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954f45ba | 1 | #! /usr/bin/env perl |
da1c088f | 2 | # Copyright 2020-2023 The OpenSSL Project Authors. All Rights Reserved. |
954f45ba X |
3 | # |
4 | # Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | # this file except in compliance with the License. You can obtain a copy | |
6 | # in the file LICENSE in the source distribution or at | |
7 | # https://www.openssl.org/source/license.html | |
8 | ||
9 | # | |
10 | #======================================================================== | |
11 | # Written by Xiaokang Qian <xiaokang.qian@arm.com> for the OpenSSL project, | |
12 | # derived from https://github.com/ARM-software/AArch64cryptolib, original | |
13 | # author Samuel Lee <Samuel.Lee@arm.com>. The module is, however, dual | |
14 | # licensed under OpenSSL and SPDX BSD-3-Clause licenses depending on where you | |
15 | # obtain it. | |
16 | #======================================================================== | |
17 | # | |
18 | # Approach - We want to reload constants as we have plenty of spare ASIMD slots around crypto units for loading | |
19 | # Unroll x8 in main loop, main loop to act on 8 16B blocks per iteration, and then do modulo of the accumulated | |
20 | # intermediate hashesfrom the 8 blocks. | |
21 | # | |
22 | # ____________________________________________________ | |
23 | # | | | |
24 | # | PRE | | |
25 | # |____________________________________________________| | |
26 | # | | | | | |
27 | # | CTR block 8k+13| AES block 8k+8 | GHASH block 8k+0 | | |
28 | # |________________|________________|__________________| | |
29 | # | | | | | |
30 | # | CTR block 8k+14| AES block 8k+9 | GHASH block 8k+1 | | |
31 | # |________________|________________|__________________| | |
32 | # | | | | | |
33 | # | CTR block 8k+15| AES block 8k+10| GHASH block 8k+2 | | |
34 | # |________________|________________|__________________| | |
35 | # | | | | | |
36 | # | CTR block 8k+16| AES block 8k+11| GHASH block 8k+3 | | |
37 | # |________________|________________|__________________| | |
38 | # | | | | | |
39 | # | CTR block 8k+17| AES block 8k+12| GHASH block 8k+4 | | |
40 | # |________________|________________|__________________| | |
41 | # | | | | | |
42 | # | CTR block 8k+18| AES block 8k+13| GHASH block 8k+5 | | |
43 | # |________________|________________|__________________| | |
44 | # | | | | | |
45 | # | CTR block 8k+19| AES block 8k+14| GHASH block 8k+6 | | |
46 | # |________________|________________|__________________| | |
47 | # | | | | | |
48 | # | CTR block 8k+20| AES block 8k+15| GHASH block 8k+7 | | |
49 | # |________________|____(mostly)____|__________________| | |
50 | # | | | |
51 | # | MODULO | | |
52 | # |____________________________________________________| | |
53 | # | |
54 | # PRE: | |
55 | # Ensure previous generated intermediate hash is aligned and merged with result for GHASH 4k+0 | |
56 | # EXT low_acc, low_acc, low_acc, #8 | |
57 | # EOR res_curr (8k+0), res_curr (4k+0), low_acc | |
58 | # | |
59 | # CTR block: | |
60 | # Increment and byte reverse counter in scalar registers and transfer to SIMD registers | |
61 | # REV ctr32, rev_ctr32 | |
62 | # ORR ctr64, constctr96_top32, ctr32, LSL #32 | |
63 | # INS ctr_next.d[0], constctr96_bottom64 // Keeping this in scalar registers to free up space in SIMD RF | |
64 | # INS ctr_next.d[1], ctr64X | |
65 | # ADD rev_ctr32, #1 | |
66 | # | |
67 | # AES block: | |
68 | # Do AES encryption/decryption on CTR block X and EOR it with input block X. Take 256 bytes key below for example. | |
69 | # Doing small trick here of loading input in scalar registers, EORing with last key and then transferring | |
70 | # Given we are very constrained in our ASIMD registers this is quite important | |
71 | # | |
72 | # Encrypt: | |
73 | # LDR input_low, [ input_ptr ], #8 | |
74 | # LDR input_high, [ input_ptr ], #8 | |
75 | # EOR input_low, k14_low | |
76 | # EOR input_high, k14_high | |
77 | # INS res_curr.d[0], input_low | |
78 | # INS res_curr.d[1], input_high | |
79 | # AESE ctr_curr, k0; AESMC ctr_curr, ctr_curr | |
80 | # AESE ctr_curr, k1; AESMC ctr_curr, ctr_curr | |
81 | # AESE ctr_curr, k2; AESMC ctr_curr, ctr_curr | |
82 | # AESE ctr_curr, k3; AESMC ctr_curr, ctr_curr | |
83 | # AESE ctr_curr, k4; AESMC ctr_curr, ctr_curr | |
84 | # AESE ctr_curr, k5; AESMC ctr_curr, ctr_curr | |
85 | # AESE ctr_curr, k6; AESMC ctr_curr, ctr_curr | |
86 | # AESE ctr_curr, k7; AESMC ctr_curr, ctr_curr | |
87 | # AESE ctr_curr, k8; AESMC ctr_curr, ctr_curr | |
88 | # AESE ctr_curr, k9; AESMC ctr_curr, ctr_curr | |
89 | # AESE ctr_curr, k10; AESMC ctr_curr, ctr_curr | |
90 | # AESE ctr_curr, k11; AESMC ctr_curr, ctr_curr | |
91 | # AESE ctr_curr, k12; AESMC ctr_curr, ctr_curr | |
92 | # AESE ctr_curr, k13 | |
93 | # EOR res_curr, res_curr, ctr_curr | |
94 | # ST1 { res_curr.16b }, [ output_ptr ], #16 | |
95 | # | |
96 | # Decrypt: | |
97 | # AESE ctr_curr, k0; AESMC ctr_curr, ctr_curr | |
98 | # AESE ctr_curr, k1; AESMC ctr_curr, ctr_curr | |
99 | # AESE ctr_curr, k2; AESMC ctr_curr, ctr_curr | |
100 | # AESE ctr_curr, k3; AESMC ctr_curr, ctr_curr | |
101 | # AESE ctr_curr, k4; AESMC ctr_curr, ctr_curr | |
102 | # AESE ctr_curr, k5; AESMC ctr_curr, ctr_curr | |
103 | # AESE ctr_curr, k6; AESMC ctr_curr, ctr_curr | |
104 | # AESE ctr_curr, k7; AESMC ctr_curr, ctr_curr | |
105 | # AESE ctr_curr, k8; AESMC ctr_curr, ctr_curr | |
106 | # AESE ctr_curr, k9; AESMC ctr_curr, ctr_curr | |
107 | # AESE ctr_curr, k10; AESMC ctr_curr, ctr_curr | |
108 | # AESE ctr_curr, k11; AESMC ctr_curr, ctr_curr | |
109 | # AESE ctr_curr, k12; AESMC ctr_curr, ctr_curr | |
110 | # AESE ctr_curr, k13 | |
111 | # LDR res_curr, [ input_ptr ], #16 | |
112 | # EOR res_curr, res_curr, ctr_curr | |
113 | # MOV output_low, res_curr.d[0] | |
114 | # MOV output_high, res_curr.d[1] | |
115 | # EOR output_low, k14_low | |
116 | # EOR output_high, k14_high | |
117 | # STP output_low, output_high, [ output_ptr ], #16 | |
118 | ||
119 | # GHASH block X: | |
120 | # Do 128b karatsuba polynomial multiplication on block | |
121 | # We only have 64b->128b polynomial multipliers, naively that means we need to do 4 64b multiplies to generate a 128b | |
122 | # | |
123 | # multiplication: | |
124 | # Pmull(A,B) == (Pmull(Ah,Bh)<<128 | Pmull(Al,Bl)) ^ (Pmull(Ah,Bl) ^ Pmull(Al,Bh))<<64 | |
125 | # | |
126 | # The idea behind Karatsuba multiplication is that we can do just 3 64b multiplies: | |
127 | # Pmull(A,B) == (Pmull(Ah,Bh)<<128 | Pmull(Al,Bl)) ^ (Pmull(Ah^Al,Bh^Bl) ^ Pmull(Ah,Bh) ^ Pmull(Al,Bl))<<64 | |
128 | # | |
129 | # There is some complication here because the bit order of GHASH's PMULL is reversed compared to elsewhere, so we are | |
130 | # multiplying with "twisted" powers of H | |
131 | # | |
132 | # Note: We can PMULL directly into the acc_x in first GHASH of the loop | |
133 | # Note: For scheduling big cores we want to split the processing to happen over two loop iterations - otherwise the critical | |
134 | # path latency dominates the performance | |
135 | # | |
136 | # This has a knock on effect on register pressure, so we have to be a bit more clever with our temporary registers | |
137 | # than indicated here | |
138 | # REV64 res_curr, res_curr | |
139 | # INS t_m.d[0], res_curr.d[1] | |
140 | # EOR t_m.8B, t_m.8B, res_curr.8B | |
141 | # PMULL2 t_h, res_curr, HX | |
142 | # PMULL t_l, res_curr, HX | |
143 | # PMULL t_m, t_m, HX_k | |
144 | # EOR acc_h, acc_h, t_h | |
145 | # EOR acc_l, acc_l, t_l | |
146 | # EOR acc_m, acc_m, t_m | |
147 | # | |
148 | # MODULO: take the partial accumulators (~representing sum of 256b multiplication results), from GHASH and do modulo reduction on them | |
149 | # There is some complication here because the bit order of GHASH's PMULL is reversed compared to elsewhere, so we are doing modulo | |
150 | # with a reversed constant | |
151 | # EOR3 acc_m, acc_m, acc_l, acc_h // Finish off karatsuba processing | |
152 | # PMULL t_mod, acc_h, mod_constant | |
153 | # EXT acc_h, acc_h, acc_h, #8 | |
154 | # EOR3 acc_m, acc_m, t_mod, acc_h | |
155 | # PMULL acc_h, acc_m, mod_constant | |
156 | # EXT acc_m, acc_m, acc_m, #8 | |
157 | # EOR3 acc_l, acc_l, acc_m, acc_h | |
158 | ||
159 | $output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef; | |
160 | $flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef; | |
161 | ||
162 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; | |
163 | ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or | |
164 | ( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate ) or | |
165 | die "can't locate arm-xlate.pl"; | |
166 | ||
167 | die "only for 64 bit" if $flavour !~ /64/; | |
168 | ||
169 | open OUT,"| \"$^X\" $xlate $flavour $output"; | |
170 | *STDOUT=*OUT; | |
171 | ||
172 | $code=<<___; | |
173 | #include "arm_arch.h" | |
174 | ||
175 | #if __ARM_MAX_ARCH__>=8 | |
176 | ___ | |
09bd0d05 | 177 | $code.=".arch armv8-a+crypto\n.text\n"; |
954f45ba X |
178 | |
179 | $input_ptr="x0"; #argument block | |
180 | $bit_length="x1"; | |
4596c20b | 181 | $byte_length="x9"; |
954f45ba X |
182 | $output_ptr="x2"; |
183 | $current_tag="x3"; | |
184 | $counter="x16"; | |
185 | $constant_temp="x15"; | |
186 | $modulo_constant="x10"; | |
187 | $cc="x8"; | |
188 | { | |
189 | my ($end_input_ptr,$main_end_input_ptr,$temp0_x,$temp1_x)=map("x$_",(4..7)); | |
190 | my ($temp2_x,$temp3_x)=map("x$_",(13..14)); | |
191 | my ($ctr0b,$ctr1b,$ctr2b,$ctr3b,$ctr4b,$ctr5b,$ctr6b,$ctr7b,$res0b,$res1b,$res2b,$res3b,$res4b,$res5b,$res6b,$res7b)=map("v$_.16b",(0..15)); | |
192 | my ($ctr0,$ctr1,$ctr2,$ctr3,$ctr4,$ctr5,$ctr6,$ctr7,$res0,$res1,$res2,$res3,$res4,$res5,$res6,$res7)=map("v$_",(0..15)); | |
193 | my ($ctr0d,$ctr1d,$ctr2d,$ctr3d,$ctr4d,$ctr5d,$ctr6d,$ctr7d)=map("d$_",(0..7)); | |
194 | my ($ctr0q,$ctr1q,$ctr2q,$ctr3q,$ctr4q,$ctr5q,$ctr6q,$ctr7q)=map("q$_",(0..7)); | |
195 | my ($res0q,$res1q,$res2q,$res3q,$res4q,$res5q,$res6q,$res7q)=map("q$_",(8..15)); | |
196 | ||
197 | my ($ctr_t0,$ctr_t1,$ctr_t2,$ctr_t3,$ctr_t4,$ctr_t5,$ctr_t6,$ctr_t7)=map("v$_",(8..15)); | |
198 | my ($ctr_t0b,$ctr_t1b,$ctr_t2b,$ctr_t3b,$ctr_t4b,$ctr_t5b,$ctr_t6b,$ctr_t7b)=map("v$_.16b",(8..15)); | |
199 | my ($ctr_t0q,$ctr_t1q,$ctr_t2q,$ctr_t3q,$ctr_t4q,$ctr_t5q,$ctr_t6q,$ctr_t7q)=map("q$_",(8..15)); | |
200 | ||
201 | my ($acc_hb,$acc_mb,$acc_lb)=map("v$_.16b",(17..19)); | |
202 | my ($acc_h,$acc_m,$acc_l)=map("v$_",(17..19)); | |
203 | ||
204 | my ($h1,$h12k,$h2,$h3,$h34k,$h4)=map("v$_",(20..25)); | |
205 | my ($h5,$h56k,$h6,$h7,$h78k,$h8)=map("v$_",(20..25)); | |
206 | my ($h1q,$h12kq,$h2q,$h3q,$h34kq,$h4q)=map("q$_",(20..25)); | |
207 | my ($h5q,$h56kq,$h6q,$h7q,$h78kq,$h8q)=map("q$_",(20..25)); | |
208 | ||
209 | my $t0="v16"; | |
210 | my $t0d="d16"; | |
211 | ||
212 | my $t1="v29"; | |
213 | my $t2=$res1; | |
214 | my $t3=$t1; | |
215 | ||
216 | my $t4=$res0; | |
217 | my $t5=$res2; | |
218 | my $t6=$t0; | |
219 | ||
220 | my $t7=$res3; | |
221 | my $t8=$res4; | |
222 | my $t9=$res5; | |
223 | ||
224 | my $t10=$res6; | |
225 | my $t11="v21"; | |
226 | my $t12=$t1; | |
227 | ||
228 | my $rtmp_ctr="v30"; | |
229 | my $rtmp_ctrq="q30"; | |
230 | my $rctr_inc="v31"; | |
231 | my $rctr_incd="d31"; | |
232 | ||
233 | my $mod_constantd=$t0d; | |
234 | my $mod_constant=$t0; | |
235 | ||
236 | my ($rk0,$rk1,$rk2)=map("v$_.16b",(26..28)); | |
237 | my ($rk3,$rk4,$rk5)=map("v$_.16b",(26..28)); | |
238 | my ($rk6,$rk7,$rk8)=map("v$_.16b",(26..28)); | |
239 | my ($rk9,$rk10,$rk11)=map("v$_.16b",(26..28)); | |
240 | my ($rk12,$rk13,$rk14)=map("v$_.16b",(26..28)); | |
241 | my ($rk0q,$rk1q,$rk2q)=map("q$_",(26..28)); | |
242 | my ($rk3q,$rk4q,$rk5q)=map("q$_",(26..28)); | |
243 | my ($rk6q,$rk7q,$rk8q)=map("q$_",(26..28)); | |
244 | my ($rk9q,$rk10q,$rk11q)=map("q$_",(26..28)); | |
245 | my ($rk12q,$rk13q,$rk14q)=map("q$_",(26..28)); | |
246 | my $rk2q1="v28.1q"; | |
247 | my $rk3q1="v26.1q"; | |
248 | my $rk4v="v27"; | |
249 | ||
250 | ||
251 | ######################################################################################### | |
6c0ecc2b | 252 | # size_t unroll8_eor3_aes_gcm_enc_128_kernel(const uint8_t * plaintext, |
253 | # uint64_t plaintext_length, | |
254 | # uint8_t * ciphertext, | |
255 | # uint64_t *Xi, | |
256 | # unsigned char ivec[16], | |
257 | # const void *key); | |
954f45ba X |
258 | # |
259 | $code.=<<___; | |
260 | .global unroll8_eor3_aes_gcm_enc_128_kernel | |
261 | .type unroll8_eor3_aes_gcm_enc_128_kernel,%function | |
262 | .align 4 | |
263 | unroll8_eor3_aes_gcm_enc_128_kernel: | |
264 | AARCH64_VALID_CALL_TARGET | |
265 | cbz x1, .L128_enc_ret | |
266 | stp d8, d9, [sp, #-80]! | |
4596c20b | 267 | lsr $byte_length, $bit_length, #3 |
954f45ba X |
268 | mov $counter, x4 |
269 | mov $cc, x5 | |
270 | stp d10, d11, [sp, #16] | |
271 | stp d12, d13, [sp, #32] | |
272 | stp d14, d15, [sp, #48] | |
273 | mov x5, #0xc200000000000000 | |
274 | stp x5, xzr, [sp, #64] | |
275 | add $modulo_constant, sp, #64 | |
276 | ||
277 | mov $constant_temp, #0x100000000 @ set up counter increment | |
278 | movi $rctr_inc.16b, #0x0 | |
279 | mov $rctr_inc.d[1], $constant_temp | |
4596c20b | 280 | mov $main_end_input_ptr, $byte_length |
954f45ba X |
281 | ld1 { $ctr0b}, [$counter] @ CTR block 0 |
282 | ||
283 | sub $main_end_input_ptr, $main_end_input_ptr, #1 @ byte_len - 1 | |
284 | ||
285 | and $main_end_input_ptr, $main_end_input_ptr, #0xffffffffffffff80 @ number of bytes to be processed in main loop (at least 1 byte must be handled by tail) | |
286 | ||
287 | rev32 $rtmp_ctr.16b, $ctr0.16b @ set up reversed counter | |
288 | ||
289 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 0 | |
290 | ||
291 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 1 | |
292 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 1 | |
293 | ||
294 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 2 | |
295 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 2 | |
296 | ||
297 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 3 | |
298 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 3 | |
299 | ||
300 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 4 | |
301 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 4 | |
302 | ||
303 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 5 | |
304 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 5 | |
305 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
306 | ||
307 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 6 | |
308 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 6 | |
309 | ||
310 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 7 | |
311 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 7 | |
312 | ||
313 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 0 | |
314 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 0 | |
315 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 0 | |
316 | ||
317 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 0 | |
318 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 0 | |
319 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 0 | |
320 | ||
321 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 0 | |
322 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 0 | |
323 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
324 | ||
325 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 1 | |
326 | ||
327 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 1 | |
328 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 1 | |
329 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 1 | |
330 | ||
331 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 1 | |
332 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 1 | |
333 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 1 | |
334 | ||
335 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 2 | |
336 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 1 | |
337 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 2 | |
338 | ||
339 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 2 | |
340 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 2 | |
341 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 2 | |
342 | ||
343 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 2 | |
344 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 2 | |
345 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 2 | |
346 | ||
347 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 3 | |
348 | ||
349 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
350 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 3 | |
351 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 3 | |
352 | ||
353 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 3 | |
354 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 3 | |
355 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 3 | |
356 | ||
357 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 3 | |
358 | ||
359 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 4 | |
360 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 3 | |
361 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 4 | |
362 | ||
363 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 4 | |
364 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 4 | |
365 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 4 | |
366 | ||
367 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 4 | |
368 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 4 | |
369 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 4 | |
370 | ||
371 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 5 | |
372 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 5 | |
373 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
374 | ||
375 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 5 | |
376 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 5 | |
377 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 5 | |
378 | ||
379 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 5 | |
380 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 5 | |
381 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 5 | |
382 | ||
383 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 6 | |
384 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 6 | |
385 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 6 | |
386 | ||
387 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 6 | |
388 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 6 | |
389 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 6 | |
390 | ||
391 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 6 | |
392 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 6 | |
393 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
394 | ||
395 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 7 | |
396 | ||
397 | ld1 { $acc_lb}, [$current_tag] | |
398 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
399 | rev64 $acc_lb, $acc_lb | |
400 | ||
401 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 7 | |
402 | ||
403 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 7 | |
404 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 7 | |
405 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 7 | |
406 | ||
407 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 7 | |
408 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 7 | |
409 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 7 | |
410 | ||
411 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
412 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
413 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
414 | ||
415 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
416 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
417 | ldr $rk10q, [$cc, #160] @ load rk10 | |
418 | ||
419 | aese $ctr3b, $rk9 @ AES block 8k+11 - round 9 | |
420 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
421 | aese $ctr2b, $rk9 @ AES block 8k+10 - round 9 | |
422 | ||
423 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
424 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
425 | aese $ctr6b, $rk9 @ AES block 8k+14 - round 9 | |
426 | ||
427 | aese $ctr4b, $rk9 @ AES block 8k+12 - round 9 | |
428 | add $main_end_input_ptr, $main_end_input_ptr, $input_ptr | |
429 | aese $ctr0b, $rk9 @ AES block 8k+8 - round 9 | |
430 | ||
431 | aese $ctr7b, $rk9 @ AES block 8k+15 - round 9 | |
432 | aese $ctr5b, $rk9 @ AES block 8k+13 - round 9 | |
433 | aese $ctr1b, $rk9 @ AES block 8k+9 - round 9 | |
434 | ||
435 | add $end_input_ptr, $input_ptr, $bit_length, lsr #3 @ end_input_ptr | |
436 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
437 | b.ge .L128_enc_tail @ handle tail | |
438 | ||
439 | ldp $ctr_t0q, $ctr_t1q, [$input_ptr], #32 @ AES block 0, 1 - load plaintext | |
440 | ||
441 | ldp $ctr_t2q, $ctr_t3q, [$input_ptr], #32 @ AES block 2, 3 - load plaintext | |
442 | ||
443 | ldp $ctr_t4q, $ctr_t5q, [$input_ptr], #32 @ AES block 4, 5 - load plaintext | |
444 | ||
445 | ldp $ctr_t6q, $ctr_t7q, [$input_ptr], #32 @ AES block 6, 7 - load plaintext | |
446 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
447 | ||
448 | eor3 $res0b, $ctr_t0b, $ctr0b, $rk10 @ AES block 0 - result | |
449 | rev32 $ctr0.16b, $rtmp_ctr.16b @ CTR block 8 | |
450 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8 | |
451 | ||
452 | eor3 $res1b, $ctr_t1b, $ctr1b, $rk10 @ AES block 1 - result | |
453 | stp $res0q, $res1q, [$output_ptr], #32 @ AES block 0, 1 - store result | |
454 | ||
455 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 9 | |
456 | eor3 $res5b, $ctr_t5b, $ctr5b, $rk10 @ AES block 5 - result | |
457 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 9 | |
458 | ||
459 | eor3 $res2b, $ctr_t2b, $ctr2b, $rk10 @ AES block 2 - result | |
460 | eor3 $res6b, $ctr_t6b, $ctr6b, $rk10 @ AES block 6 - result | |
461 | eor3 $res4b, $ctr_t4b, $ctr4b, $rk10 @ AES block 4 - result | |
462 | ||
463 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 10 | |
464 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 10 | |
465 | ||
466 | eor3 $res3b, $ctr_t3b, $ctr3b, $rk10 @ AES block 3 - result | |
467 | eor3 $res7b, $ctr_t7b, $ctr7b,$rk10 @ AES block 7 - result | |
468 | stp $res2q, $res3q, [$output_ptr], #32 @ AES block 2, 3 - store result | |
469 | ||
470 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 11 | |
471 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 11 | |
472 | stp $res4q, $res5q, [$output_ptr], #32 @ AES block 4, 5 - store result | |
473 | ||
474 | stp $res6q, $res7q, [$output_ptr], #32 @ AES block 6, 7 - store result | |
475 | ||
476 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 12 | |
477 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 12 | |
478 | b.ge .L128_enc_prepretail @ do prepretail | |
479 | ||
480 | .L128_enc_main_loop: @ main loop start | |
481 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
482 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
483 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
484 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
485 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
486 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
487 | ||
488 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
489 | rev64 $res0b, $res0b @ GHASH block 8k | |
490 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
491 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
492 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
493 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
494 | ||
495 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
496 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
497 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
498 | ||
499 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
500 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
501 | rev64 $res5b, $res5b @ GHASH block 8k+5 (t0, t1, t2 and t3 free) | |
502 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
503 | ||
504 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
505 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
506 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
507 | ||
508 | rev64 $res7b, $res7b @ GHASH block 8k+7 (t0, t1, t2 and t3 free) | |
509 | ||
510 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
511 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
512 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
513 | ||
514 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
515 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
516 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
517 | ||
518 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
519 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
520 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
521 | ||
522 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
523 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
524 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
525 | ldr $h4q, [$current_tag, #112] @ load h3l | h3h | |
526 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
527 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
528 | ||
529 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
530 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
531 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
532 | ||
533 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
534 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
535 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
536 | ||
537 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
538 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
539 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
540 | ||
541 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
542 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
543 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
544 | ||
545 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
546 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
547 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
548 | ||
549 | eor3 $acc_hb, $acc_hb, $t1.16b,$t2.16b @ GHASH block 8k+2, 8k+3 - high | |
550 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
551 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
552 | ||
553 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
554 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
555 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
556 | ||
557 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
558 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
559 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
560 | ||
561 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
562 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
563 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
564 | ||
565 | rev64 $res6b, $res6b @ GHASH block 8k+6 (t0, t1, and t2 free) | |
566 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
567 | ||
568 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
569 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
570 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
571 | ||
572 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
573 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
574 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
575 | ||
576 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
577 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
578 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
579 | ||
580 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
581 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
582 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
583 | ||
584 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
585 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
586 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
587 | rev64 $res4b, $res4b @ GHASH block 8k+4 (t0, t1, and t2 free) | |
588 | ||
589 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
590 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
591 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
592 | ||
593 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
594 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
595 | ldr $h2q, [$current_tag, #64] @ load h1l | h1h | |
596 | ext $h2.16b, $h2.16b, $h2.16b, #8 | |
597 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
598 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
599 | ||
600 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
601 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
602 | ||
603 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
604 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
605 | ||
606 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
607 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
608 | ||
609 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
610 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
611 | ||
612 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
613 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
614 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
615 | ||
616 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
617 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
618 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
619 | ||
620 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
621 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
622 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
623 | ||
624 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
625 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
626 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
627 | ||
628 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
629 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
630 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
631 | ||
632 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
633 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
634 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
635 | ||
636 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
637 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
638 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
639 | ||
640 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
641 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
642 | ||
643 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
644 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
645 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
646 | ||
647 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
648 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
649 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
650 | ||
651 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
652 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
653 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
654 | ||
655 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
656 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
657 | ||
658 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
659 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
660 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
661 | ||
662 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
663 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
664 | ldp $ctr_t0q, $ctr_t1q, [$input_ptr], #32 @ AES block 8k+8, 8k+9 - load plaintext | |
665 | ||
666 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
667 | rev32 $h1.16b, $rtmp_ctr.16b @ CTR block 8k+16 | |
668 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+16 | |
669 | ||
670 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
671 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
672 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
673 | ||
674 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
675 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
676 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
677 | ||
678 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
679 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
680 | ldp $ctr_t2q, $ctr_t3q, [$input_ptr], #32 @ AES block 8k+10, 8k+11 - load plaintext | |
681 | ||
682 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
683 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
684 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
685 | ||
686 | pmull $t11.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
687 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
688 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
689 | ||
690 | rev32 $h2.16b, $rtmp_ctr.16b @ CTR block 8k+17 | |
691 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
692 | ||
693 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
694 | ldp $ctr_t4q, $ctr_t5q, [$input_ptr], #32 @ AES block 8k+12, 8k+13 - load plaintext | |
695 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+17 | |
696 | ||
697 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
698 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
699 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
700 | ||
701 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
702 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
703 | ldr $rk10q, [$cc, #160] @ load rk10 | |
704 | ||
705 | ext $t12.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
706 | rev32 $h3.16b, $rtmp_ctr.16b @ CTR block 8k+18 | |
707 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+18 | |
708 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
709 | ||
710 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
711 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
712 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
713 | ||
714 | aese $ctr2b, $rk9 @ AES block 8k+10 - round 9 | |
715 | aese $ctr4b, $rk9 @ AES block 8k+12 - round 9 | |
716 | aese $ctr1b, $rk9 @ AES block 8k+9 - round 9 | |
717 | ||
718 | ldp $ctr_t6q, $ctr_t7q, [$input_ptr], #32 @ AES block 8k+14, 8k+15 - load plaintext | |
719 | rev32 $h4.16b, $rtmp_ctr.16b @ CTR block 8k+19 | |
720 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+19 | |
721 | ||
722 | cmp $input_ptr, $main_end_input_ptr @ LOOP CONTROL | |
723 | eor3 $res4b, $ctr_t4b, $ctr4b, $rk10 @ AES block 4 - result | |
724 | aese $ctr7b, $rk9 @ AES block 8k+15 - round 9 | |
725 | ||
726 | aese $ctr6b, $rk9 @ AES block 8k+14 - round 9 | |
727 | aese $ctr3b, $rk9 @ AES block 8k+11 - round 9 | |
728 | ||
729 | eor3 $res2b, $ctr_t2b, $ctr2b, $rk10 @ AES block 8k+10 - result | |
730 | ||
731 | mov $ctr2.16b, $h3.16b @ CTR block 8k+18 | |
732 | aese $ctr0b, $rk9 @ AES block 8k+8 - round 9 | |
733 | ||
734 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 8k+20 | |
735 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+20 | |
736 | ||
737 | eor3 $res7b, $ctr_t7b, $ctr7b, $rk10 @ AES block 7 - result | |
738 | aese $ctr5b, $rk9 @ AES block 8k+13 - round 9 | |
739 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
740 | ||
741 | eor3 $res1b, $ctr_t1b, $ctr1b, $rk10 @ AES block 8k+9 - result | |
742 | eor3 $res3b, $ctr_t3b, $ctr3b, $rk10 @ AES block 8k+11 - result | |
743 | mov $ctr3.16b, $h4.16b @ CTR block 8k+19 | |
744 | ||
745 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
746 | eor3 $res5b, $ctr_t5b, $ctr5b, $rk10 @ AES block 5 - result | |
747 | mov $ctr1.16b, $h2.16b @ CTR block 8k+17 | |
748 | ||
749 | eor3 $res0b, $ctr_t0b, $ctr0b, $rk10 @ AES block 8k+8 - result | |
750 | mov $ctr0.16b, $h1.16b @ CTR block 8k+16 | |
751 | stp $res0q, $res1q, [$output_ptr], #32 @ AES block 8k+8, 8k+9 - store result | |
752 | ||
753 | stp $res2q, $res3q, [$output_ptr], #32 @ AES block 8k+10, 8k+11 - store result | |
754 | eor3 $res6b, $ctr_t6b, $ctr6b, $rk10 @ AES block 6 - result | |
755 | ||
756 | stp $res4q, $res5q, [$output_ptr], #32 @ AES block 8k+12, 8k+13 - store result | |
757 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
758 | ||
759 | stp $res6q, $res7q, [$output_ptr], #32 @ AES block 8k+14, 8k+15 - store result | |
760 | b.lt .L128_enc_main_loop | |
761 | ||
762 | .L128_enc_prepretail: @ PREPRETAIL | |
763 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
764 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
765 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
766 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
767 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
768 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
769 | ||
770 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
771 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
772 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
773 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
774 | rev64 $res0b, $res0b @ GHASH block 8k | |
775 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
776 | ||
777 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
778 | ldr $h78kq, [$current_tag, #192] @ load h6k | h5k | |
779 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
780 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
781 | ||
782 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
783 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
784 | ||
785 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
786 | ||
787 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
788 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
789 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
790 | ||
791 | rev64 $res5b, $res5b @ GHASH block 8k+5 (t0, t1, t2 and t3 free) | |
792 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
793 | ||
794 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
795 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
796 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
797 | ||
798 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
799 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
800 | ||
801 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
802 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
803 | ||
804 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
805 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
806 | ||
807 | rev64 $res4b, $res4b @ GHASH block 8k+4 (t0, t1, and t2 free) | |
808 | rev64 $res7b, $res7b @ GHASH block 8k+7 (t0, t1, t2 and t3 free) | |
809 | ||
810 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
811 | ||
812 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
813 | ||
814 | rev64 $res6b, $res6b @ GHASH block 8k+6 (t0, t1, and t2 free) | |
815 | ||
816 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
817 | ||
818 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
819 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
820 | ||
821 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
822 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
823 | ||
824 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
825 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
826 | ||
827 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
828 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
829 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
830 | ||
831 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
832 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
833 | ||
834 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
835 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
836 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
837 | ||
838 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
839 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
840 | ||
841 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
842 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
843 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
844 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
845 | ||
846 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
847 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
848 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
849 | ||
850 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
851 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
852 | ||
853 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
854 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
855 | ||
856 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
857 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
858 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
859 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
860 | ||
861 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
862 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
863 | ||
864 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
865 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
866 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
867 | ||
868 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
869 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
870 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
871 | ||
872 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
873 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
874 | ||
875 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
876 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
877 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
878 | ||
879 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
880 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
881 | ldr $h2q, [$current_tag, #64] @ load h1l | h1h | |
882 | ext $h2.16b, $h2.16b, $h2.16b, #8 | |
883 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
884 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
885 | ||
886 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
887 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
888 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
889 | ||
890 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
891 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
892 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
893 | ||
894 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
895 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
896 | ||
897 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
898 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
899 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
900 | ||
901 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
902 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
903 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
904 | ||
905 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
906 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
907 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
908 | ||
909 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
910 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
911 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
912 | ||
913 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
914 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
915 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
916 | ||
917 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
918 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
919 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
920 | ||
921 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
922 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
923 | ||
924 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
925 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
926 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
927 | ||
928 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
929 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
930 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
931 | ||
932 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
933 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
934 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
935 | ||
936 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
937 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
938 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
939 | ||
940 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
941 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
942 | ||
943 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
944 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
945 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
946 | ||
947 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
948 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
949 | ||
950 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
951 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
952 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
953 | ||
954 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
955 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
956 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
957 | ||
958 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
959 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
960 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
961 | ||
962 | pmull $t11.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
963 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
964 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
965 | ||
966 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
967 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
968 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
969 | ext $t12.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
970 | ||
971 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
972 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
973 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
974 | ||
975 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
976 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
977 | ||
978 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
979 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
980 | ||
981 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
982 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
983 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
984 | ext $acc_mb, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
985 | ||
986 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
987 | eor3 $acc_lb, $acc_lb, $acc_hb, $acc_mb @ MODULO - fold into low | |
988 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
989 | ||
990 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
991 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
992 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
993 | ||
994 | ldr $rk10q, [$cc, #160] @ load rk10 | |
995 | aese $ctr6b, $rk9 @ AES block 8k+14 - round 9 | |
996 | aese $ctr2b, $rk9 @ AES block 8k+10 - round 9 | |
997 | ||
998 | aese $ctr0b, $rk9 @ AES block 8k+8 - round 9 | |
999 | aese $ctr1b, $rk9 @ AES block 8k+9 - round 9 | |
1000 | ||
1001 | aese $ctr3b, $rk9 @ AES block 8k+11 - round 9 | |
1002 | aese $ctr5b, $rk9 @ AES block 8k+13 - round 9 | |
1003 | ||
1004 | aese $ctr4b, $rk9 @ AES block 8k+12 - round 9 | |
1005 | aese $ctr7b, $rk9 @ AES block 8k+15 - round 9 | |
1006 | .L128_enc_tail: @ TAIL | |
1007 | ||
1008 | sub $main_end_input_ptr, $end_input_ptr, $input_ptr @ main_end_input_ptr is number of bytes left to process | |
1009 | ldr $ctr_t0q, [$input_ptr], #16 @ AES block 8k+8 - load plaintext | |
1010 | ||
1011 | mov $t1.16b, $rk10 | |
1012 | ldp $h5q, $h56kq, [$current_tag, #128] @ load h5l | h5h | |
1013 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
1014 | ||
1015 | eor3 $res1b, $ctr_t0b, $ctr0b, $t1.16b @ AES block 8k+8 - result | |
1016 | ext $t0.16b, $acc_lb, $acc_lb, #8 @ prepare final partial tag | |
3b5b9199 | 1017 | ldp $h6q, $h7q, [$current_tag, #160] @ load h6l | h6h |
954f45ba X |
1018 | ext $h6.16b, $h6.16b, $h6.16b, #8 |
1019 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
1020 | ||
3b5b9199 | 1021 | ldp $h78kq, $h8q, [$current_tag, #192] @ load h8k | h7k |
954f45ba X |
1022 | ext $h8.16b, $h8.16b, $h8.16b, #8 |
1023 | cmp $main_end_input_ptr, #112 | |
1024 | b.gt .L128_enc_blocks_more_than_7 | |
1025 | ||
1026 | mov $ctr7b, $ctr6b | |
1027 | mov $ctr6b, $ctr5b | |
1028 | movi $acc_h.8b, #0 | |
1029 | ||
1030 | cmp $main_end_input_ptr, #96 | |
1031 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
1032 | mov $ctr5b, $ctr4b | |
1033 | ||
1034 | mov $ctr4b, $ctr3b | |
1035 | mov $ctr3b, $ctr2b | |
1036 | mov $ctr2b, $ctr1b | |
1037 | ||
1038 | movi $acc_l.8b, #0 | |
1039 | movi $acc_m.8b, #0 | |
1040 | b.gt .L128_enc_blocks_more_than_6 | |
1041 | ||
1042 | mov $ctr7b, $ctr6b | |
1043 | cmp $main_end_input_ptr, #80 | |
1044 | ||
1045 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
1046 | mov $ctr6b, $ctr5b | |
1047 | mov $ctr5b, $ctr4b | |
1048 | ||
1049 | mov $ctr4b, $ctr3b | |
1050 | mov $ctr3b, $ctr1b | |
1051 | b.gt .L128_enc_blocks_more_than_5 | |
1052 | ||
1053 | cmp $main_end_input_ptr, #64 | |
1054 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
1055 | ||
1056 | mov $ctr7b, $ctr6b | |
1057 | mov $ctr6b, $ctr5b | |
1058 | ||
1059 | mov $ctr5b, $ctr4b | |
1060 | mov $ctr4b, $ctr1b | |
1061 | b.gt .L128_enc_blocks_more_than_4 | |
1062 | ||
1063 | mov $ctr7b, $ctr6b | |
1064 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
1065 | mov $ctr6b, $ctr5b | |
1066 | ||
1067 | mov $ctr5b, $ctr1b | |
1068 | cmp $main_end_input_ptr, #48 | |
1069 | b.gt .L128_enc_blocks_more_than_3 | |
1070 | ||
1071 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
1072 | mov $ctr7b, $ctr6b | |
1073 | mov $ctr6b, $ctr1b | |
1074 | ||
1075 | cmp $main_end_input_ptr, #32 | |
1076 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
1077 | b.gt .L128_enc_blocks_more_than_2 | |
1078 | ||
1079 | cmp $main_end_input_ptr, #16 | |
1080 | ||
1081 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
1082 | mov $ctr7b, $ctr1b | |
1083 | b.gt .L128_enc_blocks_more_than_1 | |
1084 | ||
1085 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
1086 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
1087 | b .L128_enc_blocks_less_than_1 | |
1088 | .L128_enc_blocks_more_than_7: @ blocks left > 7 | |
1089 | st1 { $res1b}, [$output_ptr], #16 @ AES final-7 block - store result | |
1090 | ||
1091 | rev64 $res0b, $res1b @ GHASH final-7 block | |
1092 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-6 block - load plaintext | |
1093 | ||
1094 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
1095 | ||
1096 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-7 block - mid | |
1097 | ||
1098 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH final-7 block - high | |
1099 | ||
1100 | ins $acc_m.d[0], $h78k.d[1] @ GHASH final-7 block - mid | |
1101 | ||
1102 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-7 block - mid | |
eb4129e1 | 1103 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
1104 | |
1105 | eor3 $res1b, $ctr_t1b, $ctr1b, $t1.16b @ AES final-6 block - result | |
1106 | ||
1107 | pmull $acc_m.1q, $rk4v.1d, $acc_m.1d @ GHASH final-7 block - mid | |
1108 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH final-7 block - low | |
1109 | .L128_enc_blocks_more_than_6: @ blocks left > 6 | |
1110 | ||
1111 | st1 { $res1b}, [$output_ptr], #16 @ AES final-6 block - store result | |
1112 | ||
1113 | rev64 $res0b, $res1b @ GHASH final-6 block | |
1114 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-5 block - load plaintext | |
1115 | ||
1116 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
1117 | ||
1118 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-6 block - mid | |
1119 | ||
1120 | eor3 $res1b, $ctr_t1b, $ctr2b, $t1.16b @ AES final-5 block - result | |
1121 | pmull $rk3q1, $res0.1d, $h7.1d @ GHASH final-6 block - low | |
1122 | ||
1123 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-6 block - mid | |
eb4129e1 | 1124 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
1125 | |
1126 | pmull $rk4v.1q, $rk4v.1d, $h78k.1d @ GHASH final-6 block - mid | |
1127 | pmull2 $rk2q1, $res0.2d, $h7.2d @ GHASH final-6 block - high | |
1128 | ||
1129 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-6 block - low | |
1130 | ||
1131 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-6 block - mid | |
1132 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-6 block - high | |
1133 | .L128_enc_blocks_more_than_5: @ blocks left > 5 | |
1134 | ||
1135 | st1 { $res1b}, [$output_ptr], #16 @ AES final-5 block - store result | |
1136 | ||
1137 | rev64 $res0b, $res1b @ GHASH final-5 block | |
1138 | ||
1139 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
1140 | ||
1141 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-5 block - mid | |
1142 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-4 block - load plaintext | |
1143 | pmull2 $rk2q1, $res0.2d, $h6.2d @ GHASH final-5 block - high | |
1144 | ||
1145 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-5 block - high | |
1146 | ||
1147 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-5 block - mid | |
1148 | ||
1149 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-5 block - mid | |
1150 | ||
1151 | eor3 $res1b, $ctr_t1b, $ctr3b, $t1.16b @ AES final-4 block - result | |
1152 | pmull $rk3q1, $res0.1d, $h6.1d @ GHASH final-5 block - low | |
eb4129e1 | 1153 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
1154 | |
1155 | pmull2 $rk4v.1q, $rk4v.2d, $h56k.2d @ GHASH final-5 block - mid | |
1156 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-5 block - low | |
1157 | ||
1158 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-5 block - mid | |
1159 | .L128_enc_blocks_more_than_4: @ blocks left > 4 | |
1160 | ||
1161 | st1 { $res1b}, [$output_ptr], #16 @ AES final-4 block - store result | |
1162 | ||
1163 | rev64 $res0b, $res1b @ GHASH final-4 block | |
1164 | ||
1165 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-3 block - load plaintext | |
1166 | ||
1167 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
1168 | ||
1169 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-4 block - mid | |
eb4129e1 | 1170 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
1171 | pmull2 $rk2q1, $res0.2d, $h5.2d @ GHASH final-4 block - high |
1172 | ||
1173 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-4 block - mid | |
1174 | ||
1175 | pmull $rk3q1, $res0.1d, $h5.1d @ GHASH final-4 block - low | |
1176 | ||
1177 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-4 block - high | |
1178 | pmull $rk4v.1q, $rk4v.1d, $h56k.1d @ GHASH final-4 block - mid | |
1179 | ||
1180 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-4 block - low | |
1181 | ||
1182 | eor3 $res1b, $ctr_t1b, $ctr4b, $t1.16b @ AES final-3 block - result | |
1183 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-4 block - mid | |
1184 | .L128_enc_blocks_more_than_3: @ blocks left > 3 | |
1185 | ||
1186 | st1 { $res1b}, [$output_ptr], #16 @ AES final-3 block - store result | |
1187 | ||
3b5b9199 | 1188 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h |
954f45ba X |
1189 | ext $h4.16b, $h4.16b, $h4.16b, #8 |
1190 | ||
1191 | rev64 $res0b, $res1b @ GHASH final-3 block | |
1192 | ||
1193 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
eb4129e1 | 1194 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
1195 | |
1196 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-3 block - mid | |
3b5b9199 | 1197 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k |
954f45ba X |
1198 | pmull $rk3q1, $res0.1d, $h4.1d @ GHASH final-3 block - low |
1199 | ||
1200 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-2 block - load plaintext | |
1201 | ||
1202 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-3 block - mid | |
1203 | ||
1204 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-3 block - mid | |
1205 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-3 block - low | |
1206 | ||
1207 | eor3 $res1b, $ctr_t1b, $ctr5b, $t1.16b @ AES final-2 block - result | |
1208 | ||
1209 | pmull2 $rk4v.1q, $rk4v.2d, $h34k.2d @ GHASH final-3 block - mid | |
1210 | pmull2 $rk2q1, $res0.2d, $h4.2d @ GHASH final-3 block - high | |
1211 | ||
1212 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-3 block - mid | |
1213 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-3 block - high | |
1214 | .L128_enc_blocks_more_than_2: @ blocks left > 2 | |
1215 | ||
1216 | st1 { $res1b}, [$output_ptr], #16 @ AES final-2 block - store result | |
1217 | ||
1218 | rev64 $res0b, $res1b @ GHASH final-2 block | |
1219 | ||
1220 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
1221 | ||
1222 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-1 block - load plaintext | |
1223 | ||
1224 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-2 block - mid | |
3b5b9199 | 1225 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h |
954f45ba | 1226 | ext $h3.16b, $h3.16b, $h3.16b, #8 |
eb4129e1 | 1227 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
1228 | |
1229 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-2 block - mid | |
1230 | eor3 $res1b, $ctr_t1b, $ctr6b, $t1.16b @ AES final-1 block - result | |
1231 | ||
1232 | pmull2 $rk2q1, $res0.2d, $h3.2d @ GHASH final-2 block - high | |
1233 | ||
1234 | pmull $rk3q1, $res0.1d, $h3.1d @ GHASH final-2 block - low | |
1235 | pmull $rk4v.1q, $rk4v.1d, $h34k.1d @ GHASH final-2 block - mid | |
1236 | ||
1237 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-2 block - high | |
1238 | ||
1239 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-2 block - mid | |
1240 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-2 block - low | |
1241 | .L128_enc_blocks_more_than_1: @ blocks left > 1 | |
1242 | ||
1243 | st1 { $res1b}, [$output_ptr], #16 @ AES final-1 block - store result | |
1244 | ||
3b5b9199 | 1245 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
1246 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
1247 | rev64 $res0b, $res1b @ GHASH final-1 block | |
1248 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final block - load plaintext | |
1249 | ||
1250 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
1251 | ||
eb4129e1 | 1252 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
1253 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-1 block - mid |
1254 | eor3 $res1b, $ctr_t1b, $ctr7b, $t1.16b @ AES final block - result | |
1255 | ||
1256 | pmull2 $rk2q1, $res0.2d, $h2.2d @ GHASH final-1 block - high | |
1257 | ||
1258 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-1 block - mid | |
1259 | ||
3b5b9199 | 1260 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k |
954f45ba X |
1261 | |
1262 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-1 block - mid | |
1263 | ||
1264 | pmull $rk3q1, $res0.1d, $h2.1d @ GHASH final-1 block - low | |
1265 | pmull2 $rk4v.1q, $rk4v.2d, $h12k.2d @ GHASH final-1 block - mid | |
1266 | ||
1267 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-1 block - high | |
1268 | ||
1269 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-1 block - mid | |
1270 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-1 block - low | |
1271 | .L128_enc_blocks_less_than_1: @ blocks left <= 1 | |
1272 | ||
1273 | rev32 $rtmp_ctr.16b, $rtmp_ctr.16b | |
1274 | str $rtmp_ctrq, [$counter] @ store the updated counter | |
1275 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
1276 | ||
1277 | sub $bit_length, $bit_length, #128 @ bit_length -= 128 | |
1278 | ||
1279 | neg $bit_length, $bit_length @ bit_length = 128 - #bits in input (in range [1,128]) | |
1280 | ||
1281 | mvn $temp0_x, xzr @ temp0_x = 0xffffffffffffffff | |
1282 | ld1 { $rk0}, [$output_ptr] @ load existing bytes where the possibly partial last block is to be stored | |
1283 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
1284 | ||
1285 | lsr $temp0_x, $temp0_x, $bit_length @ temp0_x is mask for top 64b of last block | |
1286 | mvn $temp1_x, xzr @ temp1_x = 0xffffffffffffffff | |
1287 | cmp $bit_length, #64 | |
1288 | ||
1289 | csel $temp2_x, $temp1_x, $temp0_x, lt | |
1290 | csel $temp3_x, $temp0_x, xzr, lt | |
1291 | ||
1292 | mov $ctr0.d[1], $temp3_x | |
1293 | mov $ctr0.d[0], $temp2_x @ ctr0b is mask for last block | |
1294 | ||
1295 | and $res1b, $res1b, $ctr0b @ possibly partial last block has zeroes in highest bits | |
1296 | ||
1297 | rev64 $res0b, $res1b @ GHASH final block | |
1298 | ||
1299 | bif $res1b, $rk0, $ctr0b @ insert existing bytes in top end of result before storing | |
1300 | st1 { $res1b}, [$output_ptr] @ store all 16B | |
1301 | ||
1302 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
1303 | ||
1304 | ins $t0.d[0], $res0.d[1] @ GHASH final block - mid | |
1305 | ||
1306 | eor $t0.8b, $t0.8b, $res0.8b @ GHASH final block - mid | |
3b5b9199 | 1307 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h |
954f45ba X |
1308 | ext $h1.16b, $h1.16b, $h1.16b, #8 |
1309 | ||
1310 | pmull $t0.1q, $t0.1d, $h12k.1d @ GHASH final block - mid | |
1311 | ||
1312 | pmull2 $rk2q1, $res0.2d, $h1.2d @ GHASH final block - high | |
1313 | eor $acc_mb, $acc_mb, $t0.16b @ GHASH final block - mid | |
1314 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
1315 | ||
1316 | pmull $rk3q1, $res0.1d, $h1.1d @ GHASH final block - low | |
1317 | ||
1318 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final block - high | |
1319 | ||
1320 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final block - low | |
1321 | ||
1322 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
1323 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
1324 | ||
1325 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
1326 | ||
1327 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
1328 | ||
1329 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
1330 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
1331 | ||
1332 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
1333 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
1334 | rev64 $acc_lb, $acc_lb | |
1335 | st1 { $acc_l.16b }, [$current_tag] | |
4596c20b | 1336 | mov x0, $byte_length |
954f45ba X |
1337 | |
1338 | ldp d10, d11, [sp, #16] | |
1339 | ldp d12, d13, [sp, #32] | |
1340 | ldp d14, d15, [sp, #48] | |
1341 | ldp d8, d9, [sp], #80 | |
1342 | ret | |
1343 | ||
1344 | .L128_enc_ret: | |
1345 | mov w0, #0x0 | |
1346 | ret | |
1347 | .size unroll8_eor3_aes_gcm_enc_128_kernel,.-unroll8_eor3_aes_gcm_enc_128_kernel | |
1348 | ___ | |
1349 | ||
1350 | ######################################################################################### | |
6c0ecc2b | 1351 | # size_t unroll8_eor3_aes_gcm_dec_128_kernel(const uint8_t * ciphertext, |
1352 | # uint64_t plaintext_length, | |
1353 | # uint8_t * plaintext, | |
1354 | # uint64_t *Xi, | |
1355 | # unsigned char ivec[16], | |
1356 | # const void *key); | |
954f45ba X |
1357 | # |
1358 | $code.=<<___; | |
1359 | .global unroll8_eor3_aes_gcm_dec_128_kernel | |
1360 | .type unroll8_eor3_aes_gcm_dec_128_kernel,%function | |
1361 | .align 4 | |
1362 | unroll8_eor3_aes_gcm_dec_128_kernel: | |
1363 | AARCH64_VALID_CALL_TARGET | |
1364 | cbz x1, .L128_dec_ret | |
1365 | stp d8, d9, [sp, #-80]! | |
4596c20b | 1366 | lsr $byte_length, $bit_length, #3 |
954f45ba X |
1367 | mov $counter, x4 |
1368 | mov $cc, x5 | |
1369 | stp d10, d11, [sp, #16] | |
1370 | stp d12, d13, [sp, #32] | |
1371 | stp d14, d15, [sp, #48] | |
1372 | mov x5, #0xc200000000000000 | |
1373 | stp x5, xzr, [sp, #64] | |
1374 | add $modulo_constant, sp, #64 | |
1375 | ||
4596c20b | 1376 | mov $main_end_input_ptr, $byte_length |
954f45ba X |
1377 | ld1 { $ctr0b}, [$counter] @ CTR block 0 |
1378 | ||
1379 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
1380 | sub $main_end_input_ptr, $main_end_input_ptr, #1 @ byte_len - 1 | |
1381 | ||
3b5b9199 | 1382 | mov $constant_temp, #0x100000000 @ set up counter increment |
954f45ba X |
1383 | movi $rctr_inc.16b, #0x0 |
1384 | mov $rctr_inc.d[1], $constant_temp | |
1385 | ld1 { $acc_lb}, [$current_tag] | |
1386 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
1387 | rev64 $acc_lb, $acc_lb | |
1388 | ||
1389 | rev32 $rtmp_ctr.16b, $ctr0.16b @ set up reversed counter | |
1390 | ||
1391 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 0 | |
1392 | ||
1393 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 0 | |
1394 | ||
1395 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 1 | |
1396 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 1 | |
1397 | ||
1398 | and $main_end_input_ptr, $main_end_input_ptr, #0xffffffffffffff80 @ number of bytes to be processed in main loop (at least 1 byte must be handled by tail) | |
1399 | ||
1400 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 2 | |
1401 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 2 | |
1402 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 0 | |
1403 | ||
1404 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 3 | |
1405 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 3 | |
1406 | ||
1407 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 1 | |
1408 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 1 | |
1409 | ||
1410 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 4 | |
1411 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 4 | |
1412 | ||
1413 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 5 | |
1414 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 5 | |
1415 | ||
1416 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 0 | |
1417 | ||
1418 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 6 | |
1419 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 6 | |
1420 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 0 | |
1421 | ||
1422 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 0 | |
1423 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 0 | |
1424 | ||
1425 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 7 | |
1426 | ||
1427 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 0 | |
1428 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 1 | |
1429 | ||
1430 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 0 | |
1431 | ||
1432 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
1433 | ||
1434 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 1 | |
1435 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 1 | |
1436 | ||
1437 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 1 | |
1438 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 1 | |
1439 | ||
1440 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 2 | |
1441 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 2 | |
1442 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 1 | |
1443 | ||
1444 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 2 | |
1445 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 2 | |
1446 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 2 | |
1447 | ||
1448 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 2 | |
1449 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 2 | |
1450 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 2 | |
1451 | ||
1452 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 3 | |
1453 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 3 | |
1454 | ||
1455 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
1456 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 3 | |
1457 | ||
1458 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 3 | |
1459 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 3 | |
1460 | ||
1461 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 3 | |
1462 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 3 | |
1463 | ||
1464 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 4 | |
1465 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 4 | |
1466 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 3 | |
1467 | ||
1468 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 4 | |
1469 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 4 | |
1470 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 4 | |
1471 | ||
1472 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 4 | |
1473 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 4 | |
1474 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 4 | |
1475 | ||
1476 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
1477 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 5 | |
1478 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 5 | |
1479 | ||
1480 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 5 | |
1481 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 5 | |
1482 | ||
1483 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 5 | |
1484 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 5 | |
1485 | ||
1486 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 5 | |
1487 | ||
1488 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 6 | |
1489 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 6 | |
1490 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 5 | |
1491 | ||
1492 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 6 | |
1493 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 6 | |
1494 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 6 | |
1495 | ||
1496 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 6 | |
1497 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 6 | |
1498 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 6 | |
1499 | ||
1500 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 7 | |
1501 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 7 | |
1502 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 7 | |
1503 | ||
1504 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 7 | |
1505 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 7 | |
1506 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
1507 | ||
1508 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 7 | |
1509 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 7 | |
1510 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 7 | |
1511 | ||
1512 | add $main_end_input_ptr, $main_end_input_ptr, $input_ptr | |
1513 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 7 | |
1514 | ||
1515 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 8 | |
1516 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 8 | |
1517 | ||
1518 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 8 | |
1519 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 8 | |
1520 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 8 | |
1521 | ||
1522 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 8 | |
1523 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 8 | |
1524 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 8 | |
1525 | ||
1526 | aese $ctr0b, $rk9 @ AES block 0 - round 9 | |
1527 | aese $ctr1b, $rk9 @ AES block 1 - round 9 | |
1528 | aese $ctr6b, $rk9 @ AES block 6 - round 9 | |
1529 | ||
1530 | ldr $rk10q, [$cc, #160] @ load rk10 | |
1531 | aese $ctr4b, $rk9 @ AES block 4 - round 9 | |
1532 | aese $ctr3b, $rk9 @ AES block 3 - round 9 | |
1533 | ||
1534 | aese $ctr2b, $rk9 @ AES block 2 - round 9 | |
1535 | aese $ctr5b, $rk9 @ AES block 5 - round 9 | |
1536 | aese $ctr7b, $rk9 @ AES block 7 - round 9 | |
1537 | ||
1538 | add $end_input_ptr, $input_ptr, $bit_length, lsr #3 @ end_input_ptr | |
1539 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
1540 | b.ge .L128_dec_tail @ handle tail | |
1541 | ||
1542 | ldp $res0q, $res1q, [$input_ptr], #32 @ AES block 0, 1 - load ciphertext | |
1543 | ||
1544 | eor3 $ctr0b, $res0b, $ctr0b, $rk10 @ AES block 0 - result | |
1545 | eor3 $ctr1b, $res1b, $ctr1b, $rk10 @ AES block 1 - result | |
1546 | stp $ctr0q, $ctr1q, [$output_ptr], #32 @ AES block 0, 1 - store result | |
1547 | ||
1548 | rev32 $ctr0.16b, $rtmp_ctr.16b @ CTR block 8 | |
1549 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8 | |
1550 | ldp $res2q, $res3q, [$input_ptr], #32 @ AES block 2, 3 - load ciphertext | |
1551 | ||
1552 | ldp $res4q, $res5q, [$input_ptr], #32 @ AES block 4, 5 - load ciphertext | |
1553 | ||
1554 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 9 | |
1555 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 9 | |
1556 | ldp $res6q, $res7q, [$input_ptr], #32 @ AES block 6, 7 - load ciphertext | |
1557 | ||
1558 | eor3 $ctr3b, $res3b, $ctr3b, $rk10 @ AES block 3 - result | |
1559 | eor3 $ctr2b, $res2b, $ctr2b, $rk10 @ AES block 2 - result | |
1560 | stp $ctr2q, $ctr3q, [$output_ptr], #32 @ AES block 2, 3 - store result | |
1561 | ||
1562 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 10 | |
1563 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 10 | |
1564 | ||
1565 | eor3 $ctr6b, $res6b, $ctr6b, $rk10 @ AES block 6 - result | |
1566 | ||
1567 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 11 | |
1568 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 11 | |
1569 | ||
1570 | eor3 $ctr4b, $res4b, $ctr4b, $rk10 @ AES block 4 - result | |
1571 | eor3 $ctr5b, $res5b, $ctr5b, $rk10 @ AES block 5 - result | |
1572 | stp $ctr4q, $ctr5q, [$output_ptr], #32 @ AES block 4, 5 - store result | |
1573 | ||
1574 | eor3 $ctr7b, $res7b, $ctr7b, $rk10 @ AES block 7 - result | |
1575 | stp $ctr6q, $ctr7q, [$output_ptr], #32 @ AES block 6, 7 - store result | |
1576 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 12 | |
1577 | ||
1578 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
1579 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 12 | |
1580 | b.ge .L128_dec_prepretail @ do prepretail | |
1581 | ||
1582 | .L128_dec_main_loop: @ main loop start | |
3b5b9199 | 1583 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h |
954f45ba | 1584 | ext $h7.16b, $h7.16b, $h7.16b, #8 |
3b5b9199 | 1585 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h |
954f45ba X |
1586 | ext $h8.16b, $h8.16b, $h8.16b, #8 |
1587 | ||
1588 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
1589 | rev64 $res0b, $res0b @ GHASH block 8k | |
1590 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
1591 | ||
1592 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
1593 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
1594 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
1595 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
1596 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
1597 | ||
1598 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
1599 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
1600 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
1601 | ||
1602 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
1603 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
1604 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
1605 | ||
1606 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
1607 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
1608 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
3b5b9199 | 1609 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k |
954f45ba X |
1610 | |
1611 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
1612 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
1613 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
1614 | ||
1615 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
1616 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
1617 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
1618 | ||
1619 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
1620 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
1621 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
1622 | ||
1623 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
1624 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
1625 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
1626 | ||
1627 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
1628 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
1629 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
1630 | ||
1631 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
1632 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
1633 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
1634 | ||
1635 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
1636 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
1637 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
1638 | ||
1639 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
1640 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
1641 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
1642 | ||
1643 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
1644 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
1645 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
1646 | ||
3b5b9199 | 1647 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low |
954f45ba X |
1648 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid |
1649 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
1650 | ||
1651 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
1652 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
1653 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
1654 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
1655 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
1656 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
1657 | ||
1658 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
1659 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
1660 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
1661 | ||
1662 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
1663 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
1664 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
1665 | ||
1666 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
1667 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
1668 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
1669 | ||
1670 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
1671 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
1672 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
1673 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 1674 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
1675 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
1676 | ||
1677 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
1678 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
1679 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
1680 | ||
1681 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
1682 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
1683 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
1684 | ||
1685 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
1686 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
1687 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
1688 | ||
1689 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
1690 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
1691 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
1692 | ||
1693 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
1694 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
1695 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
1696 | ||
1697 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
1698 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
1699 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
1700 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
1701 | ||
1702 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
1703 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
1704 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
1705 | ||
1706 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
1707 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
1708 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
1709 | ||
1710 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
1711 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
1712 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
1713 | ||
1714 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
1715 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
1716 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
1717 | ||
1718 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
1719 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
1720 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
1721 | ||
1722 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
1723 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
1724 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
1725 | ||
1726 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
1727 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
1728 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
1729 | ||
1730 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
1731 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
1732 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
1733 | ||
1734 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
1735 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
1736 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
1737 | ||
1738 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
1739 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
1740 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
1741 | ||
1742 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
1743 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
1744 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
1745 | ||
1746 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
1747 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
1748 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
1749 | ||
1750 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
1751 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
1752 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
1753 | ||
1754 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
1755 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
1756 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
1757 | ||
1758 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
1759 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
1760 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
1761 | ||
1762 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
1763 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
1764 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
1765 | ||
1766 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
1767 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
1768 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
1769 | ||
1770 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
1771 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
1772 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
1773 | ||
1774 | rev32 $h1.16b, $rtmp_ctr.16b @ CTR block 8k+16 | |
1775 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
1776 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+16 | |
1777 | ||
1778 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
1779 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
1780 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
1781 | ||
1782 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
1783 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
1784 | rev32 $h2.16b, $rtmp_ctr.16b @ CTR block 8k+17 | |
1785 | ||
1786 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
1787 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
1788 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
1789 | ||
1790 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
1791 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
1792 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+17 | |
1793 | ||
1794 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
1795 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
1796 | ldp $res0q, $res1q, [$input_ptr], #32 @ AES block 8k+8, 8k+9 - load ciphertext | |
1797 | ||
1798 | ldp $res2q, $res3q, [$input_ptr], #32 @ AES block 8k+10, 8k+11 - load ciphertext | |
1799 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
1800 | rev32 $h3.16b, $rtmp_ctr.16b @ CTR block 8k+18 | |
1801 | ||
1802 | ldp $res4q, $res5q, [$input_ptr], #32 @ AES block 8k+12, 8k+13 - load ciphertext | |
1803 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
1804 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
1805 | ||
1806 | ldp $res6q, $res7q, [$input_ptr], #32 @ AES block 8k+14, 8k+15 - load ciphertext | |
1807 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
1808 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+18 | |
1809 | ||
1810 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
1811 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
1812 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
1813 | ||
1814 | aese $ctr0b, $rk9 @ AES block 8k+8 - round 9 | |
1815 | aese $ctr1b, $rk9 @ AES block 8k+9 - round 9 | |
1816 | ldr $rk10q, [$cc, #160] @ load rk10 | |
1817 | ||
1818 | aese $ctr6b, $rk9 @ AES block 8k+14 - round 9 | |
1819 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
1820 | aese $ctr2b, $rk9 @ AES block 8k+10 - round 9 | |
1821 | ||
1822 | aese $ctr7b, $rk9 @ AES block 8k+15 - round 9 | |
1823 | aese $ctr4b, $rk9 @ AES block 8k+12 - round 9 | |
1824 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
1825 | ||
1826 | rev32 $h4.16b, $rtmp_ctr.16b @ CTR block 8k+19 | |
1827 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+19 | |
1828 | ||
1829 | aese $ctr3b, $rk9 @ AES block 8k+11 - round 9 | |
1830 | aese $ctr5b, $rk9 @ AES block 8k+13 - round 9 | |
1831 | eor3 $ctr1b, $res1b, $ctr1b, $rk10 @ AES block 8k+9 - result | |
1832 | ||
1833 | eor3 $ctr0b, $res0b, $ctr0b, $rk10 @ AES block 8k+8 - result | |
1834 | eor3 $ctr7b, $res7b, $ctr7b, $rk10 @ AES block 8k+15 - result | |
1835 | eor3 $ctr6b, $res6b, $ctr6b, $rk10 @ AES block 8k+14 - result | |
1836 | ||
1837 | eor3 $ctr2b, $res2b, $ctr2b, $rk10 @ AES block 8k+10 - result | |
1838 | stp $ctr0q, $ctr1q, [$output_ptr], #32 @ AES block 8k+8, 8k+9 - store result | |
1839 | mov $ctr1.16b, $h2.16b @ CTR block 8k+17 | |
1840 | ||
1841 | eor3 $ctr4b, $res4b, $ctr4b, $rk10 @ AES block 8k+12 - result | |
1842 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
1843 | mov $ctr0.16b, $h1.16b @ CTR block 8k+16 | |
1844 | ||
1845 | eor3 $ctr3b, $res3b, $ctr3b, $rk10 @ AES block 8k+11 - result | |
1846 | cmp $input_ptr, $main_end_input_ptr @ LOOP CONTROL | |
1847 | stp $ctr2q, $ctr3q, [$output_ptr], #32 @ AES block 8k+10, 8k+11 - store result | |
1848 | ||
1849 | eor3 $ctr5b, $res5b, $ctr5b, $rk10 @ AES block 8k+13 - result | |
1850 | mov $ctr2.16b, $h3.16b @ CTR block 8k+18 | |
1851 | ||
1852 | stp $ctr4q, $ctr5q, [$output_ptr], #32 @ AES block 8k+12, 8k+13 - store result | |
1853 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 8k+20 | |
1854 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+20 | |
1855 | ||
1856 | stp $ctr6q, $ctr7q, [$output_ptr], #32 @ AES block 8k+14, 8k+15 - store result | |
1857 | mov $ctr3.16b, $h4.16b @ CTR block 8k+19 | |
1858 | b.lt .L128_dec_main_loop | |
1859 | ||
1860 | .L128_dec_prepretail: @ PREPRETAIL | |
1861 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
1862 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
1863 | rev64 $res0b, $res0b @ GHASH block 8k | |
1864 | ||
1865 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
3b5b9199 | 1866 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 |
954f45ba X |
1867 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 |
1868 | ||
1869 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
1870 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
1871 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
1872 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
1873 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
1874 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
1875 | ||
1876 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
1877 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
1878 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
1879 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
1880 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
1881 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
1882 | ||
1883 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
1884 | ||
1885 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
1886 | ||
1887 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
3b5b9199 | 1888 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k |
954f45ba X |
1889 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 |
1890 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
1891 | ||
1892 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
1893 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
1894 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
1895 | ||
1896 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
1897 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
1898 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
1899 | ||
1900 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
1901 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
1902 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
1903 | ||
1904 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
1905 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
1906 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
1907 | ||
1908 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
1909 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
1910 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
1911 | ||
1912 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
1913 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
1914 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
1915 | ||
1916 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
1917 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
1918 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
1919 | ||
3b5b9199 | 1920 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid |
954f45ba X |
1921 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid |
1922 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
1923 | ||
1924 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
1925 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
1926 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
1927 | ||
1928 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
1929 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
1930 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
1931 | ||
1932 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
1933 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
1934 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
1935 | ||
1936 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
1937 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
1938 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
1939 | ||
1940 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
1941 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
1942 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
1943 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
1944 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
1945 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
1946 | ||
1947 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
1948 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
1949 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
1950 | ||
1951 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
1952 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 1953 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
1954 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
1955 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
1956 | ||
1957 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
1958 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
1959 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
1960 | ||
1961 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
1962 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
1963 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
1964 | ||
1965 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
1966 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
1967 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
1968 | ||
1969 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
1970 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
1971 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
1972 | ||
1973 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
1974 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
1975 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
1976 | ||
1977 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
1978 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
1979 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
1980 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
1981 | ||
1982 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
1983 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
1984 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
1985 | ||
1986 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
1987 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
1988 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
1989 | ||
1990 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
1991 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
1992 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
1993 | ||
1994 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
1995 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
1996 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
1997 | ||
1998 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
1999 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
2000 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
2001 | ||
2002 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
2003 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
2004 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
2005 | ||
2006 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
2007 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
2008 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
2009 | ||
2010 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
2011 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
2012 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
2013 | ||
2014 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
2015 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
2016 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
2017 | ||
2018 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
2019 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
2020 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
2021 | ||
2022 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
2023 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
2024 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
2025 | ||
2026 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
2027 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
2028 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
2029 | ||
2030 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
2031 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
2032 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
2033 | ||
2034 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
2035 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
2036 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
2037 | ||
2038 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
2039 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
2040 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
2041 | ||
2042 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
2043 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
2044 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
2045 | ||
2046 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
2047 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
2048 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
2049 | ||
2050 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
2051 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
2052 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
2053 | ||
2054 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
2055 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
2056 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
2057 | ||
2058 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
2059 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
2060 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
2061 | ||
2062 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
2063 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
2064 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
2065 | ||
2066 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
2067 | ldr $rk10q, [$cc, #160] @ load rk10 | |
2068 | ||
2069 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
2070 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
2071 | ||
2072 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
2073 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
2074 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
2075 | ||
2076 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
2077 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
2078 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
2079 | ||
2080 | aese $ctr6b, $rk9 @ AES block 8k+14 - round 9 | |
2081 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
2082 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
2083 | ||
2084 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
2085 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
2086 | aese $ctr2b, $rk9 @ AES block 8k+10 - round 9 | |
2087 | ||
2088 | aese $ctr3b, $rk9 @ AES block 8k+11 - round 9 | |
2089 | aese $ctr5b, $rk9 @ AES block 8k+13 - round 9 | |
2090 | aese $ctr0b, $rk9 @ AES block 8k+8 - round 9 | |
2091 | ||
2092 | aese $ctr4b, $rk9 @ AES block 8k+12 - round 9 | |
2093 | aese $ctr1b, $rk9 @ AES block 8k+9 - round 9 | |
2094 | aese $ctr7b, $rk9 @ AES block 8k+15 - round 9 | |
2095 | ||
2096 | .L128_dec_tail: @ TAIL | |
2097 | ||
2098 | mov $t1.16b, $rk10 | |
2099 | sub $main_end_input_ptr, $end_input_ptr, $input_ptr @ main_end_input_ptr is number of bytes left to process | |
2100 | ||
2101 | cmp $main_end_input_ptr, #112 | |
2102 | ||
3b5b9199 | 2103 | ldp $h78kq, $h8q, [$current_tag, #192] @ load h8k | h7k |
954f45ba X |
2104 | ext $h8.16b, $h8.16b, $h8.16b, #8 |
2105 | ldr $res1q, [$input_ptr], #16 @ AES block 8k+8 - load ciphertext | |
2106 | ||
2107 | ldp $h5q, $h56kq, [$current_tag, #128] @ load h5l | h5h | |
2108 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
2109 | ext $t0.16b, $acc_lb, $acc_lb, #8 @ prepare final partial tag | |
2110 | ||
3b5b9199 | 2111 | ldp $h6q, $h7q, [$current_tag, #160] @ load h6l | h6h |
954f45ba X |
2112 | ext $h6.16b, $h6.16b, $h6.16b, #8 |
2113 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
2114 | ||
2115 | eor3 $res4b, $res1b, $ctr0b, $t1.16b @ AES block 8k+8 - result | |
2116 | b.gt .L128_dec_blocks_more_than_7 | |
2117 | ||
2118 | cmp $main_end_input_ptr, #96 | |
2119 | mov $ctr7b, $ctr6b | |
2120 | movi $acc_l.8b, #0 | |
2121 | ||
2122 | movi $acc_h.8b, #0 | |
2123 | mov $ctr6b, $ctr5b | |
2124 | mov $ctr5b, $ctr4b | |
2125 | ||
2126 | mov $ctr4b, $ctr3b | |
2127 | mov $ctr3b, $ctr2b | |
2128 | mov $ctr2b, $ctr1b | |
2129 | ||
2130 | movi $acc_m.8b, #0 | |
2131 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
2132 | b.gt .L128_dec_blocks_more_than_6 | |
2133 | ||
2134 | cmp $main_end_input_ptr, #80 | |
2135 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
2136 | ||
2137 | mov $ctr7b, $ctr6b | |
2138 | mov $ctr6b, $ctr5b | |
2139 | mov $ctr5b, $ctr4b | |
2140 | ||
2141 | mov $ctr4b, $ctr3b | |
2142 | mov $ctr3b, $ctr1b | |
2143 | b.gt .L128_dec_blocks_more_than_5 | |
2144 | ||
2145 | cmp $main_end_input_ptr, #64 | |
2146 | ||
2147 | mov $ctr7b, $ctr6b | |
2148 | mov $ctr6b, $ctr5b | |
2149 | mov $ctr5b, $ctr4b | |
2150 | ||
2151 | mov $ctr4b, $ctr1b | |
2152 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
2153 | b.gt .L128_dec_blocks_more_than_4 | |
2154 | ||
2155 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
2156 | mov $ctr7b, $ctr6b | |
2157 | mov $ctr6b, $ctr5b | |
2158 | ||
2159 | mov $ctr5b, $ctr1b | |
2160 | cmp $main_end_input_ptr, #48 | |
2161 | b.gt .L128_dec_blocks_more_than_3 | |
2162 | ||
2163 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
2164 | mov $ctr7b, $ctr6b | |
2165 | cmp $main_end_input_ptr, #32 | |
2166 | ||
2167 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
2168 | mov $ctr6b, $ctr1b | |
2169 | b.gt .L128_dec_blocks_more_than_2 | |
2170 | ||
2171 | cmp $main_end_input_ptr, #16 | |
2172 | ||
2173 | mov $ctr7b, $ctr1b | |
2174 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
2175 | b.gt L128_dec_blocks_more_than_1 | |
2176 | ||
2177 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
2178 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
2179 | b .L128_dec_blocks_less_than_1 | |
2180 | .L128_dec_blocks_more_than_7: @ blocks left > 7 | |
2181 | rev64 $res0b, $res1b @ GHASH final-7 block | |
2182 | ||
2183 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2184 | ||
2185 | ins $acc_m.d[0], $h78k.d[1] @ GHASH final-7 block - mid | |
2186 | ||
2187 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH final-7 block - low | |
2188 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-7 block - mid | |
2189 | ||
eb4129e1 | 2190 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
2191 | ldr $res1q, [$input_ptr], #16 @ AES final-6 block - load ciphertext |
2192 | ||
2193 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-7 block - mid | |
2194 | ||
2195 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH final-7 block - high | |
2196 | st1 { $res4b}, [$output_ptr], #16 @ AES final-7 block - store result | |
2197 | eor3 $res4b, $res1b, $ctr1b, $t1.16b @ AES final-6 block - result | |
2198 | ||
2199 | pmull $acc_m.1q, $rk4v.1d, $acc_m.1d @ GHASH final-7 block - mid | |
2200 | .L128_dec_blocks_more_than_6: @ blocks left > 6 | |
2201 | ||
2202 | rev64 $res0b, $res1b @ GHASH final-6 block | |
2203 | ||
2204 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2205 | ||
2206 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-6 block - mid | |
2207 | ||
2208 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-6 block - mid | |
2209 | ||
2210 | pmull $rk3q1, $res0.1d, $h7.1d @ GHASH final-6 block - low | |
2211 | ldr $res1q, [$input_ptr], #16 @ AES final-5 block - load ciphertext | |
eb4129e1 | 2212 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
2213 | |
2214 | pmull $rk4v.1q, $rk4v.1d, $h78k.1d @ GHASH final-6 block - mid | |
2215 | st1 { $res4b}, [$output_ptr], #16 @ AES final-6 block - store result | |
2216 | pmull2 $rk2q1, $res0.2d, $h7.2d @ GHASH final-6 block - high | |
2217 | ||
2218 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-6 block - low | |
2219 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-6 block - high | |
2220 | ||
2221 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-6 block - mid | |
2222 | eor3 $res4b, $res1b, $ctr2b, $t1.16b @ AES final-5 block - result | |
2223 | .L128_dec_blocks_more_than_5: @ blocks left > 5 | |
2224 | ||
2225 | rev64 $res0b, $res1b @ GHASH final-5 block | |
2226 | ||
2227 | ldr $res1q, [$input_ptr], #16 @ AES final-4 block - load ciphertext | |
2228 | st1 { $res4b}, [$output_ptr], #16 @ AES final-5 block - store result | |
2229 | ||
2230 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2231 | ||
2232 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-5 block - mid | |
2233 | ||
2234 | eor3 $res4b, $res1b, $ctr3b, $t1.16b @ AES final-4 block - result | |
2235 | ||
2236 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-5 block - mid | |
2237 | ||
2238 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-5 block - mid | |
2239 | pmull $rk3q1, $res0.1d, $h6.1d @ GHASH final-5 block - low | |
eb4129e1 | 2240 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
2241 | |
2242 | pmull2 $rk4v.1q, $rk4v.2d, $h56k.2d @ GHASH final-5 block - mid | |
2243 | pmull2 $rk2q1, $res0.2d, $h6.2d @ GHASH final-5 block - high | |
2244 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-5 block - low | |
2245 | ||
2246 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-5 block - mid | |
2247 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-5 block - high | |
2248 | .L128_dec_blocks_more_than_4: @ blocks left > 4 | |
2249 | ||
2250 | rev64 $res0b, $res1b @ GHASH final-4 block | |
2251 | ||
2252 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2253 | ldr $res1q, [$input_ptr], #16 @ AES final-3 block - load ciphertext | |
2254 | ||
2255 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-4 block - mid | |
eb4129e1 | 2256 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
2257 | pmull2 $rk2q1, $res0.2d, $h5.2d @ GHASH final-4 block - high |
2258 | ||
2259 | pmull $rk3q1, $res0.1d, $h5.1d @ GHASH final-4 block - low | |
2260 | ||
2261 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-4 block - high | |
2262 | ||
2263 | st1 { $res4b}, [$output_ptr], #16 @ AES final-4 block - store result | |
2264 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-4 block - mid | |
2265 | ||
2266 | eor3 $res4b, $res1b, $ctr4b, $t1.16b @ AES final-3 block - result | |
2267 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-4 block - low | |
2268 | ||
2269 | pmull $rk4v.1q, $rk4v.1d, $h56k.1d @ GHASH final-4 block - mid | |
2270 | ||
2271 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-4 block - mid | |
2272 | .L128_dec_blocks_more_than_3: @ blocks left > 3 | |
2273 | ||
2274 | st1 { $res4b}, [$output_ptr], #16 @ AES final-3 block - store result | |
2275 | rev64 $res0b, $res1b @ GHASH final-3 block | |
2276 | ||
2277 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2278 | ||
2279 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-3 block - mid | |
2280 | ||
2281 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
2282 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
2283 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
2284 | ||
2285 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-3 block - mid | |
2286 | ||
2287 | ldr $res1q, [$input_ptr], #16 @ AES final-2 block - load ciphertext | |
2288 | ||
2289 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-3 block - mid | |
2290 | pmull $rk3q1, $res0.1d, $h4.1d @ GHASH final-3 block - low | |
2291 | pmull2 $rk2q1, $res0.2d, $h4.2d @ GHASH final-3 block - high | |
2292 | ||
eb4129e1 | 2293 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
2294 | eor3 $res4b, $res1b, $ctr5b, $t1.16b @ AES final-2 block - result |
2295 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-3 block - low | |
2296 | ||
2297 | pmull2 $rk4v.1q, $rk4v.2d, $h34k.2d @ GHASH final-3 block - mid | |
2298 | ||
2299 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-3 block - high | |
2300 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-3 block - mid | |
2301 | .L128_dec_blocks_more_than_2: @ blocks left > 2 | |
2302 | ||
2303 | rev64 $res0b, $res1b @ GHASH final-2 block | |
2304 | ||
2305 | st1 { $res4b}, [$output_ptr], #16 @ AES final-2 block - store result | |
2306 | ||
2307 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2308 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
2309 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
eb4129e1 | 2310 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
2311 | |
2312 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-2 block - mid | |
2313 | ||
2314 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-2 block - mid | |
2315 | ||
2316 | pmull $rk3q1, $res0.1d, $h3.1d @ GHASH final-2 block - low | |
2317 | ||
2318 | pmull2 $rk2q1, $res0.2d, $h3.2d @ GHASH final-2 block - high | |
2319 | pmull $rk4v.1q, $rk4v.1d, $h34k.1d @ GHASH final-2 block - mid | |
2320 | ldr $res1q, [$input_ptr], #16 @ AES final-1 block - load ciphertext | |
2321 | ||
2322 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-2 block - mid | |
2323 | ||
2324 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-2 block - low | |
2325 | ||
2326 | eor3 $res4b, $res1b, $ctr6b, $t1.16b @ AES final-1 block - result | |
2327 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-2 block - high | |
2328 | .L128_dec_blocks_more_than_1: @ blocks left > 1 | |
2329 | ||
2330 | st1 { $res4b}, [$output_ptr], #16 @ AES final-1 block - store result | |
2331 | rev64 $res0b, $res1b @ GHASH final-1 block | |
2332 | ||
3b5b9199 | 2333 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
2334 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
2335 | ||
2336 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2337 | ||
eb4129e1 | 2338 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
2339 | |
2340 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-1 block - mid | |
2341 | ||
2342 | ldr $res1q, [$input_ptr], #16 @ AES final block - load ciphertext | |
2343 | pmull2 $rk2q1, $res0.2d, $h2.2d @ GHASH final-1 block - high | |
2344 | ||
2345 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-1 block - mid | |
2346 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-1 block - high | |
2347 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
2348 | ||
2349 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-1 block - mid | |
2350 | eor3 $res4b, $res1b, $ctr7b, $t1.16b @ AES final block - result | |
2351 | ||
2352 | pmull $rk3q1, $res0.1d, $h2.1d @ GHASH final-1 block - low | |
2353 | ||
2354 | pmull2 $rk4v.1q, $rk4v.2d, $h12k.2d @ GHASH final-1 block - mid | |
2355 | ||
2356 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-1 block - low | |
2357 | ||
2358 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-1 block - mid | |
2359 | .L128_dec_blocks_less_than_1: @ blocks left <= 1 | |
2360 | ||
2361 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
2362 | ||
2363 | sub $bit_length, $bit_length, #128 @ bit_length -= 128 | |
2364 | ||
2365 | neg $bit_length, $bit_length @ bit_length = 128 - #bits in input (in range [1,128]) | |
2366 | ||
2367 | mvn $temp0_x, xzr @ temp0_x = 0xffffffffffffffff | |
2368 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
2369 | ||
2370 | lsr $temp0_x, $temp0_x, $bit_length @ temp0_x is mask for top 64b of last block | |
2371 | cmp $bit_length, #64 | |
2372 | mvn $temp1_x, xzr @ temp1_x = 0xffffffffffffffff | |
2373 | ||
2374 | csel $temp2_x, $temp1_x, $temp0_x, lt | |
2375 | csel $temp3_x, $temp0_x, xzr, lt | |
2376 | ||
2377 | mov $ctr0.d[1], $temp3_x | |
2378 | mov $ctr0.d[0], $temp2_x @ ctr0b is mask for last block | |
2379 | ||
2380 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
2381 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
2382 | ld1 { $rk0}, [$output_ptr] @ load existing bytes where the possibly partial last block is to be stored | |
2383 | ||
2384 | and $res1b, $res1b, $ctr0b @ possibly partial last block has zeroes in highest bits | |
2385 | ||
2386 | rev64 $res0b, $res1b @ GHASH final block | |
2387 | ||
2388 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
2389 | ||
2390 | pmull2 $rk2q1, $res0.2d, $h1.2d @ GHASH final block - high | |
2391 | ins $t0.d[0], $res0.d[1] @ GHASH final block - mid | |
2392 | ||
2393 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final block - high | |
2394 | eor $t0.8b, $t0.8b, $res0.8b @ GHASH final block - mid | |
2395 | ||
2396 | bif $res4b, $rk0, $ctr0b @ insert existing bytes in top end of result before storing | |
2397 | ||
2398 | pmull $t0.1q, $t0.1d, $h12k.1d @ GHASH final block - mid | |
2399 | st1 { $res4b}, [$output_ptr] @ store all 16B | |
2400 | ||
2401 | pmull $rk3q1, $res0.1d, $h1.1d @ GHASH final block - low | |
2402 | ||
2403 | eor $acc_mb, $acc_mb, $t0.16b @ GHASH final block - mid | |
2404 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
2405 | ||
2406 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final block - low | |
2407 | ||
2408 | eor $t10.16b, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
2409 | ||
2410 | pmull $t11.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
2411 | ext $acc_hb, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
2412 | ||
2413 | eor $acc_mb, $acc_mb, $t10.16b @ MODULO - karatsuba tidy up | |
2414 | ||
2415 | eor3 $acc_mb, $acc_mb, $acc_hb, $t11.16b @ MODULO - fold into mid | |
2416 | ||
2417 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
2418 | ext $acc_mb, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
2419 | ||
2420 | eor3 $acc_lb, $acc_lb, $acc_mb, $acc_hb @ MODULO - fold into low | |
2421 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
2422 | rev64 $acc_lb, $acc_lb | |
2423 | st1 { $acc_l.16b }, [$current_tag] | |
2424 | rev32 $rtmp_ctr.16b, $rtmp_ctr.16b | |
2425 | ||
2426 | str $rtmp_ctrq, [$counter] @ store the updated counter | |
2427 | ||
4596c20b | 2428 | mov x0, $byte_length |
954f45ba X |
2429 | |
2430 | ldp d10, d11, [sp, #16] | |
2431 | ldp d12, d13, [sp, #32] | |
2432 | ldp d14, d15, [sp, #48] | |
2433 | ldp d8, d9, [sp], #80 | |
2434 | ret | |
2435 | .L128_dec_ret: | |
2436 | mov w0, #0x0 | |
2437 | ret | |
2438 | .size unroll8_eor3_aes_gcm_dec_128_kernel,.-unroll8_eor3_aes_gcm_dec_128_kernel | |
2439 | ___ | |
2440 | } | |
2441 | ||
2442 | { | |
2443 | my ($end_input_ptr,$main_end_input_ptr,$temp0_x,$temp1_x)=map("x$_",(4..7)); | |
2444 | my ($temp2_x,$temp3_x)=map("x$_",(13..14)); | |
2445 | my ($ctr0b,$ctr1b,$ctr2b,$ctr3b,$ctr4b,$ctr5b,$ctr6b,$ctr7b,$res0b,$res1b,$res2b,$res3b,$res4b,$res5b,$res6b,$res7b)=map("v$_.16b",(0..15)); | |
2446 | my ($ctr0,$ctr1,$ctr2,$ctr3,$ctr4,$ctr5,$ctr6,$ctr7,$res0,$res1,$res2,$res3,$res4,$res5,$res6,$res7)=map("v$_",(0..15)); | |
2447 | my ($ctr0d,$ctr1d,$ctr2d,$ctr3d,$ctr4d,$ctr5d,$ctr6d,$ctr7d)=map("d$_",(0..7)); | |
2448 | my ($ctr0q,$ctr1q,$ctr2q,$ctr3q,$ctr4q,$ctr5q,$ctr6q,$ctr7q)=map("q$_",(0..7)); | |
2449 | my ($res0q,$res1q,$res2q,$res3q,$res4q,$res5q,$res6q,$res7q)=map("q$_",(8..15)); | |
2450 | ||
2451 | my ($ctr_t0,$ctr_t1,$ctr_t2,$ctr_t3,$ctr_t4,$ctr_t5,$ctr_t6,$ctr_t7)=map("v$_",(8..15)); | |
2452 | my ($ctr_t0b,$ctr_t1b,$ctr_t2b,$ctr_t3b,$ctr_t4b,$ctr_t5b,$ctr_t6b,$ctr_t7b)=map("v$_.16b",(8..15)); | |
2453 | my ($ctr_t0q,$ctr_t1q,$ctr_t2q,$ctr_t3q,$ctr_t4q,$ctr_t5q,$ctr_t6q,$ctr_t7q)=map("q$_",(8..15)); | |
2454 | ||
2455 | my ($acc_hb,$acc_mb,$acc_lb)=map("v$_.16b",(17..19)); | |
2456 | my ($acc_h,$acc_m,$acc_l)=map("v$_",(17..19)); | |
2457 | ||
2458 | my ($h1,$h12k,$h2,$h3,$h34k,$h4)=map("v$_",(20..25)); | |
2459 | my ($h5,$h56k,$h6,$h7,$h78k,$h8)=map("v$_",(20..25)); | |
2460 | my ($h1q,$h12kq,$h2q,$h3q,$h34kq,$h4q)=map("q$_",(20..25)); | |
2461 | my ($h5q,$h56kq,$h6q,$h7q,$h78kq,$h8q)=map("q$_",(20..25)); | |
2462 | ||
2463 | my $t0="v16"; | |
2464 | my $t0d="d16"; | |
2465 | ||
2466 | my $t1="v29"; | |
2467 | my $t2=$res1; | |
2468 | my $t3=$t1; | |
2469 | ||
2470 | my $t4=$res0; | |
2471 | my $t5=$res2; | |
2472 | my $t6=$t0; | |
2473 | ||
2474 | my $t7=$res3; | |
2475 | my $t8=$res4; | |
2476 | my $t9=$res5; | |
2477 | ||
2478 | my $t10=$res6; | |
2479 | my $t11="v21"; | |
2480 | my $t12=$t1; | |
2481 | ||
2482 | my $rtmp_ctr="v30"; | |
2483 | my $rtmp_ctrq="q30"; | |
2484 | my $rctr_inc="v31"; | |
2485 | my $rctr_incd="d31"; | |
2486 | ||
2487 | my $mod_constantd=$t0d; | |
2488 | my $mod_constant=$t0; | |
2489 | ||
2490 | my ($rk0,$rk1,$rk2)=map("v$_.16b",(26..28)); | |
2491 | my ($rk3,$rk4,$rk5)=map("v$_.16b",(26..28)); | |
2492 | my ($rk6,$rk7,$rk8)=map("v$_.16b",(26..28)); | |
2493 | my ($rk9,$rk10,$rk11)=map("v$_.16b",(26..28)); | |
2494 | my ($rk12,$rk13,$rk14)=map("v$_.16b",(26..28)); | |
2495 | my ($rk0q,$rk1q,$rk2q)=map("q$_",(26..28)); | |
2496 | my ($rk3q,$rk4q,$rk5q)=map("q$_",(26..28)); | |
2497 | my ($rk6q,$rk7q,$rk8q)=map("q$_",(26..28)); | |
2498 | my ($rk9q,$rk10q,$rk11q)=map("q$_",(26..28)); | |
2499 | my ($rk12q,$rk13q,$rk14q)=map("q$_",(26..28)); | |
2500 | my $rk2q1="v28.1q"; | |
2501 | my $rk3q1="v26.1q"; | |
2502 | my $rk4v="v27"; | |
2503 | ||
2504 | ######################################################################################### | |
6c0ecc2b | 2505 | # size_t unroll8_eor3_aes_gcm_enc_192_kernel(const uint8_t * plaintext, |
2506 | # uint64_t plaintext_length, | |
2507 | # uint8_t * ciphertext, | |
2508 | # uint64_t *Xi, | |
2509 | # unsigned char ivec[16], | |
2510 | # const void *key); | |
954f45ba X |
2511 | # |
2512 | $code.=<<___; | |
2513 | .global unroll8_eor3_aes_gcm_enc_192_kernel | |
2514 | .type unroll8_eor3_aes_gcm_enc_192_kernel,%function | |
2515 | .align 4 | |
2516 | unroll8_eor3_aes_gcm_enc_192_kernel: | |
2517 | AARCH64_VALID_CALL_TARGET | |
2518 | cbz x1, .L192_enc_ret | |
2519 | stp d8, d9, [sp, #-80]! | |
4596c20b | 2520 | lsr $byte_length, $bit_length, #3 |
954f45ba X |
2521 | mov $counter, x4 |
2522 | mov $cc, x5 | |
2523 | stp d10, d11, [sp, #16] | |
2524 | stp d12, d13, [sp, #32] | |
2525 | stp d14, d15, [sp, #48] | |
2526 | mov x5, #0xc200000000000000 | |
2527 | stp x5, xzr, [sp, #64] | |
2528 | add $modulo_constant, sp, #64 | |
2529 | ||
4596c20b | 2530 | mov $main_end_input_ptr, $byte_length |
954f45ba X |
2531 | ld1 { $ctr0b}, [$counter] @ CTR block 0 |
2532 | ||
2533 | mov $constant_temp, #0x100000000 @ set up counter increment | |
2534 | movi $rctr_inc.16b, #0x0 | |
2535 | mov $rctr_inc.d[1], $constant_temp | |
2536 | ||
2537 | rev32 $rtmp_ctr.16b, $ctr0.16b @ set up reversed counter | |
2538 | ||
2539 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 0 | |
2540 | ||
2541 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 1 | |
2542 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 1 | |
2543 | ||
2544 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 2 | |
2545 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 2 | |
2546 | ||
2547 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 3 | |
2548 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 3 | |
2549 | ||
2550 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 4 | |
2551 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 4 | |
2552 | sub $main_end_input_ptr, $main_end_input_ptr, #1 @ byte_len - 1 | |
2553 | ||
2554 | and $main_end_input_ptr, $main_end_input_ptr, #0xffffffffffffff80 @ number of bytes to be processed in main loop (at least 1 byte must be handled by tail) | |
2555 | ||
2556 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 5 | |
2557 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 5 | |
2558 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
2559 | ||
2560 | add $main_end_input_ptr, $main_end_input_ptr, $input_ptr | |
2561 | ||
2562 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 6 | |
2563 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 6 | |
2564 | ||
2565 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 7 | |
2566 | ||
2567 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 0 | |
2568 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 0 | |
2569 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 0 | |
2570 | ||
2571 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 0 | |
2572 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 0 | |
2573 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 0 | |
2574 | ||
2575 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 0 | |
2576 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 0 | |
2577 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
2578 | ||
2579 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 1 | |
2580 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 1 | |
2581 | ||
2582 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 1 | |
2583 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 1 | |
2584 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 1 | |
2585 | ||
2586 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 2 | |
2587 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 1 | |
2588 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 1 | |
2589 | ||
2590 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 1 | |
2591 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 2 | |
2592 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 2 | |
2593 | ||
2594 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 2 | |
2595 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 2 | |
2596 | ||
2597 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 2 | |
2598 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 2 | |
2599 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 2 | |
2600 | ||
2601 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
2602 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 3 | |
2603 | ||
2604 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 3 | |
2605 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 3 | |
2606 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 3 | |
2607 | ||
2608 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 3 | |
2609 | ||
2610 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 3 | |
2611 | ||
2612 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 3 | |
2613 | ||
2614 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 4 | |
2615 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 4 | |
2616 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 3 | |
2617 | ||
2618 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 4 | |
2619 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 4 | |
2620 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 4 | |
2621 | ||
2622 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 4 | |
2623 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 4 | |
2624 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 4 | |
2625 | ||
2626 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 5 | |
3b5b9199 | 2627 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 |
954f45ba X |
2628 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 5 |
2629 | ||
2630 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 5 | |
2631 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 5 | |
2632 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 5 | |
2633 | ||
2634 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 5 | |
2635 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 5 | |
2636 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 5 | |
2637 | ||
2638 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 7 | |
2639 | ||
2640 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 6 | |
2641 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 6 | |
2642 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 6 | |
2643 | ||
2644 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 6 | |
2645 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 6 | |
2646 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 6 | |
2647 | ||
2648 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 6 | |
2649 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 6 | |
2650 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
2651 | ||
2652 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 7 | |
2653 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 7 | |
2654 | ||
2655 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 7 | |
2656 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 7 | |
2657 | ||
2658 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 7 | |
2659 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 7 | |
2660 | ||
2661 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 7 | |
2662 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 7 | |
2663 | ||
2664 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 8 | |
2665 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 8 | |
2666 | ||
2667 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 8 | |
2668 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 8 | |
2669 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 8 | |
2670 | ||
2671 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 8 | |
2672 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 8 | |
2673 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 8 | |
2674 | ||
2675 | add $end_input_ptr, $input_ptr, $bit_length, lsr #3 @ end_input_ptr | |
2676 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
2677 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 9 | |
2678 | ||
2679 | ld1 { $acc_lb}, [$current_tag] | |
2680 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
2681 | rev64 $acc_lb, $acc_lb | |
2682 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
2683 | ||
2684 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 9 | |
2685 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 9 | |
2686 | ||
2687 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 9 | |
2688 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 9 | |
2689 | ||
2690 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 9 | |
2691 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 9 | |
2692 | ||
2693 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 14 - round 10 | |
2694 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 9 | |
2695 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 11 - round 10 | |
2696 | ||
2697 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 9 - round 10 | |
2698 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 13 - round 10 | |
2699 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 12 - round 10 | |
2700 | ||
2701 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8 - round 10 | |
2702 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 10 - round 10 | |
2703 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 15 - round 10 | |
2704 | ||
2705 | aese $ctr6b, $rk11 @ AES block 14 - round 11 | |
2706 | aese $ctr3b, $rk11 @ AES block 11 - round 11 | |
2707 | ||
2708 | aese $ctr4b, $rk11 @ AES block 12 - round 11 | |
2709 | aese $ctr7b, $rk11 @ AES block 15 - round 11 | |
2710 | ldr $rk12q, [$cc, #192] @ load rk12 | |
2711 | ||
2712 | aese $ctr1b, $rk11 @ AES block 9 - round 11 | |
2713 | aese $ctr5b, $rk11 @ AES block 13 - round 11 | |
2714 | ||
2715 | aese $ctr2b, $rk11 @ AES block 10 - round 11 | |
2716 | aese $ctr0b, $rk11 @ AES block 8 - round 11 | |
2717 | b.ge .L192_enc_tail @ handle tail | |
2718 | ||
2719 | ldp $ctr_t0q, $ctr_t1q, [$input_ptr], #32 @ AES block 0, 1 - load plaintext | |
2720 | ||
2721 | ldp $ctr_t2q, $ctr_t3q, [$input_ptr], #32 @ AES block 2, 3 - load plaintext | |
2722 | ||
2723 | ldp $ctr_t4q, $ctr_t5q, [$input_ptr], #32 @ AES block 4, 5 - load plaintext | |
2724 | ||
2725 | ldp $ctr_t6q, $ctr_t7q, [$input_ptr], #32 @ AES block 6, 7 - load plaintext | |
2726 | ||
2727 | eor3 $res0b, $ctr_t0b, $ctr0b, $rk12 @ AES block 0 - result | |
2728 | rev32 $ctr0.16b, $rtmp_ctr.16b @ CTR block 8 | |
2729 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8 | |
2730 | ||
2731 | eor3 $res3b, $ctr_t3b, $ctr3b, $rk12 @ AES block 3 - result | |
2732 | eor3 $res1b, $ctr_t1b, $ctr1b, $rk12 @ AES block 1 - result | |
2733 | ||
2734 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 9 | |
2735 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 9 | |
2736 | eor3 $res4b, $ctr_t4b, $ctr4b, $rk12 @ AES block 4 - result | |
2737 | ||
2738 | eor3 $res5b, $ctr_t5b, $ctr5b, $rk12 @ AES block 5 - result | |
2739 | eor3 $res7b, $ctr_t7b, $ctr7b, $rk12 @ AES block 7 - result | |
2740 | stp $res0q, $res1q, [$output_ptr], #32 @ AES block 0, 1 - store result | |
2741 | ||
2742 | eor3 $res2b, $ctr_t2b, $ctr2b, $rk12 @ AES block 2 - result | |
2743 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 10 | |
2744 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 10 | |
2745 | ||
2746 | stp $res2q, $res3q, [$output_ptr], #32 @ AES block 2, 3 - store result | |
2747 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
2748 | ||
2749 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 11 | |
2750 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 11 | |
2751 | eor3 $res6b, $ctr_t6b, $ctr6b, $rk12 @ AES block 6 - result | |
2752 | ||
2753 | stp $res4q, $res5q, [$output_ptr], #32 @ AES block 4, 5 - store result | |
2754 | ||
2755 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 12 | |
2756 | stp $res6q, $res7q, [$output_ptr], #32 @ AES block 6, 7 - store result | |
2757 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 12 | |
2758 | ||
2759 | b.ge .L192_enc_prepretail @ do prepretail | |
2760 | ||
2761 | .L192_enc_main_loop: @ main loop start | |
2762 | rev64 $res4b, $res4b @ GHASH block 8k+4 (t0, t1, and t2 free) | |
2763 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
2764 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
2765 | ||
2766 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
2767 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
2768 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
2769 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
2770 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
2771 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
2772 | ||
2773 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
2774 | rev64 $res0b, $res0b @ GHASH block 8k | |
2775 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
2776 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
2777 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
2778 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
2779 | ||
2780 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
2781 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
2782 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
2783 | ||
2784 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
2785 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
2786 | rev64 $res5b, $res5b @ GHASH block 8k+5 (t0, t1, t2 and t3 free) | |
2787 | ||
2788 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
2789 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
2790 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
2791 | ||
2792 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
2793 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
2794 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
2795 | ||
2796 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
2797 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
2798 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
2799 | ||
2800 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
2801 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
2802 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
2803 | ||
2804 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
2805 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
2806 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
2807 | ||
2808 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
2809 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
2810 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
2811 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
2812 | ||
2813 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
2814 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
2815 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
2816 | ||
2817 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
2818 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
2819 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
2820 | ||
2821 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
2822 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
2823 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
2824 | ||
2825 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
2826 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
2827 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
2828 | ||
2829 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
2830 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
2831 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
2832 | ||
2833 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
2834 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
2835 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
2836 | ||
2837 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
2838 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
2839 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
2840 | ||
2841 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
2842 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
2843 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
2844 | ||
2845 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
2846 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
2847 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
2848 | ||
2849 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
2850 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
2851 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
2852 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
2853 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
2854 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
2855 | ||
3b5b9199 | 2856 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid |
954f45ba X |
2857 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid |
2858 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
2859 | ||
2860 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
2861 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
2862 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
2863 | ||
2864 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
2865 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
2866 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
2867 | ||
2868 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
2869 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
2870 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
2871 | ||
2872 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
2873 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
2874 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
2875 | ||
2876 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
2877 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
2878 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
2879 | ||
2880 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
2881 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
2882 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
2883 | ||
2884 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
2885 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
2886 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
2887 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 2888 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
2889 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
2890 | ||
2891 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
2892 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
2893 | rev64 $res7b, $res7b @ GHASH block 8k+7 (t0, t1, t2 and t3 free) | |
2894 | ||
2895 | rev64 $res6b, $res6b @ GHASH block 8k+6 (t0, t1, and t2 free) | |
2896 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
2897 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
2898 | ||
2899 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
2900 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
2901 | ||
2902 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
2903 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
2904 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
2905 | ||
2906 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
2907 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
2908 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
2909 | ||
2910 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
2911 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
2912 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
2913 | ||
2914 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
2915 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
2916 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
2917 | ||
2918 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
2919 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
2920 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
2921 | ||
2922 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
2923 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
2924 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
2925 | ||
2926 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
2927 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
2928 | ||
2929 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
2930 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
2931 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
2932 | ||
2933 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
2934 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
2935 | ||
2936 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
2937 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
2938 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
2939 | ||
2940 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
2941 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
2942 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
2943 | ||
2944 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
2945 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
2946 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
2947 | ||
2948 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
2949 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
2950 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
2951 | ||
2952 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
2953 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
2954 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
2955 | ||
2956 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
2957 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
2958 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
2959 | ||
2960 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
2961 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
2962 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
2963 | ||
2964 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
2965 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
2966 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
2967 | ||
2968 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
2969 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
2970 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
2971 | ||
2972 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
2973 | rev32 $h1.16b, $rtmp_ctr.16b @ CTR block 8k+16 | |
2974 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+16 | |
2975 | ||
2976 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
2977 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
2978 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
2979 | ||
2980 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
2981 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
2982 | ldp $ctr_t0q, $ctr_t1q, [$input_ptr], #32 @ AES block 8k+8, 8k+9 - load plaintext | |
2983 | ||
2984 | pmull $t11.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
2985 | rev32 $h2.16b, $rtmp_ctr.16b @ CTR block 8k+17 | |
2986 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
2987 | ||
2988 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
2989 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
2990 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
2991 | ||
2992 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
2993 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
2994 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+17 | |
2995 | ||
2996 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
2997 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
2998 | ldr $rk12q, [$cc, #192] @ load rk12 | |
2999 | ext $t12.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
3000 | ||
3001 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
3002 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
3003 | ldp $ctr_t2q, $ctr_t3q, [$input_ptr], #32 @ AES block 8k+10, 8k+11 - load plaintext | |
3004 | ||
3005 | aese $ctr4b, $rk11 @ AES block 8k+12 - round 11 | |
3006 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
3007 | ldp $ctr_t4q, $ctr_t5q, [$input_ptr], #32 @ AES block 8k+12, 8k+13 - load plaintext | |
3008 | ||
3009 | ldp $ctr_t6q, $ctr_t7q, [$input_ptr], #32 @ AES block 8k+14, 8k+15 - load plaintext | |
3010 | aese $ctr2b, $rk11 @ AES block 8k+10 - round 11 | |
3011 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
3012 | ||
3013 | rev32 $h3.16b, $rtmp_ctr.16b @ CTR block 8k+18 | |
3014 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
3015 | ||
3016 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
3017 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
3018 | ||
3019 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
3020 | aese $ctr5b, $rk11 @ AES block 8k+13 - round 11 | |
3021 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+18 | |
3022 | ||
3023 | aese $ctr7b, $rk11 @ AES block 8k+15 - round 11 | |
3024 | aese $ctr0b, $rk11 @ AES block 8k+8 - round 11 | |
3025 | eor3 $res4b, $ctr_t4b, $ctr4b, $rk12 @ AES block 4 - result | |
3026 | ||
3027 | aese $ctr6b, $rk11 @ AES block 8k+14 - round 11 | |
3028 | aese $ctr3b, $rk11 @ AES block 8k+11 - round 11 | |
3029 | aese $ctr1b, $rk11 @ AES block 8k+9 - round 11 | |
3030 | ||
3031 | rev32 $h4.16b, $rtmp_ctr.16b @ CTR block 8k+19 | |
3032 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+19 | |
3033 | eor3 $res7b, $ctr_t7b, $ctr7b, $rk12 @ AES block 7 - result | |
3034 | ||
3035 | eor3 $res2b, $ctr_t2b, $ctr2b, $rk12 @ AES block 8k+10 - result | |
3036 | eor3 $res0b, $ctr_t0b, $ctr0b, $rk12 @ AES block 8k+8 - result | |
3037 | mov $ctr2.16b, $h3.16b @ CTR block 8k+18 | |
3038 | ||
3039 | eor3 $res1b, $ctr_t1b, $ctr1b, $rk12 @ AES block 8k+9 - result | |
3040 | mov $ctr1.16b, $h2.16b @ CTR block 8k+17 | |
3041 | stp $res0q, $res1q, [$output_ptr], #32 @ AES block 8k+8, 8k+9 - store result | |
3042 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
3043 | ||
3044 | eor3 $res6b, $ctr_t6b, $ctr6b, $rk12 @ AES block 6 - result | |
3045 | mov $ctr0.16b, $h1.16b @ CTR block 8k+16 | |
3046 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 8k+20 | |
3047 | ||
3048 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+20 | |
3049 | eor3 $res5b, $ctr_t5b, $ctr5b, $rk12 @ AES block 5 - result | |
3050 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
3051 | ||
3052 | eor3 $res3b, $ctr_t3b, $ctr3b, $rk12 @ AES block 8k+11 - result | |
3053 | mov $ctr3.16b, $h4.16b @ CTR block 8k+19 | |
3054 | ||
3055 | stp $res2q, $res3q, [$output_ptr], #32 @ AES block 8k+10, 8k+11 - store result | |
3056 | ||
3057 | stp $res4q, $res5q, [$output_ptr], #32 @ AES block 8k+12, 8k+13 - store result | |
3058 | ||
3059 | cmp $input_ptr, $main_end_input_ptr @ LOOP CONTROL | |
3060 | stp $res6q, $res7q, [$output_ptr], #32 @ AES block 8k+14, 8k+15 - store result | |
3061 | b.lt .L192_enc_main_loop | |
3062 | ||
3063 | .L192_enc_prepretail: @ PREPRETAIL | |
3064 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
3065 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
3066 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
3067 | ||
3068 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
3069 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
3070 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
3071 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
3072 | rev64 $res0b, $res0b @ GHASH block 8k | |
3073 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
3074 | ||
3075 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
3076 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
3077 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
3078 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
3079 | ||
3080 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
3081 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
3082 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
3083 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
3084 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
3085 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
3086 | ||
3087 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
3088 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
3089 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
3090 | ||
3091 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
3092 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
3093 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
3094 | ||
3095 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
3096 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
3097 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
3098 | ||
3099 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
3100 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
3101 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
3102 | ||
3103 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
3104 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
3105 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
3106 | ||
3107 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
3108 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
3109 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
3110 | ||
3111 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
3112 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
3113 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
3114 | ||
3115 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
3116 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
3117 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
3118 | ||
3119 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
3120 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
3121 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
3122 | ||
3123 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
3124 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
3125 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
3126 | ||
3127 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
3128 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
3129 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
3130 | ||
3131 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
3132 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
3133 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
3134 | ||
3135 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
3136 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
3137 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
3138 | ||
3139 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
3140 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
3141 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
3142 | ||
3143 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
3144 | rev64 $res5b, $res5b @ GHASH block 8k+5 (t0, t1, t2 and t3 free) | |
3145 | rev64 $res6b, $res6b @ GHASH block 8k+6 (t0, t1, and t2 free) | |
3146 | ||
3147 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
3148 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
3149 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
3150 | ||
3151 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
3152 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
3153 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
3154 | ||
3155 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
3156 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
3157 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
3158 | ||
3159 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
3160 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
3161 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
3162 | ||
3163 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
3164 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
3165 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
3166 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
3167 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
3168 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
3169 | ||
3170 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
3171 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 3172 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
3173 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
3174 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
3175 | rev64 $res4b, $res4b @ GHASH block 8k+4 (t0, t1, and t2 free) | |
3176 | ||
3177 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
3178 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
3179 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
3180 | ||
3181 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
3182 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
3183 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
3184 | ||
3185 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
3186 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
3187 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
3188 | ||
3189 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
3190 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
3191 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
3192 | ||
3193 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
3194 | rev64 $res7b, $res7b @ GHASH block 8k+7 (t0, t1, t2 and t3 free) | |
3195 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
3196 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
3197 | ||
3198 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
3199 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
3200 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
3201 | ||
3202 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
3203 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
3204 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
3205 | ||
3206 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
3207 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
3208 | ||
3209 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
3210 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
3211 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
3212 | ||
3213 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
3214 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
3215 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
3216 | ||
3217 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
3218 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
3219 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
3220 | ||
3221 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
3222 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
3223 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
3224 | ||
3225 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
3226 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
3227 | ||
3228 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
3229 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
3230 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
3231 | ||
3232 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
3233 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
3234 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
3235 | ||
3236 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
3237 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
3238 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
3239 | ||
3240 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
3241 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
3242 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
3243 | ||
3244 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
3245 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
3246 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
3247 | ||
3248 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
3249 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
3250 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
3251 | ||
3252 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
3253 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
3254 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
3255 | ||
3256 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
3257 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
3258 | ||
3259 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
3260 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
3261 | ||
3262 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
3263 | ext $t12.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
3264 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
3265 | pmull $t11.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
3266 | ||
3267 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
3268 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
3269 | ||
3270 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
3271 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
3272 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
3273 | ||
3274 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
3275 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
3276 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
3277 | ||
3278 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
3279 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
3280 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
3281 | ||
3282 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
3283 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
3284 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
3285 | ||
3286 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
3287 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
3288 | ||
3289 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
3290 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
3291 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
3292 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
3293 | ||
3294 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
3295 | ldr $rk12q, [$cc, #192] @ load rk12 | |
3296 | ||
3297 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
3298 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
3299 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
3300 | ||
3301 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
3302 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
3303 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
3304 | ||
3305 | aese $ctr1b, $rk11 @ AES block 8k+9 - round 11 | |
3306 | aese $ctr7b, $rk11 @ AES block 8k+15 - round 11 | |
3307 | ||
3308 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
3309 | aese $ctr3b, $rk11 @ AES block 8k+11 - round 11 | |
3310 | ||
3311 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
3312 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
3313 | ||
3314 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
3315 | aese $ctr2b, $rk11 @ AES block 8k+10 - round 11 | |
3316 | aese $ctr0b, $rk11 @ AES block 8k+8 - round 11 | |
3317 | ||
3318 | aese $ctr6b, $rk11 @ AES block 8k+14 - round 11 | |
3319 | aese $ctr4b, $rk11 @ AES block 8k+12 - round 11 | |
3320 | aese $ctr5b, $rk11 @ AES block 8k+13 - round 11 | |
3321 | ||
3322 | .L192_enc_tail: @ TAIL | |
3323 | ||
3324 | ldp $h5q, $h56kq, [$current_tag, #128] @ load h5l | h5h | |
3325 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
3326 | sub $main_end_input_ptr, $end_input_ptr, $input_ptr @ main_end_input_ptr is number of bytes left to process | |
3327 | ||
3328 | ldr $ctr_t0q, [$input_ptr], #16 @ AES block 8k+8 - l3ad plaintext | |
3329 | ||
3b5b9199 | 3330 | ldp $h78kq, $h8q, [$current_tag, #192] @ load h8k | h7k |
954f45ba X |
3331 | ext $h8.16b, $h8.16b, $h8.16b, #8 |
3332 | ||
3333 | mov $t1.16b, $rk12 | |
3334 | ||
3335 | ldp $h6q, $h7q, [$current_tag, #160] @ load h6l | h6h | |
3336 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
3337 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
3338 | cmp $main_end_input_ptr, #112 | |
3339 | ||
3340 | eor3 $res1b, $ctr_t0b, $ctr0b, $t1.16b @ AES block 8k+8 - result | |
3341 | ext $t0.16b, $acc_lb, $acc_lb, #8 @ prepare final partial tag | |
3342 | b.gt .L192_enc_blocks_more_than_7 | |
3343 | ||
3344 | cmp $main_end_input_ptr, #96 | |
3345 | mov $ctr7b, $ctr6b | |
3346 | movi $acc_h.8b, #0 | |
3347 | ||
3348 | mov $ctr6b, $ctr5b | |
3349 | movi $acc_l.8b, #0 | |
3350 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
3351 | ||
3352 | mov $ctr5b, $ctr4b | |
3353 | mov $ctr4b, $ctr3b | |
3354 | mov $ctr3b, $ctr2b | |
3355 | ||
3356 | mov $ctr2b, $ctr1b | |
3357 | movi $acc_m.8b, #0 | |
3358 | b.gt .L192_enc_blocks_more_than_6 | |
3359 | ||
3360 | mov $ctr7b, $ctr6b | |
3361 | cmp $main_end_input_ptr, #80 | |
3362 | ||
3363 | mov $ctr6b, $ctr5b | |
3364 | mov $ctr5b, $ctr4b | |
3365 | mov $ctr4b, $ctr3b | |
3366 | ||
3367 | mov $ctr3b, $ctr1b | |
3368 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
3369 | b.gt .L192_enc_blocks_more_than_5 | |
3370 | ||
3371 | cmp $main_end_input_ptr, #64 | |
3372 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
3373 | ||
3374 | mov $ctr7b, $ctr6b | |
3375 | mov $ctr6b, $ctr5b | |
3376 | mov $ctr5b, $ctr4b | |
3377 | ||
3378 | mov $ctr4b, $ctr1b | |
3379 | b.gt .L192_enc_blocks_more_than_4 | |
3380 | ||
3381 | mov $ctr7b, $ctr6b | |
3382 | mov $ctr6b, $ctr5b | |
3383 | mov $ctr5b, $ctr1b | |
3384 | ||
3385 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
3386 | cmp $main_end_input_ptr, #48 | |
3387 | b.gt .L192_enc_blocks_more_than_3 | |
3388 | ||
3389 | mov $ctr7b, $ctr6b | |
3390 | mov $ctr6b, $ctr1b | |
3391 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
3392 | ||
3393 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
3394 | cmp $main_end_input_ptr, #32 | |
3395 | b.gt .L192_enc_blocks_more_than_2 | |
3396 | ||
3397 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
3398 | ||
3399 | cmp $main_end_input_ptr, #16 | |
3400 | mov $ctr7b, $ctr1b | |
3401 | b.gt .L192_enc_blocks_more_than_1 | |
3402 | ||
3403 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
3404 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
3405 | b .L192_enc_blocks_less_than_1 | |
3406 | .L192_enc_blocks_more_than_7: @ blocks left > 7 | |
3407 | st1 { $res1b}, [$output_ptr], #16 @ AES final-7 block - store result | |
3408 | ||
3409 | rev64 $res0b, $res1b @ GHASH final-7 block | |
3410 | ins $acc_m.d[0], $h78k.d[1] @ GHASH final-7 block - mid | |
3411 | ||
3412 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
3413 | ||
3414 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-7 block - mid | |
3415 | ||
3416 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-6 block - load plaintext | |
3417 | ||
3418 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-7 block - mid | |
eb4129e1 | 3419 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
3420 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH final-7 block - low |
3421 | ||
3422 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH final-7 block - high | |
3423 | ||
3424 | pmull $acc_m.1q, $rk4v.1d, $acc_m.1d @ GHASH final-7 block - mid | |
3425 | eor3 $res1b, $ctr_t1b, $ctr1b, $t1.16b @ AES final-6 block - result | |
3426 | .L192_enc_blocks_more_than_6: @ blocks left > 6 | |
3427 | ||
3428 | st1 { $res1b}, [$output_ptr], #16 @ AES final-6 block - store result | |
3429 | ||
3430 | rev64 $res0b, $res1b @ GHASH final-6 block | |
3431 | ||
3432 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-5 block - load plaintext | |
3433 | ||
3434 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
3435 | ||
3436 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-6 block - mid | |
3437 | ||
3438 | pmull $rk3q1, $res0.1d, $h7.1d @ GHASH final-6 block - low | |
3439 | eor3 $res1b, $ctr_t1b, $ctr2b, $t1.16b @ AES final-5 block - result | |
3440 | ||
eb4129e1 | 3441 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
3442 | pmull2 $rk2q1, $res0.2d, $h7.2d @ GHASH final-6 block - high |
3443 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-6 block - mid | |
3444 | ||
3445 | pmull $rk4v.1q, $rk4v.1d, $h78k.1d @ GHASH final-6 block - mid | |
3446 | ||
3447 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-6 block - high | |
3448 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-6 block - low | |
3449 | ||
3450 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-6 block - mid | |
3451 | .L192_enc_blocks_more_than_5: @ blocks left > 5 | |
3452 | ||
3453 | st1 { $res1b}, [$output_ptr], #16 @ AES final-5 block - store result | |
3454 | ||
3455 | rev64 $res0b, $res1b @ GHASH final-5 block | |
3456 | ||
3457 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
3458 | ||
3459 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-5 block - mid | |
3460 | ||
3461 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-4 block - load plaintext | |
3462 | pmull2 $rk2q1, $res0.2d, $h6.2d @ GHASH final-5 block - high | |
3463 | ||
3464 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-5 block - mid | |
3465 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-5 block - high | |
3466 | ||
3467 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-5 block - mid | |
3468 | pmull $rk3q1, $res0.1d, $h6.1d @ GHASH final-5 block - low | |
3469 | ||
3470 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-5 block - low | |
3471 | pmull2 $rk4v.1q, $rk4v.2d, $h56k.2d @ GHASH final-5 block - mid | |
3472 | ||
3473 | eor3 $res1b, $ctr_t1b, $ctr3b, $t1.16b @ AES final-4 block - result | |
eb4129e1 | 3474 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
3475 | |
3476 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-5 block - mid | |
3477 | .L192_enc_blocks_more_than_4: @ blocks left > 4 | |
3478 | ||
3479 | st1 { $res1b}, [$output_ptr], #16 @ AES final-4 block - store result | |
3480 | ||
3481 | rev64 $res0b, $res1b @ GHASH final-4 block | |
3482 | ||
3483 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
3484 | ||
3485 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-3 block - load plaintext | |
3486 | pmull2 $rk2q1, $res0.2d, $h5.2d @ GHASH final-4 block - high | |
3487 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-4 block - mid | |
3488 | ||
3489 | pmull $rk3q1, $res0.1d, $h5.1d @ GHASH final-4 block - low | |
3490 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-4 block - high | |
3491 | ||
3492 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-4 block - mid | |
3493 | ||
eb4129e1 | 3494 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
3495 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-4 block - low |
3496 | ||
3497 | pmull $rk4v.1q, $rk4v.1d, $h56k.1d @ GHASH final-4 block - mid | |
3498 | ||
3499 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-4 block - mid | |
3500 | eor3 $res1b, $ctr_t1b, $ctr4b, $t1.16b @ AES final-3 block - result | |
3501 | .L192_enc_blocks_more_than_3: @ blocks left > 3 | |
3502 | ||
3503 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
3504 | st1 { $res1b}, [$output_ptr], #16 @ AES final-3 block - store result | |
3505 | ||
3506 | rev64 $res0b, $res1b @ GHASH final-3 block | |
3507 | ||
3508 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
eb4129e1 | 3509 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
3510 | |
3511 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-2 block - load plaintext | |
3512 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
3513 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
3514 | ||
3515 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-3 block - mid | |
3516 | ||
3517 | eor3 $res1b, $ctr_t1b, $ctr5b, $t1.16b @ AES final-2 block - result | |
3518 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-3 block - mid | |
3519 | ||
3520 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-3 block - mid | |
3521 | pmull $rk3q1, $res0.1d, $h4.1d @ GHASH final-3 block - low | |
3522 | ||
3523 | pmull2 $rk2q1, $res0.2d, $h4.2d @ GHASH final-3 block - high | |
3524 | pmull2 $rk4v.1q, $rk4v.2d, $h34k.2d @ GHASH final-3 block - mid | |
3525 | ||
3526 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-3 block - low | |
3527 | ||
3528 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-3 block - mid | |
3529 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-3 block - high | |
3530 | .L192_enc_blocks_more_than_2: @ blocks left > 2 | |
3531 | ||
3532 | st1 { $res1b}, [$output_ptr], #16 @ AES final-2 block - store result | |
3533 | ||
3534 | rev64 $res0b, $res1b @ GHASH final-2 block | |
3535 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
3536 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
3537 | ||
3538 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
3539 | ||
3540 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-1 block - load plaintext | |
3541 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-2 block - mid | |
3542 | ||
3543 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-2 block - mid | |
3544 | ||
3545 | pmull $rk3q1, $res0.1d, $h3.1d @ GHASH final-2 block - low | |
3546 | pmull2 $rk2q1, $res0.2d, $h3.2d @ GHASH final-2 block - high | |
eb4129e1 | 3547 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
3548 | |
3549 | pmull $rk4v.1q, $rk4v.1d, $h34k.1d @ GHASH final-2 block - mid | |
3550 | ||
3551 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-2 block - low | |
3552 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-2 block - high | |
3553 | ||
3554 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-2 block - mid | |
3555 | eor3 $res1b, $ctr_t1b, $ctr6b, $t1.16b @ AES final-1 block - result | |
3556 | .L192_enc_blocks_more_than_1: @ blocks left > 1 | |
3557 | ||
3558 | ldr $h2q, [$current_tag, #64] @ load h1l | h1h | |
3559 | ext $h2.16b, $h2.16b, $h2.16b, #8 | |
3560 | st1 { $res1b}, [$output_ptr], #16 @ AES final-1 block - store result | |
3561 | ||
3562 | rev64 $res0b, $res1b @ GHASH final-1 block | |
3563 | ||
3564 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
3565 | ||
3566 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-1 block - mid | |
3567 | pmull $rk3q1, $res0.1d, $h2.1d @ GHASH final-1 block - low | |
3568 | ||
3569 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-1 block - low | |
3570 | pmull2 $rk2q1, $res0.2d, $h2.2d @ GHASH final-1 block - high | |
3571 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-1 block - mid | |
3572 | ||
3573 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final block - load plaintext | |
3574 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
3575 | ||
3576 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-1 block - mid | |
3577 | ||
3578 | eor3 $res1b, $ctr_t1b, $ctr7b, $t1.16b @ AES final block - result | |
3579 | pmull2 $rk4v.1q, $rk4v.2d, $h12k.2d @ GHASH final-1 block - mid | |
3580 | ||
eb4129e1 | 3581 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
3582 | |
3583 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-1 block - mid | |
3584 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-1 block - high | |
3585 | .L192_enc_blocks_less_than_1: @ blocks left <= 1 | |
3586 | ||
3587 | mvn $temp0_x, xzr @ temp0_x = 0xffffffffffffffff | |
3588 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
3589 | ||
3590 | sub $bit_length, $bit_length, #128 @ bit_length -= 128 | |
3591 | ||
3592 | neg $bit_length, $bit_length @ bit_length = 128 - #bits in input (in range [1,128]) | |
3593 | ||
3594 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
3595 | ||
3596 | lsr $temp0_x, $temp0_x, $bit_length @ temp0_x is mask for top 64b of last block | |
3597 | cmp $bit_length, #64 | |
3598 | mvn $temp1_x, xzr @ temp1_x = 0xffffffffffffffff | |
3599 | ||
3600 | csel $temp2_x, $temp1_x, $temp0_x, lt | |
3601 | csel $temp3_x, $temp0_x, xzr, lt | |
3602 | ||
3603 | mov $ctr0.d[1], $temp3_x | |
3604 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
3605 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3606 | ||
3607 | ld1 { $rk0}, [$output_ptr] @ load existing bytes where the possibly partial last block is to be stored | |
3608 | mov $ctr0.d[0], $temp2_x @ ctr0b is mask for last block | |
3609 | ||
3610 | and $res1b, $res1b, $ctr0b @ possibly partial last block has zeroes in highest bits | |
3611 | ||
3612 | rev64 $res0b, $res1b @ GHASH final block | |
3613 | bif $res1b, $rk0, $ctr0b @ insert existing bytes in top end of result before storing | |
3614 | ||
3615 | st1 { $res1b}, [$output_ptr] @ store all 16B | |
3616 | ||
3617 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
3618 | ||
3619 | ins $t0.d[0], $res0.d[1] @ GHASH final block - mid | |
3620 | pmull2 $rk2q1, $res0.2d, $h1.2d @ GHASH final block - high | |
3621 | ||
3622 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final block - high | |
3623 | pmull $rk3q1, $res0.1d, $h1.1d @ GHASH final block - low | |
3624 | ||
3625 | eor $t0.8b, $t0.8b, $res0.8b @ GHASH final block - mid | |
3626 | ||
3627 | pmull $t0.1q, $t0.1d, $h12k.1d @ GHASH final block - mid | |
3628 | ||
3629 | eor $acc_mb, $acc_mb, $t0.16b @ GHASH final block - mid | |
3630 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
3631 | ||
3632 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final block - low | |
3633 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
3634 | ||
3635 | rev32 $rtmp_ctr.16b, $rtmp_ctr.16b | |
3636 | ||
3637 | str $rtmp_ctrq, [$counter] @ store the updated counter | |
3638 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
3639 | ||
3640 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
3641 | ||
3642 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
3643 | ||
3644 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
3645 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
3646 | ||
3647 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
3648 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
3649 | rev64 $acc_lb, $acc_lb | |
3650 | st1 { $acc_l.16b }, [$current_tag] | |
3651 | ||
4596c20b | 3652 | mov x0, $byte_length @ return sizes |
954f45ba X |
3653 | |
3654 | ldp d10, d11, [sp, #16] | |
3655 | ldp d12, d13, [sp, #32] | |
3656 | ldp d14, d15, [sp, #48] | |
3657 | ldp d8, d9, [sp], #80 | |
3658 | ret | |
3659 | ||
3660 | .L192_enc_ret: | |
3661 | mov w0, #0x0 | |
3662 | ret | |
3663 | .size unroll8_eor3_aes_gcm_enc_192_kernel,.-unroll8_eor3_aes_gcm_enc_192_kernel | |
3664 | ___ | |
3665 | ||
3666 | ######################################################################################### | |
6c0ecc2b | 3667 | # size_t unroll8_eor3_aes_gcm_dec_192_kernel(const uint8_t * ciphertext, |
3668 | # uint64_t plaintext_length, | |
3669 | # uint8_t * plaintext, | |
3670 | # uint64_t *Xi, | |
3671 | # unsigned char ivec[16], | |
3672 | # const void *key); | |
954f45ba X |
3673 | # |
3674 | $code.=<<___; | |
3675 | .global unroll8_eor3_aes_gcm_dec_192_kernel | |
3676 | .type unroll8_eor3_aes_gcm_dec_192_kernel,%function | |
3677 | .align 4 | |
3678 | unroll8_eor3_aes_gcm_dec_192_kernel: | |
3679 | AARCH64_VALID_CALL_TARGET | |
3680 | cbz x1, .L192_dec_ret | |
3681 | stp d8, d9, [sp, #-80]! | |
4596c20b | 3682 | lsr $byte_length, $bit_length, #3 |
954f45ba X |
3683 | mov $counter, x4 |
3684 | mov $cc, x5 | |
3685 | stp d10, d11, [sp, #16] | |
3686 | stp d12, d13, [sp, #32] | |
3687 | stp d14, d15, [sp, #48] | |
3688 | mov x5, #0xc200000000000000 | |
3689 | stp x5, xzr, [sp, #64] | |
3690 | add $modulo_constant, sp, #64 | |
3691 | ||
4596c20b | 3692 | mov $main_end_input_ptr, $byte_length |
954f45ba X |
3693 | ld1 { $ctr0b}, [$counter] @ CTR block 0 |
3694 | ld1 { $acc_lb}, [$current_tag] | |
3695 | ||
3696 | mov $constant_temp, #0x100000000 @ set up counter increment | |
3697 | movi $rctr_inc.16b, #0x0 | |
3698 | mov $rctr_inc.d[1], $constant_temp | |
3699 | ||
3700 | rev32 $rtmp_ctr.16b, $ctr0.16b @ set up reversed counter | |
3701 | ||
3702 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 0 | |
3703 | ||
3704 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 1 | |
3705 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 1 | |
3706 | ||
3707 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 2 | |
3708 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 2 | |
3709 | ||
3710 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 3 | |
3711 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 3 | |
3712 | ||
3713 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 4 | |
3714 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 4 | |
3715 | ||
3716 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 5 | |
3717 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 5 | |
3718 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
3719 | ||
3720 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 6 | |
3721 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 6 | |
3722 | ||
3723 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 7 | |
3724 | ||
3725 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 0 | |
3726 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 0 | |
3727 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 0 | |
3728 | ||
3729 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 0 | |
3730 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 0 | |
3731 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 0 | |
3732 | ||
3733 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 0 | |
3734 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 0 | |
3735 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
3736 | ||
3737 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 1 | |
3738 | ||
3739 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 1 | |
3740 | ||
3741 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 1 | |
3742 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 1 | |
3743 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 1 | |
3744 | ||
3745 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 1 | |
3746 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 1 | |
3747 | ||
3748 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 2 | |
3749 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 2 | |
3750 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 1 | |
3751 | ||
3752 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 2 | |
3753 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 2 | |
3754 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 2 | |
3755 | ||
3756 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 2 | |
3757 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 2 | |
3758 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 2 | |
3759 | ||
3760 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 3 | |
3761 | ||
3762 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
3763 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 3 | |
3764 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 3 | |
3765 | ||
3766 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 3 | |
3767 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 3 | |
3768 | ||
3769 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 3 | |
3770 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 3 | |
3771 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 3 | |
3772 | ||
3773 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 4 | |
3774 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 4 | |
3775 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 4 | |
3776 | ||
3777 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 4 | |
3778 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 4 | |
3779 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 4 | |
3780 | ||
3781 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 4 | |
3782 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 5 | |
3783 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 4 | |
3784 | ||
3785 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 5 | |
3786 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
3787 | ||
3788 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 5 | |
3789 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 5 | |
3790 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 5 | |
3791 | ||
3792 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 5 | |
3793 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 5 | |
3794 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 5 | |
3795 | ||
3796 | sub $main_end_input_ptr, $main_end_input_ptr, #1 @ byte_len - 1 | |
3797 | ||
3798 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 6 | |
3799 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 6 | |
3800 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 6 | |
3801 | ||
3802 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 6 | |
3803 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 6 | |
3804 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 6 | |
3805 | ||
3806 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 6 | |
3807 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 6 | |
3808 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
3809 | ||
3810 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 7 | |
3811 | ||
3812 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 7 | |
3813 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 7 | |
3814 | ||
3815 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 7 | |
3816 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 7 | |
3817 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 7 | |
3818 | ||
3819 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 7 | |
3820 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 7 | |
3821 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 7 | |
3822 | ||
3823 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 8 | |
3824 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 8 | |
3825 | and $main_end_input_ptr, $main_end_input_ptr, #0xffffffffffffff80 @ number of bytes to be processed in main loop (at least 1 byte must be handled by tail) | |
3826 | ||
3827 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 8 | |
3828 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 8 | |
3829 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 8 | |
3830 | ||
3831 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 8 | |
3832 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 8 | |
3833 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 8 | |
3834 | ||
3835 | add $end_input_ptr, $input_ptr, $bit_length, lsr #3 @ end_input_ptr | |
3836 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 9 | |
3837 | ||
3838 | ld1 { $acc_lb}, [$current_tag] | |
3839 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
3840 | rev64 $acc_lb, $acc_lb | |
3841 | ||
3842 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
3843 | ||
3844 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 9 | |
3845 | add $main_end_input_ptr, $main_end_input_ptr, $input_ptr | |
3846 | ||
3847 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 9 | |
3848 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 9 | |
3849 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 9 | |
3850 | ||
3851 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
3852 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 9 | |
3853 | ||
3854 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 9 | |
3855 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 9 | |
3856 | ||
3857 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 10 | |
3858 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 10 | |
3859 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 10 | |
3860 | ||
3861 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 10 | |
3862 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 10 | |
3863 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 10 | |
3864 | ||
3865 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 10 | |
3866 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 10 | |
3867 | ldr $rk12q, [$cc, #192] @ load rk12 | |
3868 | ||
3869 | aese $ctr0b, $rk11 @ AES block 0 - round 11 | |
3870 | aese $ctr1b, $rk11 @ AES block 1 - round 11 | |
3871 | aese $ctr4b, $rk11 @ AES block 4 - round 11 | |
3872 | ||
3873 | aese $ctr6b, $rk11 @ AES block 6 - round 11 | |
3874 | aese $ctr5b, $rk11 @ AES block 5 - round 11 | |
3875 | aese $ctr7b, $rk11 @ AES block 7 - round 11 | |
3876 | ||
3877 | aese $ctr2b, $rk11 @ AES block 2 - round 11 | |
3878 | aese $ctr3b, $rk11 @ AES block 3 - round 11 | |
3879 | b.ge .L192_dec_tail @ handle tail | |
3880 | ||
3881 | ldp $res0q, $res1q, [$input_ptr], #32 @ AES block 0, 1 - load ciphertext | |
3882 | ||
3883 | ldp $res2q, $res3q, [$input_ptr], #32 @ AES block 2, 3 - load ciphertext | |
3884 | ||
3885 | ldp $res4q, $res5q, [$input_ptr], #32 @ AES block 4, 5 - load ciphertext | |
3886 | ||
3887 | eor3 $ctr1b, $res1b, $ctr1b, $rk12 @ AES block 1 - result | |
3888 | eor3 $ctr0b, $res0b, $ctr0b, $rk12 @ AES block 0 - result | |
3889 | stp $ctr0q, $ctr1q, [$output_ptr], #32 @ AES block 0, 1 - store result | |
3890 | ||
3891 | rev32 $ctr0.16b, $rtmp_ctr.16b @ CTR block 8 | |
3892 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8 | |
3893 | ||
3894 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 9 | |
3895 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 9 | |
3896 | eor3 $ctr3b, $res3b, $ctr3b, $rk12 @ AES block 3 - result | |
3897 | ||
3898 | eor3 $ctr2b, $res2b, $ctr2b, $rk12 @ AES block 2 - result | |
3899 | stp $ctr2q, $ctr3q, [$output_ptr], #32 @ AES block 2, 3 - store result | |
3900 | ldp $res6q, $res7q, [$input_ptr], #32 @ AES block 6, 7 - load ciphertext | |
3901 | ||
3902 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 10 | |
3903 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 10 | |
3904 | ||
3905 | eor3 $ctr4b, $res4b, $ctr4b, $rk12 @ AES block 4 - result | |
3906 | ||
3907 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 11 | |
3908 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 11 | |
3909 | ||
3910 | eor3 $ctr5b, $res5b, $ctr5b, $rk12 @ AES block 5 - result | |
3911 | stp $ctr4q, $ctr5q, [$output_ptr], #32 @ AES block 4, 5 - store result | |
3912 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
3913 | ||
3914 | eor3 $ctr6b, $res6b, $ctr6b, $rk12 @ AES block 6 - result | |
3915 | eor3 $ctr7b, $res7b, $ctr7b, $rk12 @ AES block 7 - result | |
3916 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 12 | |
3917 | ||
3918 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 12 | |
3919 | stp $ctr6q, $ctr7q, [$output_ptr], #32 @ AES block 6, 7 - store result | |
3920 | b.ge .L192_dec_prepretail @ do prepretail | |
3921 | ||
3922 | .L192_dec_main_loop: @ main loop start | |
3923 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
3924 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
3925 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
3926 | ||
3927 | rev64 $res0b, $res0b @ GHASH block 8k | |
3928 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
3929 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
3930 | ||
3931 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
3932 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
3933 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
3934 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
3935 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
3936 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
3937 | ||
3938 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
3939 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
3940 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
3941 | ||
3942 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
3943 | ||
3944 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
3945 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
3946 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
3947 | ||
3948 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
3949 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
3950 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
3951 | ||
3952 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
3953 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
3954 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
3955 | ||
3956 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
3957 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
3958 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
3959 | ||
3960 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
3961 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
3962 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
3963 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
3964 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
3965 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
3966 | ||
3967 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
3968 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
3969 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
3970 | ||
3971 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
3972 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
3973 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
3974 | ||
3975 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
3976 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
3977 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
3978 | ||
3979 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
3980 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
3981 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
3982 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
3983 | ||
3984 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
3985 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
3986 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
3987 | ||
3988 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
3989 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
3990 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
3991 | ||
3992 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
3993 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
3994 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
3995 | ||
3996 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
3997 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
3998 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
3999 | ||
4000 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
4001 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
4002 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
4003 | ||
4004 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
4005 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
4006 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
4007 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
4008 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
4009 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
4010 | ||
4011 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
4012 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
4013 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
4014 | ||
4015 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
4016 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
4017 | ||
4018 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
4019 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
4020 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
4021 | ||
4022 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
4023 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
4024 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
4025 | ||
4026 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
4027 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
4028 | ||
4029 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
4030 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
4031 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
4032 | ||
4033 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
4034 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
4035 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
4036 | ||
4037 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
4038 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
4039 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
4040 | ||
4041 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
4042 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
4043 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
4044 | ||
4045 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
4046 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
4047 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
4048 | ||
4049 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
4050 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 4051 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
4052 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
4053 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
4054 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
4055 | ||
4056 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
4057 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
4058 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
4059 | ||
4060 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
4061 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
4062 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
4063 | ||
4064 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
4065 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
4066 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
4067 | ||
4068 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
4069 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
4070 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
4071 | ||
4072 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
4073 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
4074 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
4075 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
4076 | ||
4077 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
4078 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
4079 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
4080 | ||
4081 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
4082 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
4083 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
4084 | ||
4085 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
4086 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
4087 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
4088 | ||
4089 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
4090 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
4091 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
4092 | ||
4093 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
4094 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
4095 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
4096 | ||
4097 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
4098 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
4099 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
4100 | ||
4101 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
4102 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
4103 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
4104 | ||
4105 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
4106 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
4107 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
4108 | ||
4109 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
4110 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
4111 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
4112 | ||
4113 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
4114 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
4115 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
4116 | ||
4117 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
4118 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
4119 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
4120 | ||
4121 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
4122 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
4123 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
4124 | ||
4125 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
4126 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
4127 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
4128 | ||
4129 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
4130 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
4131 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
4132 | ||
4133 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
4134 | rev32 $h1.16b, $rtmp_ctr.16b @ CTR block 8k+16 | |
4135 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+16 | |
4136 | ||
4137 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
4138 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
4139 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
4140 | ||
4141 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
4142 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
4143 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
4144 | ||
4145 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
4146 | ldp $res0q, $res1q, [$input_ptr], #32 @ AES block 8k+8, 8k+9 - load ciphertext | |
4147 | ||
4148 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
4149 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
4150 | ldp $res2q, $res3q, [$input_ptr], #32 @ AES block 8k+10, 8k+11 - load ciphertext | |
4151 | ||
4152 | rev32 $h2.16b, $rtmp_ctr.16b @ CTR block 8k+17 | |
4153 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
4154 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+17 | |
4155 | ||
4156 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
4157 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
4158 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
4159 | ||
4160 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
4161 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
4162 | ldp $res4q, $res5q, [$input_ptr], #32 @ AES block 8k+12, 8k+13 - load ciphertext | |
4163 | ||
4164 | rev32 $h3.16b, $rtmp_ctr.16b @ CTR block 8k+18 | |
4165 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+18 | |
4166 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
4167 | ||
4168 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
4169 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
4170 | ldr $rk12q, [$cc, #192] @ load rk12 | |
4171 | ||
4172 | ldp $res6q, $res7q, [$input_ptr], #32 @ AES block 8k+14, 8k+15 - load ciphertext | |
4173 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
4174 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
4175 | ||
4176 | aese $ctr0b, $rk11 @ AES block 8k+8 - round 11 | |
4177 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
4178 | aese $ctr1b, $rk11 @ AES block 8k+9 - round 11 | |
4179 | ||
4180 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
4181 | aese $ctr6b, $rk11 @ AES block 8k+14 - round 11 | |
4182 | aese $ctr3b, $rk11 @ AES block 8k+11 - round 11 | |
4183 | ||
4184 | eor3 $ctr0b, $res0b, $ctr0b, $rk12 @ AES block 8k+8 - result | |
4185 | rev32 $h4.16b, $rtmp_ctr.16b @ CTR block 8k+19 | |
4186 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
4187 | ||
4188 | aese $ctr4b, $rk11 @ AES block 8k+12 - round 11 | |
4189 | aese $ctr2b, $rk11 @ AES block 8k+10 - round 11 | |
4190 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+19 | |
4191 | ||
4192 | aese $ctr7b, $rk11 @ AES block 8k+15 - round 11 | |
4193 | aese $ctr5b, $rk11 @ AES block 8k+13 - round 11 | |
4194 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
4195 | ||
4196 | eor3 $ctr1b, $res1b, $ctr1b, $rk12 @ AES block 8k+9 - result | |
4197 | stp $ctr0q, $ctr1q, [$output_ptr], #32 @ AES block 8k+8, 8k+9 - store result | |
4198 | eor3 $ctr3b, $res3b, $ctr3b, $rk12 @ AES block 8k+11 - result | |
4199 | ||
4200 | eor3 $ctr2b, $res2b, $ctr2b, $rk12 @ AES block 8k+10 - result | |
4201 | eor3 $ctr7b, $res7b, $ctr7b, $rk12 @ AES block 8k+15 - result | |
4202 | stp $ctr2q, $ctr3q, [$output_ptr], #32 @ AES block 8k+10, 8k+11 - store result | |
4203 | ||
4204 | eor3 $ctr5b, $res5b, $ctr5b, $rk12 @ AES block 8k+13 - result | |
4205 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
4206 | mov $ctr3.16b, $h4.16b @ CTR block 8k+19 | |
4207 | ||
4208 | eor3 $ctr4b, $res4b, $ctr4b, $rk12 @ AES block 8k+12 - result | |
4209 | stp $ctr4q, $ctr5q, [$output_ptr], #32 @ AES block 8k+12, 8k+13 - store result | |
4210 | cmp $input_ptr, $main_end_input_ptr @ LOOP CONTROL | |
4211 | ||
4212 | eor3 $ctr6b, $res6b, $ctr6b, $rk12 @ AES block 8k+14 - result | |
4213 | stp $ctr6q, $ctr7q, [$output_ptr], #32 @ AES block 8k+14, 8k+15 - store result | |
4214 | mov $ctr0.16b, $h1.16b @ CTR block 8k+16 | |
4215 | ||
4216 | mov $ctr1.16b, $h2.16b @ CTR block 8k+17 | |
4217 | mov $ctr2.16b, $h3.16b @ CTR block 8k+18 | |
4218 | ||
4219 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 8k+20 | |
4220 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+20 | |
4221 | b.lt .L192_dec_main_loop | |
4222 | ||
4223 | .L192_dec_prepretail: @ PREPRETAIL | |
4224 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
4225 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
4226 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
4227 | ||
4228 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
4229 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
4230 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
4231 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
4232 | rev64 $res0b, $res0b @ GHASH block 8k | |
4233 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
4234 | ||
4235 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
4236 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
4237 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
4238 | ||
4239 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
4240 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
4241 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
4242 | ||
4243 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
4244 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
4245 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
4246 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
4247 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
4248 | ||
4249 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
4250 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
4251 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
4252 | ||
4253 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
4254 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
4255 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
4256 | ||
4257 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
4258 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
4259 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
4260 | ||
4261 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
4262 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
4263 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
4264 | ||
4265 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
4266 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
4267 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
4268 | ||
4269 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
4270 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
4271 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
4272 | ||
4273 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
4274 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
4275 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
4276 | ||
4277 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
4278 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
4279 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
4280 | ||
4281 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
4282 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
4283 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
4284 | ||
4285 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
4286 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
4287 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
4288 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
4289 | ||
4290 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
4291 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
4292 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
4293 | ||
4294 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
4295 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
4296 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
4297 | ||
4298 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
4299 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
4300 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
4301 | ||
4302 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
4303 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
4304 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
4305 | ||
4306 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
4307 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
4308 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
4309 | ||
4310 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
4311 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
4312 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
4313 | ||
4314 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
4315 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
4316 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
4317 | ||
4318 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
4319 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
4320 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
4321 | ||
4322 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
4323 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
4324 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
4325 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
4326 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
4327 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
4328 | ||
4329 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
4330 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 4331 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
4332 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
4333 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
4334 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
4335 | ||
4336 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
4337 | ||
4338 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
4339 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
4340 | ||
4341 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
4342 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
4343 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
4344 | ||
4345 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
4346 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
4347 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
4348 | ||
4349 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
4350 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
4351 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
4352 | ||
4353 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
4354 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
4355 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
4356 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
4357 | ||
4358 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
4359 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
4360 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
4361 | ||
4362 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
4363 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
4364 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
4365 | ||
4366 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
4367 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
4368 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
4369 | ||
4370 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
4371 | ||
4372 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
4373 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
4374 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
4375 | ||
4376 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
4377 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
4378 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
4379 | ||
4380 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
4381 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
4382 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
4383 | ||
4384 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
4385 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
4386 | ||
4387 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
4388 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
4389 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
4390 | ||
4391 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
4392 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
4393 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
4394 | ||
4395 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
4396 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
4397 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
4398 | ||
4399 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
4400 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
4401 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
4402 | ||
4403 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
4404 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
4405 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
4406 | ||
4407 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
4408 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
4409 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
4410 | ||
4411 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
4412 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
4413 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
4414 | ||
4415 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
4416 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
4417 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
4418 | ||
4419 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
4420 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
4421 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
4422 | ||
4423 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
4424 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
4425 | ||
4426 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
4427 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
4428 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
4429 | ||
4430 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
4431 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
4432 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
4433 | ||
4434 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
4435 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
4436 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
4437 | ||
4438 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
4439 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
4440 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
4441 | ||
4442 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
4443 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
4444 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
4445 | ||
4446 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
4447 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
4448 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
4449 | ||
4450 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
4451 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
4452 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
4453 | ||
4454 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
4455 | ldr $rk12q, [$cc, #192] @ load rk12 | |
4456 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
4457 | ||
4458 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
4459 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
4460 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
4461 | ||
4462 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
4463 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
4464 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
4465 | ||
4466 | aese $ctr0b, $rk11 @ AES block 8k+8 - round 11 | |
4467 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
4468 | aese $ctr5b, $rk11 @ AES block 8k+13 - round 11 | |
4469 | ||
4470 | aese $ctr2b, $rk11 @ AES block 8k+10 - round 11 | |
4471 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
4472 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
4473 | ||
4474 | aese $ctr6b, $rk11 @ AES block 8k+14 - round 11 | |
4475 | aese $ctr4b, $rk11 @ AES block 8k+12 - round 11 | |
4476 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
4477 | ||
4478 | aese $ctr3b, $rk11 @ AES block 8k+11 - round 11 | |
4479 | aese $ctr1b, $rk11 @ AES block 8k+9 - round 11 | |
4480 | aese $ctr7b, $rk11 @ AES block 8k+15 - round 11 | |
4481 | ||
4482 | .L192_dec_tail: @ TAIL | |
4483 | ||
4484 | sub $main_end_input_ptr, $end_input_ptr, $input_ptr @ main_end_input_ptr is number of bytes left to process | |
4485 | ||
4486 | ldp $h5q, $h56kq, [$current_tag, #128] @ load h5l | h5h | |
4487 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
4488 | ldr $res1q, [$input_ptr], #16 @ AES block 8k+8 - load ciphertext | |
4489 | ||
3b5b9199 | 4490 | ldp $h78kq, $h8q, [$current_tag, #192] @ load h8k | h7k |
954f45ba X |
4491 | ext $h8.16b, $h8.16b, $h8.16b, #8 |
4492 | ||
4493 | mov $t1.16b, $rk12 | |
4494 | ||
4495 | ldp $h6q, $h7q, [$current_tag, #160] @ load h6l | h6h | |
4496 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
4497 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
4498 | ext $t0.16b, $acc_lb, $acc_lb, #8 @ prepare final partial tag | |
4499 | ||
4500 | eor3 $res4b, $res1b, $ctr0b, $t1.16b @ AES block 8k+8 - result | |
4501 | cmp $main_end_input_ptr, #112 | |
4502 | b.gt .L192_dec_blocks_more_than_7 | |
4503 | ||
4504 | mov $ctr7b, $ctr6b | |
4505 | movi $acc_h.8b, #0 | |
4506 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
4507 | ||
4508 | mov $ctr6b, $ctr5b | |
4509 | mov $ctr5b, $ctr4b | |
4510 | mov $ctr4b, $ctr3b | |
4511 | ||
4512 | cmp $main_end_input_ptr, #96 | |
4513 | movi $acc_l.8b, #0 | |
4514 | mov $ctr3b, $ctr2b | |
4515 | ||
4516 | mov $ctr2b, $ctr1b | |
4517 | movi $acc_m.8b, #0 | |
4518 | b.gt .L192_dec_blocks_more_than_6 | |
4519 | ||
4520 | mov $ctr7b, $ctr6b | |
4521 | mov $ctr6b, $ctr5b | |
4522 | mov $ctr5b, $ctr4b | |
4523 | ||
4524 | mov $ctr4b, $ctr3b | |
4525 | mov $ctr3b, $ctr1b | |
4526 | ||
4527 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
4528 | cmp $main_end_input_ptr, #80 | |
4529 | b.gt .L192_dec_blocks_more_than_5 | |
4530 | ||
4531 | mov $ctr7b, $ctr6b | |
4532 | mov $ctr6b, $ctr5b | |
4533 | ||
4534 | mov $ctr5b, $ctr4b | |
4535 | mov $ctr4b, $ctr1b | |
4536 | cmp $main_end_input_ptr, #64 | |
4537 | ||
4538 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
4539 | b.gt .L192_dec_blocks_more_than_4 | |
4540 | ||
4541 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
4542 | mov $ctr7b, $ctr6b | |
4543 | mov $ctr6b, $ctr5b | |
4544 | ||
4545 | mov $ctr5b, $ctr1b | |
4546 | cmp $main_end_input_ptr, #48 | |
4547 | b.gt .L192_dec_blocks_more_than_3 | |
4548 | ||
4549 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
4550 | mov $ctr7b, $ctr6b | |
4551 | cmp $main_end_input_ptr, #32 | |
4552 | ||
4553 | mov $ctr6b, $ctr1b | |
4554 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
4555 | b.gt .L192_dec_blocks_more_than_2 | |
4556 | ||
4557 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
4558 | ||
4559 | mov $ctr7b, $ctr1b | |
4560 | cmp $main_end_input_ptr, #16 | |
4561 | b.gt .L192_dec_blocks_more_than_1 | |
4562 | ||
4563 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
4564 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
4565 | b .L192_dec_blocks_less_than_1 | |
4566 | .L192_dec_blocks_more_than_7: @ blocks left > 7 | |
4567 | rev64 $res0b, $res1b @ GHASH final-7 block | |
4568 | ||
4569 | ins $acc_m.d[0], $h78k.d[1] @ GHASH final-7 block - mid | |
4570 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
4571 | ||
4572 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH final-7 block - high | |
4573 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-7 block - mid | |
4574 | ldr $res1q, [$input_ptr], #16 @ AES final-6 block - load ciphertext | |
4575 | ||
4576 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH final-7 block - low | |
4577 | ||
4578 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-7 block - mid | |
4579 | st1 { $res4b}, [$output_ptr], #16 @ AES final-7 block - store result | |
4580 | ||
4581 | eor3 $res4b, $res1b, $ctr1b, $t1.16b @ AES final-6 block - result | |
4582 | ||
4583 | pmull $acc_m.1q, $rk4v.1d, $acc_m.1d @ GHASH final-7 block - mid | |
eb4129e1 | 4584 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
4585 | .L192_dec_blocks_more_than_6: @ blocks left > 6 |
4586 | ||
4587 | rev64 $res0b, $res1b @ GHASH final-6 block | |
4588 | ||
4589 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
4590 | ||
4591 | ldr $res1q, [$input_ptr], #16 @ AES final-5 block - load ciphertext | |
4592 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-6 block - mid | |
4593 | ||
4594 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-6 block - mid | |
eb4129e1 | 4595 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
4596 | pmull2 $rk2q1, $res0.2d, $h7.2d @ GHASH final-6 block - high |
4597 | ||
4598 | st1 { $res4b}, [$output_ptr], #16 @ AES final-6 block - store result | |
4599 | eor3 $res4b, $res1b, $ctr2b, $t1.16b @ AES final-5 block - result | |
4600 | ||
4601 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-6 block - high | |
4602 | pmull $rk4v.1q, $rk4v.1d, $h78k.1d @ GHASH final-6 block - mid | |
4603 | pmull $rk3q1, $res0.1d, $h7.1d @ GHASH final-6 block - low | |
4604 | ||
4605 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-6 block - mid | |
4606 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-6 block - low | |
4607 | .L192_dec_blocks_more_than_5: @ blocks left > 5 | |
4608 | ||
4609 | rev64 $res0b, $res1b @ GHASH final-5 block | |
4610 | ||
4611 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
4612 | ||
4613 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-5 block - mid | |
4614 | ||
4615 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-5 block - mid | |
4616 | ||
4617 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-5 block - mid | |
4618 | pmull2 $rk2q1, $res0.2d, $h6.2d @ GHASH final-5 block - high | |
4619 | ||
4620 | ldr $res1q, [$input_ptr], #16 @ AES final-4 block - load ciphertext | |
4621 | ||
4622 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-5 block - high | |
4623 | pmull $rk3q1, $res0.1d, $h6.1d @ GHASH final-5 block - low | |
4624 | ||
4625 | pmull2 $rk4v.1q, $rk4v.2d, $h56k.2d @ GHASH final-5 block - mid | |
4626 | ||
4627 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-5 block - low | |
eb4129e1 | 4628 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
4629 | st1 { $res4b}, [$output_ptr], #16 @ AES final-5 block - store result |
4630 | ||
4631 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-5 block - mid | |
4632 | eor3 $res4b, $res1b, $ctr3b, $t1.16b @ AES final-4 block - result | |
4633 | .L192_dec_blocks_more_than_4: @ blocks left > 4 | |
4634 | ||
4635 | rev64 $res0b, $res1b @ GHASH final-4 block | |
4636 | ||
4637 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
eb4129e1 | 4638 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
4639 | |
4640 | ldr $res1q, [$input_ptr], #16 @ AES final-3 block - load ciphertext | |
4641 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-4 block - mid | |
4642 | pmull $rk3q1, $res0.1d, $h5.1d @ GHASH final-4 block - low | |
4643 | ||
4644 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-4 block - mid | |
4645 | ||
4646 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-4 block - low | |
4647 | ||
4648 | pmull $rk4v.1q, $rk4v.1d, $h56k.1d @ GHASH final-4 block - mid | |
4649 | st1 { $res4b}, [$output_ptr], #16 @ AES final-4 block - store result | |
4650 | pmull2 $rk2q1, $res0.2d, $h5.2d @ GHASH final-4 block - high | |
4651 | ||
4652 | eor3 $res4b, $res1b, $ctr4b, $t1.16b @ AES final-3 block - result | |
4653 | ||
4654 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-4 block - mid | |
4655 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-4 block - high | |
4656 | .L192_dec_blocks_more_than_3: @ blocks left > 3 | |
4657 | ||
4658 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
4659 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
4660 | rev64 $res0b, $res1b @ GHASH final-3 block | |
4661 | ldr $res1q, [$input_ptr], #16 @ AES final-2 block - load ciphertext | |
4662 | ||
4663 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
4664 | ||
4665 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-3 block - mid | |
4666 | pmull2 $rk2q1, $res0.2d, $h4.2d @ GHASH final-3 block - high | |
4667 | ||
4668 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-3 block - high | |
eb4129e1 | 4669 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
4670 | pmull $rk3q1, $res0.1d, $h4.1d @ GHASH final-3 block - low |
4671 | ||
4672 | st1 { $res4b}, [$output_ptr], #16 @ AES final-3 block - store result | |
4673 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-3 block - mid | |
4674 | eor3 $res4b, $res1b, $ctr5b, $t1.16b @ AES final-2 block - result | |
4675 | ||
4676 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-3 block - low | |
4677 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
4678 | ||
4679 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-3 block - mid | |
4680 | ||
4681 | pmull2 $rk4v.1q, $rk4v.2d, $h34k.2d @ GHASH final-3 block - mid | |
4682 | ||
4683 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-3 block - mid | |
4684 | .L192_dec_blocks_more_than_2: @ blocks left > 2 | |
4685 | ||
4686 | rev64 $res0b, $res1b @ GHASH final-2 block | |
4687 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
4688 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
4689 | ||
4690 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
4691 | ||
4692 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-2 block - mid | |
4693 | ldr $res1q, [$input_ptr], #16 @ AES final-1 block - load ciphertext | |
4694 | ||
4695 | pmull2 $rk2q1, $res0.2d, $h3.2d @ GHASH final-2 block - high | |
4696 | ||
4697 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-2 block - mid | |
4698 | ||
4699 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-2 block - high | |
4700 | pmull $rk3q1, $res0.1d, $h3.1d @ GHASH final-2 block - low | |
4701 | ||
4702 | pmull $rk4v.1q, $rk4v.1d, $h34k.1d @ GHASH final-2 block - mid | |
eb4129e1 | 4703 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
4704 | |
4705 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-2 block - low | |
4706 | st1 { $res4b}, [$output_ptr], #16 @ AES final-2 block - store result | |
4707 | ||
4708 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-2 block - mid | |
4709 | eor3 $res4b, $res1b, $ctr6b, $t1.16b @ AES final-1 block - result | |
4710 | .L192_dec_blocks_more_than_1: @ blocks left > 1 | |
4711 | ||
4712 | rev64 $res0b, $res1b @ GHASH final-1 block | |
4713 | ldr $res1q, [$input_ptr], #16 @ AES final block - load ciphertext | |
4714 | ldr $h2q, [$current_tag, #64] @ load h1l | h1h | |
4715 | ext $h2.16b, $h2.16b, $h2.16b, #8 | |
4716 | ||
4717 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
eb4129e1 | 4718 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
4719 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k |
4720 | ||
4721 | pmull $rk3q1, $res0.1d, $h2.1d @ GHASH final-1 block - low | |
4722 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-1 block - mid | |
4723 | st1 { $res4b}, [$output_ptr], #16 @ AES final-1 block - store result | |
4724 | ||
4725 | pmull2 $rk2q1, $res0.2d, $h2.2d @ GHASH final-1 block - high | |
4726 | ||
4727 | eor3 $res4b, $res1b, $ctr7b, $t1.16b @ AES final block - result | |
4728 | ||
4729 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-1 block - mid | |
4730 | ||
4731 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-1 block - mid | |
4732 | ||
4733 | pmull2 $rk4v.1q, $rk4v.2d, $h12k.2d @ GHASH final-1 block - mid | |
4734 | ||
4735 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-1 block - low | |
4736 | ||
4737 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-1 block - mid | |
4738 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-1 block - high | |
4739 | .L192_dec_blocks_less_than_1: @ blocks left <= 1 | |
4740 | ||
4741 | rev32 $rtmp_ctr.16b, $rtmp_ctr.16b | |
4742 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
4743 | ||
4744 | sub $bit_length, $bit_length, #128 @ bit_length -= 128 | |
4745 | str $rtmp_ctrq, [$counter] @ store the updated counter | |
4746 | ||
4747 | neg $bit_length, $bit_length @ bit_length = 128 - #bits in input (in range [1,128]) | |
4748 | mvn $temp0_x, xzr @ temp0_x = 0xffffffffffffffff | |
4749 | ||
4750 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
4751 | ||
4752 | mvn $temp1_x, xzr @ temp1_x = 0xffffffffffffffff | |
4753 | lsr $temp0_x, $temp0_x, $bit_length @ temp0_x is mask for top 64b of last block | |
4754 | cmp $bit_length, #64 | |
4755 | ||
4756 | csel $temp2_x, $temp1_x, $temp0_x, lt | |
4757 | csel $temp3_x, $temp0_x, xzr, lt | |
4758 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
4759 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
4760 | ||
4761 | mov $ctr0.d[1], $temp3_x | |
4762 | ld1 { $rk0}, [$output_ptr] @ load existing bytes where the possibly partial last block is to be stored | |
4763 | ||
4764 | mov $ctr0.d[0], $temp2_x @ ctr0b is mask for last block | |
4765 | ||
4766 | and $res1b, $res1b, $ctr0b @ possibly partial last block has zeroes in highest bits | |
4767 | bif $res4b, $rk0, $ctr0b @ insert existing bytes in top end of result before storing | |
4768 | ||
4769 | rev64 $res0b, $res1b @ GHASH final block | |
4770 | ||
4771 | st1 { $res4b}, [$output_ptr] @ store all 16B | |
4772 | ||
4773 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
4774 | ||
4775 | ins $t0.d[0], $res0.d[1] @ GHASH final block - mid | |
4776 | pmull $rk3q1, $res0.1d, $h1.1d @ GHASH final block - low | |
4777 | ||
4778 | eor $t0.8b, $t0.8b, $res0.8b @ GHASH final block - mid | |
4779 | pmull2 $rk2q1, $res0.2d, $h1.2d @ GHASH final block - high | |
4780 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final block - low | |
4781 | ||
4782 | pmull $t0.1q, $t0.1d, $h12k.1d @ GHASH final block - mid | |
4783 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final block - high | |
4784 | ||
4785 | eor $t10.16b, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
4786 | eor $acc_mb, $acc_mb, $t0.16b @ GHASH final block - mid | |
4787 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
4788 | ||
4789 | pmull $t11.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
4790 | ext $acc_hb, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
4791 | ||
4792 | eor $acc_mb, $acc_mb, $t10.16b @ MODULO - karatsuba tidy up | |
4793 | ||
4794 | eor3 $acc_mb, $acc_mb, $acc_hb, $t11.16b @ MODULO - fold into mid | |
4795 | ||
4796 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
4797 | ext $acc_mb, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
4798 | ||
4799 | eor3 $acc_lb, $acc_lb, $acc_mb, $acc_hb @ MODULO - fold into low | |
4800 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
4801 | rev64 $acc_lb, $acc_lb | |
4802 | st1 { $acc_l.16b }, [$current_tag] | |
4803 | ||
4596c20b TC |
4804 | mov x0, $byte_length |
4805 | ||
954f45ba X |
4806 | ldp d10, d11, [sp, #16] |
4807 | ldp d12, d13, [sp, #32] | |
4808 | ldp d14, d15, [sp, #48] | |
4809 | ldp d8, d9, [sp], #80 | |
4810 | ret | |
4811 | ||
4812 | .L192_dec_ret: | |
4813 | mov w0, #0x0 | |
4814 | ret | |
4815 | .size unroll8_eor3_aes_gcm_dec_192_kernel,.-unroll8_eor3_aes_gcm_dec_192_kernel | |
4816 | ___ | |
4817 | } | |
4818 | ||
4819 | { | |
4820 | ||
4821 | my ($end_input_ptr,$main_end_input_ptr,$temp0_x,$temp1_x)=map("x$_",(4..7)); | |
4822 | my ($temp2_x,$temp3_x)=map("x$_",(13..14)); | |
4823 | my ($ctr0b,$ctr1b,$ctr2b,$ctr3b,$ctr4b,$ctr5b,$ctr6b,$ctr7b,$res0b,$res1b,$res2b,$res3b,$res4b,$res5b,$res6b,$res7b)=map("v$_.16b",(0..15)); | |
4824 | my ($ctr0,$ctr1,$ctr2,$ctr3,$ctr4,$ctr5,$ctr6,$ctr7,$res0,$res1,$res2,$res3,$res4,$res5,$res6,$res7)=map("v$_",(0..15)); | |
4825 | my ($ctr0d,$ctr1d,$ctr2d,$ctr3d,$ctr4d,$ctr5d,$ctr6d,$ctr7d)=map("d$_",(0..7)); | |
4826 | my ($ctr0q,$ctr1q,$ctr2q,$ctr3q,$ctr4q,$ctr5q,$ctr6q,$ctr7q)=map("q$_",(0..7)); | |
4827 | my ($res0q,$res1q,$res2q,$res3q,$res4q,$res5q,$res6q,$res7q)=map("q$_",(8..15)); | |
4828 | ||
4829 | my ($ctr_t0,$ctr_t1,$ctr_t2,$ctr_t3,$ctr_t4,$ctr_t5,$ctr_t6,$ctr_t7)=map("v$_",(8..15)); | |
4830 | my ($ctr_t0b,$ctr_t1b,$ctr_t2b,$ctr_t3b,$ctr_t4b,$ctr_t5b,$ctr_t6b,$ctr_t7b)=map("v$_.16b",(8..15)); | |
4831 | my ($ctr_t0q,$ctr_t1q,$ctr_t2q,$ctr_t3q,$ctr_t4q,$ctr_t5q,$ctr_t6q,$ctr_t7q)=map("q$_",(8..15)); | |
4832 | ||
4833 | my ($acc_hb,$acc_mb,$acc_lb)=map("v$_.16b",(17..19)); | |
4834 | my ($acc_h,$acc_m,$acc_l)=map("v$_",(17..19)); | |
4835 | ||
4836 | my ($h1,$h12k,$h2,$h3,$h34k,$h4)=map("v$_",(20..25)); | |
4837 | my ($h5,$h56k,$h6,$h7,$h78k,$h8)=map("v$_",(20..25)); | |
4838 | my ($h1q,$h12kq,$h2q,$h3q,$h34kq,$h4q)=map("q$_",(20..25)); | |
4839 | my ($h5q,$h56kq,$h6q,$h7q,$h78kq,$h8q)=map("q$_",(20..25)); | |
4840 | ||
4841 | my $t0="v16"; | |
4842 | my $t0d="d16"; | |
4843 | ||
4844 | my $t1="v29"; | |
4845 | my $t2=$res1; | |
4846 | my $t3=$t1; | |
4847 | ||
4848 | my $t4=$res0; | |
4849 | my $t5=$res2; | |
4850 | my $t6=$t0; | |
4851 | ||
4852 | my $t7=$res3; | |
4853 | my $t8=$res4; | |
4854 | my $t9=$res5; | |
4855 | ||
4856 | my $t10=$res6; | |
4857 | my $t11="v21"; | |
4858 | my $t12=$t1; | |
4859 | ||
4860 | my $rtmp_ctr="v30"; | |
4861 | my $rtmp_ctrq="q30"; | |
4862 | my $rctr_inc="v31"; | |
4863 | my $rctr_incd="d31"; | |
4864 | ||
4865 | my $mod_constantd=$t0d; | |
4866 | my $mod_constant=$t0; | |
4867 | ||
4868 | my ($rk0,$rk1,$rk2)=map("v$_.16b",(26..28)); | |
4869 | my ($rk3,$rk4,$rk5)=map("v$_.16b",(26..28)); | |
4870 | my ($rk6,$rk7,$rk8)=map("v$_.16b",(26..28)); | |
4871 | my ($rk9,$rk10,$rk11)=map("v$_.16b",(26..28)); | |
4872 | my ($rk12,$rk13,$rk14)=map("v$_.16b",(26..28)); | |
4873 | my ($rk0q,$rk1q,$rk2q)=map("q$_",(26..28)); | |
4874 | my ($rk3q,$rk4q,$rk5q)=map("q$_",(26..28)); | |
4875 | my ($rk6q,$rk7q,$rk8q)=map("q$_",(26..28)); | |
4876 | my ($rk9q,$rk10q,$rk11q)=map("q$_",(26..28)); | |
4877 | my ($rk12q,$rk13q,$rk14q)=map("q$_",(26..28)); | |
4878 | my $rk2q1="v28.1q"; | |
4879 | my $rk3q1="v26.1q"; | |
4880 | my $rk4v="v27"; | |
4881 | ######################################################################################### | |
6c0ecc2b | 4882 | # size_t unroll8_eor3_aes_gcm_enc_256_kernel(const uint8_t * plaintext, |
4883 | # uint64_t plaintext_length, | |
4884 | # uint8_t * ciphertext, | |
4885 | # uint64_t *Xi, | |
4886 | # unsigned char ivec[16], | |
4887 | # const void *key); | |
954f45ba X |
4888 | # |
4889 | $code.=<<___; | |
4890 | .global unroll8_eor3_aes_gcm_enc_256_kernel | |
4891 | .type unroll8_eor3_aes_gcm_enc_256_kernel,%function | |
4892 | .align 4 | |
4893 | unroll8_eor3_aes_gcm_enc_256_kernel: | |
4894 | AARCH64_VALID_CALL_TARGET | |
4895 | cbz x1, .L256_enc_ret | |
4896 | stp d8, d9, [sp, #-80]! | |
4596c20b | 4897 | lsr $byte_length, $bit_length, #3 |
954f45ba X |
4898 | mov $counter, x4 |
4899 | mov $cc, x5 | |
4900 | stp d10, d11, [sp, #16] | |
4901 | stp d12, d13, [sp, #32] | |
4902 | stp d14, d15, [sp, #48] | |
4903 | mov x5, #0xc200000000000000 | |
4904 | stp x5, xzr, [sp, #64] | |
4905 | add $modulo_constant, sp, #64 | |
4906 | ||
4907 | ld1 { $ctr0b}, [$counter] @ CTR block 0 | |
4908 | ||
4596c20b | 4909 | mov $main_end_input_ptr, $byte_length |
954f45ba X |
4910 | |
4911 | mov $constant_temp, #0x100000000 @ set up counter increment | |
4912 | movi $rctr_inc.16b, #0x0 | |
4913 | mov $rctr_inc.d[1], $constant_temp | |
4914 | sub $main_end_input_ptr, $main_end_input_ptr, #1 @ byte_len - 1 | |
4915 | ||
4916 | and $main_end_input_ptr, $main_end_input_ptr, #0xffffffffffffff80 @ number of bytes to be processed in main loop (at least 1 byte must be handled by tail) | |
4917 | ||
4918 | add $main_end_input_ptr, $main_end_input_ptr, $input_ptr | |
4919 | ||
4920 | rev32 $rtmp_ctr.16b, $ctr0.16b @ set up reversed counter | |
4921 | ||
4922 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 0 | |
4923 | ||
4924 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 1 | |
4925 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 1 | |
4926 | ||
4927 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 2 | |
4928 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 2 | |
4929 | ||
4930 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 3 | |
4931 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 3 | |
4932 | ||
4933 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 4 | |
4934 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 4 | |
4935 | ||
4936 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 5 | |
4937 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 5 | |
4938 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
4939 | ||
4940 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 6 | |
4941 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 6 | |
4942 | ||
4943 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 7 | |
4944 | ||
4945 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 0 | |
4946 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 0 | |
4947 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 0 | |
4948 | ||
4949 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 0 | |
4950 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 0 | |
4951 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 0 | |
4952 | ||
4953 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 0 | |
4954 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 0 | |
4955 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
4956 | ||
4957 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 1 | |
4958 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 1 | |
4959 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 1 | |
4960 | ||
4961 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 1 | |
4962 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 1 | |
4963 | ||
4964 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 1 | |
4965 | ||
4966 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 1 | |
4967 | ||
4968 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 2 | |
4969 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 2 | |
4970 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 1 | |
4971 | ||
4972 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 2 | |
4973 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 2 | |
4974 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 2 | |
4975 | ||
4976 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 2 | |
4977 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 2 | |
4978 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 2 | |
4979 | ||
4980 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 3 | |
4981 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 3 | |
4982 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
4983 | ||
4984 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 3 | |
4985 | ||
4986 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 3 | |
4987 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 3 | |
4988 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 3 | |
4989 | ||
4990 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 3 | |
4991 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 3 | |
4992 | ||
4993 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 4 | |
4994 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 4 | |
4995 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 4 | |
4996 | ||
4997 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 4 | |
4998 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 4 | |
4999 | ||
5000 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 4 | |
5001 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 4 | |
5002 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 4 | |
5003 | ||
5004 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 5 | |
5005 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 5 | |
5006 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
5007 | ||
5008 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 5 | |
5009 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 5 | |
5010 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 5 | |
5011 | ||
5012 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 5 | |
5013 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 5 | |
5014 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 5 | |
5015 | ||
5016 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 6 | |
5017 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 6 | |
5018 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 6 | |
5019 | ||
5020 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 6 | |
5021 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 6 | |
5022 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 6 | |
5023 | ||
5024 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 6 | |
5025 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 6 | |
5026 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
5027 | ||
5028 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 7 | |
5029 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 7 | |
5030 | ||
5031 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 7 | |
5032 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 7 | |
5033 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 7 | |
5034 | ||
5035 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 7 | |
5036 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 7 | |
5037 | ||
5038 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 7 | |
5039 | ||
5040 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 8 | |
5041 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 8 | |
5042 | ||
5043 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 8 | |
5044 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 8 | |
5045 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 8 | |
5046 | ||
5047 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 8 | |
5048 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 8 | |
5049 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 8 | |
5050 | ||
5051 | ld1 { $acc_lb}, [$current_tag] | |
5052 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
5053 | rev64 $acc_lb, $acc_lb | |
5054 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
5055 | ||
5056 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 9 | |
5057 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 9 | |
5058 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 9 | |
5059 | ||
5060 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 9 | |
5061 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 9 | |
5062 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 9 | |
5063 | ||
5064 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 9 | |
5065 | ||
5066 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 10 | |
5067 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 10 | |
5068 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 9 | |
5069 | ||
5070 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 10 | |
5071 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 10 | |
5072 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 10 | |
5073 | ||
5074 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 10 | |
5075 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 10 | |
5076 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 10 | |
5077 | ||
5078 | aese $ctr4b, $rk11 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 11 | |
5079 | ldp $rk12q, $rk13q, [$cc, #192] @ load rk12, rk13 | |
5080 | aese $ctr5b, $rk11 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 11 | |
5081 | ||
5082 | aese $ctr2b, $rk11 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 11 | |
5083 | aese $ctr6b, $rk11 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 11 | |
5084 | aese $ctr1b, $rk11 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 11 | |
5085 | ||
5086 | aese $ctr0b, $rk11 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 11 | |
5087 | aese $ctr3b, $rk11 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 11 | |
5088 | aese $ctr7b, $rk11 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 11 | |
5089 | ||
5090 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 7 | |
5091 | ldr $rk14q, [$cc, #224] @ load rk14 | |
5092 | ||
5093 | aese $ctr4b, $rk12 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 12 | |
5094 | aese $ctr2b, $rk12 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 12 | |
5095 | aese $ctr1b, $rk12 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 12 | |
5096 | ||
5097 | aese $ctr0b, $rk12 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 12 | |
5098 | aese $ctr5b, $rk12 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 12 | |
5099 | aese $ctr3b, $rk12 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 12 | |
5100 | ||
5101 | aese $ctr2b, $rk13 @ AES block 2 - round 13 | |
5102 | aese $ctr1b, $rk13 @ AES block 1 - round 13 | |
5103 | aese $ctr4b, $rk13 @ AES block 4 - round 13 | |
5104 | ||
5105 | aese $ctr6b, $rk12 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 12 | |
5106 | aese $ctr7b, $rk12 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 12 | |
5107 | ||
5108 | aese $ctr0b, $rk13 @ AES block 0 - round 13 | |
5109 | aese $ctr5b, $rk13 @ AES block 5 - round 13 | |
5110 | ||
5111 | aese $ctr6b, $rk13 @ AES block 6 - round 13 | |
5112 | aese $ctr7b, $rk13 @ AES block 7 - round 13 | |
5113 | aese $ctr3b, $rk13 @ AES block 3 - round 13 | |
5114 | ||
5115 | add $end_input_ptr, $input_ptr, $bit_length, lsr #3 @ end_input_ptr | |
5116 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
5117 | b.ge .L256_enc_tail @ handle tail | |
5118 | ||
5119 | ldp $ctr_t0q, $ctr_t1q, [$input_ptr], #32 @ AES block 0, 1 - load plaintext | |
5120 | ||
5121 | ldp $ctr_t2q, $ctr_t3q, [$input_ptr], #32 @ AES block 2, 3 - load plaintext | |
5122 | ||
5123 | eor3 $res0b, $ctr_t0b, $ctr0b, $rk14 @ AES block 0 - result | |
5124 | rev32 $ctr0.16b, $rtmp_ctr.16b @ CTR block 8 | |
5125 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8 | |
5126 | ||
5127 | eor3 $res1b, $ctr_t1b, $ctr1b, $rk14 @ AES block 1 - result | |
5128 | eor3 $res3b, $ctr_t3b, $ctr3b, $rk14 @ AES block 3 - result | |
5129 | ||
5130 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 9 | |
5131 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 9 | |
5132 | ldp $ctr_t4q, $ctr_t5q, [$input_ptr], #32 @ AES block 4, 5 - load plaintext | |
5133 | ||
5134 | ldp $ctr_t6q, $ctr_t7q, [$input_ptr], #32 @ AES block 6, 7 - load plaintext | |
5135 | eor3 $res2b, $ctr_t2b, $ctr2b, $rk14 @ AES block 2 - result | |
5136 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
5137 | ||
5138 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 10 | |
5139 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 10 | |
5140 | stp $res0q, $res1q, [$output_ptr], #32 @ AES block 0, 1 - store result | |
5141 | ||
5142 | stp $res2q, $res3q, [$output_ptr], #32 @ AES block 2, 3 - store result | |
5143 | ||
5144 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 11 | |
5145 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 11 | |
5146 | ||
5147 | eor3 $res4b, $ctr_t4b, $ctr4b, $rk14 @ AES block 4 - result | |
5148 | ||
5149 | eor3 $res7b, $ctr_t7b, $ctr7b, $rk14 @ AES block 7 - result | |
5150 | eor3 $res6b, $ctr_t6b, $ctr6b, $rk14 @ AES block 6 - result | |
5151 | eor3 $res5b, $ctr_t5b, $ctr5b, $rk14 @ AES block 5 - result | |
5152 | ||
5153 | stp $res4q, $res5q, [$output_ptr], #32 @ AES block 4, 5 - store result | |
5154 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 12 | |
5155 | ||
5156 | stp $res6q, $res7q, [$output_ptr], #32 @ AES block 6, 7 - store result | |
5157 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 12 | |
5158 | b.ge .L256_enc_prepretail @ do prepretail | |
5159 | ||
5160 | .L256_enc_main_loop: @ main loop start | |
5161 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
5162 | ||
5163 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
5164 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
5165 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
5166 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
5167 | ||
5168 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
5169 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
5170 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
5171 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
5172 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
5173 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
5174 | ||
5175 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
5176 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
5177 | rev64 $res0b, $res0b @ GHASH block 8k | |
5178 | ||
5179 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
5180 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
5181 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
5182 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
5183 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
5184 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
5185 | ||
5186 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
5187 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
5188 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
5189 | ||
5190 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
5191 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
5192 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
5193 | ||
5194 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
5195 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
5196 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
5197 | ||
5198 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
5199 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
5200 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
5201 | ||
5202 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
5203 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
5204 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
5205 | ||
5206 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
5207 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
5208 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
5209 | ||
5210 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
5211 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
5212 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
5213 | ||
5214 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
5215 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
5216 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
5217 | ||
5218 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
5219 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
5220 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
5221 | ||
5222 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
5223 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
5224 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
5225 | ||
5226 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
5227 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
5228 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
5229 | ||
5230 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
5231 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
5232 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
5233 | ||
5234 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
5235 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
5236 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
5237 | ||
5238 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
5239 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
5240 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
5241 | ||
5242 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
5243 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
5244 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
5245 | ||
5246 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
5247 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
5248 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
5249 | ||
5250 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
5251 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
5252 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
5253 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
5254 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
5255 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
5256 | ||
5257 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
5258 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
5259 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
5260 | ||
5261 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
5262 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
5263 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
5264 | ||
5265 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
5266 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
5267 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
5268 | ||
5269 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
5270 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
5271 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
5272 | ||
5273 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
5274 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
5275 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
5276 | ||
5277 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
5278 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
5279 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
5280 | ||
5281 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
5282 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
5283 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
5284 | ||
5285 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
5286 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
5287 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
5288 | ||
5289 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
5290 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
5291 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
5292 | ||
5293 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
5294 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
5295 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
5296 | ||
5297 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
5298 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
5299 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
5300 | ||
5301 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
5302 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
5303 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
5304 | ||
5305 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
5306 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
5307 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
5308 | ||
5309 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
5310 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
5311 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
5312 | ||
5313 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
5314 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 5315 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
5316 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
5317 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
5318 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
5319 | ||
5320 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
5321 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
5322 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
5323 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
5324 | ||
5325 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
5326 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
5327 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
5328 | ||
5329 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
5330 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
5331 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
5332 | ||
5333 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
5334 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
5335 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
5336 | ||
5337 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
5338 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
5339 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
5340 | ||
5341 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
5342 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
5343 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
5344 | ||
5345 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
5346 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
5347 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
5348 | ||
5349 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
5350 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
5351 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
5352 | ||
5353 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
5354 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
5355 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
5356 | ||
5357 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
5358 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
5359 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
5360 | ||
5361 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
5362 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
5363 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
5364 | ||
5365 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
5366 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
5367 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
5368 | ||
5369 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
5370 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
5371 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
5372 | ||
5373 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
5374 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
5375 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
5376 | ||
5377 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
5378 | ||
5379 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
5380 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
5381 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
5382 | ||
5383 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
5384 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
5385 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
5386 | ||
5387 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
5388 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
5389 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
5390 | ||
5391 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
5392 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
5393 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
5394 | ||
5395 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
5396 | ||
5397 | ldp $rk12q, $rk13q, [$cc, #192] @ load rk12, rk13 | |
5398 | rev32 $h1.16b, $rtmp_ctr.16b @ CTR block 8k+16 | |
5399 | ||
5400 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
5401 | ldp $ctr_t0q, $ctr_t1q, [$input_ptr], #32 @ AES block 8k+8, 8k+9 - load plaintext | |
5402 | aese $ctr2b, $rk11 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 11 | |
5403 | ||
5404 | aese $ctr6b, $rk11 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 11 | |
5405 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+16 | |
5406 | aese $ctr3b, $rk11 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 11 | |
5407 | ||
5408 | aese $ctr0b, $rk11 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 11 | |
5409 | aese $ctr7b, $rk11 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 11 | |
5410 | ||
5411 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
5412 | aese $ctr1b, $rk11 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 11 | |
5413 | ||
5414 | aese $ctr7b, $rk12 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 12 | |
5415 | aese $ctr5b, $rk11 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 11 | |
5416 | ||
5417 | aese $ctr3b, $rk12 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 12 | |
5418 | aese $ctr6b, $rk12 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 12 | |
5419 | rev32 $h2.16b, $rtmp_ctr.16b @ CTR block 8k+17 | |
5420 | ||
5421 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+17 | |
5422 | aese $ctr4b, $rk11 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 11 | |
5423 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
5424 | ||
5425 | aese $ctr5b, $rk12 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 12 | |
5426 | ldr $rk14q, [$cc, #224] @ load rk14 | |
5427 | aese $ctr7b, $rk13 @ AES block 8k+15 - round 13 | |
5428 | ||
5429 | ldp $ctr_t2q, $ctr_t3q, [$input_ptr], #32 @ AES block 8k+10, 8k+11 - load plaintext | |
5430 | aese $ctr2b, $rk12 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 12 | |
5431 | aese $ctr4b, $rk12 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 12 | |
5432 | ||
5433 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
5434 | aese $ctr1b, $rk12 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 12 | |
5435 | ldp $ctr_t4q, $ctr_t5q, [$input_ptr], #32 @ AES block 4, 5 - load plaintext | |
5436 | ||
5437 | ldp $ctr_t6q, $ctr_t7q, [$input_ptr], #32 @ AES block 6, 7 - load plaintext | |
5438 | aese $ctr2b, $rk13 @ AES block 8k+10 - round 13 | |
5439 | aese $ctr4b, $rk13 @ AES block 8k+12 - round 13 | |
5440 | ||
5441 | rev32 $h3.16b, $rtmp_ctr.16b @ CTR block 8k+18 | |
5442 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+18 | |
5443 | aese $ctr5b, $rk13 @ AES block 8k+13 - round 13 | |
5444 | ||
5445 | aese $ctr0b, $rk12 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 12 | |
5446 | aese $ctr3b, $rk13 @ AES block 8k+11 - round 13 | |
5447 | cmp $input_ptr, $main_end_input_ptr @ LOOP CONTROL | |
5448 | ||
5449 | eor3 $res2b, $ctr_t2b, $ctr2b, $rk14 @ AES block 8k+10 - result | |
5450 | rev32 $h4.16b, $rtmp_ctr.16b @ CTR block 8k+19 | |
5451 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+19 | |
5452 | ||
5453 | aese $ctr0b, $rk13 @ AES block 8k+8 - round 13 | |
5454 | aese $ctr6b, $rk13 @ AES block 8k+14 - round 13 | |
5455 | eor3 $res5b, $ctr_t5b, $ctr5b, $rk14 @ AES block 5 - result | |
5456 | ||
5457 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
5458 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
5459 | aese $ctr1b, $rk13 @ AES block 8k+9 - round 13 | |
5460 | ||
5461 | eor3 $res4b, $ctr_t4b, $ctr4b, $rk14 @ AES block 4 - result | |
5462 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 8k+20 | |
5463 | eor3 $res3b, $ctr_t3b, $ctr3b, $rk14 @ AES block 8k+11 - result | |
5464 | ||
5465 | mov $ctr3.16b, $h4.16b @ CTR block 8k+19 | |
5466 | eor3 $res1b, $ctr_t1b, $ctr1b, $rk14 @ AES block 8k+9 - result | |
5467 | eor3 $res0b, $ctr_t0b, $ctr0b, $rk14 @ AES block 8k+8 - result | |
5468 | ||
5469 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+20 | |
5470 | stp $res0q, $res1q, [$output_ptr], #32 @ AES block 8k+8, 8k+9 - store result | |
5471 | mov $ctr2.16b, $h3.16b @ CTR block 8k+18 | |
5472 | ||
5473 | eor3 $res7b, $ctr_t7b, $ctr7b, $rk14 @ AES block 7 - result | |
5474 | eor3 $acc_lb, $acc_lb, $t11.16b, $acc_hb @ MODULO - fold into low | |
5475 | stp $res2q, $res3q, [$output_ptr], #32 @ AES block 8k+10, 8k+11 - store result | |
5476 | ||
5477 | eor3 $res6b, $ctr_t6b, $ctr6b, $rk14 @ AES block 6 - result | |
5478 | mov $ctr1.16b, $h2.16b @ CTR block 8k+17 | |
5479 | stp $res4q, $res5q, [$output_ptr], #32 @ AES block 4, 5 - store result | |
5480 | ||
5481 | stp $res6q, $res7q, [$output_ptr], #32 @ AES block 6, 7 - store result | |
5482 | mov $ctr0.16b, $h1.16b @ CTR block 8k+16 | |
5483 | b.lt .L256_enc_main_loop | |
5484 | ||
5485 | .L256_enc_prepretail: @ PREPRETAIL | |
5486 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
5487 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
5488 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
5489 | ||
5490 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
5491 | ||
5492 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
5493 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
5494 | ||
5495 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
5496 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
5497 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
5498 | ||
5499 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
5500 | ||
5501 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
5502 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
5503 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
5504 | ||
5505 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
5506 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
5507 | ||
5508 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
5509 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
5510 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
5511 | ||
5512 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
5513 | rev64 $res0b, $res0b @ GHASH block 8k | |
5514 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
5515 | ||
5516 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
5517 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
5518 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
5519 | ||
5520 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
5521 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
5522 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
5523 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
5524 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
5525 | ||
5526 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
5527 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
5528 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
5529 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
5530 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
5531 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
5532 | ||
5533 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
5534 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
5535 | ||
5536 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
5537 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
5538 | ||
5539 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
5540 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
5541 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
5542 | ||
5543 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
5544 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
5545 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
5546 | ||
5547 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
5548 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
5549 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
5550 | ||
5551 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
5552 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
5553 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
5554 | ||
5555 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
5556 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
5557 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
5558 | ||
5559 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
5560 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
5561 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
5562 | ||
5563 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
5564 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
5565 | ||
5566 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
5567 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
5568 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
5569 | ||
5570 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
5571 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
5572 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
5573 | ||
5574 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
5575 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
5576 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
5577 | ||
5578 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
5579 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
5580 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
5581 | ||
5582 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
5583 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
5584 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
5585 | ||
5586 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
5587 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
5588 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
5589 | ||
5590 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
5591 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
5592 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
5593 | ||
5594 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
5595 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
5596 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
5597 | ||
5598 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
5599 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
5600 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
5601 | ||
5602 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
5603 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
5604 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
5605 | ||
5606 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
5607 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
5608 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
5609 | ||
5610 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
5611 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
5612 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
5613 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
5614 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
5615 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
5616 | ||
5617 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
5618 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
5619 | ||
5620 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
5621 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
5622 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
5623 | ||
5624 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
5625 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
5626 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
5627 | ||
5628 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
5629 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
5630 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
5631 | ||
5632 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
5633 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
5634 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
5635 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
5636 | ||
5637 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
5638 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
5639 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
5640 | ||
5641 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
5642 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
5643 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
5644 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 5645 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
5646 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
5647 | ||
5648 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
5649 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
5650 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
5651 | ||
5652 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
5653 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
5654 | ||
5655 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
5656 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
5657 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
5658 | ||
5659 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
5660 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
5661 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
5662 | ||
5663 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
5664 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
5665 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
5666 | ||
5667 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
5668 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
5669 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
5670 | ||
5671 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
5672 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
5673 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
5674 | ||
5675 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
5676 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
5677 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
5678 | ||
5679 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
5680 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
5681 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
5682 | ||
5683 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
5684 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
5685 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
5686 | ||
5687 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
5688 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
5689 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
5690 | ||
5691 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
5692 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
5693 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
5694 | ||
5695 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
5696 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
5697 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
5698 | ||
5699 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
5700 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
5701 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
5702 | ||
5703 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
5704 | ||
5705 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
5706 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
5707 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
5708 | ||
5709 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
5710 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
5711 | ||
5712 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
5713 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
5714 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
5715 | ||
5716 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
5717 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
5718 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
5719 | ||
5720 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
5721 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
5722 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
5723 | ||
5724 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
5725 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
5726 | aese $ctr7b, $rk11 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 11 | |
5727 | ||
5728 | ldp $rk12q, $rk13q, [$cc, #192] @ load rk12, rk13 | |
5729 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
5730 | aese $ctr2b, $rk11 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 11 | |
5731 | ||
5732 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
5733 | aese $ctr1b, $rk11 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 11 | |
5734 | aese $ctr6b, $rk11 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 11 | |
5735 | ||
5736 | aese $ctr0b, $rk11 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 11 | |
5737 | aese $ctr4b, $rk11 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 11 | |
5738 | aese $ctr5b, $rk11 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 11 | |
5739 | ||
5740 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
5741 | aese $ctr3b, $rk11 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 11 | |
5742 | ldr $rk14q, [$cc, #224] @ load rk14 | |
5743 | ||
5744 | aese $ctr1b, $rk12 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 12 | |
5745 | aese $ctr2b, $rk12 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 12 | |
5746 | aese $ctr0b, $rk12 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 12 | |
5747 | ||
5748 | aese $ctr6b, $rk12 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 12 | |
5749 | aese $ctr5b, $rk12 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 12 | |
5750 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
5751 | ||
5752 | aese $ctr4b, $rk12 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 12 | |
5753 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
5754 | ||
5755 | aese $ctr3b, $rk12 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 12 | |
5756 | aese $ctr7b, $rk12 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 12 | |
5757 | aese $ctr0b, $rk13 @ AES block 8k+8 - round 13 | |
5758 | ||
5759 | eor3 $acc_lb, $acc_lb, $t11.16b, $acc_hb @ MODULO - fold into low | |
5760 | aese $ctr5b, $rk13 @ AES block 8k+13 - round 13 | |
5761 | aese $ctr1b, $rk13 @ AES block 8k+9 - round 13 | |
5762 | ||
5763 | aese $ctr3b, $rk13 @ AES block 8k+11 - round 13 | |
5764 | aese $ctr4b, $rk13 @ AES block 8k+12 - round 13 | |
5765 | aese $ctr7b, $rk13 @ AES block 8k+15 - round 13 | |
5766 | ||
5767 | aese $ctr2b, $rk13 @ AES block 8k+10 - round 13 | |
5768 | aese $ctr6b, $rk13 @ AES block 8k+14 - round 13 | |
5769 | .L256_enc_tail: @ TAIL | |
5770 | ||
5771 | ldp $h78kq, $h8q, [$current_tag, #192] @ load h8l | h8h | |
5772 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
5773 | sub $main_end_input_ptr, $end_input_ptr, $input_ptr @ main_end_input_ptr is number of bytes left to process | |
5774 | ||
5775 | ldr $ctr_t0q, [$input_ptr], #16 @ AES block 8k+8 - load plaintext | |
5776 | ||
5777 | ldp $h5q, $h56kq, [$current_tag, #128] @ load h5l | h5h | |
5778 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
5779 | ||
5780 | ext $t0.16b, $acc_lb, $acc_lb, #8 @ prepare final partial tag | |
5781 | ldp $h6q, $h7q, [$current_tag, #160] @ load h6l | h6h | |
5782 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
5783 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
5784 | mov $t1.16b, $rk14 | |
5785 | ||
5786 | cmp $main_end_input_ptr, #112 | |
5787 | eor3 $res1b, $ctr_t0b, $ctr0b, $t1.16b @ AES block 8k+8 - result | |
5788 | b.gt .L256_enc_blocks_more_than_7 | |
5789 | ||
5790 | movi $acc_l.8b, #0 | |
5791 | mov $ctr7b, $ctr6b | |
5792 | movi $acc_h.8b, #0 | |
5793 | ||
5794 | mov $ctr6b, $ctr5b | |
5795 | mov $ctr5b, $ctr4b | |
5796 | mov $ctr4b, $ctr3b | |
5797 | ||
5798 | mov $ctr3b, $ctr2b | |
5799 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
5800 | mov $ctr2b, $ctr1b | |
5801 | ||
5802 | movi $acc_m.8b, #0 | |
5803 | cmp $main_end_input_ptr, #96 | |
5804 | b.gt .L256_enc_blocks_more_than_6 | |
5805 | ||
5806 | mov $ctr7b, $ctr6b | |
5807 | mov $ctr6b, $ctr5b | |
5808 | cmp $main_end_input_ptr, #80 | |
5809 | ||
5810 | mov $ctr5b, $ctr4b | |
5811 | mov $ctr4b, $ctr3b | |
5812 | mov $ctr3b, $ctr1b | |
5813 | ||
5814 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
5815 | b.gt .L256_enc_blocks_more_than_5 | |
5816 | ||
5817 | mov $ctr7b, $ctr6b | |
5818 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
5819 | ||
5820 | mov $ctr6b, $ctr5b | |
5821 | mov $ctr5b, $ctr4b | |
5822 | ||
5823 | cmp $main_end_input_ptr, #64 | |
5824 | mov $ctr4b, $ctr1b | |
5825 | b.gt .L256_enc_blocks_more_than_4 | |
5826 | ||
5827 | cmp $main_end_input_ptr, #48 | |
5828 | mov $ctr7b, $ctr6b | |
5829 | mov $ctr6b, $ctr5b | |
5830 | ||
5831 | mov $ctr5b, $ctr1b | |
5832 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
5833 | b.gt .L256_enc_blocks_more_than_3 | |
5834 | ||
5835 | cmp $main_end_input_ptr, #32 | |
5836 | mov $ctr7b, $ctr6b | |
5837 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
5838 | ||
5839 | mov $ctr6b, $ctr1b | |
5840 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
5841 | b.gt .L256_enc_blocks_more_than_2 | |
5842 | ||
5843 | mov $ctr7b, $ctr1b | |
5844 | ||
5845 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
5846 | cmp $main_end_input_ptr, #16 | |
5847 | b.gt .L256_enc_blocks_more_than_1 | |
5848 | ||
5849 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
5850 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
5851 | b .L256_enc_blocks_less_than_1 | |
5852 | .L256_enc_blocks_more_than_7: @ blocks left > 7 | |
5853 | st1 { $res1b}, [$output_ptr], #16 @ AES final-7 block - store result | |
5854 | ||
5855 | rev64 $res0b, $res1b @ GHASH final-7 block | |
5856 | ||
5857 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
5858 | ||
5859 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-6 block - load plaintext | |
5860 | ||
5861 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH final-7 block - high | |
5862 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-7 block - mid | |
5863 | ins $acc_m.d[0], $h78k.d[1] @ GHASH final-7 block - mid | |
5864 | ||
eb4129e1 | 5865 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
5866 | |
5867 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-7 block - mid | |
5868 | eor3 $res1b, $ctr_t1b, $ctr1b, $t1.16b @ AES final-6 block - result | |
5869 | ||
5870 | pmull $acc_m.1q, $rk4v.1d, $acc_m.1d @ GHASH final-7 block - mid | |
5871 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH final-7 block - low | |
5872 | .L256_enc_blocks_more_than_6: @ blocks left > 6 | |
5873 | ||
5874 | st1 { $res1b}, [$output_ptr], #16 @ AES final-6 block - store result | |
5875 | ||
5876 | rev64 $res0b, $res1b @ GHASH final-6 block | |
5877 | ||
5878 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
5879 | ||
5880 | pmull $rk3q1, $res0.1d, $h7.1d @ GHASH final-6 block - low | |
5881 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-6 block - mid | |
5882 | pmull2 $rk2q1, $res0.2d, $h7.2d @ GHASH final-6 block - high | |
5883 | ||
5884 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-5 block - load plaintext | |
5885 | ||
5886 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-6 block - low | |
5887 | ||
5888 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-6 block - mid | |
5889 | ||
5890 | pmull $rk4v.1q, $rk4v.1d, $h78k.1d @ GHASH final-6 block - mid | |
5891 | eor3 $res1b, $ctr_t1b, $ctr2b, $t1.16b @ AES final-5 block - result | |
5892 | ||
eb4129e1 | 5893 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
5894 | |
5895 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-6 block - mid | |
5896 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-6 block - high | |
5897 | .L256_enc_blocks_more_than_5: @ blocks left > 5 | |
5898 | ||
5899 | st1 { $res1b}, [$output_ptr], #16 @ AES final-5 block - store result | |
5900 | ||
5901 | rev64 $res0b, $res1b @ GHASH final-5 block | |
5902 | ||
5903 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
5904 | ||
5905 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-5 block - mid | |
5906 | ||
5907 | pmull2 $rk2q1, $res0.2d, $h6.2d @ GHASH final-5 block - high | |
5908 | ||
5909 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-5 block - high | |
5910 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-5 block - mid | |
5911 | ||
5912 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-5 block - mid | |
5913 | ||
5914 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-4 block - load plaintext | |
3b5b9199 | 5915 | pmull $rk3q1, $res0.1d, $h6.1d @ GHASH final-5 block - low |
954f45ba X |
5916 | |
5917 | pmull2 $rk4v.1q, $rk4v.2d, $h56k.2d @ GHASH final-5 block - mid | |
eb4129e1 | 5918 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
5919 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-5 block - low |
5920 | ||
5921 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-5 block - mid | |
5922 | eor3 $res1b, $ctr_t1b, $ctr3b, $t1.16b @ AES final-4 block - result | |
5923 | .L256_enc_blocks_more_than_4: @ blocks left > 4 | |
5924 | ||
5925 | st1 { $res1b}, [$output_ptr], #16 @ AES final-4 block - store result | |
5926 | ||
5927 | rev64 $res0b, $res1b @ GHASH final-4 block | |
5928 | ||
5929 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-3 block - load plaintext | |
5930 | ||
5931 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
5932 | ||
5933 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-4 block - mid | |
5934 | pmull2 $rk2q1, $res0.2d, $h5.2d @ GHASH final-4 block - high | |
5935 | ||
5936 | eor3 $res1b, $ctr_t1b, $ctr4b, $t1.16b @ AES final-3 block - result | |
5937 | pmull $rk3q1, $res0.1d, $h5.1d @ GHASH final-4 block - low | |
5938 | ||
5939 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-4 block - mid | |
5940 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-4 block - low | |
5941 | ||
5942 | pmull $rk4v.1q, $rk4v.1d, $h56k.1d @ GHASH final-4 block - mid | |
5943 | ||
eb4129e1 | 5944 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
5945 | |
5946 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-4 block - mid | |
5947 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-4 block - high | |
5948 | .L256_enc_blocks_more_than_3: @ blocks left > 3 | |
5949 | ||
5950 | st1 { $res1b}, [$output_ptr], #16 @ AES final-3 block - store result | |
5951 | ||
5952 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
5953 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
5954 | rev64 $res0b, $res1b @ GHASH final-3 block | |
5955 | ||
5956 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
5957 | ||
5958 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-3 block - mid | |
5959 | pmull2 $rk2q1, $res0.2d, $h4.2d @ GHASH final-3 block - high | |
5960 | ||
5961 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-3 block - high | |
5962 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-3 block - mid | |
5963 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
5964 | ||
5965 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-3 block - mid | |
5966 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-2 block - load plaintext | |
5967 | ||
5968 | pmull2 $rk4v.1q, $rk4v.2d, $h34k.2d @ GHASH final-3 block - mid | |
5969 | pmull $rk3q1, $res0.1d, $h4.1d @ GHASH final-3 block - low | |
5970 | ||
5971 | eor3 $res1b, $ctr_t1b, $ctr5b, $t1.16b @ AES final-2 block - result | |
eb4129e1 | 5972 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
5973 | |
5974 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-3 block - mid | |
5975 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-3 block - low | |
5976 | .L256_enc_blocks_more_than_2: @ blocks left > 2 | |
5977 | ||
5978 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
5979 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
5980 | ||
5981 | st1 { $res1b}, [$output_ptr], #16 @ AES final-2 block - store result | |
5982 | ||
5983 | rev64 $res0b, $res1b @ GHASH final-2 block | |
5984 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final-1 block - load plaintext | |
5985 | ||
5986 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
5987 | ||
5988 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-2 block - mid | |
5989 | ||
eb4129e1 | 5990 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
5991 | |
5992 | pmull2 $rk2q1, $res0.2d, $h3.2d @ GHASH final-2 block - high | |
5993 | eor3 $res1b, $ctr_t1b, $ctr6b, $t1.16b @ AES final-1 block - result | |
5994 | ||
5995 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-2 block - mid | |
5996 | ||
5997 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-2 block - high | |
5998 | ||
5999 | pmull $rk4v.1q, $rk4v.1d, $h34k.1d @ GHASH final-2 block - mid | |
6000 | pmull $rk3q1, $res0.1d, $h3.1d @ GHASH final-2 block - low | |
6001 | ||
6002 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-2 block - mid | |
6003 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-2 block - low | |
6004 | .L256_enc_blocks_more_than_1: @ blocks left > 1 | |
6005 | ||
6006 | st1 { $res1b}, [$output_ptr], #16 @ AES final-1 block - store result | |
6007 | ||
3b5b9199 | 6008 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
6009 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
6010 | rev64 $res0b, $res1b @ GHASH final-1 block | |
6011 | ldr $ctr_t1q, [$input_ptr], #16 @ AES final block - load plaintext | |
6012 | ||
6013 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
eb4129e1 | 6014 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
6015 | |
6016 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-1 block - mid | |
6017 | pmull2 $rk2q1, $res0.2d, $h2.2d @ GHASH final-1 block - high | |
6018 | ||
6019 | eor3 $res1b, $ctr_t1b, $ctr7b, $t1.16b @ AES final block - result | |
6020 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-1 block - high | |
6021 | ||
6022 | pmull $rk3q1, $res0.1d, $h2.1d @ GHASH final-1 block - low | |
6023 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-1 block - mid | |
6024 | ||
6025 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
6026 | ||
6027 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-1 block - low | |
6028 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-1 block - mid | |
6029 | ||
6030 | pmull2 $rk4v.1q, $rk4v.2d, $h12k.2d @ GHASH final-1 block - mid | |
6031 | ||
6032 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-1 block - mid | |
6033 | .L256_enc_blocks_less_than_1: @ blocks left <= 1 | |
6034 | ||
6035 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
6036 | ||
6037 | sub $bit_length, $bit_length, #128 @ bit_length -= 128 | |
6038 | ||
6039 | neg $bit_length, $bit_length @ bit_length = 128 - #bits in input (in range [1,128]) | |
6040 | ||
6041 | mvn $temp0_x, xzr @ temp0_x = 0xffffffffffffffff | |
6042 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
6043 | ||
6044 | lsr $temp0_x, $temp0_x, $bit_length @ temp0_x is mask for top 64b of last block | |
6045 | cmp $bit_length, #64 | |
6046 | mvn $temp1_x, xzr @ temp1_x = 0xffffffffffffffff | |
6047 | ||
6048 | csel $temp3_x, $temp0_x, xzr, lt | |
6049 | csel $temp2_x, $temp1_x, $temp0_x, lt | |
6050 | ||
6051 | mov $ctr0.d[0], $temp2_x @ ctr0b is mask for last block | |
6052 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
6053 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
6054 | ||
6055 | ld1 { $rk0}, [$output_ptr] @ load existing bytes where the possibly partial last block is to be stored | |
6056 | mov $ctr0.d[1], $temp3_x | |
6057 | ||
6058 | and $res1b, $res1b, $ctr0b @ possibly partial last block has zeroes in highest bits | |
6059 | ||
6060 | rev64 $res0b, $res1b @ GHASH final block | |
6061 | ||
6062 | rev32 $rtmp_ctr.16b, $rtmp_ctr.16b | |
6063 | bif $res1b, $rk0, $ctr0b @ insert existing bytes in top end of result before storing | |
6064 | str $rtmp_ctrq, [$counter] @ store the updated counter | |
6065 | ||
6066 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
6067 | st1 { $res1b}, [$output_ptr] @ store all 16B | |
6068 | ||
6069 | ins $t0.d[0], $res0.d[1] @ GHASH final block - mid | |
6070 | pmull2 $rk2q1, $res0.2d, $h1.2d @ GHASH final block - high | |
6071 | pmull $rk3q1, $res0.1d, $h1.1d @ GHASH final block - low | |
6072 | ||
6073 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final block - high | |
6074 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final block - low | |
6075 | ||
6076 | eor $t0.8b, $t0.8b, $res0.8b @ GHASH final block - mid | |
6077 | ||
6078 | pmull $t0.1q, $t0.1d, $h12k.1d @ GHASH final block - mid | |
6079 | ||
6080 | eor $acc_mb, $acc_mb, $t0.16b @ GHASH final block - mid | |
6081 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
6082 | ||
6083 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
6084 | ||
6085 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
6086 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
6087 | ||
6088 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
6089 | ||
6090 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
6091 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
6092 | ||
6093 | eor3 $acc_lb, $acc_lb, $acc_hb, $t11.16b @ MODULO - fold into low | |
6094 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
6095 | rev64 $acc_lb, $acc_lb | |
6096 | st1 { $acc_l.16b }, [$current_tag] | |
4596c20b | 6097 | mov x0, $byte_length @ return sizes |
954f45ba X |
6098 | |
6099 | ldp d10, d11, [sp, #16] | |
6100 | ldp d12, d13, [sp, #32] | |
6101 | ldp d14, d15, [sp, #48] | |
6102 | ldp d8, d9, [sp], #80 | |
6103 | ret | |
6104 | ||
6105 | .L256_enc_ret: | |
6106 | mov w0, #0x0 | |
6107 | ret | |
6108 | .size unroll8_eor3_aes_gcm_enc_256_kernel,.-unroll8_eor3_aes_gcm_enc_256_kernel | |
6109 | ___ | |
6110 | ||
6111 | { | |
6112 | ######################################################################################### | |
6c0ecc2b | 6113 | # size_t unroll8_eor3_aes_gcm_dec_256_kernel(const uint8_t * ciphertext, |
6114 | # uint64_t plaintext_length, | |
6115 | # uint8_t * plaintext, | |
6116 | # uint64_t *Xi, | |
6117 | # unsigned char ivec[16], | |
6118 | # const void *key); | |
954f45ba X |
6119 | # |
6120 | $code.=<<___; | |
6121 | .global unroll8_eor3_aes_gcm_dec_256_kernel | |
6122 | .type unroll8_eor3_aes_gcm_dec_256_kernel,%function | |
6123 | .align 4 | |
6124 | unroll8_eor3_aes_gcm_dec_256_kernel: | |
6125 | AARCH64_VALID_CALL_TARGET | |
6126 | cbz x1, .L256_dec_ret | |
6127 | stp d8, d9, [sp, #-80]! | |
4596c20b | 6128 | lsr $byte_length, $bit_length, #3 |
954f45ba X |
6129 | mov $counter, x4 |
6130 | mov $cc, x5 | |
6131 | stp d10, d11, [sp, #16] | |
6132 | stp d12, d13, [sp, #32] | |
6133 | stp d14, d15, [sp, #48] | |
6134 | mov x5, #0xc200000000000000 | |
6135 | stp x5, xzr, [sp, #64] | |
6136 | add $modulo_constant, sp, #64 | |
6137 | ||
6138 | ld1 { $ctr0b}, [$counter] @ CTR block 0 | |
6139 | ||
6140 | mov $constant_temp, #0x100000000 @ set up counter increment | |
6141 | movi $rctr_inc.16b, #0x0 | |
6142 | mov $rctr_inc.d[1], $constant_temp | |
4596c20b | 6143 | mov $main_end_input_ptr, $byte_length |
954f45ba X |
6144 | |
6145 | sub $main_end_input_ptr, $main_end_input_ptr, #1 @ byte_len - 1 | |
6146 | ||
6147 | rev32 $rtmp_ctr.16b, $ctr0.16b @ set up reversed counter | |
6148 | ||
6149 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 0 | |
6150 | ||
6151 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 1 | |
6152 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 1 | |
6153 | ||
6154 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 2 | |
6155 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 2 | |
6156 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
6157 | ||
6158 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 3 | |
6159 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 3 | |
6160 | ||
6161 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 4 | |
6162 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 4 | |
6163 | ||
6164 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 0 | |
6165 | ||
6166 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 5 | |
6167 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 5 | |
6168 | ||
6169 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 0 | |
6170 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 0 | |
6171 | ||
6172 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 6 | |
6173 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 6 | |
6174 | ||
6175 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 7 | |
6176 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 0 | |
6177 | ||
6178 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 0 | |
6179 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 0 | |
6180 | ||
6181 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 0 | |
6182 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 0 | |
6183 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
6184 | ||
6185 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 1 | |
6186 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 1 | |
6187 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 1 | |
6188 | ||
6189 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 1 | |
6190 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 1 | |
6191 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 1 | |
6192 | ||
6193 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 1 | |
6194 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 1 | |
6195 | ||
6196 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 2 | |
6197 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 2 | |
6198 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 2 | |
6199 | ||
6200 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 2 | |
6201 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 2 | |
6202 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 2 | |
6203 | ||
6204 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 2 | |
6205 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 2 | |
3b5b9199 | 6206 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 |
954f45ba X |
6207 | |
6208 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 3 | |
6209 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 3 | |
6210 | ||
6211 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 3 | |
6212 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 3 | |
6213 | ||
6214 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 3 | |
6215 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 3 | |
6216 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 3 | |
6217 | ||
6218 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 3 | |
6219 | ||
6220 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 4 | |
6221 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 4 | |
6222 | ||
6223 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 4 | |
6224 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 4 | |
6225 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 4 | |
6226 | ||
6227 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 4 | |
6228 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 4 | |
6229 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 4 | |
6230 | ||
6231 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 5 | |
6232 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 5 | |
6233 | ||
6234 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
6235 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 5 | |
6236 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 5 | |
6237 | ||
6238 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 5 | |
6239 | ||
6240 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 5 | |
6241 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 5 | |
6242 | ||
6243 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 5 | |
6244 | ||
6245 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 6 | |
6246 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 6 | |
6247 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 6 | |
6248 | ||
6249 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 6 | |
6250 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 6 | |
6251 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 6 | |
6252 | ||
6253 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 6 | |
6254 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 6 | |
6255 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
6256 | ||
6257 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 7 | |
6258 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 7 | |
6259 | ||
6260 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 7 | |
6261 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 7 | |
6262 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 7 | |
6263 | ||
6264 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 7 | |
6265 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 7 | |
6266 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 7 | |
6267 | ||
6268 | and $main_end_input_ptr, $main_end_input_ptr, #0xffffffffffffff80 @ number of bytes to be processed in main loop (at least 1 byte must be handled by tail) | |
6269 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 8 | |
6270 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 8 | |
6271 | ||
6272 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 8 | |
6273 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 8 | |
6274 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 8 | |
6275 | ||
6276 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 8 | |
6277 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 8 | |
6278 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 8 | |
6279 | ||
6280 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 9 | |
6281 | ||
6282 | ld1 { $acc_lb}, [$current_tag] | |
6283 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
6284 | rev64 $acc_lb, $acc_lb | |
6285 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
6286 | add $end_input_ptr, $input_ptr, $bit_length, lsr #3 @ end_input_ptr | |
6287 | add $main_end_input_ptr, $main_end_input_ptr, $input_ptr | |
6288 | ||
6289 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 9 | |
6290 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 9 | |
6291 | ||
6292 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 9 | |
6293 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 9 | |
6294 | ||
6295 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 9 | |
6296 | ||
6297 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 9 | |
6298 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 9 | |
6299 | ||
6300 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 10 | |
6301 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 10 | |
6302 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 10 | |
6303 | ||
6304 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 10 | |
6305 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 10 | |
6306 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 10 | |
6307 | ||
6308 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 10 | |
6309 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 10 | |
6310 | ldp $rk12q, $rk13q, [$cc, #192] @ load rk12, rk13 | |
6311 | ||
6312 | aese $ctr0b, $rk11 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 11 | |
6313 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 7 | |
6314 | ||
6315 | aese $ctr7b, $rk11 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 11 | |
6316 | aese $ctr3b, $rk11 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 11 | |
6317 | aese $ctr1b, $rk11 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 11 | |
6318 | ||
6319 | aese $ctr5b, $rk11 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 11 | |
6320 | aese $ctr4b, $rk11 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 11 | |
6321 | aese $ctr2b, $rk11 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 11 | |
6322 | ||
6323 | aese $ctr6b, $rk11 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 11 | |
6324 | ldr $rk14q, [$cc, #224] @ load rk14 | |
6325 | ||
6326 | aese $ctr1b, $rk12 \n aesmc $ctr1b, $ctr1b @ AES block 1 - round 12 | |
6327 | aese $ctr4b, $rk12 \n aesmc $ctr4b, $ctr4b @ AES block 4 - round 12 | |
6328 | aese $ctr5b, $rk12 \n aesmc $ctr5b, $ctr5b @ AES block 5 - round 12 | |
6329 | ||
6330 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
6331 | aese $ctr3b, $rk12 \n aesmc $ctr3b, $ctr3b @ AES block 3 - round 12 | |
6332 | aese $ctr2b, $rk12 \n aesmc $ctr2b, $ctr2b @ AES block 2 - round 12 | |
6333 | ||
6334 | aese $ctr6b, $rk12 \n aesmc $ctr6b, $ctr6b @ AES block 6 - round 12 | |
6335 | aese $ctr0b, $rk12 \n aesmc $ctr0b, $ctr0b @ AES block 0 - round 12 | |
6336 | aese $ctr7b, $rk12 \n aesmc $ctr7b, $ctr7b @ AES block 7 - round 12 | |
6337 | ||
6338 | aese $ctr5b, $rk13 @ AES block 5 - round 13 | |
6339 | aese $ctr1b, $rk13 @ AES block 1 - round 13 | |
6340 | aese $ctr2b, $rk13 @ AES block 2 - round 13 | |
6341 | ||
6342 | aese $ctr0b, $rk13 @ AES block 0 - round 13 | |
6343 | aese $ctr4b, $rk13 @ AES block 4 - round 13 | |
6344 | aese $ctr6b, $rk13 @ AES block 6 - round 13 | |
6345 | ||
6346 | aese $ctr3b, $rk13 @ AES block 3 - round 13 | |
6347 | aese $ctr7b, $rk13 @ AES block 7 - round 13 | |
6348 | b.ge .L256_dec_tail @ handle tail | |
6349 | ||
6350 | ldp $res0q, $res1q, [$input_ptr], #32 @ AES block 0, 1 - load ciphertext | |
6351 | ||
6352 | ldp $res2q, $res3q, [$input_ptr], #32 @ AES block 2, 3 - load ciphertext | |
6353 | ||
6354 | ldp $res4q, $res5q, [$input_ptr], #32 @ AES block 4, 5 - load ciphertext | |
6355 | ||
6356 | ldp $res6q, $res7q, [$input_ptr], #32 @ AES block 6, 7 - load ciphertext | |
6357 | cmp $input_ptr, $main_end_input_ptr @ check if we have <= 8 blocks | |
6358 | ||
6359 | eor3 $ctr1b, $res1b, $ctr1b, $rk14 @ AES block 1 - result | |
6360 | eor3 $ctr0b, $res0b, $ctr0b, $rk14 @ AES block 0 - result | |
6361 | stp $ctr0q, $ctr1q, [$output_ptr], #32 @ AES block 0, 1 - store result | |
6362 | ||
6363 | rev32 $ctr0.16b, $rtmp_ctr.16b @ CTR block 8 | |
6364 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8 | |
6365 | eor3 $ctr3b, $res3b, $ctr3b, $rk14 @ AES block 3 - result | |
6366 | ||
6367 | eor3 $ctr5b, $res5b, $ctr5b, $rk14 @ AES block 5 - result | |
6368 | ||
6369 | eor3 $ctr4b, $res4b, $ctr4b, $rk14 @ AES block 4 - result | |
6370 | rev32 $ctr1.16b, $rtmp_ctr.16b @ CTR block 9 | |
6371 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 9 | |
6372 | ||
6373 | eor3 $ctr2b, $res2b, $ctr2b, $rk14 @ AES block 2 - result | |
6374 | stp $ctr2q, $ctr3q, [$output_ptr], #32 @ AES block 2, 3 - store result | |
6375 | ||
6376 | rev32 $ctr2.16b, $rtmp_ctr.16b @ CTR block 10 | |
6377 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 10 | |
6378 | ||
6379 | eor3 $ctr6b, $res6b, $ctr6b, $rk14 @ AES block 6 - result | |
6380 | ||
6381 | rev32 $ctr3.16b, $rtmp_ctr.16b @ CTR block 11 | |
6382 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 11 | |
6383 | stp $ctr4q, $ctr5q, [$output_ptr], #32 @ AES block 4, 5 - store result | |
6384 | ||
6385 | eor3 $ctr7b, $res7b, $ctr7b, $rk14 @ AES block 7 - result | |
6386 | stp $ctr6q, $ctr7q, [$output_ptr], #32 @ AES block 6, 7 - store result | |
6387 | ||
6388 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 12 | |
6389 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 12 | |
6390 | b.ge .L256_dec_prepretail @ do prepretail | |
6391 | ||
6392 | .L256_dec_main_loop: @ main loop start | |
6393 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
6394 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
6395 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
6396 | ||
6397 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
6398 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
6399 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
6400 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
6401 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
6402 | ||
6403 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
6404 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
6405 | rev64 $res0b, $res0b @ GHASH block 8k | |
6406 | ||
6407 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
6408 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
6409 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
6410 | ||
6411 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
6412 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
6413 | ||
6414 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
6415 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
6416 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
6417 | ||
6418 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
6419 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
6420 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
6421 | ||
6422 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
6423 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
6424 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
6425 | ||
6426 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
6427 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
6428 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
6429 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
6430 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
6431 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
6432 | ||
6433 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
6434 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
6435 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
6436 | ||
6437 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
6438 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
6439 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
6440 | ||
6441 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
6442 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
6443 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
6444 | ||
6445 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
6446 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
6447 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
6448 | ||
6449 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
6450 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
6451 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
6452 | ||
6453 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
6454 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
6455 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
6456 | ||
6457 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
6458 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
6459 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
6460 | ||
6461 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
6462 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
6463 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
6464 | ||
6465 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
6466 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
6467 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
6468 | ||
6469 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
6470 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
6471 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
6472 | ||
6473 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
6474 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
6475 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
6476 | ||
6477 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
6478 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
6479 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
6480 | ||
6481 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
6482 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
6483 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
6484 | ||
6485 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
6486 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
6487 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
6488 | ||
6489 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
6490 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
6491 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
6492 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
6493 | ||
6494 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
6495 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
6496 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
6497 | ||
6498 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
6499 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
6500 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
6501 | ||
6502 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
6503 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
6504 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
6505 | ||
6506 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
6507 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
6508 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
6509 | ||
6510 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
6511 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
6512 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
6513 | ||
6514 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
6515 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
6516 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
6517 | ||
6518 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
6519 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
6520 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
6521 | ||
6522 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
6523 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
6524 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
6525 | ||
6526 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
6527 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
6528 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
6529 | ||
6530 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
6531 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
6532 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
6533 | ||
6534 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
6535 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
6536 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
6537 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
6538 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
6539 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
6540 | ||
6541 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
6542 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
6543 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
6544 | ||
6545 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
6546 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 6547 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
6548 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
6549 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
6550 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
6551 | ||
6552 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
6553 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
6554 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
6555 | ||
6556 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
6557 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
6558 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
6559 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
6560 | ||
6561 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
6562 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
6563 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
6564 | ||
6565 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
6566 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
6567 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
6568 | ||
6569 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
6570 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
6571 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
6572 | ||
6573 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
6574 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
6575 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
6576 | ||
6577 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
6578 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
6579 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
6580 | ||
6581 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
6582 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
6583 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
6584 | ||
6585 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
6586 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
6587 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
6588 | ||
6589 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
6590 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
6591 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
6592 | ||
6593 | ldp $res0q, $res1q, [$input_ptr], #32 @ AES block 8k+8, 8k+9 - load ciphertext | |
6594 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
6595 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
6596 | ||
6597 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
6598 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
6599 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
6600 | ||
6601 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
6602 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
6603 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
6604 | ||
6605 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
6606 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
6607 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
6608 | ||
6609 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
6610 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
6611 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
6612 | ||
6613 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
6614 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
6615 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
6616 | ||
6617 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
6618 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
6619 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
6620 | ||
6621 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
6622 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
6623 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
6624 | ||
6625 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
6626 | rev32 $h1.16b, $rtmp_ctr.16b @ CTR block 8k+16 | |
6627 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
6628 | ||
6629 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+16 | |
6630 | aese $ctr1b, $rk11 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 11 | |
6631 | ldp $rk12q, $rk13q, [$cc, #192] @ load rk12, rk13 | |
6632 | ||
6633 | aese $ctr0b, $rk11 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 11 | |
6634 | aese $ctr6b, $rk11 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 11 | |
6635 | ||
6636 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
6637 | rev32 $h2.16b, $rtmp_ctr.16b @ CTR block 8k+17 | |
6638 | aese $ctr2b, $rk11 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 11 | |
6639 | ||
6640 | ldp $res2q, $res3q, [$input_ptr], #32 @ AES block 8k+10, 8k+11 - load ciphertext | |
6641 | aese $ctr7b, $rk11 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 11 | |
6642 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
6643 | ||
6644 | aese $ctr5b, $rk11 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 11 | |
6645 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+17 | |
6646 | aese $ctr3b, $rk11 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 11 | |
6647 | ||
6648 | aese $ctr2b, $rk12 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 12 | |
6649 | aese $ctr7b, $rk12 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 12 | |
6650 | aese $ctr6b, $rk12 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 12 | |
6651 | ||
6652 | rev32 $h3.16b, $rtmp_ctr.16b @ CTR block 8k+18 | |
6653 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+18 | |
6654 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
6655 | ||
6656 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
6657 | aese $ctr1b, $rk12 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 12 | |
6658 | aese $ctr4b, $rk11 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 11 | |
6659 | ||
6660 | ldr $rk14q, [$cc, #224] @ load rk14 | |
6661 | aese $ctr5b, $rk12 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 12 | |
6662 | aese $ctr3b, $rk12 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 12 | |
6663 | ||
6664 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
6665 | aese $ctr0b, $rk12 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 12 | |
6666 | aese $ctr4b, $rk12 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 12 | |
6667 | ||
6668 | ldp $res4q, $res5q, [$input_ptr], #32 @ AES block 8k+12, 8k+13 - load ciphertext | |
6669 | aese $ctr1b, $rk13 @ AES block 8k+9 - round 13 | |
6670 | aese $ctr2b, $rk13 @ AES block 8k+10 - round 13 | |
6671 | ||
6672 | ldp $res6q, $res7q, [$input_ptr], #32 @ AES block 8k+14, 8k+15 - load ciphertext | |
6673 | aese $ctr0b, $rk13 @ AES block 8k+8 - round 13 | |
6674 | aese $ctr5b, $rk13 @ AES block 8k+13 - round 13 | |
6675 | ||
6676 | rev32 $h4.16b, $rtmp_ctr.16b @ CTR block 8k+19 | |
6677 | eor3 $ctr2b, $res2b, $ctr2b, $rk14 @ AES block 8k+10 - result | |
6678 | eor3 $ctr1b, $res1b, $ctr1b, $rk14 @ AES block 8k+9 - result | |
6679 | ||
6680 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
6681 | aese $ctr7b, $rk13 @ AES block 8k+15 - round 13 | |
6682 | ||
6683 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+19 | |
6684 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
6685 | aese $ctr4b, $rk13 @ AES block 8k+12 - round 13 | |
6686 | ||
6687 | eor3 $ctr5b, $res5b, $ctr5b, $rk14 @ AES block 8k+13 - result | |
6688 | eor3 $ctr0b, $res0b, $ctr0b, $rk14 @ AES block 8k+8 - result | |
6689 | aese $ctr3b, $rk13 @ AES block 8k+11 - round 13 | |
6690 | ||
6691 | stp $ctr0q, $ctr1q, [$output_ptr], #32 @ AES block 8k+8, 8k+9 - store result | |
6692 | mov $ctr0.16b, $h1.16b @ CTR block 8k+16 | |
6693 | eor3 $ctr4b, $res4b, $ctr4b, $rk14 @ AES block 8k+12 - result | |
6694 | ||
6695 | eor3 $acc_lb, $acc_lb, $t11.16b, $acc_hb @ MODULO - fold into low | |
6696 | eor3 $ctr3b, $res3b, $ctr3b, $rk14 @ AES block 8k+11 - result | |
6697 | stp $ctr2q, $ctr3q, [$output_ptr], #32 @ AES block 8k+10, 8k+11 - store result | |
6698 | ||
6699 | mov $ctr3.16b, $h4.16b @ CTR block 8k+19 | |
6700 | mov $ctr2.16b, $h3.16b @ CTR block 8k+18 | |
6701 | aese $ctr6b, $rk13 @ AES block 8k+14 - round 13 | |
6702 | ||
6703 | mov $ctr1.16b, $h2.16b @ CTR block 8k+17 | |
6704 | stp $ctr4q, $ctr5q, [$output_ptr], #32 @ AES block 8k+12, 8k+13 - store result | |
6705 | eor3 $ctr7b, $res7b, $ctr7b, $rk14 @ AES block 8k+15 - result | |
6706 | ||
6707 | eor3 $ctr6b, $res6b, $ctr6b, $rk14 @ AES block 8k+14 - result | |
6708 | rev32 $ctr4.16b, $rtmp_ctr.16b @ CTR block 8k+20 | |
6709 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+20 | |
6710 | ||
6711 | cmp $input_ptr, $main_end_input_ptr @ LOOP CONTROL | |
6712 | stp $ctr6q, $ctr7q, [$output_ptr], #32 @ AES block 8k+14, 8k+15 - store result | |
6713 | b.lt .L256_dec_main_loop | |
6714 | ||
6715 | .L256_dec_prepretail: @ PREPRETAIL | |
6716 | ldp $rk0q, $rk1q, [$cc, #0] @ load rk0, rk1 | |
6717 | rev32 $ctr5.16b, $rtmp_ctr.16b @ CTR block 8k+13 | |
6718 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+13 | |
6719 | ||
6720 | rev64 $res4b, $res4b @ GHASH block 8k+4 | |
6721 | ldr $h56kq, [$current_tag, #144] @ load h6k | h5k | |
6722 | ldr $h78kq, [$current_tag, #192] @ load h8k | h7k | |
6723 | ||
6724 | rev32 $ctr6.16b, $rtmp_ctr.16b @ CTR block 8k+14 | |
6725 | rev64 $res0b, $res0b @ GHASH block 8k | |
6726 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+14 | |
6727 | ||
6728 | ext $acc_lb, $acc_lb, $acc_lb, #8 @ PRE 0 | |
6729 | ldr $h7q, [$current_tag, #176] @ load h7l | h7h | |
6730 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
6731 | ldr $h8q, [$current_tag, #208] @ load h8l | h8h | |
6732 | ext $h8.16b, $h8.16b, $h8.16b, #8 | |
6733 | rev64 $res1b, $res1b @ GHASH block 8k+1 | |
6734 | ||
6735 | rev32 $ctr7.16b, $rtmp_ctr.16b @ CTR block 8k+15 | |
6736 | rev64 $res2b, $res2b @ GHASH block 8k+2 | |
6737 | ldr $h5q, [$current_tag, #128] @ load h5l | h5h | |
6738 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
6739 | ldr $h6q, [$current_tag, #160] @ load h6l | h6h | |
6740 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
6741 | ||
6742 | aese $ctr0b, $rk0 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 0 | |
6743 | aese $ctr1b, $rk0 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 0 | |
6744 | aese $ctr4b, $rk0 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 0 | |
6745 | ||
6746 | aese $ctr3b, $rk0 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 0 | |
6747 | aese $ctr5b, $rk0 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 0 | |
6748 | aese $ctr6b, $rk0 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 0 | |
6749 | ||
6750 | aese $ctr4b, $rk1 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 1 | |
6751 | aese $ctr7b, $rk0 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 0 | |
6752 | aese $ctr2b, $rk0 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 0 | |
6753 | ||
6754 | ldp $rk2q, $rk3q, [$cc, #32] @ load rk2, rk3 | |
6755 | aese $ctr0b, $rk1 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 1 | |
6756 | eor $res0b, $res0b, $acc_lb @ PRE 1 | |
6757 | ||
6758 | aese $ctr7b, $rk1 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 1 | |
6759 | aese $ctr6b, $rk1 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 1 | |
6760 | aese $ctr2b, $rk1 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 1 | |
6761 | ||
6762 | aese $ctr3b, $rk1 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 1 | |
6763 | aese $ctr1b, $rk1 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 1 | |
6764 | aese $ctr5b, $rk1 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 1 | |
6765 | ||
6766 | pmull2 $t0.1q, $res1.2d, $h7.2d @ GHASH block 8k+1 - high | |
6767 | trn1 $acc_m.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
6768 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH block 8k - low | |
6769 | ||
6770 | rev64 $res3b, $res3b @ GHASH block 8k+3 | |
6771 | pmull $h7.1q, $res1.1d, $h7.1d @ GHASH block 8k+1 - low | |
6772 | ||
6773 | aese $ctr5b, $rk2 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 2 | |
6774 | aese $ctr7b, $rk2 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 2 | |
6775 | aese $ctr1b, $rk2 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 2 | |
6776 | ||
6777 | aese $ctr3b, $rk2 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 2 | |
6778 | aese $ctr6b, $rk2 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 2 | |
6779 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH block 8k - high | |
6780 | ||
6781 | aese $ctr0b, $rk2 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 2 | |
6782 | aese $ctr7b, $rk3 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 3 | |
6783 | ||
6784 | aese $ctr5b, $rk3 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 3 | |
6785 | rev64 $res6b, $res6b @ GHASH block 8k+6 | |
6786 | ||
6787 | aese $ctr0b, $rk3 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 3 | |
6788 | aese $ctr2b, $rk2 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 2 | |
6789 | aese $ctr6b, $rk3 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 3 | |
6790 | ||
6791 | pmull2 $t1.1q, $res2.2d, $h6.2d @ GHASH block 8k+2 - high | |
6792 | trn2 $res0.2d, $res1.2d, $res0.2d @ GHASH block 8k, 8k+1 - mid | |
6793 | aese $ctr4b, $rk2 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 2 | |
6794 | ||
6795 | ldp $rk4q, $rk5q, [$cc, #64] @ load rk4, rk5 | |
6796 | aese $ctr1b, $rk3 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 3 | |
6797 | pmull2 $t2.1q, $res3.2d, $h5.2d @ GHASH block 8k+3 - high | |
6798 | ||
6799 | aese $ctr2b, $rk3 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 3 | |
6800 | eor $acc_hb, $acc_hb, $t0.16b @ GHASH block 8k+1 - high | |
6801 | eor $res0.16b, $res0.16b, $acc_m.16b @ GHASH block 8k, 8k+1 - mid | |
6802 | ||
6803 | aese $ctr4b, $rk3 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 3 | |
6804 | pmull $h6.1q, $res2.1d, $h6.1d @ GHASH block 8k+2 - low | |
6805 | aese $ctr3b, $rk3 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 3 | |
6806 | ||
6807 | eor3 $acc_hb, $acc_hb, $t1.16b, $t2.16b @ GHASH block 8k+2, 8k+3 - high | |
6808 | trn1 $t3.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
6809 | trn2 $res2.2d, $res3.2d, $res2.2d @ GHASH block 8k+2, 8k+3 - mid | |
6810 | ||
6811 | pmull2 $acc_m.1q, $res0.2d, $h78k.2d @ GHASH block 8k - mid | |
6812 | pmull $h5.1q, $res3.1d, $h5.1d @ GHASH block 8k+3 - low | |
6813 | eor $acc_lb, $acc_lb, $h7.16b @ GHASH block 8k+1 - low | |
6814 | ||
6815 | pmull $h78k.1q, $res0.1d, $h78k.1d @ GHASH block 8k+1 - mid | |
6816 | aese $ctr5b, $rk4 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 4 | |
6817 | aese $ctr0b, $rk4 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 4 | |
6818 | ||
6819 | eor3 $acc_lb, $acc_lb, $h6.16b, $h5.16b @ GHASH block 8k+2, 8k+3 - low | |
6820 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
6821 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
3b5b9199 | 6822 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
6823 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
6824 | aese $ctr7b, $rk4 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 4 | |
6825 | ||
6826 | aese $ctr2b, $rk4 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 4 | |
6827 | aese $ctr6b, $rk4 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 4 | |
6828 | eor $acc_mb, $acc_mb, $h78k.16b @ GHASH block 8k+1 - mid | |
6829 | ||
6830 | eor $res2.16b, $res2.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
6831 | aese $ctr7b, $rk5 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 5 | |
6832 | aese $ctr1b, $rk4 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 4 | |
6833 | ||
6834 | aese $ctr2b, $rk5 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 5 | |
6835 | aese $ctr3b, $rk4 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 4 | |
6836 | aese $ctr4b, $rk4 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 4 | |
6837 | ||
6838 | aese $ctr1b, $rk5 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 5 | |
6839 | pmull2 $t3.1q, $res2.2d, $h56k.2d @ GHASH block 8k+2 - mid | |
6840 | aese $ctr6b, $rk5 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 5 | |
6841 | ||
6842 | aese $ctr4b, $rk5 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 5 | |
6843 | aese $ctr3b, $rk5 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 5 | |
6844 | pmull $h56k.1q, $res2.1d, $h56k.1d @ GHASH block 8k+3 - mid | |
6845 | ||
6846 | aese $ctr0b, $rk5 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 5 | |
6847 | aese $ctr5b, $rk5 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 5 | |
6848 | ldp $rk6q, $rk7q, [$cc, #96] @ load rk6, rk7 | |
6849 | ||
6850 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
6851 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
6852 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
6853 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
6854 | rev64 $res7b, $res7b @ GHASH block 8k+7 | |
6855 | rev64 $res5b, $res5b @ GHASH block 8k+5 | |
6856 | ||
6857 | eor3 $acc_mb, $acc_mb, $h56k.16b, $t3.16b @ GHASH block 8k+2, 8k+3 - mid | |
6858 | ||
6859 | trn1 $t6.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
6860 | ||
6861 | aese $ctr0b, $rk6 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 6 | |
6862 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
6863 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
6864 | aese $ctr6b, $rk6 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 6 | |
6865 | ||
6866 | aese $ctr5b, $rk6 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 6 | |
6867 | aese $ctr7b, $rk6 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 6 | |
6868 | ||
6869 | pmull2 $t4.1q, $res4.2d, $h4.2d @ GHASH block 8k+4 - high | |
6870 | pmull2 $t5.1q, $res5.2d, $h3.2d @ GHASH block 8k+5 - high | |
6871 | pmull $h4.1q, $res4.1d, $h4.1d @ GHASH block 8k+4 - low | |
6872 | ||
6873 | trn2 $res4.2d, $res5.2d, $res4.2d @ GHASH block 8k+4, 8k+5 - mid | |
6874 | pmull $h3.1q, $res5.1d, $h3.1d @ GHASH block 8k+5 - low | |
6875 | trn1 $t9.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
6876 | ||
6877 | aese $ctr7b, $rk7 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 7 | |
6878 | pmull2 $t7.1q, $res6.2d, $h2.2d @ GHASH block 8k+6 - high | |
6879 | aese $ctr1b, $rk6 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 6 | |
6880 | ||
6881 | aese $ctr2b, $rk6 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 6 | |
6882 | aese $ctr3b, $rk6 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 6 | |
6883 | aese $ctr4b, $rk6 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 6 | |
6884 | ||
6885 | ldp $rk8q, $rk9q, [$cc, #128] @ load rk8, rk9 | |
6886 | pmull $h2.1q, $res6.1d, $h2.1d @ GHASH block 8k+6 - low | |
6887 | aese $ctr5b, $rk7 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 7 | |
6888 | ||
6889 | aese $ctr1b, $rk7 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 7 | |
6890 | aese $ctr4b, $rk7 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 7 | |
6891 | ||
6892 | aese $ctr6b, $rk7 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 7 | |
6893 | aese $ctr2b, $rk7 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 7 | |
6894 | eor3 $acc_hb, $acc_hb, $t4.16b, $t5.16b @ GHASH block 8k+4, 8k+5 - high | |
6895 | ||
6896 | aese $ctr0b, $rk7 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 7 | |
6897 | trn2 $res6.2d, $res7.2d, $res6.2d @ GHASH block 8k+6, 8k+7 - mid | |
6898 | aese $ctr3b, $rk7 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 7 | |
6899 | ||
6900 | aese $ctr0b, $rk8 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 8 | |
6901 | aese $ctr7b, $rk8 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 8 | |
6902 | aese $ctr4b, $rk8 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 8 | |
6903 | ||
6904 | aese $ctr1b, $rk8 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 8 | |
6905 | aese $ctr5b, $rk8 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 8 | |
6906 | aese $ctr6b, $rk8 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 8 | |
6907 | ||
6908 | aese $ctr3b, $rk8 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 8 | |
6909 | aese $ctr4b, $rk9 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 9 | |
6910 | eor $res4.16b, $res4.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
6911 | ||
6912 | aese $ctr0b, $rk9 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 9 | |
6913 | aese $ctr1b, $rk9 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 9 | |
6914 | eor $res6.16b, $res6.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
6915 | ||
6916 | aese $ctr6b, $rk9 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 9 | |
6917 | aese $ctr7b, $rk9 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 9 | |
6918 | pmull2 $t6.1q, $res4.2d, $h34k.2d @ GHASH block 8k+4 - mid | |
6919 | ||
6920 | aese $ctr2b, $rk8 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 8 | |
6921 | pmull $h34k.1q, $res4.1d, $h34k.1d @ GHASH block 8k+5 - mid | |
6922 | pmull2 $t8.1q, $res7.2d, $h1.2d @ GHASH block 8k+7 - high | |
6923 | ||
6924 | pmull2 $t9.1q, $res6.2d, $h12k.2d @ GHASH block 8k+6 - mid | |
6925 | pmull $h12k.1q, $res6.1d, $h12k.1d @ GHASH block 8k+7 - mid | |
6926 | pmull $h1.1q, $res7.1d, $h1.1d @ GHASH block 8k+7 - low | |
6927 | ||
6928 | ldp $rk10q, $rk11q, [$cc, #160] @ load rk10, rk11 | |
6929 | eor3 $acc_lb, $acc_lb, $h4.16b, $h3.16b @ GHASH block 8k+4, 8k+5 - low | |
6930 | eor3 $acc_mb, $acc_mb, $h34k.16b, $t6.16b @ GHASH block 8k+4, 8k+5 - mid | |
6931 | ||
6932 | aese $ctr2b, $rk9 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 9 | |
6933 | aese $ctr3b, $rk9 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 9 | |
6934 | aese $ctr5b, $rk9 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 9 | |
6935 | ||
6936 | eor3 $acc_hb, $acc_hb, $t7.16b, $t8.16b @ GHASH block 8k+6, 8k+7 - high | |
6937 | eor3 $acc_lb, $acc_lb, $h2.16b, $h1.16b @ GHASH block 8k+6, 8k+7 - low | |
6938 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
6939 | ||
6940 | eor3 $acc_mb, $acc_mb, $h12k.16b, $t9.16b @ GHASH block 8k+6, 8k+7 - mid | |
6941 | ||
6942 | aese $ctr4b, $rk10 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 10 | |
6943 | aese $ctr6b, $rk10 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 10 | |
6944 | aese $ctr5b, $rk10 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 10 | |
6945 | ||
6946 | aese $ctr0b, $rk10 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 10 | |
6947 | aese $ctr2b, $rk10 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 10 | |
6948 | aese $ctr3b, $rk10 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 10 | |
6949 | ||
6950 | eor3 $acc_mb, $acc_mb, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
6951 | ||
6952 | aese $ctr7b, $rk10 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 10 | |
6953 | aese $ctr1b, $rk10 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 10 | |
6954 | ldp $rk12q, $rk13q, [$cc, #192] @ load rk12, rk13 | |
6955 | ||
6956 | ext $t11.16b, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
6957 | ||
6958 | aese $ctr2b, $rk11 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 11 | |
6959 | aese $ctr1b, $rk11 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 11 | |
6960 | aese $ctr0b, $rk11 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 11 | |
6961 | ||
6962 | pmull $t12.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
6963 | aese $ctr3b, $rk11 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 11 | |
6964 | ||
6965 | aese $ctr7b, $rk11 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 11 | |
6966 | aese $ctr6b, $rk11 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 11 | |
6967 | aese $ctr4b, $rk11 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 11 | |
6968 | ||
6969 | aese $ctr5b, $rk11 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 11 | |
6970 | aese $ctr3b, $rk12 \n aesmc $ctr3b, $ctr3b @ AES block 8k+11 - round 12 | |
6971 | ||
6972 | eor3 $acc_mb, $acc_mb, $t12.16b, $t11.16b @ MODULO - fold into mid | |
6973 | ||
6974 | aese $ctr3b, $rk13 @ AES block 8k+11 - round 13 | |
6975 | aese $ctr2b, $rk12 \n aesmc $ctr2b, $ctr2b @ AES block 8k+10 - round 12 | |
6976 | aese $ctr6b, $rk12 \n aesmc $ctr6b, $ctr6b @ AES block 8k+14 - round 12 | |
6977 | ||
6978 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
6979 | aese $ctr4b, $rk12 \n aesmc $ctr4b, $ctr4b @ AES block 8k+12 - round 12 | |
6980 | aese $ctr7b, $rk12 \n aesmc $ctr7b, $ctr7b @ AES block 8k+15 - round 12 | |
6981 | ||
6982 | aese $ctr0b, $rk12 \n aesmc $ctr0b, $ctr0b @ AES block 8k+8 - round 12 | |
6983 | ldr $rk14q, [$cc, #224] @ load rk14 | |
6984 | aese $ctr1b, $rk12 \n aesmc $ctr1b, $ctr1b @ AES block 8k+9 - round 12 | |
6985 | ||
6986 | aese $ctr4b, $rk13 @ AES block 8k+12 - round 13 | |
6987 | ext $t11.16b, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
6988 | aese $ctr5b, $rk12 \n aesmc $ctr5b, $ctr5b @ AES block 8k+13 - round 12 | |
6989 | ||
6990 | aese $ctr6b, $rk13 @ AES block 8k+14 - round 13 | |
6991 | aese $ctr2b, $rk13 @ AES block 8k+10 - round 13 | |
6992 | aese $ctr1b, $rk13 @ AES block 8k+9 - round 13 | |
6993 | ||
6994 | aese $ctr5b, $rk13 @ AES block 8k+13 - round 13 | |
6995 | eor3 $acc_lb, $acc_lb, $t11.16b, $acc_hb @ MODULO - fold into low | |
6996 | add $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s @ CTR block 8k+15 | |
6997 | ||
6998 | aese $ctr7b, $rk13 @ AES block 8k+15 - round 13 | |
6999 | aese $ctr0b, $rk13 @ AES block 8k+8 - round 13 | |
7000 | .L256_dec_tail: @ TAIL | |
7001 | ||
7002 | ext $t0.16b, $acc_lb, $acc_lb, #8 @ prepare final partial tag | |
7003 | sub $main_end_input_ptr, $end_input_ptr, $input_ptr @ main_end_input_ptr is number of bytes left to process | |
7004 | cmp $main_end_input_ptr, #112 | |
7005 | ||
7006 | ldr $res1q, [$input_ptr], #16 @ AES block 8k+8 - load ciphertext | |
7007 | ||
3b5b9199 | 7008 | ldp $h78kq, $h8q, [$current_tag, #192] @ load h8k | h7k |
954f45ba X |
7009 | ext $h8.16b, $h8.16b, $h8.16b, #8 |
7010 | mov $t1.16b, $rk14 | |
7011 | ||
7012 | ldp $h5q, $h56kq, [$current_tag, #128] @ load h5l | h5h | |
7013 | ext $h5.16b, $h5.16b, $h5.16b, #8 | |
7014 | ||
7015 | eor3 $res4b, $res1b, $ctr0b, $t1.16b @ AES block 8k+8 - result | |
7016 | ldp $h6q, $h7q, [$current_tag, #160] @ load h6l | h6h | |
7017 | ext $h6.16b, $h6.16b, $h6.16b, #8 | |
7018 | ext $h7.16b, $h7.16b, $h7.16b, #8 | |
7019 | b.gt .L256_dec_blocks_more_than_7 | |
7020 | ||
7021 | mov $ctr7b, $ctr6b | |
7022 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
7023 | mov $ctr6b, $ctr5b | |
7024 | ||
7025 | mov $ctr5b, $ctr4b | |
7026 | mov $ctr4b, $ctr3b | |
7027 | movi $acc_l.8b, #0 | |
7028 | ||
7029 | movi $acc_h.8b, #0 | |
7030 | movi $acc_m.8b, #0 | |
7031 | mov $ctr3b, $ctr2b | |
7032 | ||
7033 | cmp $main_end_input_ptr, #96 | |
7034 | mov $ctr2b, $ctr1b | |
7035 | b.gt .L256_dec_blocks_more_than_6 | |
7036 | ||
7037 | mov $ctr7b, $ctr6b | |
7038 | mov $ctr6b, $ctr5b | |
7039 | ||
7040 | mov $ctr5b, $ctr4b | |
7041 | cmp $main_end_input_ptr, #80 | |
7042 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
7043 | ||
7044 | mov $ctr4b, $ctr3b | |
7045 | mov $ctr3b, $ctr1b | |
7046 | b.gt .L256_dec_blocks_more_than_5 | |
7047 | ||
7048 | cmp $main_end_input_ptr, #64 | |
7049 | mov $ctr7b, $ctr6b | |
7050 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
7051 | ||
7052 | mov $ctr6b, $ctr5b | |
7053 | ||
7054 | mov $ctr5b, $ctr4b | |
7055 | mov $ctr4b, $ctr1b | |
7056 | b.gt .L256_dec_blocks_more_than_4 | |
7057 | ||
7058 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
7059 | mov $ctr7b, $ctr6b | |
7060 | cmp $main_end_input_ptr, #48 | |
7061 | ||
7062 | mov $ctr6b, $ctr5b | |
7063 | mov $ctr5b, $ctr1b | |
7064 | b.gt .L256_dec_blocks_more_than_3 | |
7065 | ||
7066 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
7067 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
7068 | mov $ctr7b, $ctr6b | |
7069 | ||
7070 | cmp $main_end_input_ptr, #32 | |
7071 | mov $ctr6b, $ctr1b | |
7072 | b.gt .L256_dec_blocks_more_than_2 | |
7073 | ||
7074 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
7075 | ||
7076 | mov $ctr7b, $ctr1b | |
7077 | cmp $main_end_input_ptr, #16 | |
7078 | b.gt .L256_dec_blocks_more_than_1 | |
7079 | ||
7080 | sub $rtmp_ctr.4s, $rtmp_ctr.4s, $rctr_inc.4s | |
7081 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
7082 | b .L256_dec_blocks_less_than_1 | |
7083 | .L256_dec_blocks_more_than_7: @ blocks left > 7 | |
7084 | rev64 $res0b, $res1b @ GHASH final-7 block | |
7085 | ldr $res1q, [$input_ptr], #16 @ AES final-6 block - load ciphertext | |
7086 | st1 { $res4b}, [$output_ptr], #16 @ AES final-7 block - store result | |
7087 | ||
7088 | ins $acc_m.d[0], $h78k.d[1] @ GHASH final-7 block - mid | |
7089 | ||
7090 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7091 | ||
7092 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-7 block - mid | |
7093 | eor3 $res4b, $res1b, $ctr1b, $t1.16b @ AES final-6 block - result | |
7094 | ||
7095 | pmull2 $acc_h.1q, $res0.2d, $h8.2d @ GHASH final-7 block - high | |
7096 | ||
7097 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-7 block - mid | |
eb4129e1 | 7098 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
7099 | |
7100 | pmull $acc_l.1q, $res0.1d, $h8.1d @ GHASH final-7 block - low | |
7101 | pmull $acc_m.1q, $rk4v.1d, $acc_m.1d @ GHASH final-7 block - mid | |
7102 | .L256_dec_blocks_more_than_6: @ blocks left > 6 | |
7103 | ||
7104 | rev64 $res0b, $res1b @ GHASH final-6 block | |
7105 | ||
7106 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7107 | ldr $res1q, [$input_ptr], #16 @ AES final-5 block - load ciphertext | |
eb4129e1 | 7108 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
7109 | |
7110 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-6 block - mid | |
7111 | st1 { $res4b}, [$output_ptr], #16 @ AES final-6 block - store result | |
7112 | pmull2 $rk2q1, $res0.2d, $h7.2d @ GHASH final-6 block - high | |
7113 | ||
7114 | pmull $rk3q1, $res0.1d, $h7.1d @ GHASH final-6 block - low | |
7115 | ||
7116 | eor3 $res4b, $res1b, $ctr2b, $t1.16b @ AES final-5 block - result | |
7117 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-6 block - low | |
7118 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-6 block - mid | |
7119 | ||
7120 | pmull $rk4v.1q, $rk4v.1d, $h78k.1d @ GHASH final-6 block - mid | |
7121 | ||
7122 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-6 block - mid | |
7123 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-6 block - high | |
7124 | .L256_dec_blocks_more_than_5: @ blocks left > 5 | |
7125 | ||
7126 | rev64 $res0b, $res1b @ GHASH final-5 block | |
7127 | ||
7128 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7129 | ||
7130 | pmull2 $rk2q1, $res0.2d, $h6.2d @ GHASH final-5 block - high | |
7131 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-5 block - mid | |
7132 | ||
7133 | ldr $res1q, [$input_ptr], #16 @ AES final-4 block - load ciphertext | |
7134 | ||
7135 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-5 block - mid | |
7136 | st1 { $res4b}, [$output_ptr], #16 @ AES final-5 block - store result | |
7137 | ||
7138 | pmull $rk3q1, $res0.1d, $h6.1d @ GHASH final-5 block - low | |
7139 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-5 block - mid | |
7140 | ||
7141 | pmull2 $rk4v.1q, $rk4v.2d, $h56k.2d @ GHASH final-5 block - mid | |
7142 | ||
7143 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-5 block - high | |
7144 | eor3 $res4b, $res1b, $ctr3b, $t1.16b @ AES final-4 block - result | |
7145 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-5 block - low | |
7146 | ||
7147 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-5 block - mid | |
eb4129e1 | 7148 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
7149 | .L256_dec_blocks_more_than_4: @ blocks left > 4 |
7150 | ||
7151 | rev64 $res0b, $res1b @ GHASH final-4 block | |
7152 | ||
7153 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7154 | ||
7155 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-4 block - mid | |
7156 | ldr $res1q, [$input_ptr], #16 @ AES final-3 block - load ciphertext | |
7157 | ||
eb4129e1 | 7158 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
7159 | |
7160 | pmull $rk3q1, $res0.1d, $h5.1d @ GHASH final-4 block - low | |
7161 | pmull2 $rk2q1, $res0.2d, $h5.2d @ GHASH final-4 block - high | |
7162 | ||
7163 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-4 block - mid | |
7164 | ||
7165 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-4 block - high | |
7166 | ||
7167 | pmull $rk4v.1q, $rk4v.1d, $h56k.1d @ GHASH final-4 block - mid | |
7168 | ||
7169 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-4 block - low | |
7170 | st1 { $res4b}, [$output_ptr], #16 @ AES final-4 block - store result | |
7171 | ||
7172 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-4 block - mid | |
7173 | eor3 $res4b, $res1b, $ctr4b, $t1.16b @ AES final-3 block - result | |
7174 | .L256_dec_blocks_more_than_3: @ blocks left > 3 | |
7175 | ||
7176 | ldr $h4q, [$current_tag, #112] @ load h4l | h4h | |
7177 | ext $h4.16b, $h4.16b, $h4.16b, #8 | |
7178 | rev64 $res0b, $res1b @ GHASH final-3 block | |
7179 | ||
7180 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7181 | ldr $res1q, [$input_ptr], #16 @ AES final-2 block - load ciphertext | |
7182 | ldr $h34kq, [$current_tag, #96] @ load h4k | h3k | |
7183 | ||
7184 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-3 block - mid | |
7185 | st1 { $res4b}, [$output_ptr], #16 @ AES final-3 block - store result | |
7186 | ||
7187 | eor3 $res4b, $res1b, $ctr5b, $t1.16b @ AES final-2 block - result | |
7188 | ||
7189 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-3 block - mid | |
7190 | ||
7191 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-3 block - mid | |
7192 | pmull $rk3q1, $res0.1d, $h4.1d @ GHASH final-3 block - low | |
7193 | pmull2 $rk2q1, $res0.2d, $h4.2d @ GHASH final-3 block - high | |
7194 | ||
eb4129e1 | 7195 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
7196 | pmull2 $rk4v.1q, $rk4v.2d, $h34k.2d @ GHASH final-3 block - mid |
7197 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-3 block - low | |
7198 | ||
7199 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-3 block - high | |
7200 | ||
7201 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-3 block - mid | |
7202 | .L256_dec_blocks_more_than_2: @ blocks left > 2 | |
7203 | ||
7204 | rev64 $res0b, $res1b @ GHASH final-2 block | |
7205 | ||
7206 | ldr $h3q, [$current_tag, #80] @ load h3l | h3h | |
7207 | ext $h3.16b, $h3.16b, $h3.16b, #8 | |
7208 | ldr $res1q, [$input_ptr], #16 @ AES final-1 block - load ciphertext | |
7209 | ||
7210 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7211 | ||
7212 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-2 block - mid | |
7213 | ||
7214 | pmull $rk3q1, $res0.1d, $h3.1d @ GHASH final-2 block - low | |
7215 | st1 { $res4b}, [$output_ptr], #16 @ AES final-2 block - store result | |
7216 | eor3 $res4b, $res1b, $ctr6b, $t1.16b @ AES final-1 block - result | |
7217 | ||
7218 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-2 block - mid | |
7219 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-2 block - low | |
eb4129e1 | 7220 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
7221 | |
7222 | pmull $rk4v.1q, $rk4v.1d, $h34k.1d @ GHASH final-2 block - mid | |
7223 | pmull2 $rk2q1, $res0.2d, $h3.2d @ GHASH final-2 block - high | |
7224 | ||
7225 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-2 block - mid | |
7226 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-2 block - high | |
7227 | .L256_dec_blocks_more_than_1: @ blocks left > 1 | |
7228 | ||
7229 | rev64 $res0b, $res1b @ GHASH final-1 block | |
7230 | ||
7231 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7232 | ||
7233 | ins $rk4v.d[0], $res0.d[1] @ GHASH final-1 block - mid | |
3b5b9199 | 7234 | ldr $h2q, [$current_tag, #64] @ load h2l | h2h |
954f45ba X |
7235 | ext $h2.16b, $h2.16b, $h2.16b, #8 |
7236 | ||
7237 | eor $rk4v.8b, $rk4v.8b, $res0.8b @ GHASH final-1 block - mid | |
7238 | ldr $res1q, [$input_ptr], #16 @ AES final block - load ciphertext | |
7239 | st1 { $res4b}, [$output_ptr], #16 @ AES final-1 block - store result | |
7240 | ||
7241 | ldr $h12kq, [$current_tag, #48] @ load h2k | h1k | |
7242 | pmull $rk3q1, $res0.1d, $h2.1d @ GHASH final-1 block - low | |
7243 | ||
7244 | ins $rk4v.d[1], $rk4v.d[0] @ GHASH final-1 block - mid | |
7245 | ||
7246 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final-1 block - low | |
7247 | ||
7248 | eor3 $res4b, $res1b, $ctr7b, $t1.16b @ AES final block - result | |
7249 | pmull2 $rk2q1, $res0.2d, $h2.2d @ GHASH final-1 block - high | |
7250 | ||
7251 | pmull2 $rk4v.1q, $rk4v.2d, $h12k.2d @ GHASH final-1 block - mid | |
7252 | ||
eb4129e1 | 7253 | movi $t0.8b, #0 @ suppress further partial tag feed in |
954f45ba X |
7254 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final-1 block - high |
7255 | ||
7256 | eor $acc_mb, $acc_mb, $rk4v.16b @ GHASH final-1 block - mid | |
7257 | .L256_dec_blocks_less_than_1: @ blocks left <= 1 | |
7258 | ||
7259 | ld1 { $rk0}, [$output_ptr] @ load existing bytes where the possibly partial last block is to be stored | |
7260 | mvn $temp0_x, xzr @ temp0_x = 0xffffffffffffffff | |
7261 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
7262 | ||
7263 | sub $bit_length, $bit_length, #128 @ bit_length -= 128 | |
7264 | rev32 $rtmp_ctr.16b, $rtmp_ctr.16b | |
7265 | str $rtmp_ctrq, [$counter] @ store the updated counter | |
7266 | ||
7267 | neg $bit_length, $bit_length @ bit_length = 128 - #bits in input (in range [1,128]) | |
7268 | ||
7269 | and $bit_length, $bit_length, #127 @ bit_length %= 128 | |
7270 | ||
7271 | lsr $temp0_x, $temp0_x, $bit_length @ temp0_x is mask for top 64b of last block | |
7272 | cmp $bit_length, #64 | |
7273 | mvn $temp1_x, xzr @ temp1_x = 0xffffffffffffffff | |
7274 | ||
7275 | csel $temp3_x, $temp0_x, xzr, lt | |
7276 | csel $temp2_x, $temp1_x, $temp0_x, lt | |
7277 | ||
7278 | mov $ctr0.d[0], $temp2_x @ ctr0b is mask for last block | |
7279 | mov $ctr0.d[1], $temp3_x | |
7280 | ||
7281 | and $res1b, $res1b, $ctr0b @ possibly partial last block has zeroes in highest bits | |
7282 | ldr $h1q, [$current_tag, #32] @ load h1l | h1h | |
7283 | ext $h1.16b, $h1.16b, $h1.16b, #8 | |
7284 | bif $res4b, $rk0, $ctr0b @ insert existing bytes in top end of result before storing | |
7285 | ||
7286 | rev64 $res0b, $res1b @ GHASH final block | |
7287 | ||
7288 | eor $res0b, $res0b, $t0.16b @ feed in partial tag | |
7289 | ||
7290 | ins $t0.d[0], $res0.d[1] @ GHASH final block - mid | |
7291 | pmull2 $rk2q1, $res0.2d, $h1.2d @ GHASH final block - high | |
7292 | ||
7293 | eor $t0.8b, $t0.8b, $res0.8b @ GHASH final block - mid | |
7294 | ||
7295 | pmull $rk3q1, $res0.1d, $h1.1d @ GHASH final block - low | |
7296 | eor $acc_hb, $acc_hb, $rk2 @ GHASH final block - high | |
7297 | ||
7298 | pmull $t0.1q, $t0.1d, $h12k.1d @ GHASH final block - mid | |
7299 | ||
7300 | eor $acc_mb, $acc_mb, $t0.16b @ GHASH final block - mid | |
7301 | ldr $mod_constantd, [$modulo_constant] @ MODULO - load modulo constant | |
7302 | eor $acc_lb, $acc_lb, $rk3 @ GHASH final block - low | |
7303 | ||
7304 | pmull $t11.1q, $acc_h.1d, $mod_constant.1d @ MODULO - top 64b align with mid | |
7305 | eor $t10.16b, $acc_hb, $acc_lb @ MODULO - karatsuba tidy up | |
7306 | ||
7307 | ext $acc_hb, $acc_hb, $acc_hb, #8 @ MODULO - other top alignment | |
7308 | st1 { $res4b}, [$output_ptr] @ store all 16B | |
7309 | ||
7310 | eor $acc_mb, $acc_mb, $t10.16b @ MODULO - karatsuba tidy up | |
7311 | ||
7312 | eor $t11.16b, $acc_hb, $t11.16b @ MODULO - fold into mid | |
7313 | eor $acc_mb, $acc_mb, $t11.16b @ MODULO - fold into mid | |
7314 | ||
7315 | pmull $acc_h.1q, $acc_m.1d, $mod_constant.1d @ MODULO - mid 64b align with low | |
7316 | ||
7317 | ext $acc_mb, $acc_mb, $acc_mb, #8 @ MODULO - other mid alignment | |
7318 | eor $acc_lb, $acc_lb, $acc_hb @ MODULO - fold into low | |
7319 | ||
7320 | eor $acc_lb, $acc_lb, $acc_mb @ MODULO - fold into low | |
7321 | ext $acc_lb, $acc_lb, $acc_lb, #8 | |
7322 | rev64 $acc_lb, $acc_lb | |
7323 | st1 { $acc_l.16b }, [$current_tag] | |
4596c20b | 7324 | mov x0, $byte_length |
954f45ba X |
7325 | |
7326 | ldp d10, d11, [sp, #16] | |
7327 | ldp d12, d13, [sp, #32] | |
7328 | ldp d14, d15, [sp, #48] | |
7329 | ldp d8, d9, [sp], #80 | |
7330 | ret | |
7331 | ||
7332 | .L256_dec_ret: | |
7333 | mov w0, #0x0 | |
7334 | ret | |
7335 | .size unroll8_eor3_aes_gcm_dec_256_kernel,.-unroll8_eor3_aes_gcm_dec_256_kernel | |
7336 | ___ | |
7337 | } | |
7338 | } | |
7339 | ||
7340 | $code.=<<___; | |
7341 | .asciz "AES GCM module for ARMv8, SPDX BSD-3-Clause by <xiaokang.qian\@arm.com>" | |
7342 | .align 2 | |
7343 | #endif | |
7344 | ___ | |
7345 | ||
7346 | { | |
7347 | my %opcode = ( | |
7348 | "rax1" => 0xce608c00, "eor3" => 0xce000000, | |
7349 | "bcax" => 0xce200000, "xar" => 0xce800000 ); | |
7350 | ||
7351 | sub unsha3 { | |
7352 | my ($mnemonic,$arg)=@_; | |
7353 | ||
7354 | $arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv#]([0-9\-]+))?)?/ | |
7355 | && | |
7356 | sprintf ".inst\t0x%08x\t//%s %s", | |
7357 | $opcode{$mnemonic}|$1|($2<<5)|($3<<16)|(eval($4)<<10), | |
7358 | $mnemonic,$arg; | |
7359 | } | |
7360 | sub unvmov { | |
7361 | my $arg=shift; | |
7362 | ||
7363 | $arg =~ m/q([0-9]+)#(lo|hi),\s*q([0-9]+)#(lo|hi)/o && | |
7364 | sprintf "ins v%d.d[%d],v%d.d[%d]",$1<8?$1:$1+8,($2 eq "lo")?0:1, | |
7365 | $3<8?$3:$3+8,($4 eq "lo")?0:1; | |
7366 | } | |
7367 | ||
7368 | foreach(split("\n",$code)) { | |
7369 | s/@\s/\/\//o; # old->new style commentary | |
7370 | s/\`([^\`]*)\`/eval($1)/ge; | |
7371 | ||
7372 | m/\bld1r\b/ and s/\.16b/.2d/g or | |
7373 | s/\b(eor3|rax1|xar|bcax)\s+(v.*)/unsha3($1,$2)/ge; | |
7374 | print $_,"\n"; | |
7375 | } | |
7376 | } | |
7377 | ||
7378 | close STDOUT or die "error closing STDOUT: $!"; # enforce flush |