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4ec93a10 AP |
1 | #!/usr/bin/env perl |
2 | ||
3 | ################################################################### | |
4 | ### AES-128 [originally in CTR mode] ### | |
5 | ### bitsliced implementation for Intel Core 2 processors ### | |
6 | ### requires support of SSE extensions up to SSSE3 ### | |
11272648 | 7 | ### Author: Emilia Käsper and Peter Schwabe ### |
4ec93a10 AP |
8 | ### Date: 2009-03-19 ### |
9 | ### Public domain ### | |
10 | ### ### | |
11 | ### See http://homes.esat.kuleuven.be/~ekasper/#software for ### | |
12 | ### further information. ### | |
13 | ################################################################### | |
14 | # | |
15 | # September 2011. | |
16 | # | |
17 | # Started as transliteration to "perlasm" the original code has | |
18 | # undergone following changes: | |
19 | # | |
20 | # - code was made position-independent; | |
21 | # - rounds were folded into a loop resulting in >5x size reduction | |
22 | # from 12.5KB to 2.2KB; | |
23 | # - above was possibile thanks to mixcolumns() modification that | |
24 | # allowed to feed its output back to aesenc[last], this was | |
25 | # achieved at cost of two additional inter-registers moves; | |
26 | # - some instruction reordering and interleaving; | |
27 | # - this module doesn't implement key setup subroutine, instead it | |
28 | # relies on conversion of "conventional" key schedule as returned | |
29 | # by AES_set_encrypt_key (see discussion below); | |
30 | # - first and last round keys are treated differently, which allowed | |
31 | # to skip one shiftrows(), reduce bit-sliced key schedule and | |
32 | # speed-up conversion by 22%; | |
33 | # - support for 192- and 256-bit keys was added; | |
34 | # | |
35 | # Resulting performance in CPU cycles spent to encrypt one byte out | |
36 | # of 4096-byte buffer with 128-bit key is: | |
37 | # | |
38 | # Emilia's this(*) difference | |
39 | # | |
40 | # Core 2 9.30 8.69 +7% | |
41 | # Nehalem(**) 7.63 6.98 +9% | |
42 | # Atom 17.1 17.4 -2%(***) | |
43 | # | |
44 | # (*) Comparison is not completely fair, because "this" is ECB, | |
45 | # i.e. no extra processing such as counter values calculation | |
46 | # and xor-ing input as in Emilia's CTR implementation is | |
47 | # performed. However, the CTR calculations stand for not more | |
48 | # than 1% of total time, so comparison is *rather* fair. | |
49 | # | |
50 | # (**) Results were collected on Westmere, which is considered to | |
51 | # be equivalent to Nehalem for this code. | |
52 | # | |
53 | # (***) Slowdown on Atom is rather strange per se, because original | |
54 | # implementation has a number of 9+-bytes instructions, which | |
55 | # are bad for Atom front-end, and which I eliminated completely. | |
56 | # In attempt to address deterioration sbox() was tested in FP | |
57 | # SIMD "domain" (movaps instead of movdqa, xorps instead of | |
58 | # pxor, etc.). While it resulted in nominal 4% improvement on | |
59 | # Atom, it hurted Westmere by more than 2x factor. | |
60 | # | |
61 | # As for key schedule conversion subroutine. Interface to OpenSSL | |
62 | # relies on per-invocation on-the-fly conversion. This naturally | |
63 | # has impact on performance, especially for short inputs. Conversion | |
64 | # time in CPU cycles and its ratio to CPU cycles spent in 8x block | |
65 | # function is: | |
66 | # | |
67 | # conversion conversion/8x block | |
f9ef874a AP |
68 | # Core 2 240 0.22 |
69 | # Nehalem 180 0.20 | |
70 | # Atom 430 0.19 | |
4ec93a10 AP |
71 | # |
72 | # The ratio values mean that 128-byte blocks will be processed | |
f9ef874a | 73 | # 16-18% slower, 256-byte blocks - 9-10%, 384-byte blocks - 6-7%, |
4ec93a10 AP |
74 | # etc. Then keep in mind that input sizes not divisible by 128 are |
75 | # *effectively* slower, especially shortest ones, e.g. consecutive | |
76 | # 144-byte blocks are processed 44% slower than one would expect, | |
77 | # 272 - 29%, 400 - 22%, etc. Yet, despite all these "shortcomings" | |
78 | # it's still faster than ["hyper-threading-safe" code path in] | |
79 | # aes-x86_64.pl on all lengths above 64 bytes... | |
80 | # | |
28507577 AP |
81 | # October 2011. |
82 | # | |
b08259cd AP |
83 | # Add decryption procedure. Performance in CPU cycles spent to decrypt |
84 | # one byte out of 4096-byte buffer with 128-bit key is: | |
85 | # | |
6f6a6130 AP |
86 | # Core 2 9.83 |
87 | # Nehalem 7.74 | |
88 | # Atom 18.9 (estimated, not measured yet) | |
28507577 | 89 | # |
60d4e99c AP |
90 | # November 2011. |
91 | # | |
fe068648 AP |
92 | # Add bsaes_xts_[en|de]crypt. Less-than-80-bytes-block performance is |
93 | # suboptimal, but XTS is meant to be used with larger blocks... | |
60d4e99c | 94 | # |
4ec93a10 AP |
95 | # <appro@openssl.org> |
96 | ||
97 | $flavour = shift; | |
98 | $output = shift; | |
99 | if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } | |
100 | ||
101 | $win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); | |
102 | ||
103 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; | |
104 | ( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or | |
105 | ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or | |
106 | die "can't locate x86_64-xlate.pl"; | |
107 | ||
46bf83f0 AP |
108 | open OUT,"| \"$^X\" $xlate $flavour $output"; |
109 | *STDOUT=*OUT; | |
4ec93a10 AP |
110 | |
111 | my ($inp,$out,$len,$key,$ivp)=("%rdi","%rsi","%rdx","%rcx"); | |
112 | my @XMM=map("%xmm$_",(15,0..14)); # best on Atom, +10% over (0..15) | |
fe068648 | 113 | my $ecb=0; # suppress unreferenced ECB subroutines, spare some space... |
4ec93a10 AP |
114 | |
115 | { | |
116 | my ($key,$rounds,$const)=("%rax","%r10d","%r11"); | |
117 | ||
28507577 | 118 | sub Sbox { |
4ec93a10 AP |
119 | # input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb |
120 | # output in lsb > [b0, b1, b4, b6, b3, b7, b2, b5] < msb | |
121 | my @b=@_[0..7]; | |
122 | my @t=@_[8..11]; | |
123 | my @s=@_[12..15]; | |
124 | &InBasisChange (@b); | |
125 | &Inv_GF256 (@b[6,5,0,3,7,1,4,2],@t,@s); | |
126 | &OutBasisChange (@b[7,1,4,2,6,5,0,3]); | |
127 | } | |
128 | ||
129 | sub InBasisChange { | |
130 | # input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb | |
131 | # output in lsb > [b6, b5, b0, b3, b7, b1, b4, b2] < msb | |
132 | my @b=@_[0..7]; | |
133 | $code.=<<___; | |
134 | pxor @b[6], @b[5] | |
135 | pxor @b[1], @b[2] | |
28507577 | 136 | pxor @b[0], @b[3] |
4ec93a10 | 137 | pxor @b[2], @b[6] |
28507577 | 138 | pxor @b[0], @b[5] |
4ec93a10 AP |
139 | |
140 | pxor @b[3], @b[6] | |
141 | pxor @b[7], @b[3] | |
142 | pxor @b[5], @b[7] | |
143 | pxor @b[4], @b[3] | |
144 | pxor @b[5], @b[4] | |
145 | pxor @b[1], @b[3] | |
146 | ||
147 | pxor @b[7], @b[2] | |
148 | pxor @b[5], @b[1] | |
149 | ___ | |
150 | } | |
151 | ||
152 | sub OutBasisChange { | |
153 | # input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb | |
154 | # output in lsb > [b6, b1, b2, b4, b7, b0, b3, b5] < msb | |
155 | my @b=@_[0..7]; | |
156 | $code.=<<___; | |
157 | pxor @b[6], @b[0] | |
158 | pxor @b[4], @b[1] | |
159 | pxor @b[0], @b[2] | |
160 | pxor @b[6], @b[4] | |
161 | pxor @b[1], @b[6] | |
162 | ||
163 | pxor @b[5], @b[1] | |
164 | pxor @b[3], @b[5] | |
165 | pxor @b[7], @b[3] | |
166 | pxor @b[5], @b[7] | |
167 | pxor @b[5], @b[2] | |
168 | ||
169 | pxor @b[7], @b[4] | |
170 | ___ | |
171 | } | |
172 | ||
28507577 AP |
173 | sub InvSbox { |
174 | # input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb | |
175 | # output in lsb > [b0, b1, b6, b4, b2, b7, b3, b5] < msb | |
176 | my @b=@_[0..7]; | |
177 | my @t=@_[8..11]; | |
178 | my @s=@_[12..15]; | |
179 | &InvInBasisChange (@b); | |
180 | &Inv_GF256 (@b[5,1,2,6,3,7,0,4],@t,@s); | |
181 | &InvOutBasisChange (@b[3,7,0,4,5,1,2,6]); | |
182 | } | |
183 | ||
184 | sub InvInBasisChange { # OutBasisChange in reverse | |
185 | my @b=@_[5,1,2,6,3,7,0,4]; | |
186 | $code.=<<___ | |
187 | pxor @b[7], @b[4] | |
188 | ||
189 | pxor @b[5], @b[7] | |
190 | pxor @b[5], @b[2] | |
191 | pxor @b[7], @b[3] | |
192 | pxor @b[3], @b[5] | |
193 | pxor @b[5], @b[1] | |
194 | ||
195 | pxor @b[1], @b[6] | |
196 | pxor @b[0], @b[2] | |
197 | pxor @b[6], @b[4] | |
198 | pxor @b[6], @b[0] | |
199 | pxor @b[4], @b[1] | |
200 | ___ | |
201 | } | |
202 | ||
203 | sub InvOutBasisChange { # InBasisChange in reverse | |
204 | my @b=@_[2,5,7,3,6,1,0,4]; | |
205 | $code.=<<___; | |
206 | pxor @b[5], @b[1] | |
207 | pxor @b[7], @b[2] | |
208 | ||
209 | pxor @b[1], @b[3] | |
210 | pxor @b[5], @b[4] | |
211 | pxor @b[5], @b[7] | |
212 | pxor @b[4], @b[3] | |
213 | pxor @b[0], @b[5] | |
214 | pxor @b[7], @b[3] | |
215 | pxor @b[2], @b[6] | |
216 | pxor @b[1], @b[2] | |
217 | pxor @b[3], @b[6] | |
218 | ||
219 | pxor @b[0], @b[3] | |
220 | pxor @b[6], @b[5] | |
221 | ___ | |
222 | } | |
223 | ||
4ec93a10 AP |
224 | sub Mul_GF4 { |
225 | #;************************************************************* | |
226 | #;* Mul_GF4: Input x0-x1,y0-y1 Output x0-x1 Temp t0 (8) * | |
227 | #;************************************************************* | |
228 | my ($x0,$x1,$y0,$y1,$t0)=@_; | |
229 | $code.=<<___; | |
230 | movdqa $y0, $t0 | |
231 | pxor $y1, $t0 | |
232 | pand $x0, $t0 | |
233 | pxor $x1, $x0 | |
234 | pand $y0, $x1 | |
235 | pand $y1, $x0 | |
236 | pxor $x1, $x0 | |
237 | pxor $t0, $x1 | |
238 | ___ | |
239 | } | |
240 | ||
241 | sub Mul_GF4_N { # not used, see next subroutine | |
242 | # multiply and scale by N | |
243 | my ($x0,$x1,$y0,$y1,$t0)=@_; | |
244 | $code.=<<___; | |
245 | movdqa $y0, $t0 | |
246 | pxor $y1, $t0 | |
247 | pand $x0, $t0 | |
248 | pxor $x1, $x0 | |
249 | pand $y0, $x1 | |
250 | pand $y1, $x0 | |
251 | pxor $x0, $x1 | |
252 | pxor $t0, $x0 | |
253 | ___ | |
254 | } | |
255 | ||
256 | sub Mul_GF4_N_GF4 { | |
257 | # interleaved Mul_GF4_N and Mul_GF4 | |
258 | my ($x0,$x1,$y0,$y1,$t0, | |
259 | $x2,$x3,$y2,$y3,$t1)=@_; | |
260 | $code.=<<___; | |
261 | movdqa $y0, $t0 | |
262 | movdqa $y2, $t1 | |
263 | pxor $y1, $t0 | |
264 | pxor $y3, $t1 | |
265 | pand $x0, $t0 | |
266 | pand $x2, $t1 | |
267 | pxor $x1, $x0 | |
268 | pxor $x3, $x2 | |
269 | pand $y0, $x1 | |
270 | pand $y2, $x3 | |
271 | pand $y1, $x0 | |
272 | pand $y3, $x2 | |
273 | pxor $x0, $x1 | |
274 | pxor $x3, $x2 | |
275 | pxor $t0, $x0 | |
276 | pxor $t1, $x3 | |
277 | ___ | |
278 | } | |
279 | sub Mul_GF16_2 { | |
280 | my @x=@_[0..7]; | |
281 | my @y=@_[8..11]; | |
282 | my @t=@_[12..15]; | |
283 | $code.=<<___; | |
284 | movdqa @x[0], @t[0] | |
285 | movdqa @x[1], @t[1] | |
286 | ___ | |
287 | &Mul_GF4 (@x[0], @x[1], @y[0], @y[1], @t[2]); | |
288 | $code.=<<___; | |
289 | pxor @x[2], @t[0] | |
290 | pxor @x[3], @t[1] | |
291 | pxor @y[2], @y[0] | |
292 | pxor @y[3], @y[1] | |
293 | ___ | |
294 | Mul_GF4_N_GF4 (@t[0], @t[1], @y[0], @y[1], @t[3], | |
295 | @x[2], @x[3], @y[2], @y[3], @t[2]); | |
296 | $code.=<<___; | |
297 | pxor @t[0], @x[0] | |
298 | pxor @t[0], @x[2] | |
299 | pxor @t[1], @x[1] | |
300 | pxor @t[1], @x[3] | |
301 | ||
302 | movdqa @x[4], @t[0] | |
303 | movdqa @x[5], @t[1] | |
304 | pxor @x[6], @t[0] | |
305 | pxor @x[7], @t[1] | |
306 | ___ | |
307 | &Mul_GF4_N_GF4 (@t[0], @t[1], @y[0], @y[1], @t[3], | |
308 | @x[6], @x[7], @y[2], @y[3], @t[2]); | |
309 | $code.=<<___; | |
310 | pxor @y[2], @y[0] | |
311 | pxor @y[3], @y[1] | |
312 | ___ | |
313 | &Mul_GF4 (@x[4], @x[5], @y[0], @y[1], @t[3]); | |
314 | $code.=<<___; | |
315 | pxor @t[0], @x[4] | |
316 | pxor @t[0], @x[6] | |
317 | pxor @t[1], @x[5] | |
318 | pxor @t[1], @x[7] | |
319 | ___ | |
320 | } | |
321 | sub Inv_GF256 { | |
322 | #;******************************************************************** | |
323 | #;* Inv_GF256: Input x0-x7 Output x0-x7 Temp t0-t3,s0-s3 (144) * | |
324 | #;******************************************************************** | |
325 | my @x=@_[0..7]; | |
326 | my @t=@_[8..11]; | |
327 | my @s=@_[12..15]; | |
328 | # direct optimizations from hardware | |
329 | $code.=<<___; | |
330 | movdqa @x[4], @t[3] | |
331 | movdqa @x[5], @t[2] | |
332 | movdqa @x[1], @t[1] | |
333 | movdqa @x[7], @s[1] | |
334 | movdqa @x[0], @s[0] | |
335 | ||
336 | pxor @x[6], @t[3] | |
337 | pxor @x[7], @t[2] | |
338 | pxor @x[3], @t[1] | |
339 | movdqa @t[3], @s[2] | |
340 | pxor @x[6], @s[1] | |
341 | movdqa @t[2], @t[0] | |
342 | pxor @x[2], @s[0] | |
343 | movdqa @t[3], @s[3] | |
344 | ||
345 | por @t[1], @t[2] | |
346 | por @s[0], @t[3] | |
347 | pxor @t[0], @s[3] | |
348 | pand @s[0], @s[2] | |
349 | pxor @t[1], @s[0] | |
350 | pand @t[1], @t[0] | |
351 | pand @s[0], @s[3] | |
352 | movdqa @x[3], @s[0] | |
353 | pxor @x[2], @s[0] | |
354 | pand @s[0], @s[1] | |
355 | pxor @s[1], @t[3] | |
356 | pxor @s[1], @t[2] | |
357 | movdqa @x[4], @s[1] | |
358 | movdqa @x[1], @s[0] | |
359 | pxor @x[5], @s[1] | |
360 | pxor @x[0], @s[0] | |
361 | movdqa @s[1], @t[1] | |
362 | pand @s[0], @s[1] | |
363 | por @s[0], @t[1] | |
364 | pxor @s[1], @t[0] | |
365 | pxor @s[3], @t[3] | |
366 | pxor @s[2], @t[2] | |
367 | pxor @s[3], @t[1] | |
368 | movdqa @x[7], @s[0] | |
369 | pxor @s[2], @t[0] | |
370 | movdqa @x[6], @s[1] | |
371 | pxor @s[2], @t[1] | |
372 | movdqa @x[5], @s[2] | |
373 | pand @x[3], @s[0] | |
374 | movdqa @x[4], @s[3] | |
375 | pand @x[2], @s[1] | |
376 | pand @x[1], @s[2] | |
377 | por @x[0], @s[3] | |
378 | pxor @s[0], @t[3] | |
379 | pxor @s[1], @t[2] | |
380 | pxor @s[2], @t[1] | |
381 | pxor @s[3], @t[0] | |
382 | ||
383 | #Inv_GF16 \t0, \t1, \t2, \t3, \s0, \s1, \s2, \s3 | |
384 | ||
385 | # new smaller inversion | |
386 | ||
387 | movdqa @t[3], @s[0] | |
388 | pand @t[1], @t[3] | |
389 | pxor @t[2], @s[0] | |
390 | ||
391 | movdqa @t[0], @s[2] | |
392 | movdqa @s[0], @s[3] | |
393 | pxor @t[3], @s[2] | |
394 | pand @s[2], @s[3] | |
395 | ||
396 | movdqa @t[1], @s[1] | |
397 | pxor @t[2], @s[3] | |
398 | pxor @t[0], @s[1] | |
399 | ||
400 | pxor @t[2], @t[3] | |
401 | ||
402 | pand @t[3], @s[1] | |
403 | ||
404 | movdqa @s[2], @t[2] | |
405 | pxor @t[0], @s[1] | |
406 | ||
407 | pxor @s[1], @t[2] | |
408 | pxor @s[1], @t[1] | |
409 | ||
410 | pand @t[0], @t[2] | |
411 | ||
412 | pxor @t[2], @s[2] | |
413 | pxor @t[2], @t[1] | |
414 | ||
415 | pand @s[3], @s[2] | |
416 | ||
417 | pxor @s[0], @s[2] | |
418 | ___ | |
419 | # output in s3, s2, s1, t1 | |
420 | ||
421 | # Mul_GF16_2 \x0, \x1, \x2, \x3, \x4, \x5, \x6, \x7, \t2, \t3, \t0, \t1, \s0, \s1, \s2, \s3 | |
422 | ||
423 | # Mul_GF16_2 \x0, \x1, \x2, \x3, \x4, \x5, \x6, \x7, \s3, \s2, \s1, \t1, \s0, \t0, \t2, \t3 | |
424 | &Mul_GF16_2(@x,@s[3,2,1],@t[1],@s[0],@t[0,2,3]); | |
425 | ||
426 | ### output msb > [x3,x2,x1,x0,x7,x6,x5,x4] < lsb | |
427 | } | |
428 | ||
429 | # AES linear components | |
430 | ||
28507577 | 431 | sub ShiftRows { |
4ec93a10 AP |
432 | my @x=@_[0..7]; |
433 | my $mask=pop; | |
434 | $code.=<<___; | |
435 | pxor 0x00($key),@x[0] | |
436 | pxor 0x10($key),@x[1] | |
437 | pshufb $mask,@x[0] | |
438 | pxor 0x20($key),@x[2] | |
439 | pshufb $mask,@x[1] | |
440 | pxor 0x30($key),@x[3] | |
441 | pshufb $mask,@x[2] | |
442 | pxor 0x40($key),@x[4] | |
443 | pshufb $mask,@x[3] | |
444 | pxor 0x50($key),@x[5] | |
445 | pshufb $mask,@x[4] | |
446 | pxor 0x60($key),@x[6] | |
447 | pshufb $mask,@x[5] | |
448 | pxor 0x70($key),@x[7] | |
449 | pshufb $mask,@x[6] | |
450 | lea 0x80($key),$key | |
451 | pshufb $mask,@x[7] | |
452 | ___ | |
453 | } | |
454 | ||
28507577 | 455 | sub MixColumns { |
4ec93a10 AP |
456 | # modified to emit output in order suitable for feeding back to aesenc[last] |
457 | my @x=@_[0..7]; | |
458 | my @t=@_[8..15]; | |
6f6a6130 | 459 | my $inv=@_[16]; # optional |
4ec93a10 AP |
460 | $code.=<<___; |
461 | pshufd \$0x93, @x[0], @t[0] # x0 <<< 32 | |
462 | pshufd \$0x93, @x[1], @t[1] | |
463 | pxor @t[0], @x[0] # x0 ^ (x0 <<< 32) | |
464 | pshufd \$0x93, @x[2], @t[2] | |
465 | pxor @t[1], @x[1] | |
466 | pshufd \$0x93, @x[3], @t[3] | |
467 | pxor @t[2], @x[2] | |
468 | pshufd \$0x93, @x[4], @t[4] | |
469 | pxor @t[3], @x[3] | |
470 | pshufd \$0x93, @x[5], @t[5] | |
471 | pxor @t[4], @x[4] | |
472 | pshufd \$0x93, @x[6], @t[6] | |
473 | pxor @t[5], @x[5] | |
474 | pshufd \$0x93, @x[7], @t[7] | |
475 | pxor @t[6], @x[6] | |
476 | pxor @t[7], @x[7] | |
477 | ||
478 | pxor @x[0], @t[1] | |
479 | pxor @x[7], @t[0] | |
480 | pxor @x[7], @t[1] | |
481 | pshufd \$0x4E, @x[0], @x[0] # (x0 ^ (x0 <<< 32)) <<< 64) | |
482 | pxor @x[1], @t[2] | |
483 | pshufd \$0x4E, @x[1], @x[1] | |
484 | pxor @x[4], @t[5] | |
485 | pxor @t[0], @x[0] | |
486 | pxor @x[5], @t[6] | |
487 | pxor @t[1], @x[1] | |
488 | pxor @x[3], @t[4] | |
489 | pshufd \$0x4E, @x[4], @t[0] | |
490 | pxor @x[6], @t[7] | |
491 | pshufd \$0x4E, @x[5], @t[1] | |
492 | pxor @x[2], @t[3] | |
493 | pshufd \$0x4E, @x[3], @x[4] | |
494 | pxor @x[7], @t[3] | |
495 | pshufd \$0x4E, @x[7], @x[5] | |
496 | pxor @x[7], @t[4] | |
497 | pshufd \$0x4E, @x[6], @x[3] | |
498 | pxor @t[4], @t[0] | |
499 | pshufd \$0x4E, @x[2], @x[6] | |
500 | pxor @t[5], @t[1] | |
6f6a6130 AP |
501 | ___ |
502 | $code.=<<___ if (!$inv); | |
4ec93a10 AP |
503 | pxor @t[3], @x[4] |
504 | pxor @t[7], @x[5] | |
505 | pxor @t[6], @x[3] | |
506 | movdqa @t[0], @x[2] | |
507 | pxor @t[2], @x[6] | |
508 | movdqa @t[1], @x[7] | |
509 | ___ | |
6f6a6130 AP |
510 | $code.=<<___ if ($inv); |
511 | pxor @x[4], @t[3] | |
512 | pxor @t[7], @x[5] | |
513 | pxor @x[3], @t[6] | |
514 | movdqa @t[0], @x[3] | |
515 | pxor @t[2], @x[6] | |
516 | movdqa @t[6], @x[2] | |
517 | movdqa @t[1], @x[7] | |
518 | movdqa @x[6], @x[4] | |
519 | movdqa @t[3], @x[6] | |
520 | ___ | |
4ec93a10 AP |
521 | } |
522 | ||
6f6a6130 | 523 | sub InvMixColumns_orig { |
28507577 AP |
524 | my @x=@_[0..7]; |
525 | my @t=@_[8..15]; | |
526 | ||
527 | $code.=<<___; | |
28507577 | 528 | # multiplication by 0x0e |
b08259cd AP |
529 | pshufd \$0x93, @x[7], @t[7] |
530 | movdqa @x[2], @t[2] | |
28507577 AP |
531 | pxor @x[5], @x[7] # 7 5 |
532 | pxor @x[5], @x[2] # 2 5 | |
b08259cd AP |
533 | pshufd \$0x93, @x[0], @t[0] |
534 | movdqa @x[5], @t[5] | |
28507577 AP |
535 | pxor @x[0], @x[5] # 5 0 [1] |
536 | pxor @x[1], @x[0] # 0 1 | |
b08259cd | 537 | pshufd \$0x93, @x[1], @t[1] |
28507577 AP |
538 | pxor @x[2], @x[1] # 1 25 |
539 | pxor @x[6], @x[0] # 01 6 [2] | |
540 | pxor @x[3], @x[1] # 125 3 [4] | |
b08259cd | 541 | pshufd \$0x93, @x[3], @t[3] |
28507577 AP |
542 | pxor @x[0], @x[2] # 25 016 [3] |
543 | pxor @x[7], @x[3] # 3 75 | |
544 | pxor @x[6], @x[7] # 75 6 [0] | |
b08259cd AP |
545 | pshufd \$0x93, @x[6], @t[6] |
546 | movdqa @x[4], @t[4] | |
28507577 AP |
547 | pxor @x[4], @x[6] # 6 4 |
548 | pxor @x[3], @x[4] # 4 375 [6] | |
549 | pxor @x[7], @x[3] # 375 756=36 | |
550 | pxor @t[5], @x[6] # 64 5 [7] | |
28507577 | 551 | pxor @t[2], @x[3] # 36 2 |
28507577 | 552 | pxor @t[4], @x[3] # 362 4 [5] |
b08259cd | 553 | pshufd \$0x93, @t[5], @t[5] |
28507577 AP |
554 | ___ |
555 | my @y = @x[7,5,0,2,1,3,4,6]; | |
556 | $code.=<<___; | |
557 | # multiplication by 0x0b | |
558 | pxor @y[0], @y[1] | |
559 | pxor @t[0], @y[0] | |
28507577 | 560 | pxor @t[1], @y[1] |
b08259cd AP |
561 | pshufd \$0x93, @t[2], @t[2] |
562 | pxor @t[5], @y[0] | |
563 | pxor @t[6], @y[1] | |
564 | pxor @t[7], @y[0] | |
565 | pshufd \$0x93, @t[4], @t[4] | |
28507577 | 566 | pxor @t[6], @t[7] # clobber t[7] |
b08259cd | 567 | pxor @y[0], @y[1] |
28507577 | 568 | |
b08259cd AP |
569 | pxor @t[0], @y[3] |
570 | pshufd \$0x93, @t[0], @t[0] | |
28507577 | 571 | pxor @t[1], @y[2] |
b08259cd | 572 | pxor @t[1], @y[4] |
28507577 | 573 | pxor @t[2], @y[2] |
b08259cd | 574 | pshufd \$0x93, @t[1], @t[1] |
28507577 | 575 | pxor @t[2], @y[3] |
b08259cd AP |
576 | pxor @t[2], @y[5] |
577 | pxor @t[7], @y[2] | |
578 | pshufd \$0x93, @t[2], @t[2] | |
28507577 | 579 | pxor @t[3], @y[3] |
b08259cd AP |
580 | pxor @t[3], @y[6] |
581 | pxor @t[3], @y[4] | |
582 | pshufd \$0x93, @t[3], @t[3] | |
583 | pxor @t[4], @y[7] | |
584 | pxor @t[4], @y[5] | |
28507577 | 585 | pxor @t[7], @y[7] |
b08259cd AP |
586 | pxor @t[5], @y[3] |
587 | pxor @t[4], @y[4] | |
28507577 AP |
588 | pxor @t[5], @t[7] # clobber t[7] even more |
589 | ||
b08259cd AP |
590 | pxor @t[7], @y[5] |
591 | pshufd \$0x93, @t[4], @t[4] | |
592 | pxor @t[7], @y[6] | |
593 | pxor @t[7], @y[4] | |
28507577 AP |
594 | |
595 | pxor @t[5], @t[7] | |
b08259cd | 596 | pshufd \$0x93, @t[5], @t[5] |
28507577 AP |
597 | pxor @t[6], @t[7] # restore t[7] |
598 | ||
b08259cd AP |
599 | # multiplication by 0x0d |
600 | pxor @y[7], @y[4] | |
601 | pxor @t[4], @y[7] | |
28507577 | 602 | pshufd \$0x93, @t[6], @t[6] |
b08259cd AP |
603 | pxor @t[0], @y[2] |
604 | pxor @t[5], @y[7] | |
605 | pxor @t[2], @y[2] | |
28507577 AP |
606 | pshufd \$0x93, @t[7], @t[7] |
607 | ||
28507577 AP |
608 | pxor @y[1], @y[3] |
609 | pxor @t[1], @y[1] | |
b08259cd | 610 | pxor @t[0], @y[0] |
28507577 | 611 | pxor @t[0], @y[3] |
b08259cd AP |
612 | pxor @t[5], @y[1] |
613 | pxor @t[5], @y[0] | |
614 | pxor @t[7], @y[1] | |
615 | pshufd \$0x93, @t[0], @t[0] | |
616 | pxor @t[6], @y[0] | |
617 | pxor @y[1], @y[3] | |
28507577 | 618 | pxor @t[1], @y[4] |
b08259cd | 619 | pshufd \$0x93, @t[1], @t[1] |
28507577 | 620 | |
b08259cd AP |
621 | pxor @t[7], @y[7] |
622 | pxor @t[2], @y[4] | |
28507577 | 623 | pxor @t[2], @y[5] |
b08259cd AP |
624 | pshufd \$0x93, @t[2], @t[2] |
625 | pxor @t[6], @y[2] | |
626 | pxor @t[3], @t[6] # clobber t[6] | |
627 | pxor @y[7], @y[4] | |
628 | pxor @t[6], @y[3] | |
28507577 AP |
629 | |
630 | pxor @t[6], @y[6] | |
b08259cd | 631 | pxor @t[5], @y[5] |
28507577 | 632 | pxor @t[4], @y[6] |
b08259cd AP |
633 | pshufd \$0x93, @t[4], @t[4] |
634 | pxor @t[6], @y[5] | |
635 | pxor @t[7], @y[6] | |
28507577 AP |
636 | pxor @t[3], @t[6] # restore t[6] |
637 | ||
28507577 AP |
638 | pshufd \$0x93, @t[5], @t[5] |
639 | pshufd \$0x93, @t[6], @t[6] | |
640 | pshufd \$0x93, @t[7], @t[7] | |
b08259cd | 641 | pshufd \$0x93, @t[3], @t[3] |
28507577 AP |
642 | |
643 | # multiplication by 0x09 | |
644 | pxor @y[1], @y[4] | |
b08259cd | 645 | pxor @y[1], @t[1] # t[1]=y[1] |
28507577 | 646 | pxor @t[5], @t[0] # clobber t[0] |
b08259cd | 647 | pxor @t[5], @t[1] |
28507577 | 648 | pxor @t[0], @y[3] |
b08259cd AP |
649 | pxor @y[0], @t[0] # t[0]=y[0] |
650 | pxor @t[6], @t[1] | |
651 | pxor @t[7], @t[6] # clobber t[6] | |
652 | pxor @t[1], @y[4] | |
28507577 | 653 | pxor @t[4], @y[7] |
b08259cd AP |
654 | pxor @y[4], @t[4] # t[4]=y[4] |
655 | pxor @t[3], @y[6] | |
656 | pxor @y[3], @t[3] # t[3]=y[3] | |
657 | pxor @t[2], @y[5] | |
658 | pxor @y[2], @t[2] # t[2]=y[2] | |
659 | pxor @t[7], @t[3] | |
660 | pxor @y[5], @t[5] # t[5]=y[5] | |
661 | pxor @t[6], @t[2] | |
662 | pxor @t[6], @t[5] | |
663 | pxor @y[6], @t[6] # t[6]=y[6] | |
664 | pxor @y[7], @t[7] # t[7]=y[7] | |
28507577 AP |
665 | |
666 | movdqa @t[0],@XMM[0] | |
667 | movdqa @t[1],@XMM[1] | |
668 | movdqa @t[2],@XMM[2] | |
669 | movdqa @t[3],@XMM[3] | |
670 | movdqa @t[4],@XMM[4] | |
671 | movdqa @t[5],@XMM[5] | |
672 | movdqa @t[6],@XMM[6] | |
673 | movdqa @t[7],@XMM[7] | |
674 | ___ | |
675 | } | |
676 | ||
6f6a6130 AP |
677 | sub InvMixColumns { |
678 | my @x=@_[0..7]; | |
679 | my @t=@_[8..15]; | |
680 | ||
681 | # Thanks to Jussi Kivilinna for providing pointer to | |
682 | # | |
683 | # | 0e 0b 0d 09 | | 02 03 01 01 | | 05 00 04 00 | | |
684 | # | 09 0e 0b 0d | = | 01 02 03 01 | x | 00 05 00 04 | | |
685 | # | 0d 09 0e 0b | | 01 01 02 03 | | 04 00 05 00 | | |
686 | # | 0b 0d 09 0e | | 03 01 01 02 | | 00 04 00 05 | | |
687 | ||
688 | $code.=<<___; | |
689 | # multiplication by 0x05-0x00-0x04-0x00 | |
690 | pshufd \$0x4E, @x[0], @t[0] | |
691 | pshufd \$0x4E, @x[6], @t[6] | |
692 | pxor @x[0], @t[0] | |
693 | pshufd \$0x4E, @x[7], @t[7] | |
694 | pxor @x[6], @t[6] | |
695 | pshufd \$0x4E, @x[1], @t[1] | |
696 | pxor @x[7], @t[7] | |
697 | pshufd \$0x4E, @x[2], @t[2] | |
698 | pxor @x[1], @t[1] | |
699 | pshufd \$0x4E, @x[3], @t[3] | |
700 | pxor @x[2], @t[2] | |
701 | pxor @t[6], @x[0] | |
702 | pxor @t[6], @x[1] | |
703 | pshufd \$0x4E, @x[4], @t[4] | |
704 | pxor @x[3], @t[3] | |
705 | pxor @t[0], @x[2] | |
706 | pxor @t[1], @x[3] | |
707 | pshufd \$0x4E, @x[5], @t[5] | |
708 | pxor @x[4], @t[4] | |
709 | pxor @t[7], @x[1] | |
710 | pxor @t[2], @x[4] | |
711 | pxor @x[5], @t[5] | |
712 | ||
713 | pxor @t[7], @x[2] | |
714 | pxor @t[6], @x[3] | |
715 | pxor @t[6], @x[4] | |
716 | pxor @t[3], @x[5] | |
717 | pxor @t[4], @x[6] | |
718 | pxor @t[7], @x[4] | |
719 | pxor @t[7], @x[5] | |
720 | pxor @t[5], @x[7] | |
721 | ___ | |
722 | &MixColumns (@x,@t,1); # flipped 2<->3 and 4<->6 | |
723 | } | |
724 | ||
4ec93a10 AP |
725 | sub aesenc { # not used |
726 | my @b=@_[0..7]; | |
727 | my @t=@_[8..15]; | |
728 | $code.=<<___; | |
729 | movdqa 0x30($const),@t[0] # .LSR | |
730 | ___ | |
28507577 AP |
731 | &ShiftRows (@b,@t[0]); |
732 | &Sbox (@b,@t); | |
733 | &MixColumns (@b[0,1,4,6,3,7,2,5],@t); | |
4ec93a10 AP |
734 | } |
735 | ||
736 | sub aesenclast { # not used | |
737 | my @b=@_[0..7]; | |
738 | my @t=@_[8..15]; | |
739 | $code.=<<___; | |
740 | movdqa 0x40($const),@t[0] # .LSRM0 | |
741 | ___ | |
28507577 AP |
742 | &ShiftRows (@b,@t[0]); |
743 | &Sbox (@b,@t); | |
4ec93a10 AP |
744 | $code.=<<___ |
745 | pxor 0x00($key),@b[0] | |
746 | pxor 0x10($key),@b[1] | |
747 | pxor 0x20($key),@b[4] | |
748 | pxor 0x30($key),@b[6] | |
749 | pxor 0x40($key),@b[3] | |
750 | pxor 0x50($key),@b[7] | |
751 | pxor 0x60($key),@b[2] | |
752 | pxor 0x70($key),@b[5] | |
753 | ___ | |
754 | } | |
755 | ||
756 | sub swapmove { | |
757 | my ($a,$b,$n,$mask,$t)=@_; | |
758 | $code.=<<___; | |
759 | movdqa $b,$t | |
760 | psrlq \$$n,$b | |
761 | pxor $a,$b | |
762 | pand $mask,$b | |
763 | pxor $b,$a | |
764 | psllq \$$n,$b | |
765 | pxor $t,$b | |
766 | ___ | |
767 | } | |
768 | sub swapmove2x { | |
769 | my ($a0,$b0,$a1,$b1,$n,$mask,$t0,$t1)=@_; | |
770 | $code.=<<___; | |
771 | movdqa $b0,$t0 | |
772 | psrlq \$$n,$b0 | |
773 | movdqa $b1,$t1 | |
774 | psrlq \$$n,$b1 | |
775 | pxor $a0,$b0 | |
776 | pxor $a1,$b1 | |
777 | pand $mask,$b0 | |
778 | pand $mask,$b1 | |
779 | pxor $b0,$a0 | |
780 | psllq \$$n,$b0 | |
781 | pxor $b1,$a1 | |
782 | psllq \$$n,$b1 | |
783 | pxor $t0,$b0 | |
784 | pxor $t1,$b1 | |
785 | ___ | |
786 | } | |
787 | ||
788 | sub bitslice { | |
789 | my @x=reverse(@_[0..7]); | |
790 | my ($t0,$t1,$t2,$t3)=@_[8..11]; | |
791 | $code.=<<___; | |
792 | movdqa 0x00($const),$t0 # .LBS0 | |
793 | movdqa 0x10($const),$t1 # .LBS1 | |
794 | ___ | |
795 | &swapmove2x(@x[0,1,2,3],1,$t0,$t2,$t3); | |
796 | &swapmove2x(@x[4,5,6,7],1,$t0,$t2,$t3); | |
797 | $code.=<<___; | |
798 | movdqa 0x20($const),$t0 # .LBS2 | |
799 | ___ | |
800 | &swapmove2x(@x[0,2,1,3],2,$t1,$t2,$t3); | |
801 | &swapmove2x(@x[4,6,5,7],2,$t1,$t2,$t3); | |
802 | ||
803 | &swapmove2x(@x[0,4,1,5],4,$t0,$t2,$t3); | |
804 | &swapmove2x(@x[2,6,3,7],4,$t0,$t2,$t3); | |
805 | } | |
806 | ||
807 | $code.=<<___; | |
808 | .text | |
809 | ||
fe068648 AP |
810 | .extern asm_AES_encrypt |
811 | .extern asm_AES_decrypt | |
4ec93a10 AP |
812 | |
813 | .type _bsaes_encrypt8,\@abi-omnipotent | |
814 | .align 64 | |
815 | _bsaes_encrypt8: | |
816 | lea .LBS0(%rip), $const # constants table | |
817 | ||
818 | movdqa ($key), @XMM[9] # round 0 key | |
819 | lea 0x10($key), $key | |
f9ef874a | 820 | movdqa 0x50($const), @XMM[8] # .LM0SR |
4ec93a10 AP |
821 | pxor @XMM[9], @XMM[0] # xor with round0 key |
822 | pxor @XMM[9], @XMM[1] | |
823 | pshufb @XMM[8], @XMM[0] | |
824 | pxor @XMM[9], @XMM[2] | |
825 | pshufb @XMM[8], @XMM[1] | |
826 | pxor @XMM[9], @XMM[3] | |
827 | pshufb @XMM[8], @XMM[2] | |
828 | pxor @XMM[9], @XMM[4] | |
829 | pshufb @XMM[8], @XMM[3] | |
830 | pxor @XMM[9], @XMM[5] | |
831 | pshufb @XMM[8], @XMM[4] | |
832 | pxor @XMM[9], @XMM[6] | |
833 | pshufb @XMM[8], @XMM[5] | |
834 | pxor @XMM[9], @XMM[7] | |
835 | pshufb @XMM[8], @XMM[6] | |
836 | pshufb @XMM[8], @XMM[7] | |
837 | _bsaes_encrypt8_bitslice: | |
838 | ___ | |
839 | &bitslice (@XMM[0..7, 8..11]); | |
840 | $code.=<<___; | |
841 | dec $rounds | |
842 | jmp .Lenc_sbox | |
843 | .align 16 | |
844 | .Lenc_loop: | |
845 | ___ | |
28507577 | 846 | &ShiftRows (@XMM[0..7, 8]); |
4ec93a10 | 847 | $code.=".Lenc_sbox:\n"; |
28507577 | 848 | &Sbox (@XMM[0..7, 8..15]); |
4ec93a10 AP |
849 | $code.=<<___; |
850 | dec $rounds | |
851 | jl .Lenc_done | |
852 | ___ | |
28507577 | 853 | &MixColumns (@XMM[0,1,4,6,3,7,2,5, 8..15]); |
4ec93a10 AP |
854 | $code.=<<___; |
855 | movdqa 0x30($const), @XMM[8] # .LSR | |
856 | jnz .Lenc_loop | |
857 | movdqa 0x40($const), @XMM[8] # .LSRM0 | |
858 | jmp .Lenc_loop | |
859 | .align 16 | |
860 | .Lenc_done: | |
861 | ___ | |
862 | # output in lsb > [t0, t1, t4, t6, t3, t7, t2, t5] < msb | |
863 | &bitslice (@XMM[0,1,4,6,3,7,2,5, 8..11]); | |
864 | $code.=<<___; | |
865 | movdqa ($key), @XMM[8] # last round key | |
4ec93a10 AP |
866 | pxor @XMM[8], @XMM[4] |
867 | pxor @XMM[8], @XMM[6] | |
868 | pxor @XMM[8], @XMM[3] | |
869 | pxor @XMM[8], @XMM[7] | |
870 | pxor @XMM[8], @XMM[2] | |
871 | pxor @XMM[8], @XMM[5] | |
28507577 AP |
872 | pxor @XMM[8], @XMM[0] |
873 | pxor @XMM[8], @XMM[1] | |
4ec93a10 AP |
874 | ret |
875 | .size _bsaes_encrypt8,.-_bsaes_encrypt8 | |
28507577 AP |
876 | |
877 | .type _bsaes_decrypt8,\@abi-omnipotent | |
878 | .align 64 | |
879 | _bsaes_decrypt8: | |
880 | lea .LBS0(%rip), $const # constants table | |
881 | ||
882 | movdqa ($key), @XMM[9] # round 0 key | |
883 | lea 0x10($key), $key | |
884 | movdqa -0x30($const), @XMM[8] # .LM0ISR | |
885 | pxor @XMM[9], @XMM[0] # xor with round0 key | |
886 | pxor @XMM[9], @XMM[1] | |
887 | pshufb @XMM[8], @XMM[0] | |
888 | pxor @XMM[9], @XMM[2] | |
889 | pshufb @XMM[8], @XMM[1] | |
890 | pxor @XMM[9], @XMM[3] | |
891 | pshufb @XMM[8], @XMM[2] | |
892 | pxor @XMM[9], @XMM[4] | |
893 | pshufb @XMM[8], @XMM[3] | |
894 | pxor @XMM[9], @XMM[5] | |
895 | pshufb @XMM[8], @XMM[4] | |
896 | pxor @XMM[9], @XMM[6] | |
897 | pshufb @XMM[8], @XMM[5] | |
898 | pxor @XMM[9], @XMM[7] | |
899 | pshufb @XMM[8], @XMM[6] | |
900 | pshufb @XMM[8], @XMM[7] | |
901 | ___ | |
902 | &bitslice (@XMM[0..7, 8..11]); | |
903 | $code.=<<___; | |
904 | dec $rounds | |
905 | jmp .Ldec_sbox | |
906 | .align 16 | |
907 | .Ldec_loop: | |
908 | ___ | |
909 | &ShiftRows (@XMM[0..7, 8]); | |
910 | $code.=".Ldec_sbox:\n"; | |
911 | &InvSbox (@XMM[0..7, 8..15]); | |
912 | $code.=<<___; | |
913 | dec $rounds | |
914 | jl .Ldec_done | |
915 | ___ | |
916 | &InvMixColumns (@XMM[0,1,6,4,2,7,3,5, 8..15]); | |
917 | $code.=<<___; | |
918 | movdqa -0x10($const), @XMM[8] # .LISR | |
919 | jnz .Ldec_loop | |
920 | movdqa -0x20($const), @XMM[8] # .LISRM0 | |
921 | jmp .Ldec_loop | |
922 | .align 16 | |
923 | .Ldec_done: | |
924 | ___ | |
925 | &bitslice (@XMM[0,1,6,4,2,7,3,5, 8..11]); | |
926 | $code.=<<___; | |
927 | movdqa ($key), @XMM[8] # last round key | |
928 | pxor @XMM[8], @XMM[6] | |
929 | pxor @XMM[8], @XMM[4] | |
930 | pxor @XMM[8], @XMM[2] | |
931 | pxor @XMM[8], @XMM[7] | |
932 | pxor @XMM[8], @XMM[3] | |
933 | pxor @XMM[8], @XMM[5] | |
934 | pxor @XMM[8], @XMM[0] | |
935 | pxor @XMM[8], @XMM[1] | |
936 | ret | |
937 | .size _bsaes_decrypt8,.-_bsaes_decrypt8 | |
4ec93a10 AP |
938 | ___ |
939 | } | |
940 | { | |
941 | my ($out,$inp,$rounds,$const)=("%rax","%rcx","%r10d","%r11"); | |
942 | ||
943 | sub bitslice_key { | |
944 | my @x=reverse(@_[0..7]); | |
945 | my ($bs0,$bs1,$bs2,$t2,$t3)=@_[8..12]; | |
946 | ||
947 | &swapmove (@x[0,1],1,$bs0,$t2,$t3); | |
948 | $code.=<<___; | |
949 | #&swapmove(@x[2,3],1,$t0,$t2,$t3); | |
950 | movdqa @x[0], @x[2] | |
951 | movdqa @x[1], @x[3] | |
952 | ___ | |
953 | #&swapmove2x(@x[4,5,6,7],1,$t0,$t2,$t3); | |
954 | ||
955 | &swapmove2x (@x[0,2,1,3],2,$bs1,$t2,$t3); | |
956 | $code.=<<___; | |
957 | #&swapmove2x(@x[4,6,5,7],2,$t1,$t2,$t3); | |
958 | movdqa @x[0], @x[4] | |
959 | movdqa @x[2], @x[6] | |
960 | movdqa @x[1], @x[5] | |
961 | movdqa @x[3], @x[7] | |
962 | ___ | |
963 | &swapmove2x (@x[0,4,1,5],4,$bs2,$t2,$t3); | |
964 | &swapmove2x (@x[2,6,3,7],4,$bs2,$t2,$t3); | |
965 | } | |
966 | ||
967 | $code.=<<___; | |
28507577 | 968 | .type _bsaes_key_convert,\@abi-omnipotent |
4ec93a10 | 969 | .align 16 |
28507577 | 970 | _bsaes_key_convert: |
f9ef874a | 971 | lea .Lmasks(%rip), $const |
4ec93a10 | 972 | movdqu ($inp), %xmm7 # load round 0 key |
4ec93a10 | 973 | lea 0x10($inp), $inp |
f9ef874a AP |
974 | movdqa 0x00($const), %xmm0 # 0x01... |
975 | movdqa 0x10($const), %xmm1 # 0x02... | |
976 | movdqa 0x20($const), %xmm2 # 0x04... | |
977 | movdqa 0x30($const), %xmm3 # 0x08... | |
978 | movdqa 0x40($const), %xmm4 # .LM0 | |
979 | pcmpeqd %xmm5, %xmm5 # .LNOT | |
980 | ||
981 | movdqu ($inp), %xmm6 # load round 1 key | |
4ec93a10 AP |
982 | movdqa %xmm7, ($out) # save round 0 key |
983 | lea 0x10($out), $out | |
984 | dec $rounds | |
985 | jmp .Lkey_loop | |
986 | .align 16 | |
987 | .Lkey_loop: | |
f9ef874a AP |
988 | pshufb %xmm4, %xmm6 # .LM0 |
989 | ||
990 | movdqa %xmm0, %xmm8 | |
991 | movdqa %xmm1, %xmm9 | |
992 | ||
993 | pand %xmm6, %xmm8 | |
994 | pand %xmm6, %xmm9 | |
995 | movdqa %xmm2, %xmm10 | |
996 | pcmpeqb %xmm0, %xmm8 | |
997 | psllq \$4, %xmm0 # 0x10... | |
998 | movdqa %xmm3, %xmm11 | |
999 | pcmpeqb %xmm1, %xmm9 | |
1000 | psllq \$4, %xmm1 # 0x20... | |
1001 | ||
1002 | pand %xmm6, %xmm10 | |
1003 | pand %xmm6, %xmm11 | |
1004 | movdqa %xmm0, %xmm12 | |
1005 | pcmpeqb %xmm2, %xmm10 | |
1006 | psllq \$4, %xmm2 # 0x40... | |
1007 | movdqa %xmm1, %xmm13 | |
1008 | pcmpeqb %xmm3, %xmm11 | |
1009 | psllq \$4, %xmm3 # 0x80... | |
1010 | ||
1011 | movdqa %xmm2, %xmm14 | |
1012 | movdqa %xmm3, %xmm15 | |
1013 | pxor %xmm5, %xmm8 # "pnot" | |
1014 | pxor %xmm5, %xmm9 | |
1015 | ||
1016 | pand %xmm6, %xmm12 | |
1017 | pand %xmm6, %xmm13 | |
1018 | movdqa %xmm8, 0x00($out) # write bit-sliced round key | |
1019 | pcmpeqb %xmm0, %xmm12 | |
1020 | psrlq \$4, %xmm0 # 0x01... | |
1021 | movdqa %xmm9, 0x10($out) | |
1022 | pcmpeqb %xmm1, %xmm13 | |
1023 | psrlq \$4, %xmm1 # 0x02... | |
1024 | lea 0x10($inp), $inp | |
1025 | ||
1026 | pand %xmm6, %xmm14 | |
1027 | pand %xmm6, %xmm15 | |
1028 | movdqa %xmm10, 0x20($out) | |
1029 | pcmpeqb %xmm2, %xmm14 | |
1030 | psrlq \$4, %xmm2 # 0x04... | |
1031 | movdqa %xmm11, 0x30($out) | |
1032 | pcmpeqb %xmm3, %xmm15 | |
1033 | psrlq \$4, %xmm3 # 0x08... | |
1034 | movdqu ($inp), %xmm6 # load next round key | |
1035 | ||
1036 | pxor %xmm5, %xmm13 # "pnot" | |
1037 | pxor %xmm5, %xmm14 | |
1038 | movdqa %xmm12, 0x40($out) | |
1039 | movdqa %xmm13, 0x50($out) | |
1040 | movdqa %xmm14, 0x60($out) | |
1041 | movdqa %xmm15, 0x70($out) | |
4ec93a10 | 1042 | lea 0x80($out),$out |
4ec93a10 AP |
1043 | dec $rounds |
1044 | jnz .Lkey_loop | |
1045 | ||
f9ef874a | 1046 | movdqa 0x50($const), %xmm7 # .L63 |
28507577 | 1047 | #movdqa %xmm6, ($out) # don't save last round key |
4ec93a10 | 1048 | ret |
28507577 | 1049 | .size _bsaes_key_convert,.-_bsaes_key_convert |
4ec93a10 AP |
1050 | ___ |
1051 | } | |
1052 | ||
fe068648 | 1053 | if (0 && !$win64) { # following four functions are unsupported interface |
11272648 | 1054 | # used for benchmarking... |
4ec93a10 AP |
1055 | $code.=<<___; |
1056 | .globl bsaes_enc_key_convert | |
1057 | .type bsaes_enc_key_convert,\@function,2 | |
1058 | .align 16 | |
1059 | bsaes_enc_key_convert: | |
1060 | mov 240($inp),%r10d # pass rounds | |
1061 | mov $inp,%rcx # pass key | |
1062 | mov $out,%rax # pass key schedule | |
28507577 AP |
1063 | call _bsaes_key_convert |
1064 | pxor %xmm6,%xmm7 # fix up last round key | |
1065 | movdqa %xmm7,(%rax) # save last round key | |
4ec93a10 AP |
1066 | ret |
1067 | .size bsaes_enc_key_convert,.-bsaes_enc_key_convert | |
1068 | ||
1069 | .globl bsaes_encrypt_128 | |
1070 | .type bsaes_encrypt_128,\@function,4 | |
1071 | .align 16 | |
1072 | bsaes_encrypt_128: | |
1073 | .Lenc128_loop: | |
1074 | movdqu 0x00($inp), @XMM[0] # load input | |
1075 | movdqu 0x10($inp), @XMM[1] | |
1076 | movdqu 0x20($inp), @XMM[2] | |
1077 | movdqu 0x30($inp), @XMM[3] | |
1078 | movdqu 0x40($inp), @XMM[4] | |
1079 | movdqu 0x50($inp), @XMM[5] | |
1080 | movdqu 0x60($inp), @XMM[6] | |
1081 | movdqu 0x70($inp), @XMM[7] | |
1082 | mov $key, %rax # pass the $key | |
1083 | lea 0x80($inp), $inp | |
1084 | mov \$10,%r10d | |
1085 | ||
1086 | call _bsaes_encrypt8 | |
1087 | ||
1088 | movdqu @XMM[0], 0x00($out) # write output | |
1089 | movdqu @XMM[1], 0x10($out) | |
1090 | movdqu @XMM[4], 0x20($out) | |
1091 | movdqu @XMM[6], 0x30($out) | |
1092 | movdqu @XMM[3], 0x40($out) | |
1093 | movdqu @XMM[7], 0x50($out) | |
1094 | movdqu @XMM[2], 0x60($out) | |
1095 | movdqu @XMM[5], 0x70($out) | |
1096 | lea 0x80($out), $out | |
1097 | sub \$0x80,$len | |
1098 | ja .Lenc128_loop | |
1099 | ret | |
1100 | .size bsaes_encrypt_128,.-bsaes_encrypt_128 | |
28507577 AP |
1101 | |
1102 | .globl bsaes_dec_key_convert | |
1103 | .type bsaes_dec_key_convert,\@function,2 | |
1104 | .align 16 | |
1105 | bsaes_dec_key_convert: | |
1106 | mov 240($inp),%r10d # pass rounds | |
1107 | mov $inp,%rcx # pass key | |
1108 | mov $out,%rax # pass key schedule | |
1109 | call _bsaes_key_convert | |
1110 | pxor ($out),%xmm7 # fix up round 0 key | |
1111 | movdqa %xmm6,(%rax) # save last round key | |
1112 | movdqa %xmm7,($out) | |
1113 | ret | |
1114 | .size bsaes_dec_key_convert,.-bsaes_dec_key_convert | |
1115 | ||
1116 | .globl bsaes_decrypt_128 | |
1117 | .type bsaes_decrypt_128,\@function,4 | |
1118 | .align 16 | |
1119 | bsaes_decrypt_128: | |
1120 | .Ldec128_loop: | |
1121 | movdqu 0x00($inp), @XMM[0] # load input | |
1122 | movdqu 0x10($inp), @XMM[1] | |
1123 | movdqu 0x20($inp), @XMM[2] | |
1124 | movdqu 0x30($inp), @XMM[3] | |
1125 | movdqu 0x40($inp), @XMM[4] | |
1126 | movdqu 0x50($inp), @XMM[5] | |
1127 | movdqu 0x60($inp), @XMM[6] | |
1128 | movdqu 0x70($inp), @XMM[7] | |
1129 | mov $key, %rax # pass the $key | |
1130 | lea 0x80($inp), $inp | |
1131 | mov \$10,%r10d | |
1132 | ||
1133 | call _bsaes_decrypt8 | |
1134 | ||
1135 | movdqu @XMM[0], 0x00($out) # write output | |
1136 | movdqu @XMM[1], 0x10($out) | |
1137 | movdqu @XMM[6], 0x20($out) | |
1138 | movdqu @XMM[4], 0x30($out) | |
1139 | movdqu @XMM[2], 0x40($out) | |
1140 | movdqu @XMM[7], 0x50($out) | |
1141 | movdqu @XMM[3], 0x60($out) | |
1142 | movdqu @XMM[5], 0x70($out) | |
1143 | lea 0x80($out), $out | |
1144 | sub \$0x80,$len | |
1145 | ja .Ldec128_loop | |
1146 | ret | |
1147 | .size bsaes_decrypt_128,.-bsaes_decrypt_128 | |
4ec93a10 AP |
1148 | ___ |
1149 | } | |
1150 | { | |
1151 | ###################################################################### | |
1152 | # | |
1153 | # OpenSSL interface | |
1154 | # | |
a75a52a4 AP |
1155 | my ($arg1,$arg2,$arg3,$arg4,$arg5,$arg6)=$win64 ? ("%rcx","%rdx","%r8","%r9","%r10","%r11d") |
1156 | : ("%rdi","%rsi","%rdx","%rcx","%r8","%r9d"); | |
4ec93a10 AP |
1157 | my ($inp,$out,$len,$key)=("%r12","%r13","%r14","%r15"); |
1158 | ||
fe068648 | 1159 | if ($ecb) { |
4ec93a10 AP |
1160 | $code.=<<___; |
1161 | .globl bsaes_ecb_encrypt_blocks | |
1162 | .type bsaes_ecb_encrypt_blocks,\@abi-omnipotent | |
1163 | .align 16 | |
1164 | bsaes_ecb_encrypt_blocks: | |
fe068648 AP |
1165 | mov %rsp, %rax |
1166 | .Lecb_enc_prologue: | |
4ec93a10 AP |
1167 | push %rbp |
1168 | push %rbx | |
1169 | push %r12 | |
1170 | push %r13 | |
1171 | push %r14 | |
1172 | push %r15 | |
1173 | lea -0x48(%rsp),%rsp | |
1174 | ___ | |
1175 | $code.=<<___ if ($win64); | |
1176 | lea -0xa0(%rsp), %rsp | |
1177 | movaps %xmm6, 0x40(%rsp) | |
1178 | movaps %xmm7, 0x50(%rsp) | |
1179 | movaps %xmm8, 0x60(%rsp) | |
1180 | movaps %xmm9, 0x70(%rsp) | |
1181 | movaps %xmm10, 0x80(%rsp) | |
1182 | movaps %xmm11, 0x90(%rsp) | |
1183 | movaps %xmm12, 0xa0(%rsp) | |
1184 | movaps %xmm13, 0xb0(%rsp) | |
1185 | movaps %xmm14, 0xc0(%rsp) | |
1186 | movaps %xmm15, 0xd0(%rsp) | |
1187 | .Lecb_enc_body: | |
1188 | ___ | |
1189 | $code.=<<___; | |
1190 | mov %rsp,%rbp # backup %rsp | |
1191 | mov 240($arg4),%eax # rounds | |
1192 | mov $arg1,$inp # backup arguments | |
1193 | mov $arg2,$out | |
1194 | mov $arg3,$len | |
1195 | mov $arg4,$key | |
1196 | cmp \$8,$arg3 | |
1197 | jb .Lecb_enc_short | |
1198 | ||
1199 | mov %eax,%ebx # backup rounds | |
1200 | shl \$7,%rax # 128 bytes per inner round key | |
1201 | sub \$`128-32`,%rax # size of bit-sliced key schedule | |
1202 | sub %rax,%rsp | |
1203 | mov %rsp,%rax # pass key schedule | |
1204 | mov $key,%rcx # pass key | |
1205 | mov %ebx,%r10d # pass rounds | |
28507577 AP |
1206 | call _bsaes_key_convert |
1207 | pxor %xmm6,%xmm7 # fix up last round key | |
1208 | movdqa %xmm7,(%rax) # save last round key | |
4ec93a10 AP |
1209 | |
1210 | sub \$8,$len | |
1211 | .Lecb_enc_loop: | |
1212 | movdqu 0x00($inp), @XMM[0] # load input | |
1213 | movdqu 0x10($inp), @XMM[1] | |
1214 | movdqu 0x20($inp), @XMM[2] | |
1215 | movdqu 0x30($inp), @XMM[3] | |
1216 | movdqu 0x40($inp), @XMM[4] | |
1217 | movdqu 0x50($inp), @XMM[5] | |
1218 | mov %rsp, %rax # pass key schedule | |
1219 | movdqu 0x60($inp), @XMM[6] | |
1220 | mov %ebx,%r10d # pass rounds | |
1221 | movdqu 0x70($inp), @XMM[7] | |
1222 | lea 0x80($inp), $inp | |
1223 | ||
1224 | call _bsaes_encrypt8 | |
1225 | ||
1226 | movdqu @XMM[0], 0x00($out) # write output | |
1227 | movdqu @XMM[1], 0x10($out) | |
1228 | movdqu @XMM[4], 0x20($out) | |
1229 | movdqu @XMM[6], 0x30($out) | |
1230 | movdqu @XMM[3], 0x40($out) | |
1231 | movdqu @XMM[7], 0x50($out) | |
1232 | movdqu @XMM[2], 0x60($out) | |
1233 | movdqu @XMM[5], 0x70($out) | |
1234 | lea 0x80($out), $out | |
1235 | sub \$8,$len | |
1236 | jnc .Lecb_enc_loop | |
1237 | ||
1238 | add \$8,$len | |
1239 | jz .Lecb_enc_done | |
1240 | ||
1241 | movdqu 0x00($inp), @XMM[0] # load input | |
1242 | mov %rsp, %rax # pass key schedule | |
1243 | mov %ebx,%r10d # pass rounds | |
1244 | cmp \$2,$len | |
1245 | jb .Lecb_enc_one | |
1246 | movdqu 0x10($inp), @XMM[1] | |
1247 | je .Lecb_enc_two | |
1248 | movdqu 0x20($inp), @XMM[2] | |
1249 | cmp \$4,$len | |
1250 | jb .Lecb_enc_three | |
1251 | movdqu 0x30($inp), @XMM[3] | |
1252 | je .Lecb_enc_four | |
1253 | movdqu 0x40($inp), @XMM[4] | |
1254 | cmp \$6,$len | |
1255 | jb .Lecb_enc_five | |
1256 | movdqu 0x50($inp), @XMM[5] | |
1257 | je .Lecb_enc_six | |
1258 | movdqu 0x60($inp), @XMM[6] | |
1259 | call _bsaes_encrypt8 | |
1260 | movdqu @XMM[0], 0x00($out) # write output | |
1261 | movdqu @XMM[1], 0x10($out) | |
1262 | movdqu @XMM[4], 0x20($out) | |
1263 | movdqu @XMM[6], 0x30($out) | |
1264 | movdqu @XMM[3], 0x40($out) | |
1265 | movdqu @XMM[7], 0x50($out) | |
1266 | movdqu @XMM[2], 0x60($out) | |
1267 | jmp .Lecb_enc_done | |
1268 | .align 16 | |
1269 | .Lecb_enc_six: | |
1270 | call _bsaes_encrypt8 | |
1271 | movdqu @XMM[0], 0x00($out) # write output | |
1272 | movdqu @XMM[1], 0x10($out) | |
1273 | movdqu @XMM[4], 0x20($out) | |
1274 | movdqu @XMM[6], 0x30($out) | |
1275 | movdqu @XMM[3], 0x40($out) | |
1276 | movdqu @XMM[7], 0x50($out) | |
1277 | jmp .Lecb_enc_done | |
1278 | .align 16 | |
1279 | .Lecb_enc_five: | |
1280 | call _bsaes_encrypt8 | |
1281 | movdqu @XMM[0], 0x00($out) # write output | |
1282 | movdqu @XMM[1], 0x10($out) | |
1283 | movdqu @XMM[4], 0x20($out) | |
1284 | movdqu @XMM[6], 0x30($out) | |
1285 | movdqu @XMM[3], 0x40($out) | |
1286 | jmp .Lecb_enc_done | |
1287 | .align 16 | |
1288 | .Lecb_enc_four: | |
1289 | call _bsaes_encrypt8 | |
1290 | movdqu @XMM[0], 0x00($out) # write output | |
1291 | movdqu @XMM[1], 0x10($out) | |
1292 | movdqu @XMM[4], 0x20($out) | |
1293 | movdqu @XMM[6], 0x30($out) | |
1294 | jmp .Lecb_enc_done | |
1295 | .align 16 | |
1296 | .Lecb_enc_three: | |
1297 | call _bsaes_encrypt8 | |
1298 | movdqu @XMM[0], 0x00($out) # write output | |
1299 | movdqu @XMM[1], 0x10($out) | |
1300 | movdqu @XMM[4], 0x20($out) | |
1301 | jmp .Lecb_enc_done | |
1302 | .align 16 | |
1303 | .Lecb_enc_two: | |
1304 | call _bsaes_encrypt8 | |
1305 | movdqu @XMM[0], 0x00($out) # write output | |
1306 | movdqu @XMM[1], 0x10($out) | |
1307 | jmp .Lecb_enc_done | |
1308 | .align 16 | |
1309 | .Lecb_enc_one: | |
1310 | call _bsaes_encrypt8 | |
1311 | movdqu @XMM[0], 0x00($out) # write output | |
1312 | jmp .Lecb_enc_done | |
1313 | .align 16 | |
1314 | .Lecb_enc_short: | |
1315 | lea ($inp), $arg1 | |
1316 | lea ($out), $arg2 | |
1317 | lea ($key), $arg3 | |
fe068648 | 1318 | call asm_AES_encrypt |
4ec93a10 AP |
1319 | lea 16($inp), $inp |
1320 | lea 16($out), $out | |
1321 | dec $len | |
1322 | jnz .Lecb_enc_short | |
1323 | ||
1324 | .Lecb_enc_done: | |
1325 | lea (%rsp),%rax | |
1326 | pxor %xmm0, %xmm0 | |
1327 | .Lecb_enc_bzero: # wipe key schedule [if any] | |
1328 | movdqa %xmm0, 0x00(%rax) | |
1329 | movdqa %xmm0, 0x10(%rax) | |
1330 | lea 0x20(%rax), %rax | |
1331 | cmp %rax, %rbp | |
1332 | jb .Lecb_enc_bzero | |
1333 | ||
1334 | lea (%rbp),%rsp # restore %rsp | |
1335 | ___ | |
1336 | $code.=<<___ if ($win64); | |
1337 | movaps 0x40(%rbp), %xmm6 | |
1338 | movaps 0x50(%rbp), %xmm7 | |
1339 | movaps 0x60(%rbp), %xmm8 | |
1340 | movaps 0x70(%rbp), %xmm9 | |
1341 | movaps 0x80(%rbp), %xmm10 | |
1342 | movaps 0x90(%rbp), %xmm11 | |
1343 | movaps 0xa0(%rbp), %xmm12 | |
1344 | movaps 0xb0(%rbp), %xmm13 | |
1345 | movaps 0xc0(%rbp), %xmm14 | |
1346 | movaps 0xd0(%rbp), %xmm15 | |
1347 | lea 0xa0(%rbp), %rsp | |
1348 | ___ | |
1349 | $code.=<<___; | |
1350 | mov 0x48(%rsp), %r15 | |
1351 | mov 0x50(%rsp), %r14 | |
1352 | mov 0x58(%rsp), %r13 | |
1353 | mov 0x60(%rsp), %r12 | |
1354 | mov 0x68(%rsp), %rbx | |
fe068648 | 1355 | mov 0x70(%rsp), %rax |
4ec93a10 | 1356 | lea 0x78(%rsp), %rsp |
fe068648 | 1357 | mov %rax, %rbp |
4ec93a10 AP |
1358 | .Lecb_enc_epilogue: |
1359 | ret | |
1360 | .size bsaes_ecb_encrypt_blocks,.-bsaes_ecb_encrypt_blocks | |
1361 | ||
a75a52a4 AP |
1362 | .globl bsaes_ecb_decrypt_blocks |
1363 | .type bsaes_ecb_decrypt_blocks,\@abi-omnipotent | |
1364 | .align 16 | |
1365 | bsaes_ecb_decrypt_blocks: | |
fe068648 AP |
1366 | mov %rsp, %rax |
1367 | .Lecb_dec_prologue: | |
a75a52a4 AP |
1368 | push %rbp |
1369 | push %rbx | |
1370 | push %r12 | |
1371 | push %r13 | |
1372 | push %r14 | |
1373 | push %r15 | |
1374 | lea -0x48(%rsp),%rsp | |
1375 | ___ | |
1376 | $code.=<<___ if ($win64); | |
1377 | lea -0xa0(%rsp), %rsp | |
1378 | movaps %xmm6, 0x40(%rsp) | |
1379 | movaps %xmm7, 0x50(%rsp) | |
1380 | movaps %xmm8, 0x60(%rsp) | |
1381 | movaps %xmm9, 0x70(%rsp) | |
1382 | movaps %xmm10, 0x80(%rsp) | |
1383 | movaps %xmm11, 0x90(%rsp) | |
1384 | movaps %xmm12, 0xa0(%rsp) | |
1385 | movaps %xmm13, 0xb0(%rsp) | |
1386 | movaps %xmm14, 0xc0(%rsp) | |
1387 | movaps %xmm15, 0xd0(%rsp) | |
1388 | .Lecb_dec_body: | |
1389 | ___ | |
1390 | $code.=<<___; | |
1391 | mov %rsp,%rbp # backup %rsp | |
1392 | mov 240($arg4),%eax # rounds | |
1393 | mov $arg1,$inp # backup arguments | |
1394 | mov $arg2,$out | |
1395 | mov $arg3,$len | |
1396 | mov $arg4,$key | |
1397 | cmp \$8,$arg3 | |
1398 | jb .Lecb_dec_short | |
1399 | ||
1400 | mov %eax,%ebx # backup rounds | |
1401 | shl \$7,%rax # 128 bytes per inner round key | |
1402 | sub \$`128-32`,%rax # size of bit-sliced key schedule | |
1403 | sub %rax,%rsp | |
1404 | mov %rsp,%rax # pass key schedule | |
1405 | mov $key,%rcx # pass key | |
1406 | mov %ebx,%r10d # pass rounds | |
1407 | call _bsaes_key_convert | |
1408 | pxor (%rsp),%xmm7 # fix up 0 round key | |
1409 | movdqa %xmm6,(%rax) # save last round key | |
1410 | movdqa %xmm7,(%rsp) | |
1411 | ||
1412 | sub \$8,$len | |
1413 | .Lecb_dec_loop: | |
1414 | movdqu 0x00($inp), @XMM[0] # load input | |
1415 | movdqu 0x10($inp), @XMM[1] | |
1416 | movdqu 0x20($inp), @XMM[2] | |
1417 | movdqu 0x30($inp), @XMM[3] | |
1418 | movdqu 0x40($inp), @XMM[4] | |
1419 | movdqu 0x50($inp), @XMM[5] | |
1420 | mov %rsp, %rax # pass key schedule | |
1421 | movdqu 0x60($inp), @XMM[6] | |
1422 | mov %ebx,%r10d # pass rounds | |
1423 | movdqu 0x70($inp), @XMM[7] | |
1424 | lea 0x80($inp), $inp | |
1425 | ||
1426 | call _bsaes_decrypt8 | |
1427 | ||
1428 | movdqu @XMM[0], 0x00($out) # write output | |
1429 | movdqu @XMM[1], 0x10($out) | |
1430 | movdqu @XMM[6], 0x20($out) | |
1431 | movdqu @XMM[4], 0x30($out) | |
1432 | movdqu @XMM[2], 0x40($out) | |
1433 | movdqu @XMM[7], 0x50($out) | |
1434 | movdqu @XMM[3], 0x60($out) | |
1435 | movdqu @XMM[5], 0x70($out) | |
1436 | lea 0x80($out), $out | |
1437 | sub \$8,$len | |
1438 | jnc .Lecb_dec_loop | |
1439 | ||
1440 | add \$8,$len | |
1441 | jz .Lecb_dec_done | |
1442 | ||
1443 | movdqu 0x00($inp), @XMM[0] # load input | |
1444 | mov %rsp, %rax # pass key schedule | |
1445 | mov %ebx,%r10d # pass rounds | |
1446 | cmp \$2,$len | |
1447 | jb .Lecb_dec_one | |
1448 | movdqu 0x10($inp), @XMM[1] | |
1449 | je .Lecb_dec_two | |
1450 | movdqu 0x20($inp), @XMM[2] | |
1451 | cmp \$4,$len | |
1452 | jb .Lecb_dec_three | |
1453 | movdqu 0x30($inp), @XMM[3] | |
1454 | je .Lecb_dec_four | |
1455 | movdqu 0x40($inp), @XMM[4] | |
1456 | cmp \$6,$len | |
1457 | jb .Lecb_dec_five | |
1458 | movdqu 0x50($inp), @XMM[5] | |
1459 | je .Lecb_dec_six | |
1460 | movdqu 0x60($inp), @XMM[6] | |
1461 | call _bsaes_decrypt8 | |
1462 | movdqu @XMM[0], 0x00($out) # write output | |
1463 | movdqu @XMM[1], 0x10($out) | |
1464 | movdqu @XMM[6], 0x20($out) | |
1465 | movdqu @XMM[4], 0x30($out) | |
1466 | movdqu @XMM[2], 0x40($out) | |
1467 | movdqu @XMM[7], 0x50($out) | |
1468 | movdqu @XMM[3], 0x60($out) | |
1469 | jmp .Lecb_dec_done | |
1470 | .align 16 | |
1471 | .Lecb_dec_six: | |
1472 | call _bsaes_decrypt8 | |
1473 | movdqu @XMM[0], 0x00($out) # write output | |
1474 | movdqu @XMM[1], 0x10($out) | |
1475 | movdqu @XMM[6], 0x20($out) | |
1476 | movdqu @XMM[4], 0x30($out) | |
1477 | movdqu @XMM[2], 0x40($out) | |
1478 | movdqu @XMM[7], 0x50($out) | |
1479 | jmp .Lecb_dec_done | |
1480 | .align 16 | |
1481 | .Lecb_dec_five: | |
1482 | call _bsaes_decrypt8 | |
1483 | movdqu @XMM[0], 0x00($out) # write output | |
1484 | movdqu @XMM[1], 0x10($out) | |
1485 | movdqu @XMM[6], 0x20($out) | |
1486 | movdqu @XMM[4], 0x30($out) | |
1487 | movdqu @XMM[2], 0x40($out) | |
1488 | jmp .Lecb_dec_done | |
1489 | .align 16 | |
1490 | .Lecb_dec_four: | |
1491 | call _bsaes_decrypt8 | |
1492 | movdqu @XMM[0], 0x00($out) # write output | |
1493 | movdqu @XMM[1], 0x10($out) | |
1494 | movdqu @XMM[6], 0x20($out) | |
1495 | movdqu @XMM[4], 0x30($out) | |
1496 | jmp .Lecb_dec_done | |
1497 | .align 16 | |
1498 | .Lecb_dec_three: | |
1499 | call _bsaes_decrypt8 | |
1500 | movdqu @XMM[0], 0x00($out) # write output | |
1501 | movdqu @XMM[1], 0x10($out) | |
1502 | movdqu @XMM[6], 0x20($out) | |
1503 | jmp .Lecb_dec_done | |
1504 | .align 16 | |
1505 | .Lecb_dec_two: | |
1506 | call _bsaes_decrypt8 | |
1507 | movdqu @XMM[0], 0x00($out) # write output | |
1508 | movdqu @XMM[1], 0x10($out) | |
1509 | jmp .Lecb_dec_done | |
1510 | .align 16 | |
1511 | .Lecb_dec_one: | |
1512 | call _bsaes_decrypt8 | |
1513 | movdqu @XMM[0], 0x00($out) # write output | |
1514 | jmp .Lecb_dec_done | |
1515 | .align 16 | |
1516 | .Lecb_dec_short: | |
1517 | lea ($inp), $arg1 | |
1518 | lea ($out), $arg2 | |
1519 | lea ($key), $arg3 | |
fe068648 | 1520 | call asm_AES_decrypt |
a75a52a4 AP |
1521 | lea 16($inp), $inp |
1522 | lea 16($out), $out | |
1523 | dec $len | |
1524 | jnz .Lecb_dec_short | |
1525 | ||
1526 | .Lecb_dec_done: | |
1527 | lea (%rsp),%rax | |
1528 | pxor %xmm0, %xmm0 | |
1529 | .Lecb_dec_bzero: # wipe key schedule [if any] | |
1530 | movdqa %xmm0, 0x00(%rax) | |
1531 | movdqa %xmm0, 0x10(%rax) | |
1532 | lea 0x20(%rax), %rax | |
1533 | cmp %rax, %rbp | |
1534 | jb .Lecb_dec_bzero | |
1535 | ||
1536 | lea (%rbp),%rsp # restore %rsp | |
1537 | ___ | |
1538 | $code.=<<___ if ($win64); | |
1539 | movaps 0x40(%rbp), %xmm6 | |
1540 | movaps 0x50(%rbp), %xmm7 | |
1541 | movaps 0x60(%rbp), %xmm8 | |
1542 | movaps 0x70(%rbp), %xmm9 | |
1543 | movaps 0x80(%rbp), %xmm10 | |
1544 | movaps 0x90(%rbp), %xmm11 | |
1545 | movaps 0xa0(%rbp), %xmm12 | |
1546 | movaps 0xb0(%rbp), %xmm13 | |
1547 | movaps 0xc0(%rbp), %xmm14 | |
1548 | movaps 0xd0(%rbp), %xmm15 | |
1549 | lea 0xa0(%rbp), %rsp | |
1550 | ___ | |
1551 | $code.=<<___; | |
1552 | mov 0x48(%rsp), %r15 | |
1553 | mov 0x50(%rsp), %r14 | |
1554 | mov 0x58(%rsp), %r13 | |
1555 | mov 0x60(%rsp), %r12 | |
1556 | mov 0x68(%rsp), %rbx | |
fe068648 | 1557 | mov 0x70(%rsp), %rax |
a75a52a4 | 1558 | lea 0x78(%rsp), %rsp |
fe068648 | 1559 | mov %rax, %rbp |
a75a52a4 AP |
1560 | .Lecb_dec_epilogue: |
1561 | ret | |
1562 | .size bsaes_ecb_decrypt_blocks,.-bsaes_ecb_decrypt_blocks | |
1563 | ___ | |
1564 | } | |
1565 | $code.=<<___; | |
fe068648 | 1566 | .extern asm_AES_cbc_encrypt |
a75a52a4 AP |
1567 | .globl bsaes_cbc_encrypt |
1568 | .type bsaes_cbc_encrypt,\@abi-omnipotent | |
1569 | .align 16 | |
1570 | bsaes_cbc_encrypt: | |
1571 | ___ | |
1572 | $code.=<<___ if ($win64); | |
1573 | mov 48(%rsp),$arg6 # pull direction flag | |
1574 | ___ | |
1575 | $code.=<<___; | |
1576 | cmp \$0,$arg6 | |
fe068648 | 1577 | jne asm_AES_cbc_encrypt |
a75a52a4 | 1578 | cmp \$128,$arg3 |
fe068648 | 1579 | jb asm_AES_cbc_encrypt |
a75a52a4 | 1580 | |
fe068648 AP |
1581 | mov %rsp, %rax |
1582 | .Lcbc_dec_prologue: | |
a75a52a4 AP |
1583 | push %rbp |
1584 | push %rbx | |
1585 | push %r12 | |
1586 | push %r13 | |
1587 | push %r14 | |
1588 | push %r15 | |
1589 | lea -0x48(%rsp), %rsp | |
1590 | ___ | |
1591 | $code.=<<___ if ($win64); | |
1592 | mov 0xa0(%rsp),$arg5 # pull ivp | |
1593 | lea -0xa0(%rsp), %rsp | |
1594 | movaps %xmm6, 0x40(%rsp) | |
1595 | movaps %xmm7, 0x50(%rsp) | |
1596 | movaps %xmm8, 0x60(%rsp) | |
1597 | movaps %xmm9, 0x70(%rsp) | |
1598 | movaps %xmm10, 0x80(%rsp) | |
1599 | movaps %xmm11, 0x90(%rsp) | |
1600 | movaps %xmm12, 0xa0(%rsp) | |
1601 | movaps %xmm13, 0xb0(%rsp) | |
1602 | movaps %xmm14, 0xc0(%rsp) | |
1603 | movaps %xmm15, 0xd0(%rsp) | |
1604 | .Lcbc_dec_body: | |
1605 | ___ | |
1606 | $code.=<<___; | |
1607 | mov %rsp, %rbp # backup %rsp | |
1608 | mov 240($arg4), %eax # rounds | |
1609 | mov $arg1, $inp # backup arguments | |
1610 | mov $arg2, $out | |
1611 | mov $arg3, $len | |
1612 | mov $arg4, $key | |
60d4e99c | 1613 | mov $arg5, %rbx |
a75a52a4 AP |
1614 | shr \$4, $len # bytes to blocks |
1615 | ||
60d4e99c | 1616 | mov %eax, %edx # rounds |
a75a52a4 AP |
1617 | shl \$7, %rax # 128 bytes per inner round key |
1618 | sub \$`128-32`, %rax # size of bit-sliced key schedule | |
1619 | sub %rax, %rsp | |
1620 | ||
1621 | mov %rsp, %rax # pass key schedule | |
1622 | mov $key, %rcx # pass key | |
60d4e99c | 1623 | mov %edx, %r10d # pass rounds |
a75a52a4 AP |
1624 | call _bsaes_key_convert |
1625 | pxor (%rsp),%xmm7 # fix up 0 round key | |
1626 | movdqa %xmm6,(%rax) # save last round key | |
1627 | movdqa %xmm7,(%rsp) | |
1628 | ||
60d4e99c | 1629 | movdqu (%rbx), @XMM[15] # load IV |
a75a52a4 AP |
1630 | sub \$8,$len |
1631 | .Lcbc_dec_loop: | |
1632 | movdqu 0x00($inp), @XMM[0] # load input | |
1633 | movdqu 0x10($inp), @XMM[1] | |
1634 | movdqu 0x20($inp), @XMM[2] | |
1635 | movdqu 0x30($inp), @XMM[3] | |
1636 | movdqu 0x40($inp), @XMM[4] | |
1637 | movdqu 0x50($inp), @XMM[5] | |
1638 | mov %rsp, %rax # pass key schedule | |
1639 | movdqu 0x60($inp), @XMM[6] | |
60d4e99c | 1640 | mov %edx,%r10d # pass rounds |
a75a52a4 AP |
1641 | movdqu 0x70($inp), @XMM[7] |
1642 | movdqa @XMM[15], 0x20(%rbp) # put aside IV | |
1643 | ||
1644 | call _bsaes_decrypt8 | |
1645 | ||
1646 | pxor 0x20(%rbp), @XMM[0] # ^= IV | |
1647 | movdqu 0x00($inp), @XMM[8] # re-load input | |
1648 | movdqu 0x10($inp), @XMM[9] | |
1649 | pxor @XMM[8], @XMM[1] | |
1650 | movdqu 0x20($inp), @XMM[10] | |
1651 | pxor @XMM[9], @XMM[6] | |
1652 | movdqu 0x30($inp), @XMM[11] | |
1653 | pxor @XMM[10], @XMM[4] | |
1654 | movdqu 0x40($inp), @XMM[12] | |
1655 | pxor @XMM[11], @XMM[2] | |
1656 | movdqu 0x50($inp), @XMM[13] | |
1657 | pxor @XMM[12], @XMM[7] | |
1658 | movdqu 0x60($inp), @XMM[14] | |
1659 | pxor @XMM[13], @XMM[3] | |
1660 | movdqu 0x70($inp), @XMM[15] # IV | |
1661 | pxor @XMM[14], @XMM[5] | |
1662 | movdqu @XMM[0], 0x00($out) # write output | |
1663 | lea 0x80($inp), $inp | |
1664 | movdqu @XMM[1], 0x10($out) | |
1665 | movdqu @XMM[6], 0x20($out) | |
1666 | movdqu @XMM[4], 0x30($out) | |
1667 | movdqu @XMM[2], 0x40($out) | |
1668 | movdqu @XMM[7], 0x50($out) | |
1669 | movdqu @XMM[3], 0x60($out) | |
1670 | movdqu @XMM[5], 0x70($out) | |
1671 | lea 0x80($out), $out | |
1672 | sub \$8,$len | |
1673 | jnc .Lcbc_dec_loop | |
1674 | ||
1675 | add \$8,$len | |
1676 | jz .Lcbc_dec_done | |
1677 | ||
1678 | movdqu 0x00($inp), @XMM[0] # load input | |
1679 | mov %rsp, %rax # pass key schedule | |
60d4e99c | 1680 | mov %edx, %r10d # pass rounds |
a75a52a4 AP |
1681 | cmp \$2,$len |
1682 | jb .Lcbc_dec_one | |
1683 | movdqu 0x10($inp), @XMM[1] | |
1684 | je .Lcbc_dec_two | |
1685 | movdqu 0x20($inp), @XMM[2] | |
1686 | cmp \$4,$len | |
1687 | jb .Lcbc_dec_three | |
1688 | movdqu 0x30($inp), @XMM[3] | |
1689 | je .Lcbc_dec_four | |
1690 | movdqu 0x40($inp), @XMM[4] | |
1691 | cmp \$6,$len | |
1692 | jb .Lcbc_dec_five | |
1693 | movdqu 0x50($inp), @XMM[5] | |
1694 | je .Lcbc_dec_six | |
1695 | movdqu 0x60($inp), @XMM[6] | |
1696 | movdqa @XMM[15], 0x20(%rbp) # put aside IV | |
1697 | call _bsaes_decrypt8 | |
1698 | pxor 0x20(%rbp), @XMM[0] # ^= IV | |
1699 | movdqu 0x00($inp), @XMM[8] # re-load input | |
1700 | movdqu 0x10($inp), @XMM[9] | |
1701 | pxor @XMM[8], @XMM[1] | |
1702 | movdqu 0x20($inp), @XMM[10] | |
1703 | pxor @XMM[9], @XMM[6] | |
1704 | movdqu 0x30($inp), @XMM[11] | |
1705 | pxor @XMM[10], @XMM[4] | |
1706 | movdqu 0x40($inp), @XMM[12] | |
1707 | pxor @XMM[11], @XMM[2] | |
1708 | movdqu 0x50($inp), @XMM[13] | |
1709 | pxor @XMM[12], @XMM[7] | |
1710 | movdqu 0x60($inp), @XMM[15] # IV | |
1711 | pxor @XMM[13], @XMM[3] | |
1712 | movdqu @XMM[0], 0x00($out) # write output | |
1713 | movdqu @XMM[1], 0x10($out) | |
1714 | movdqu @XMM[6], 0x20($out) | |
1715 | movdqu @XMM[4], 0x30($out) | |
1716 | movdqu @XMM[2], 0x40($out) | |
1717 | movdqu @XMM[7], 0x50($out) | |
1718 | movdqu @XMM[3], 0x60($out) | |
1719 | jmp .Lcbc_dec_done | |
1720 | .align 16 | |
1721 | .Lcbc_dec_six: | |
1722 | movdqa @XMM[15], 0x20(%rbp) # put aside IV | |
1723 | call _bsaes_decrypt8 | |
1724 | pxor 0x20(%rbp), @XMM[0] # ^= IV | |
1725 | movdqu 0x00($inp), @XMM[8] # re-load input | |
1726 | movdqu 0x10($inp), @XMM[9] | |
1727 | pxor @XMM[8], @XMM[1] | |
1728 | movdqu 0x20($inp), @XMM[10] | |
1729 | pxor @XMM[9], @XMM[6] | |
1730 | movdqu 0x30($inp), @XMM[11] | |
1731 | pxor @XMM[10], @XMM[4] | |
1732 | movdqu 0x40($inp), @XMM[12] | |
1733 | pxor @XMM[11], @XMM[2] | |
1734 | movdqu 0x50($inp), @XMM[15] # IV | |
1735 | pxor @XMM[12], @XMM[7] | |
1736 | movdqu @XMM[0], 0x00($out) # write output | |
1737 | movdqu @XMM[1], 0x10($out) | |
1738 | movdqu @XMM[6], 0x20($out) | |
1739 | movdqu @XMM[4], 0x30($out) | |
1740 | movdqu @XMM[2], 0x40($out) | |
1741 | movdqu @XMM[7], 0x50($out) | |
1742 | jmp .Lcbc_dec_done | |
1743 | .align 16 | |
1744 | .Lcbc_dec_five: | |
1745 | movdqa @XMM[15], 0x20(%rbp) # put aside IV | |
1746 | call _bsaes_decrypt8 | |
1747 | pxor 0x20(%rbp), @XMM[0] # ^= IV | |
1748 | movdqu 0x00($inp), @XMM[8] # re-load input | |
1749 | movdqu 0x10($inp), @XMM[9] | |
1750 | pxor @XMM[8], @XMM[1] | |
1751 | movdqu 0x20($inp), @XMM[10] | |
1752 | pxor @XMM[9], @XMM[6] | |
1753 | movdqu 0x30($inp), @XMM[11] | |
1754 | pxor @XMM[10], @XMM[4] | |
1755 | movdqu 0x40($inp), @XMM[15] # IV | |
1756 | pxor @XMM[11], @XMM[2] | |
1757 | movdqu @XMM[0], 0x00($out) # write output | |
1758 | movdqu @XMM[1], 0x10($out) | |
1759 | movdqu @XMM[6], 0x20($out) | |
1760 | movdqu @XMM[4], 0x30($out) | |
1761 | movdqu @XMM[2], 0x40($out) | |
1762 | jmp .Lcbc_dec_done | |
1763 | .align 16 | |
1764 | .Lcbc_dec_four: | |
1765 | movdqa @XMM[15], 0x20(%rbp) # put aside IV | |
1766 | call _bsaes_decrypt8 | |
1767 | pxor 0x20(%rbp), @XMM[0] # ^= IV | |
1768 | movdqu 0x00($inp), @XMM[8] # re-load input | |
1769 | movdqu 0x10($inp), @XMM[9] | |
1770 | pxor @XMM[8], @XMM[1] | |
1771 | movdqu 0x20($inp), @XMM[10] | |
1772 | pxor @XMM[9], @XMM[6] | |
1773 | movdqu 0x30($inp), @XMM[15] # IV | |
1774 | pxor @XMM[10], @XMM[4] | |
1775 | movdqu @XMM[0], 0x00($out) # write output | |
1776 | movdqu @XMM[1], 0x10($out) | |
1777 | movdqu @XMM[6], 0x20($out) | |
1778 | movdqu @XMM[4], 0x30($out) | |
1779 | jmp .Lcbc_dec_done | |
1780 | .align 16 | |
1781 | .Lcbc_dec_three: | |
1782 | movdqa @XMM[15], 0x20(%rbp) # put aside IV | |
1783 | call _bsaes_decrypt8 | |
1784 | pxor 0x20(%rbp), @XMM[0] # ^= IV | |
1785 | movdqu 0x00($inp), @XMM[8] # re-load input | |
1786 | movdqu 0x10($inp), @XMM[9] | |
1787 | pxor @XMM[8], @XMM[1] | |
1788 | movdqu 0x20($inp), @XMM[15] # IV | |
1789 | pxor @XMM[9], @XMM[6] | |
1790 | movdqu @XMM[0], 0x00($out) # write output | |
1791 | movdqu @XMM[1], 0x10($out) | |
1792 | movdqu @XMM[6], 0x20($out) | |
1793 | jmp .Lcbc_dec_done | |
1794 | .align 16 | |
1795 | .Lcbc_dec_two: | |
1796 | movdqa @XMM[15], 0x20(%rbp) # put aside IV | |
1797 | call _bsaes_decrypt8 | |
1798 | pxor 0x20(%rbp), @XMM[0] # ^= IV | |
1799 | movdqu 0x00($inp), @XMM[8] # re-load input | |
1800 | movdqu 0x10($inp), @XMM[15] # IV | |
1801 | pxor @XMM[8], @XMM[1] | |
1802 | movdqu @XMM[0], 0x00($out) # write output | |
1803 | movdqu @XMM[1], 0x10($out) | |
1804 | jmp .Lcbc_dec_done | |
1805 | .align 16 | |
1806 | .Lcbc_dec_one: | |
60d4e99c AP |
1807 | lea ($inp), $arg1 |
1808 | lea 0x20(%rbp), $arg2 # buffer output | |
1809 | lea ($key), $arg3 | |
fe068648 | 1810 | call asm_AES_decrypt # doesn't touch %xmm |
60d4e99c AP |
1811 | pxor 0x20(%rbp), @XMM[15] # ^= IV |
1812 | movdqu @XMM[15], ($out) # write output | |
1813 | movdqa @XMM[0], @XMM[15] # IV | |
a75a52a4 AP |
1814 | |
1815 | .Lcbc_dec_done: | |
60d4e99c | 1816 | movdqu @XMM[15], (%rbx) # return IV |
a75a52a4 AP |
1817 | lea (%rsp), %rax |
1818 | pxor %xmm0, %xmm0 | |
1819 | .Lcbc_dec_bzero: # wipe key schedule [if any] | |
1820 | movdqa %xmm0, 0x00(%rax) | |
1821 | movdqa %xmm0, 0x10(%rax) | |
1822 | lea 0x20(%rax), %rax | |
1823 | cmp %rax, %rbp | |
1824 | ja .Lcbc_dec_bzero | |
1825 | ||
1826 | lea (%rbp),%rsp # restore %rsp | |
1827 | ___ | |
1828 | $code.=<<___ if ($win64); | |
1829 | movaps 0x40(%rbp), %xmm6 | |
1830 | movaps 0x50(%rbp), %xmm7 | |
1831 | movaps 0x60(%rbp), %xmm8 | |
1832 | movaps 0x70(%rbp), %xmm9 | |
1833 | movaps 0x80(%rbp), %xmm10 | |
1834 | movaps 0x90(%rbp), %xmm11 | |
1835 | movaps 0xa0(%rbp), %xmm12 | |
1836 | movaps 0xb0(%rbp), %xmm13 | |
1837 | movaps 0xc0(%rbp), %xmm14 | |
1838 | movaps 0xd0(%rbp), %xmm15 | |
1839 | lea 0xa0(%rbp), %rsp | |
1840 | ___ | |
1841 | $code.=<<___; | |
1842 | mov 0x48(%rsp), %r15 | |
1843 | mov 0x50(%rsp), %r14 | |
1844 | mov 0x58(%rsp), %r13 | |
1845 | mov 0x60(%rsp), %r12 | |
1846 | mov 0x68(%rsp), %rbx | |
fe068648 | 1847 | mov 0x70(%rsp), %rax |
a75a52a4 | 1848 | lea 0x78(%rsp), %rsp |
fe068648 | 1849 | mov %rax, %rbp |
a75a52a4 AP |
1850 | .Lcbc_dec_epilogue: |
1851 | ret | |
1852 | .size bsaes_cbc_encrypt,.-bsaes_cbc_encrypt | |
1853 | ||
4ec93a10 AP |
1854 | .globl bsaes_ctr32_encrypt_blocks |
1855 | .type bsaes_ctr32_encrypt_blocks,\@abi-omnipotent | |
1856 | .align 16 | |
1857 | bsaes_ctr32_encrypt_blocks: | |
fe068648 AP |
1858 | mov %rsp, %rax |
1859 | .Lctr_enc_prologue: | |
4ec93a10 AP |
1860 | push %rbp |
1861 | push %rbx | |
1862 | push %r12 | |
1863 | push %r13 | |
1864 | push %r14 | |
1865 | push %r15 | |
1866 | lea -0x48(%rsp), %rsp | |
1867 | ___ | |
1868 | $code.=<<___ if ($win64); | |
1869 | mov 0xa0(%rsp),$arg5 # pull ivp | |
1870 | lea -0xa0(%rsp), %rsp | |
1871 | movaps %xmm6, 0x40(%rsp) | |
1872 | movaps %xmm7, 0x50(%rsp) | |
1873 | movaps %xmm8, 0x60(%rsp) | |
1874 | movaps %xmm9, 0x70(%rsp) | |
1875 | movaps %xmm10, 0x80(%rsp) | |
1876 | movaps %xmm11, 0x90(%rsp) | |
1877 | movaps %xmm12, 0xa0(%rsp) | |
1878 | movaps %xmm13, 0xb0(%rsp) | |
1879 | movaps %xmm14, 0xc0(%rsp) | |
1880 | movaps %xmm15, 0xd0(%rsp) | |
1881 | .Lctr_enc_body: | |
1882 | ___ | |
1883 | $code.=<<___; | |
1884 | mov %rsp, %rbp # backup %rsp | |
1885 | movdqu ($arg5), %xmm0 # load counter | |
1886 | mov 240($arg4), %eax # rounds | |
1887 | mov $arg1, $inp # backup arguments | |
1888 | mov $arg2, $out | |
1889 | mov $arg3, $len | |
1890 | mov $arg4, $key | |
1891 | movdqa %xmm0, 0x20(%rbp) # copy counter | |
1892 | cmp \$8, $arg3 | |
1893 | jb .Lctr_enc_short | |
1894 | ||
1895 | mov %eax, %ebx # rounds | |
1896 | shl \$7, %rax # 128 bytes per inner round key | |
1897 | sub \$`128-32`, %rax # size of bit-sliced key schedule | |
1898 | sub %rax, %rsp | |
1899 | ||
1900 | mov %rsp, %rax # pass key schedule | |
1901 | mov $key, %rcx # pass key | |
1902 | mov %ebx, %r10d # pass rounds | |
28507577 AP |
1903 | call _bsaes_key_convert |
1904 | pxor %xmm6,%xmm7 # fix up last round key | |
1905 | movdqa %xmm7,(%rax) # save last round key | |
4ec93a10 AP |
1906 | |
1907 | movdqa (%rsp), @XMM[9] # load round0 key | |
1908 | lea .LADD1(%rip), %r11 | |
1909 | movdqa 0x20(%rbp), @XMM[0] # counter copy | |
1910 | movdqa -0x20(%r11), @XMM[8] # .LSWPUP | |
1911 | pshufb @XMM[8], @XMM[9] # byte swap upper part | |
1912 | pshufb @XMM[8], @XMM[0] | |
1913 | movdqa @XMM[9], (%rsp) # save adjusted round0 key | |
1914 | jmp .Lctr_enc_loop | |
1915 | .align 16 | |
1916 | .Lctr_enc_loop: | |
1917 | movdqa @XMM[0], 0x20(%rbp) # save counter | |
1918 | movdqa @XMM[0], @XMM[1] # prepare 8 counter values | |
1919 | movdqa @XMM[0], @XMM[2] | |
1920 | paddd 0x00(%r11), @XMM[1] # .LADD1 | |
1921 | movdqa @XMM[0], @XMM[3] | |
1922 | paddd 0x10(%r11), @XMM[2] # .LADD2 | |
1923 | movdqa @XMM[0], @XMM[4] | |
1924 | paddd 0x20(%r11), @XMM[3] # .LADD3 | |
1925 | movdqa @XMM[0], @XMM[5] | |
1926 | paddd 0x30(%r11), @XMM[4] # .LADD4 | |
1927 | movdqa @XMM[0], @XMM[6] | |
1928 | paddd 0x40(%r11), @XMM[5] # .LADD5 | |
1929 | movdqa @XMM[0], @XMM[7] | |
1930 | paddd 0x50(%r11), @XMM[6] # .LADD6 | |
1931 | paddd 0x60(%r11), @XMM[7] # .LADD7 | |
1932 | ||
1933 | # Borrow prologue from _bsaes_encrypt8 to use the opportunity | |
1934 | # to flip byte order in 32-bit counter | |
1935 | movdqa (%rsp), @XMM[9] # round 0 key | |
1936 | lea 0x10(%rsp), %rax # pass key schedule | |
1937 | movdqa -0x10(%r11), @XMM[8] # .LSWPUPM0SR | |
1938 | pxor @XMM[9], @XMM[0] # xor with round0 key | |
1939 | pxor @XMM[9], @XMM[1] | |
1940 | pshufb @XMM[8], @XMM[0] | |
1941 | pxor @XMM[9], @XMM[2] | |
1942 | pshufb @XMM[8], @XMM[1] | |
1943 | pxor @XMM[9], @XMM[3] | |
1944 | pshufb @XMM[8], @XMM[2] | |
1945 | pxor @XMM[9], @XMM[4] | |
1946 | pshufb @XMM[8], @XMM[3] | |
1947 | pxor @XMM[9], @XMM[5] | |
1948 | pshufb @XMM[8], @XMM[4] | |
1949 | pxor @XMM[9], @XMM[6] | |
1950 | pshufb @XMM[8], @XMM[5] | |
1951 | pxor @XMM[9], @XMM[7] | |
1952 | pshufb @XMM[8], @XMM[6] | |
1953 | lea .LBS0(%rip), %r11 # constants table | |
1954 | pshufb @XMM[8], @XMM[7] | |
1955 | mov %ebx,%r10d # pass rounds | |
1956 | ||
1957 | call _bsaes_encrypt8_bitslice | |
1958 | ||
1959 | sub \$8,$len | |
1960 | jc .Lctr_enc_loop_done | |
1961 | ||
1962 | movdqu 0x00($inp), @XMM[8] # load input | |
1963 | movdqu 0x10($inp), @XMM[9] | |
1964 | movdqu 0x20($inp), @XMM[10] | |
1965 | movdqu 0x30($inp), @XMM[11] | |
1966 | movdqu 0x40($inp), @XMM[12] | |
1967 | movdqu 0x50($inp), @XMM[13] | |
1968 | movdqu 0x60($inp), @XMM[14] | |
1969 | movdqu 0x70($inp), @XMM[15] | |
1970 | lea 0x80($inp),$inp | |
1971 | pxor @XMM[0], @XMM[8] | |
1972 | movdqa 0x20(%rbp), @XMM[0] # load counter | |
1973 | pxor @XMM[9], @XMM[1] | |
1974 | movdqu @XMM[8], 0x00($out) # write output | |
1975 | pxor @XMM[10], @XMM[4] | |
1976 | movdqu @XMM[1], 0x10($out) | |
1977 | pxor @XMM[11], @XMM[6] | |
1978 | movdqu @XMM[4], 0x20($out) | |
1979 | pxor @XMM[12], @XMM[3] | |
1980 | movdqu @XMM[6], 0x30($out) | |
1981 | pxor @XMM[13], @XMM[7] | |
1982 | movdqu @XMM[3], 0x40($out) | |
1983 | pxor @XMM[14], @XMM[2] | |
1984 | movdqu @XMM[7], 0x50($out) | |
1985 | pxor @XMM[15], @XMM[5] | |
1986 | movdqu @XMM[2], 0x60($out) | |
1987 | lea .LADD1(%rip), %r11 | |
1988 | movdqu @XMM[5], 0x70($out) | |
1989 | lea 0x80($out), $out | |
1990 | paddd 0x70(%r11), @XMM[0] # .LADD8 | |
1991 | jnz .Lctr_enc_loop | |
1992 | ||
1993 | jmp .Lctr_enc_done | |
1994 | .align 16 | |
1995 | .Lctr_enc_loop_done: | |
d127ef78 | 1996 | add \$8, $len |
4ec93a10 AP |
1997 | movdqu 0x00($inp), @XMM[8] # load input |
1998 | pxor @XMM[8], @XMM[0] | |
1999 | movdqu @XMM[0], 0x00($out) # write output | |
2000 | cmp \$2,$len | |
2001 | jb .Lctr_enc_done | |
2002 | movdqu 0x10($inp), @XMM[9] | |
2003 | pxor @XMM[9], @XMM[1] | |
2004 | movdqu @XMM[1], 0x10($out) | |
2005 | je .Lctr_enc_done | |
2006 | movdqu 0x20($inp), @XMM[10] | |
2007 | pxor @XMM[10], @XMM[4] | |
2008 | movdqu @XMM[4], 0x20($out) | |
2009 | cmp \$4,$len | |
2010 | jb .Lctr_enc_done | |
2011 | movdqu 0x30($inp), @XMM[11] | |
2012 | pxor @XMM[11], @XMM[6] | |
2013 | movdqu @XMM[6], 0x30($out) | |
2014 | je .Lctr_enc_done | |
2015 | movdqu 0x40($inp), @XMM[12] | |
2016 | pxor @XMM[12], @XMM[3] | |
2017 | movdqu @XMM[3], 0x40($out) | |
2018 | cmp \$6,$len | |
2019 | jb .Lctr_enc_done | |
2020 | movdqu 0x50($inp), @XMM[13] | |
2021 | pxor @XMM[13], @XMM[7] | |
2022 | movdqu @XMM[7], 0x50($out) | |
2023 | je .Lctr_enc_done | |
2024 | movdqu 0x60($inp), @XMM[14] | |
2025 | pxor @XMM[14], @XMM[2] | |
2026 | movdqu @XMM[2], 0x60($out) | |
2027 | jmp .Lctr_enc_done | |
2028 | ||
2029 | .align 16 | |
2030 | .Lctr_enc_short: | |
2031 | lea 0x20(%rbp), $arg1 | |
2032 | lea 0x30(%rbp), $arg2 | |
2033 | lea ($key), $arg3 | |
fe068648 | 2034 | call asm_AES_encrypt |
4ec93a10 AP |
2035 | movdqu ($inp), @XMM[1] |
2036 | lea 16($inp), $inp | |
2037 | mov 0x2c(%rbp), %eax # load 32-bit counter | |
2038 | bswap %eax | |
2039 | pxor 0x30(%rbp), @XMM[1] | |
2040 | inc %eax # increment | |
2041 | movdqu @XMM[1], ($out) | |
2042 | bswap %eax | |
2043 | lea 16($out), $out | |
2044 | mov %eax, 0x2c(%rsp) # save 32-bit counter | |
2045 | dec $len | |
2046 | jnz .Lctr_enc_short | |
2047 | ||
2048 | .Lctr_enc_done: | |
2049 | lea (%rsp), %rax | |
2050 | pxor %xmm0, %xmm0 | |
2051 | .Lctr_enc_bzero: # wipe key schedule [if any] | |
2052 | movdqa %xmm0, 0x00(%rax) | |
2053 | movdqa %xmm0, 0x10(%rax) | |
2054 | lea 0x20(%rax), %rax | |
2055 | cmp %rax, %rbp | |
2056 | ja .Lctr_enc_bzero | |
2057 | ||
2058 | lea (%rbp),%rsp # restore %rsp | |
2059 | ___ | |
2060 | $code.=<<___ if ($win64); | |
2061 | movaps 0x40(%rbp), %xmm6 | |
2062 | movaps 0x50(%rbp), %xmm7 | |
2063 | movaps 0x60(%rbp), %xmm8 | |
2064 | movaps 0x70(%rbp), %xmm9 | |
2065 | movaps 0x80(%rbp), %xmm10 | |
2066 | movaps 0x90(%rbp), %xmm11 | |
2067 | movaps 0xa0(%rbp), %xmm12 | |
2068 | movaps 0xb0(%rbp), %xmm13 | |
2069 | movaps 0xc0(%rbp), %xmm14 | |
2070 | movaps 0xd0(%rbp), %xmm15 | |
2071 | lea 0xa0(%rbp), %rsp | |
2072 | ___ | |
2073 | $code.=<<___; | |
2074 | mov 0x48(%rsp), %r15 | |
2075 | mov 0x50(%rsp), %r14 | |
2076 | mov 0x58(%rsp), %r13 | |
2077 | mov 0x60(%rsp), %r12 | |
2078 | mov 0x68(%rsp), %rbx | |
fe068648 | 2079 | mov 0x70(%rsp), %rax |
4ec93a10 | 2080 | lea 0x78(%rsp), %rsp |
fe068648 | 2081 | mov %rax, %rbp |
4ec93a10 AP |
2082 | .Lctr_enc_epilogue: |
2083 | ret | |
2084 | .size bsaes_ctr32_encrypt_blocks,.-bsaes_ctr32_encrypt_blocks | |
2085 | ___ | |
60d4e99c AP |
2086 | ###################################################################### |
2087 | # void bsaes_xts_[en|de]crypt(const char *inp,char *out,size_t len, | |
2088 | # const AES_KEY *key1, const AES_KEY *key2, | |
2089 | # const unsigned char iv[16]); | |
2090 | # | |
2091 | my ($twmask,$twres,$twtmp)=@XMM[13..15]; | |
2092 | $code.=<<___; | |
2093 | .globl bsaes_xts_encrypt | |
2094 | .type bsaes_xts_encrypt,\@abi-omnipotent | |
2095 | .align 16 | |
2096 | bsaes_xts_encrypt: | |
fe068648 AP |
2097 | mov %rsp, %rax |
2098 | .Lxts_enc_prologue: | |
60d4e99c AP |
2099 | push %rbp |
2100 | push %rbx | |
2101 | push %r12 | |
2102 | push %r13 | |
2103 | push %r14 | |
2104 | push %r15 | |
2105 | lea -0x48(%rsp), %rsp | |
2106 | ___ | |
2107 | $code.=<<___ if ($win64); | |
2108 | mov 0xa0(%rsp),$arg5 # pull key2 | |
2109 | mov 0xa8(%rsp),$arg6 # pull ivp | |
2110 | lea -0xa0(%rsp), %rsp | |
2111 | movaps %xmm6, 0x40(%rsp) | |
2112 | movaps %xmm7, 0x50(%rsp) | |
2113 | movaps %xmm8, 0x60(%rsp) | |
2114 | movaps %xmm9, 0x70(%rsp) | |
2115 | movaps %xmm10, 0x80(%rsp) | |
2116 | movaps %xmm11, 0x90(%rsp) | |
2117 | movaps %xmm12, 0xa0(%rsp) | |
2118 | movaps %xmm13, 0xb0(%rsp) | |
2119 | movaps %xmm14, 0xc0(%rsp) | |
2120 | movaps %xmm15, 0xd0(%rsp) | |
2121 | .Lxts_enc_body: | |
2122 | ___ | |
2123 | $code.=<<___; | |
2124 | mov %rsp, %rbp # backup %rsp | |
2125 | mov $arg1, $inp # backup arguments | |
2126 | mov $arg2, $out | |
2127 | mov $arg3, $len | |
2128 | mov $arg4, $key | |
2129 | ||
2130 | lea ($arg6), $arg1 | |
2131 | lea 0x20(%rbp), $arg2 | |
2132 | lea ($arg5), $arg3 | |
fe068648 | 2133 | call asm_AES_encrypt # generate initial tweak |
60d4e99c AP |
2134 | |
2135 | mov 240($key), %eax # rounds | |
2136 | mov $len, %rbx # backup $len | |
2137 | ||
2138 | mov %eax, %edx # rounds | |
2139 | shl \$7, %rax # 128 bytes per inner round key | |
2140 | sub \$`128-32`, %rax # size of bit-sliced key schedule | |
2141 | sub %rax, %rsp | |
2142 | ||
2143 | mov %rsp, %rax # pass key schedule | |
2144 | mov $key, %rcx # pass key | |
2145 | mov %edx, %r10d # pass rounds | |
2146 | call _bsaes_key_convert | |
2147 | pxor %xmm6, %xmm7 # fix up last round key | |
2148 | movdqa %xmm7, (%rax) # save last round key | |
2149 | ||
2150 | and \$-16, $len | |
2151 | sub \$0x80, %rsp # place for tweak[8] | |
2152 | movdqa 0x20(%rbp), @XMM[7] # initial tweak | |
2153 | ||
2154 | pxor $twtmp, $twtmp | |
2155 | movdqa .Lxts_magic(%rip), $twmask | |
2156 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2157 | ||
2158 | sub \$0x80, $len | |
2159 | jc .Lxts_enc_short | |
2160 | jmp .Lxts_enc_loop | |
2161 | ||
2162 | .align 16 | |
2163 | .Lxts_enc_loop: | |
2164 | ___ | |
2165 | for ($i=0;$i<7;$i++) { | |
2166 | $code.=<<___; | |
2167 | pshufd \$0x13, $twtmp, $twres | |
2168 | pxor $twtmp, $twtmp | |
2169 | movdqa @XMM[7], @XMM[$i] | |
2170 | movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] | |
2171 | paddq @XMM[7], @XMM[7] # psllq 1,$tweak | |
2172 | pand $twmask, $twres # isolate carry and residue | |
2173 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2174 | pxor $twres, @XMM[7] | |
2175 | ___ | |
2176 | $code.=<<___ if ($i>=1); | |
2177 | movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] | |
2178 | ___ | |
2179 | $code.=<<___ if ($i>=2); | |
2180 | pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] | |
2181 | ___ | |
2182 | } | |
2183 | $code.=<<___; | |
2184 | movdqu 0x60($inp), @XMM[8+6] | |
2185 | pxor @XMM[8+5], @XMM[5] | |
2186 | movdqu 0x70($inp), @XMM[8+7] | |
2187 | lea 0x80($inp), $inp | |
2188 | movdqa @XMM[7], 0x70(%rsp) | |
2189 | pxor @XMM[8+6], @XMM[6] | |
2190 | lea 0x80(%rsp), %rax # pass key schedule | |
2191 | pxor @XMM[8+7], @XMM[7] | |
2192 | mov %edx, %r10d # pass rounds | |
2193 | ||
2194 | call _bsaes_encrypt8 | |
2195 | ||
2196 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2197 | pxor 0x10(%rsp), @XMM[1] | |
2198 | movdqu @XMM[0], 0x00($out) # write output | |
2199 | pxor 0x20(%rsp), @XMM[4] | |
2200 | movdqu @XMM[1], 0x10($out) | |
2201 | pxor 0x30(%rsp), @XMM[6] | |
2202 | movdqu @XMM[4], 0x20($out) | |
2203 | pxor 0x40(%rsp), @XMM[3] | |
2204 | movdqu @XMM[6], 0x30($out) | |
2205 | pxor 0x50(%rsp), @XMM[7] | |
2206 | movdqu @XMM[3], 0x40($out) | |
2207 | pxor 0x60(%rsp), @XMM[2] | |
2208 | movdqu @XMM[7], 0x50($out) | |
2209 | pxor 0x70(%rsp), @XMM[5] | |
2210 | movdqu @XMM[2], 0x60($out) | |
2211 | movdqu @XMM[5], 0x70($out) | |
2212 | lea 0x80($out), $out | |
2213 | ||
2214 | movdqa 0x70(%rsp), @XMM[7] # prepare next iteration tweak | |
2215 | pxor $twtmp, $twtmp | |
2216 | movdqa .Lxts_magic(%rip), $twmask | |
2217 | pcmpgtd @XMM[7], $twtmp | |
2218 | pshufd \$0x13, $twtmp, $twres | |
2219 | pxor $twtmp, $twtmp | |
2220 | paddq @XMM[7], @XMM[7] # psllq 1,$tweak | |
2221 | pand $twmask, $twres # isolate carry and residue | |
2222 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2223 | pxor $twres, @XMM[7] | |
2224 | ||
2225 | sub \$0x80,$len | |
2226 | jnc .Lxts_enc_loop | |
2227 | ||
2228 | .Lxts_enc_short: | |
2229 | add \$0x80, $len | |
2230 | jz .Lxts_enc_done | |
2231 | ___ | |
2232 | for ($i=0;$i<7;$i++) { | |
2233 | $code.=<<___; | |
2234 | pshufd \$0x13, $twtmp, $twres | |
2235 | pxor $twtmp, $twtmp | |
2236 | movdqa @XMM[7], @XMM[$i] | |
2237 | movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] | |
2238 | paddq @XMM[7], @XMM[7] # psllq 1,$tweak | |
2239 | pand $twmask, $twres # isolate carry and residue | |
2240 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2241 | pxor $twres, @XMM[7] | |
2242 | ___ | |
2243 | $code.=<<___ if ($i>=1); | |
2244 | movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] | |
2245 | cmp \$`0x10*$i`,$len | |
2246 | je .Lxts_enc_$i | |
2247 | ___ | |
2248 | $code.=<<___ if ($i>=2); | |
2249 | pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] | |
2250 | ___ | |
2251 | } | |
2252 | $code.=<<___; | |
2253 | movdqu 0x60($inp), @XMM[8+6] | |
2254 | pxor @XMM[8+5], @XMM[5] | |
2255 | movdqa @XMM[7], 0x70(%rsp) | |
2256 | lea 0x70($inp), $inp | |
2257 | pxor @XMM[8+6], @XMM[6] | |
2258 | lea 0x80(%rsp), %rax # pass key schedule | |
2259 | mov %edx, %r10d # pass rounds | |
2260 | ||
2261 | call _bsaes_encrypt8 | |
2262 | ||
2263 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2264 | pxor 0x10(%rsp), @XMM[1] | |
2265 | movdqu @XMM[0], 0x00($out) # write output | |
2266 | pxor 0x20(%rsp), @XMM[4] | |
2267 | movdqu @XMM[1], 0x10($out) | |
2268 | pxor 0x30(%rsp), @XMM[6] | |
2269 | movdqu @XMM[4], 0x20($out) | |
2270 | pxor 0x40(%rsp), @XMM[3] | |
2271 | movdqu @XMM[6], 0x30($out) | |
2272 | pxor 0x50(%rsp), @XMM[7] | |
2273 | movdqu @XMM[3], 0x40($out) | |
2274 | pxor 0x60(%rsp), @XMM[2] | |
2275 | movdqu @XMM[7], 0x50($out) | |
2276 | movdqu @XMM[2], 0x60($out) | |
2277 | lea 0x70($out), $out | |
2278 | ||
2279 | movdqa 0x70(%rsp), @XMM[7] # next iteration tweak | |
2280 | jmp .Lxts_enc_done | |
2281 | .align 16 | |
2282 | .Lxts_enc_6: | |
2283 | pxor @XMM[8+4], @XMM[4] | |
2284 | lea 0x60($inp), $inp | |
2285 | pxor @XMM[8+5], @XMM[5] | |
2286 | lea 0x80(%rsp), %rax # pass key schedule | |
2287 | mov %edx, %r10d # pass rounds | |
2288 | ||
2289 | call _bsaes_encrypt8 | |
2290 | ||
2291 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2292 | pxor 0x10(%rsp), @XMM[1] | |
2293 | movdqu @XMM[0], 0x00($out) # write output | |
2294 | pxor 0x20(%rsp), @XMM[4] | |
2295 | movdqu @XMM[1], 0x10($out) | |
2296 | pxor 0x30(%rsp), @XMM[6] | |
2297 | movdqu @XMM[4], 0x20($out) | |
2298 | pxor 0x40(%rsp), @XMM[3] | |
2299 | movdqu @XMM[6], 0x30($out) | |
2300 | pxor 0x50(%rsp), @XMM[7] | |
2301 | movdqu @XMM[3], 0x40($out) | |
2302 | movdqu @XMM[7], 0x50($out) | |
2303 | lea 0x60($out), $out | |
2304 | ||
2305 | movdqa 0x60(%rsp), @XMM[7] # next iteration tweak | |
2306 | jmp .Lxts_enc_done | |
2307 | .align 16 | |
2308 | .Lxts_enc_5: | |
2309 | pxor @XMM[8+3], @XMM[3] | |
2310 | lea 0x50($inp), $inp | |
2311 | pxor @XMM[8+4], @XMM[4] | |
2312 | lea 0x80(%rsp), %rax # pass key schedule | |
2313 | mov %edx, %r10d # pass rounds | |
2314 | ||
2315 | call _bsaes_encrypt8 | |
2316 | ||
2317 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2318 | pxor 0x10(%rsp), @XMM[1] | |
2319 | movdqu @XMM[0], 0x00($out) # write output | |
2320 | pxor 0x20(%rsp), @XMM[4] | |
2321 | movdqu @XMM[1], 0x10($out) | |
2322 | pxor 0x30(%rsp), @XMM[6] | |
2323 | movdqu @XMM[4], 0x20($out) | |
2324 | pxor 0x40(%rsp), @XMM[3] | |
2325 | movdqu @XMM[6], 0x30($out) | |
2326 | movdqu @XMM[3], 0x40($out) | |
2327 | lea 0x50($out), $out | |
2328 | ||
2329 | movdqa 0x50(%rsp), @XMM[7] # next iteration tweak | |
2330 | jmp .Lxts_enc_done | |
2331 | .align 16 | |
2332 | .Lxts_enc_4: | |
2333 | pxor @XMM[8+2], @XMM[2] | |
2334 | lea 0x40($inp), $inp | |
2335 | pxor @XMM[8+3], @XMM[3] | |
2336 | lea 0x80(%rsp), %rax # pass key schedule | |
2337 | mov %edx, %r10d # pass rounds | |
2338 | ||
2339 | call _bsaes_encrypt8 | |
2340 | ||
2341 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2342 | pxor 0x10(%rsp), @XMM[1] | |
2343 | movdqu @XMM[0], 0x00($out) # write output | |
2344 | pxor 0x20(%rsp), @XMM[4] | |
2345 | movdqu @XMM[1], 0x10($out) | |
2346 | pxor 0x30(%rsp), @XMM[6] | |
2347 | movdqu @XMM[4], 0x20($out) | |
2348 | movdqu @XMM[6], 0x30($out) | |
2349 | lea 0x40($out), $out | |
2350 | ||
2351 | movdqa 0x40(%rsp), @XMM[7] # next iteration tweak | |
2352 | jmp .Lxts_enc_done | |
2353 | .align 16 | |
2354 | .Lxts_enc_3: | |
2355 | pxor @XMM[8+1], @XMM[1] | |
2356 | lea 0x30($inp), $inp | |
2357 | pxor @XMM[8+2], @XMM[2] | |
2358 | lea 0x80(%rsp), %rax # pass key schedule | |
2359 | mov %edx, %r10d # pass rounds | |
2360 | ||
2361 | call _bsaes_encrypt8 | |
2362 | ||
2363 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2364 | pxor 0x10(%rsp), @XMM[1] | |
2365 | movdqu @XMM[0], 0x00($out) # write output | |
2366 | pxor 0x20(%rsp), @XMM[4] | |
2367 | movdqu @XMM[1], 0x10($out) | |
2368 | movdqu @XMM[4], 0x20($out) | |
2369 | lea 0x30($out), $out | |
2370 | ||
2371 | movdqa 0x30(%rsp), @XMM[7] # next iteration tweak | |
2372 | jmp .Lxts_enc_done | |
2373 | .align 16 | |
2374 | .Lxts_enc_2: | |
2375 | pxor @XMM[8+0], @XMM[0] | |
2376 | lea 0x20($inp), $inp | |
2377 | pxor @XMM[8+1], @XMM[1] | |
2378 | lea 0x80(%rsp), %rax # pass key schedule | |
2379 | mov %edx, %r10d # pass rounds | |
2380 | ||
2381 | call _bsaes_encrypt8 | |
2382 | ||
2383 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2384 | pxor 0x10(%rsp), @XMM[1] | |
2385 | movdqu @XMM[0], 0x00($out) # write output | |
2386 | movdqu @XMM[1], 0x10($out) | |
2387 | lea 0x20($out), $out | |
2388 | ||
2389 | movdqa 0x20(%rsp), @XMM[7] # next iteration tweak | |
2390 | jmp .Lxts_enc_done | |
2391 | .align 16 | |
2392 | .Lxts_enc_1: | |
2393 | pxor @XMM[0], @XMM[8] | |
2394 | lea 0x10($inp), $inp | |
2395 | movdqa @XMM[8], 0x20(%rbp) | |
2396 | lea 0x20(%rbp), $arg1 | |
2397 | lea 0x20(%rbp), $arg2 | |
2398 | lea ($key), $arg3 | |
fe068648 | 2399 | call asm_AES_encrypt # doesn't touch %xmm |
60d4e99c AP |
2400 | pxor 0x20(%rbp), @XMM[0] # ^= tweak[] |
2401 | #pxor @XMM[8], @XMM[0] | |
2402 | #lea 0x80(%rsp), %rax # pass key schedule | |
2403 | #mov %edx, %r10d # pass rounds | |
2404 | #call _bsaes_encrypt8 | |
2405 | #pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2406 | movdqu @XMM[0], 0x00($out) # write output | |
2407 | lea 0x10($out), $out | |
2408 | ||
2409 | movdqa 0x10(%rsp), @XMM[7] # next iteration tweak | |
2410 | ||
2411 | .Lxts_enc_done: | |
2412 | and \$15, %ebx | |
2413 | jz .Lxts_enc_ret | |
2414 | mov $out, %rdx | |
2415 | ||
2416 | .Lxts_enc_steal: | |
2417 | movzb ($inp), %eax | |
2418 | movzb -16(%rdx), %ecx | |
2419 | lea 1($inp), $inp | |
2420 | mov %al, -16(%rdx) | |
2421 | mov %cl, 0(%rdx) | |
2422 | lea 1(%rdx), %rdx | |
2423 | sub \$1,%ebx | |
2424 | jnz .Lxts_enc_steal | |
2425 | ||
2426 | movdqu -16($out), @XMM[0] | |
2427 | lea 0x20(%rbp), $arg1 | |
2428 | pxor @XMM[7], @XMM[0] | |
2429 | lea 0x20(%rbp), $arg2 | |
2430 | movdqa @XMM[0], 0x20(%rbp) | |
2431 | lea ($key), $arg3 | |
fe068648 | 2432 | call asm_AES_encrypt # doesn't touch %xmm |
60d4e99c AP |
2433 | pxor 0x20(%rbp), @XMM[7] |
2434 | movdqu @XMM[7], -16($out) | |
2435 | ||
2436 | .Lxts_enc_ret: | |
2437 | lea (%rsp), %rax | |
2438 | pxor %xmm0, %xmm0 | |
2439 | .Lxts_enc_bzero: # wipe key schedule [if any] | |
2440 | movdqa %xmm0, 0x00(%rax) | |
2441 | movdqa %xmm0, 0x10(%rax) | |
2442 | lea 0x20(%rax), %rax | |
2443 | cmp %rax, %rbp | |
2444 | ja .Lxts_enc_bzero | |
2445 | ||
2446 | lea (%rbp),%rsp # restore %rsp | |
2447 | ___ | |
2448 | $code.=<<___ if ($win64); | |
2449 | movaps 0x40(%rbp), %xmm6 | |
2450 | movaps 0x50(%rbp), %xmm7 | |
2451 | movaps 0x60(%rbp), %xmm8 | |
2452 | movaps 0x70(%rbp), %xmm9 | |
2453 | movaps 0x80(%rbp), %xmm10 | |
2454 | movaps 0x90(%rbp), %xmm11 | |
2455 | movaps 0xa0(%rbp), %xmm12 | |
2456 | movaps 0xb0(%rbp), %xmm13 | |
2457 | movaps 0xc0(%rbp), %xmm14 | |
2458 | movaps 0xd0(%rbp), %xmm15 | |
2459 | lea 0xa0(%rbp), %rsp | |
2460 | ___ | |
2461 | $code.=<<___; | |
2462 | mov 0x48(%rsp), %r15 | |
2463 | mov 0x50(%rsp), %r14 | |
2464 | mov 0x58(%rsp), %r13 | |
2465 | mov 0x60(%rsp), %r12 | |
2466 | mov 0x68(%rsp), %rbx | |
fe068648 | 2467 | mov 0x70(%rsp), %rax |
60d4e99c | 2468 | lea 0x78(%rsp), %rsp |
fe068648 | 2469 | mov %rax, %rbp |
60d4e99c AP |
2470 | .Lxts_enc_epilogue: |
2471 | ret | |
2472 | .size bsaes_xts_encrypt,.-bsaes_xts_encrypt | |
2473 | ||
2474 | .globl bsaes_xts_decrypt | |
2475 | .type bsaes_xts_decrypt,\@abi-omnipotent | |
2476 | .align 16 | |
2477 | bsaes_xts_decrypt: | |
fe068648 AP |
2478 | mov %rsp, %rax |
2479 | .Lxts_dec_prologue: | |
60d4e99c AP |
2480 | push %rbp |
2481 | push %rbx | |
2482 | push %r12 | |
2483 | push %r13 | |
2484 | push %r14 | |
2485 | push %r15 | |
2486 | lea -0x48(%rsp), %rsp | |
2487 | ___ | |
2488 | $code.=<<___ if ($win64); | |
2489 | mov 0xa0(%rsp),$arg5 # pull key2 | |
2490 | mov 0xa8(%rsp),$arg6 # pull ivp | |
2491 | lea -0xa0(%rsp), %rsp | |
2492 | movaps %xmm6, 0x40(%rsp) | |
2493 | movaps %xmm7, 0x50(%rsp) | |
2494 | movaps %xmm8, 0x60(%rsp) | |
2495 | movaps %xmm9, 0x70(%rsp) | |
2496 | movaps %xmm10, 0x80(%rsp) | |
2497 | movaps %xmm11, 0x90(%rsp) | |
2498 | movaps %xmm12, 0xa0(%rsp) | |
2499 | movaps %xmm13, 0xb0(%rsp) | |
2500 | movaps %xmm14, 0xc0(%rsp) | |
2501 | movaps %xmm15, 0xd0(%rsp) | |
2502 | .Lxts_dec_body: | |
2503 | ___ | |
2504 | $code.=<<___; | |
2505 | mov %rsp, %rbp # backup %rsp | |
2506 | mov $arg1, $inp # backup arguments | |
2507 | mov $arg2, $out | |
2508 | mov $arg3, $len | |
2509 | mov $arg4, $key | |
2510 | ||
2511 | lea ($arg6), $arg1 | |
2512 | lea 0x20(%rbp), $arg2 | |
2513 | lea ($arg5), $arg3 | |
fe068648 | 2514 | call asm_AES_encrypt # generate initial tweak |
60d4e99c AP |
2515 | |
2516 | mov 240($key), %eax # rounds | |
2517 | mov $len, %rbx # backup $len | |
2518 | ||
2519 | mov %eax, %edx # rounds | |
2520 | shl \$7, %rax # 128 bytes per inner round key | |
2521 | sub \$`128-32`, %rax # size of bit-sliced key schedule | |
2522 | sub %rax, %rsp | |
2523 | ||
2524 | mov %rsp, %rax # pass key schedule | |
2525 | mov $key, %rcx # pass key | |
2526 | mov %edx, %r10d # pass rounds | |
2527 | call _bsaes_key_convert | |
2528 | pxor (%rsp), %xmm7 # fix up round 0 key | |
2529 | movdqa %xmm6, (%rax) # save last round key | |
2530 | movdqa %xmm7, (%rsp) | |
2531 | ||
2532 | xor %eax, %eax # if ($len%16) len-=16; | |
2533 | and \$-16, $len | |
2534 | test \$15, %ebx | |
2535 | setnz %al | |
2536 | shl \$4, %rax | |
2537 | sub %rax, $len | |
2538 | ||
2539 | sub \$0x80, %rsp # place for tweak[8] | |
2540 | movdqa 0x20(%rbp), @XMM[7] # initial tweak | |
2541 | ||
2542 | pxor $twtmp, $twtmp | |
2543 | movdqa .Lxts_magic(%rip), $twmask | |
2544 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2545 | ||
2546 | sub \$0x80, $len | |
2547 | jc .Lxts_dec_short | |
2548 | jmp .Lxts_dec_loop | |
2549 | ||
2550 | .align 16 | |
2551 | .Lxts_dec_loop: | |
2552 | ___ | |
2553 | for ($i=0;$i<7;$i++) { | |
2554 | $code.=<<___; | |
2555 | pshufd \$0x13, $twtmp, $twres | |
2556 | pxor $twtmp, $twtmp | |
2557 | movdqa @XMM[7], @XMM[$i] | |
2558 | movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] | |
2559 | paddq @XMM[7], @XMM[7] # psllq 1,$tweak | |
2560 | pand $twmask, $twres # isolate carry and residue | |
2561 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2562 | pxor $twres, @XMM[7] | |
2563 | ___ | |
2564 | $code.=<<___ if ($i>=1); | |
2565 | movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] | |
2566 | ___ | |
2567 | $code.=<<___ if ($i>=2); | |
2568 | pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] | |
2569 | ___ | |
2570 | } | |
2571 | $code.=<<___; | |
2572 | movdqu 0x60($inp), @XMM[8+6] | |
2573 | pxor @XMM[8+5], @XMM[5] | |
2574 | movdqu 0x70($inp), @XMM[8+7] | |
2575 | lea 0x80($inp), $inp | |
2576 | movdqa @XMM[7], 0x70(%rsp) | |
2577 | pxor @XMM[8+6], @XMM[6] | |
2578 | lea 0x80(%rsp), %rax # pass key schedule | |
2579 | pxor @XMM[8+7], @XMM[7] | |
2580 | mov %edx, %r10d # pass rounds | |
2581 | ||
2582 | call _bsaes_decrypt8 | |
2583 | ||
2584 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2585 | pxor 0x10(%rsp), @XMM[1] | |
2586 | movdqu @XMM[0], 0x00($out) # write output | |
2587 | pxor 0x20(%rsp), @XMM[6] | |
2588 | movdqu @XMM[1], 0x10($out) | |
2589 | pxor 0x30(%rsp), @XMM[4] | |
2590 | movdqu @XMM[6], 0x20($out) | |
2591 | pxor 0x40(%rsp), @XMM[2] | |
2592 | movdqu @XMM[4], 0x30($out) | |
2593 | pxor 0x50(%rsp), @XMM[7] | |
2594 | movdqu @XMM[2], 0x40($out) | |
2595 | pxor 0x60(%rsp), @XMM[3] | |
2596 | movdqu @XMM[7], 0x50($out) | |
2597 | pxor 0x70(%rsp), @XMM[5] | |
2598 | movdqu @XMM[3], 0x60($out) | |
2599 | movdqu @XMM[5], 0x70($out) | |
2600 | lea 0x80($out), $out | |
2601 | ||
2602 | movdqa 0x70(%rsp), @XMM[7] # prepare next iteration tweak | |
2603 | pxor $twtmp, $twtmp | |
2604 | movdqa .Lxts_magic(%rip), $twmask | |
2605 | pcmpgtd @XMM[7], $twtmp | |
2606 | pshufd \$0x13, $twtmp, $twres | |
2607 | pxor $twtmp, $twtmp | |
2608 | paddq @XMM[7], @XMM[7] # psllq 1,$tweak | |
2609 | pand $twmask, $twres # isolate carry and residue | |
2610 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2611 | pxor $twres, @XMM[7] | |
2612 | ||
2613 | sub \$0x80,$len | |
2614 | jnc .Lxts_dec_loop | |
2615 | ||
2616 | .Lxts_dec_short: | |
2617 | add \$0x80, $len | |
2618 | jz .Lxts_dec_done | |
2619 | ___ | |
2620 | for ($i=0;$i<7;$i++) { | |
2621 | $code.=<<___; | |
2622 | pshufd \$0x13, $twtmp, $twres | |
2623 | pxor $twtmp, $twtmp | |
2624 | movdqa @XMM[7], @XMM[$i] | |
2625 | movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] | |
2626 | paddq @XMM[7], @XMM[7] # psllq 1,$tweak | |
2627 | pand $twmask, $twres # isolate carry and residue | |
2628 | pcmpgtd @XMM[7], $twtmp # broadcast upper bits | |
2629 | pxor $twres, @XMM[7] | |
2630 | ___ | |
2631 | $code.=<<___ if ($i>=1); | |
2632 | movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] | |
2633 | cmp \$`0x10*$i`,$len | |
2634 | je .Lxts_dec_$i | |
2635 | ___ | |
2636 | $code.=<<___ if ($i>=2); | |
2637 | pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] | |
2638 | ___ | |
2639 | } | |
2640 | $code.=<<___; | |
2641 | movdqu 0x60($inp), @XMM[8+6] | |
2642 | pxor @XMM[8+5], @XMM[5] | |
2643 | movdqa @XMM[7], 0x70(%rsp) | |
2644 | lea 0x70($inp), $inp | |
2645 | pxor @XMM[8+6], @XMM[6] | |
2646 | lea 0x80(%rsp), %rax # pass key schedule | |
2647 | mov %edx, %r10d # pass rounds | |
2648 | ||
2649 | call _bsaes_decrypt8 | |
2650 | ||
2651 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2652 | pxor 0x10(%rsp), @XMM[1] | |
2653 | movdqu @XMM[0], 0x00($out) # write output | |
2654 | pxor 0x20(%rsp), @XMM[6] | |
2655 | movdqu @XMM[1], 0x10($out) | |
2656 | pxor 0x30(%rsp), @XMM[4] | |
2657 | movdqu @XMM[6], 0x20($out) | |
2658 | pxor 0x40(%rsp), @XMM[2] | |
2659 | movdqu @XMM[4], 0x30($out) | |
2660 | pxor 0x50(%rsp), @XMM[7] | |
2661 | movdqu @XMM[2], 0x40($out) | |
2662 | pxor 0x60(%rsp), @XMM[3] | |
2663 | movdqu @XMM[7], 0x50($out) | |
2664 | movdqu @XMM[3], 0x60($out) | |
2665 | lea 0x70($out), $out | |
2666 | ||
2667 | movdqa 0x70(%rsp), @XMM[7] # next iteration tweak | |
2668 | jmp .Lxts_dec_done | |
2669 | .align 16 | |
2670 | .Lxts_dec_6: | |
2671 | pxor @XMM[8+4], @XMM[4] | |
2672 | lea 0x60($inp), $inp | |
2673 | pxor @XMM[8+5], @XMM[5] | |
2674 | lea 0x80(%rsp), %rax # pass key schedule | |
2675 | mov %edx, %r10d # pass rounds | |
2676 | ||
2677 | call _bsaes_decrypt8 | |
2678 | ||
2679 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2680 | pxor 0x10(%rsp), @XMM[1] | |
2681 | movdqu @XMM[0], 0x00($out) # write output | |
2682 | pxor 0x20(%rsp), @XMM[6] | |
2683 | movdqu @XMM[1], 0x10($out) | |
2684 | pxor 0x30(%rsp), @XMM[4] | |
2685 | movdqu @XMM[6], 0x20($out) | |
2686 | pxor 0x40(%rsp), @XMM[2] | |
2687 | movdqu @XMM[4], 0x30($out) | |
2688 | pxor 0x50(%rsp), @XMM[7] | |
2689 | movdqu @XMM[2], 0x40($out) | |
2690 | movdqu @XMM[7], 0x50($out) | |
2691 | lea 0x60($out), $out | |
2692 | ||
2693 | movdqa 0x60(%rsp), @XMM[7] # next iteration tweak | |
2694 | jmp .Lxts_dec_done | |
2695 | .align 16 | |
2696 | .Lxts_dec_5: | |
2697 | pxor @XMM[8+3], @XMM[3] | |
2698 | lea 0x50($inp), $inp | |
2699 | pxor @XMM[8+4], @XMM[4] | |
2700 | lea 0x80(%rsp), %rax # pass key schedule | |
2701 | mov %edx, %r10d # pass rounds | |
2702 | ||
2703 | call _bsaes_decrypt8 | |
2704 | ||
2705 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2706 | pxor 0x10(%rsp), @XMM[1] | |
2707 | movdqu @XMM[0], 0x00($out) # write output | |
2708 | pxor 0x20(%rsp), @XMM[6] | |
2709 | movdqu @XMM[1], 0x10($out) | |
2710 | pxor 0x30(%rsp), @XMM[4] | |
2711 | movdqu @XMM[6], 0x20($out) | |
2712 | pxor 0x40(%rsp), @XMM[2] | |
2713 | movdqu @XMM[4], 0x30($out) | |
2714 | movdqu @XMM[2], 0x40($out) | |
2715 | lea 0x50($out), $out | |
2716 | ||
2717 | movdqa 0x50(%rsp), @XMM[7] # next iteration tweak | |
2718 | jmp .Lxts_dec_done | |
2719 | .align 16 | |
2720 | .Lxts_dec_4: | |
2721 | pxor @XMM[8+2], @XMM[2] | |
2722 | lea 0x40($inp), $inp | |
2723 | pxor @XMM[8+3], @XMM[3] | |
2724 | lea 0x80(%rsp), %rax # pass key schedule | |
2725 | mov %edx, %r10d # pass rounds | |
2726 | ||
2727 | call _bsaes_decrypt8 | |
2728 | ||
2729 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2730 | pxor 0x10(%rsp), @XMM[1] | |
2731 | movdqu @XMM[0], 0x00($out) # write output | |
2732 | pxor 0x20(%rsp), @XMM[6] | |
2733 | movdqu @XMM[1], 0x10($out) | |
2734 | pxor 0x30(%rsp), @XMM[4] | |
2735 | movdqu @XMM[6], 0x20($out) | |
2736 | movdqu @XMM[4], 0x30($out) | |
2737 | lea 0x40($out), $out | |
2738 | ||
2739 | movdqa 0x40(%rsp), @XMM[7] # next iteration tweak | |
2740 | jmp .Lxts_dec_done | |
2741 | .align 16 | |
2742 | .Lxts_dec_3: | |
2743 | pxor @XMM[8+1], @XMM[1] | |
2744 | lea 0x30($inp), $inp | |
2745 | pxor @XMM[8+2], @XMM[2] | |
2746 | lea 0x80(%rsp), %rax # pass key schedule | |
2747 | mov %edx, %r10d # pass rounds | |
2748 | ||
2749 | call _bsaes_decrypt8 | |
2750 | ||
2751 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2752 | pxor 0x10(%rsp), @XMM[1] | |
2753 | movdqu @XMM[0], 0x00($out) # write output | |
2754 | pxor 0x20(%rsp), @XMM[6] | |
2755 | movdqu @XMM[1], 0x10($out) | |
2756 | movdqu @XMM[6], 0x20($out) | |
2757 | lea 0x30($out), $out | |
2758 | ||
2759 | movdqa 0x30(%rsp), @XMM[7] # next iteration tweak | |
2760 | jmp .Lxts_dec_done | |
2761 | .align 16 | |
2762 | .Lxts_dec_2: | |
2763 | pxor @XMM[8+0], @XMM[0] | |
2764 | lea 0x20($inp), $inp | |
2765 | pxor @XMM[8+1], @XMM[1] | |
2766 | lea 0x80(%rsp), %rax # pass key schedule | |
2767 | mov %edx, %r10d # pass rounds | |
2768 | ||
2769 | call _bsaes_decrypt8 | |
2770 | ||
2771 | pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2772 | pxor 0x10(%rsp), @XMM[1] | |
2773 | movdqu @XMM[0], 0x00($out) # write output | |
2774 | movdqu @XMM[1], 0x10($out) | |
2775 | lea 0x20($out), $out | |
2776 | ||
2777 | movdqa 0x20(%rsp), @XMM[7] # next iteration tweak | |
2778 | jmp .Lxts_dec_done | |
2779 | .align 16 | |
2780 | .Lxts_dec_1: | |
2781 | pxor @XMM[0], @XMM[8] | |
2782 | lea 0x10($inp), $inp | |
2783 | movdqa @XMM[8], 0x20(%rbp) | |
2784 | lea 0x20(%rbp), $arg1 | |
2785 | lea 0x20(%rbp), $arg2 | |
2786 | lea ($key), $arg3 | |
fe068648 | 2787 | call asm_AES_decrypt # doesn't touch %xmm |
60d4e99c AP |
2788 | pxor 0x20(%rbp), @XMM[0] # ^= tweak[] |
2789 | #pxor @XMM[8], @XMM[0] | |
2790 | #lea 0x80(%rsp), %rax # pass key schedule | |
2791 | #mov %edx, %r10d # pass rounds | |
2792 | #call _bsaes_decrypt8 | |
2793 | #pxor 0x00(%rsp), @XMM[0] # ^= tweak[] | |
2794 | movdqu @XMM[0], 0x00($out) # write output | |
2795 | lea 0x10($out), $out | |
2796 | ||
2797 | movdqa 0x10(%rsp), @XMM[7] # next iteration tweak | |
2798 | ||
2799 | .Lxts_dec_done: | |
2800 | and \$15, %ebx | |
2801 | jz .Lxts_dec_ret | |
2802 | ||
2803 | pxor $twtmp, $twtmp | |
2804 | movdqa .Lxts_magic(%rip), $twmask | |
2805 | pcmpgtd @XMM[7], $twtmp | |
2806 | pshufd \$0x13, $twtmp, $twres | |
2807 | movdqa @XMM[7], @XMM[6] | |
2808 | paddq @XMM[7], @XMM[7] # psllq 1,$tweak | |
2809 | pand $twmask, $twres # isolate carry and residue | |
2810 | movdqu ($inp), @XMM[0] | |
2811 | pxor $twres, @XMM[7] | |
2812 | ||
2813 | lea 0x20(%rbp), $arg1 | |
2814 | pxor @XMM[7], @XMM[0] | |
2815 | lea 0x20(%rbp), $arg2 | |
2816 | movdqa @XMM[0], 0x20(%rbp) | |
2817 | lea ($key), $arg3 | |
fe068648 | 2818 | call asm_AES_decrypt # doesn't touch %xmm |
60d4e99c AP |
2819 | pxor 0x20(%rbp), @XMM[7] |
2820 | mov $out, %rdx | |
2821 | movdqu @XMM[7], ($out) | |
2822 | ||
2823 | .Lxts_dec_steal: | |
2824 | movzb 16($inp), %eax | |
2825 | movzb (%rdx), %ecx | |
2826 | lea 1($inp), $inp | |
2827 | mov %al, (%rdx) | |
2828 | mov %cl, 16(%rdx) | |
2829 | lea 1(%rdx), %rdx | |
2830 | sub \$1,%ebx | |
2831 | jnz .Lxts_dec_steal | |
2832 | ||
2833 | movdqu ($out), @XMM[0] | |
2834 | lea 0x20(%rbp), $arg1 | |
2835 | pxor @XMM[6], @XMM[0] | |
2836 | lea 0x20(%rbp), $arg2 | |
2837 | movdqa @XMM[0], 0x20(%rbp) | |
2838 | lea ($key), $arg3 | |
fe068648 | 2839 | call asm_AES_decrypt # doesn't touch %xmm |
60d4e99c AP |
2840 | pxor 0x20(%rbp), @XMM[6] |
2841 | movdqu @XMM[6], ($out) | |
2842 | ||
2843 | .Lxts_dec_ret: | |
2844 | lea (%rsp), %rax | |
2845 | pxor %xmm0, %xmm0 | |
2846 | .Lxts_dec_bzero: # wipe key schedule [if any] | |
2847 | movdqa %xmm0, 0x00(%rax) | |
2848 | movdqa %xmm0, 0x10(%rax) | |
2849 | lea 0x20(%rax), %rax | |
2850 | cmp %rax, %rbp | |
2851 | ja .Lxts_dec_bzero | |
2852 | ||
2853 | lea (%rbp),%rsp # restore %rsp | |
2854 | ___ | |
2855 | $code.=<<___ if ($win64); | |
2856 | movaps 0x40(%rbp), %xmm6 | |
2857 | movaps 0x50(%rbp), %xmm7 | |
2858 | movaps 0x60(%rbp), %xmm8 | |
2859 | movaps 0x70(%rbp), %xmm9 | |
2860 | movaps 0x80(%rbp), %xmm10 | |
2861 | movaps 0x90(%rbp), %xmm11 | |
2862 | movaps 0xa0(%rbp), %xmm12 | |
2863 | movaps 0xb0(%rbp), %xmm13 | |
2864 | movaps 0xc0(%rbp), %xmm14 | |
2865 | movaps 0xd0(%rbp), %xmm15 | |
2866 | lea 0xa0(%rbp), %rsp | |
2867 | ___ | |
2868 | $code.=<<___; | |
2869 | mov 0x48(%rsp), %r15 | |
2870 | mov 0x50(%rsp), %r14 | |
2871 | mov 0x58(%rsp), %r13 | |
2872 | mov 0x60(%rsp), %r12 | |
2873 | mov 0x68(%rsp), %rbx | |
fe068648 | 2874 | mov 0x70(%rsp), %rax |
60d4e99c | 2875 | lea 0x78(%rsp), %rsp |
fe068648 | 2876 | mov %rax, %rbp |
60d4e99c AP |
2877 | .Lxts_dec_epilogue: |
2878 | ret | |
2879 | .size bsaes_xts_decrypt,.-bsaes_xts_decrypt | |
2880 | ___ | |
4ec93a10 AP |
2881 | } |
2882 | $code.=<<___; | |
a75a52a4 | 2883 | .type _bsaes_const,\@object |
4ec93a10 | 2884 | .align 64 |
a75a52a4 | 2885 | _bsaes_const: |
28507577 AP |
2886 | .LM0ISR: # InvShiftRows constants |
2887 | .quad 0x0a0e0206070b0f03, 0x0004080c0d010509 | |
2888 | .LISRM0: | |
2889 | .quad 0x01040b0e0205080f, 0x0306090c00070a0d | |
2890 | .LISR: | |
2891 | .quad 0x0504070602010003, 0x0f0e0d0c080b0a09 | |
5a326467 AP |
2892 | .LBS0: # bit-slice constants |
2893 | .quad 0x5555555555555555, 0x5555555555555555 | |
2894 | .LBS1: | |
2895 | .quad 0x3333333333333333, 0x3333333333333333 | |
2896 | .LBS2: | |
2897 | .quad 0x0f0f0f0f0f0f0f0f, 0x0f0f0f0f0f0f0f0f | |
2898 | .LSR: # shiftrows constants | |
2899 | .quad 0x0504070600030201, 0x0f0e0d0c0a09080b | |
2900 | .LSRM0: | |
2901 | .quad 0x0304090e00050a0f, 0x01060b0c0207080d | |
5a326467 AP |
2902 | .LM0SR: |
2903 | .quad 0x0a0e02060f03070b, 0x0004080c05090d01 | |
5a326467 | 2904 | .LSWPUP: # byte-swap upper dword |
4ec93a10 AP |
2905 | .quad 0x0706050403020100, 0x0c0d0e0f0b0a0908 |
2906 | .LSWPUPM0SR: | |
2907 | .quad 0x0a0d02060c03070b, 0x0004080f05090e01 | |
5a326467 AP |
2908 | .LADD1: # counter increment constants |
2909 | .quad 0x0000000000000000, 0x0000000100000000 | |
2910 | .LADD2: | |
2911 | .quad 0x0000000000000000, 0x0000000200000000 | |
2912 | .LADD3: | |
2913 | .quad 0x0000000000000000, 0x0000000300000000 | |
2914 | .LADD4: | |
2915 | .quad 0x0000000000000000, 0x0000000400000000 | |
2916 | .LADD5: | |
2917 | .quad 0x0000000000000000, 0x0000000500000000 | |
2918 | .LADD6: | |
2919 | .quad 0x0000000000000000, 0x0000000600000000 | |
2920 | .LADD7: | |
2921 | .quad 0x0000000000000000, 0x0000000700000000 | |
2922 | .LADD8: | |
2923 | .quad 0x0000000000000000, 0x0000000800000000 | |
60d4e99c AP |
2924 | .Lxts_magic: |
2925 | .long 0x87,0,1,0 | |
f9ef874a AP |
2926 | .Lmasks: |
2927 | .quad 0x0101010101010101, 0x0101010101010101 | |
2928 | .quad 0x0202020202020202, 0x0202020202020202 | |
2929 | .quad 0x0404040404040404, 0x0404040404040404 | |
2930 | .quad 0x0808080808080808, 0x0808080808080808 | |
2931 | .LM0: | |
2932 | .quad 0x02060a0e03070b0f, 0x0004080c0105090d | |
2933 | .L63: | |
2934 | .quad 0x6363636363636363, 0x6363636363636363 | |
a75a52a4 | 2935 | .asciz "Bit-sliced AES for x86_64/SSSE3, Emilia Käsper, Peter Schwabe, Andy Polyakov" |
4ec93a10 | 2936 | .align 64 |
a75a52a4 | 2937 | .size _bsaes_const,.-_bsaes_const |
4ec93a10 AP |
2938 | ___ |
2939 | ||
fe068648 AP |
2940 | # EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, |
2941 | # CONTEXT *context,DISPATCHER_CONTEXT *disp) | |
2942 | if ($win64) { | |
2943 | $rec="%rcx"; | |
2944 | $frame="%rdx"; | |
2945 | $context="%r8"; | |
2946 | $disp="%r9"; | |
2947 | ||
2948 | $code.=<<___; | |
2949 | .extern __imp_RtlVirtualUnwind | |
2950 | .type se_handler,\@abi-omnipotent | |
2951 | .align 16 | |
2952 | se_handler: | |
2953 | push %rsi | |
2954 | push %rdi | |
2955 | push %rbx | |
2956 | push %rbp | |
2957 | push %r12 | |
2958 | push %r13 | |
2959 | push %r14 | |
2960 | push %r15 | |
2961 | pushfq | |
2962 | sub \$64,%rsp | |
2963 | ||
2964 | mov 120($context),%rax # pull context->Rax | |
2965 | mov 248($context),%rbx # pull context->Rip | |
2966 | ||
2967 | mov 8($disp),%rsi # disp->ImageBase | |
2968 | mov 56($disp),%r11 # disp->HandlerData | |
2969 | ||
2970 | mov 0(%r11),%r10d # HandlerData[0] | |
2971 | lea (%rsi,%r10),%r10 # prologue label | |
2972 | cmp %r10,%rbx # context->Rip<prologue label | |
2973 | jb .Lin_prologue | |
2974 | ||
2975 | mov 152($context),%rax # pull context->Rsp | |
2976 | ||
2977 | mov 4(%r11),%r10d # HandlerData[1] | |
2978 | lea (%rsi,%r10),%r10 # epilogue label | |
2979 | cmp %r10,%rbx # context->Rip>=epilogue label | |
2980 | jae .Lin_prologue | |
2981 | ||
2982 | mov 160($context),%rax # pull context->Rbp | |
2983 | ||
2984 | lea 0x40(%rax),%rsi # %xmm save area | |
2985 | lea 512($context),%rdi # &context.Xmm6 | |
2986 | mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax) | |
2987 | .long 0xa548f3fc # cld; rep movsq | |
2988 | lea 0xa0(%rax),%rax # adjust stack pointer | |
2989 | ||
2990 | mov 0x70(%rax),%rbp | |
2991 | mov 0x68(%rax),%rbx | |
2992 | mov 0x60(%rax),%r12 | |
2993 | mov 0x58(%rax),%r13 | |
2994 | mov 0x50(%rax),%r14 | |
2995 | mov 0x48(%rax),%r15 | |
2996 | lea 0x78(%rax),%rax # adjust stack pointer | |
2997 | mov %rbx,144($context) # restore context->Rbx | |
2998 | mov %rbp,160($context) # restore context->Rbp | |
2999 | mov %r12,216($context) # restore context->R12 | |
3000 | mov %r13,224($context) # restore context->R13 | |
3001 | mov %r14,232($context) # restore context->R14 | |
3002 | mov %r15,240($context) # restore context->R15 | |
3003 | ||
3004 | .Lin_prologue: | |
3005 | mov %rax,152($context) # restore context->Rsp | |
3006 | ||
3007 | mov 40($disp),%rdi # disp->ContextRecord | |
3008 | mov $context,%rsi # context | |
3009 | mov \$`1232/8`,%ecx # sizeof(CONTEXT) | |
3010 | .long 0xa548f3fc # cld; rep movsq | |
3011 | ||
3012 | mov $disp,%rsi | |
3013 | xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER | |
3014 | mov 8(%rsi),%rdx # arg2, disp->ImageBase | |
3015 | mov 0(%rsi),%r8 # arg3, disp->ControlPc | |
3016 | mov 16(%rsi),%r9 # arg4, disp->FunctionEntry | |
3017 | mov 40(%rsi),%r10 # disp->ContextRecord | |
3018 | lea 56(%rsi),%r11 # &disp->HandlerData | |
3019 | lea 24(%rsi),%r12 # &disp->EstablisherFrame | |
3020 | mov %r10,32(%rsp) # arg5 | |
3021 | mov %r11,40(%rsp) # arg6 | |
3022 | mov %r12,48(%rsp) # arg7 | |
3023 | mov %rcx,56(%rsp) # arg8, (NULL) | |
3024 | call *__imp_RtlVirtualUnwind(%rip) | |
3025 | ||
3026 | mov \$1,%eax # ExceptionContinueSearch | |
3027 | add \$64,%rsp | |
3028 | popfq | |
3029 | pop %r15 | |
3030 | pop %r14 | |
3031 | pop %r13 | |
3032 | pop %r12 | |
3033 | pop %rbp | |
3034 | pop %rbx | |
3035 | pop %rdi | |
3036 | pop %rsi | |
3037 | ret | |
3038 | .size se_handler,.-se_handler | |
3039 | ||
3040 | .section .pdata | |
3041 | .align 4 | |
3042 | ___ | |
3043 | $code.=<<___ if ($ecb); | |
3044 | .rva .Lecb_enc_prologue | |
3045 | .rva .Lecb_enc_epilogue | |
3046 | .rva .Lecb_enc_info | |
3047 | ||
3048 | .rva .Lecb_dec_prologue | |
3049 | .rva .Lecb_dec_epilogue | |
3050 | .rva .Lecb_dec_info | |
3051 | ___ | |
3052 | $code.=<<___; | |
3053 | .rva .Lcbc_dec_prologue | |
3054 | .rva .Lcbc_dec_epilogue | |
3055 | .rva .Lcbc_dec_info | |
3056 | ||
3057 | .rva .Lctr_enc_prologue | |
3058 | .rva .Lctr_enc_epilogue | |
3059 | .rva .Lctr_enc_info | |
3060 | ||
3061 | .rva .Lxts_enc_prologue | |
3062 | .rva .Lxts_enc_epilogue | |
3063 | .rva .Lxts_enc_info | |
3064 | ||
3065 | .rva .Lxts_dec_prologue | |
3066 | .rva .Lxts_dec_epilogue | |
3067 | .rva .Lxts_dec_info | |
3068 | ||
3069 | .section .xdata | |
3070 | .align 8 | |
3071 | ___ | |
3072 | $code.=<<___ if ($ecb); | |
3073 | .Lecb_enc_info: | |
3074 | .byte 9,0,0,0 | |
3075 | .rva se_handler | |
3076 | .rva .Lecb_enc_body,.Lecb_enc_epilogue # HandlerData[] | |
3077 | .Lecb_dec_info: | |
3078 | .byte 9,0,0,0 | |
3079 | .rva se_handler | |
3080 | .rva .Lecb_dec_body,.Lecb_dec_epilogue # HandlerData[] | |
3081 | ___ | |
3082 | $code.=<<___; | |
3083 | .Lcbc_dec_info: | |
3084 | .byte 9,0,0,0 | |
3085 | .rva se_handler | |
3086 | .rva .Lcbc_dec_body,.Lcbc_dec_epilogue # HandlerData[] | |
3087 | .Lctr_enc_info: | |
3088 | .byte 9,0,0,0 | |
3089 | .rva se_handler | |
3090 | .rva .Lctr_enc_body,.Lctr_enc_epilogue # HandlerData[] | |
3091 | .Lxts_enc_info: | |
3092 | .byte 9,0,0,0 | |
3093 | .rva se_handler | |
3094 | .rva .Lxts_enc_body,.Lxts_enc_epilogue # HandlerData[] | |
3095 | .Lxts_dec_info: | |
3096 | .byte 9,0,0,0 | |
3097 | .rva se_handler | |
3098 | .rva .Lxts_dec_body,.Lxts_dec_epilogue # HandlerData[] | |
3099 | ___ | |
3100 | } | |
3101 | ||
4ec93a10 AP |
3102 | $code =~ s/\`([^\`]*)\`/eval($1)/gem; |
3103 | ||
3104 | print $code; | |
3105 | ||
3106 | close STDOUT; |