projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| 6aa36e8e RS |
1 | #! /usr/bin/env perl |
| 2 | # Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved. | |
| 3 | # | |
| 4 | # Licensed under the OpenSSL license (the "License"). You may not use | |
| 5 | # this file except in compliance with the License. You can obtain a copy | |
| 6 | # in the file LICENSE in the source distribution or at | |
| 7 | # https://www.openssl.org/source/license.html | |
| 8 | ||
| 71314710 AP |
9 | # |
| 10 | # ==================================================================== | |
| e3713c36 | 11 | # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL |
| 96b0f6c1 AP |
12 | # project. The module is, however, dual licensed under OpenSSL and |
| 13 | # CRYPTOGAMS licenses depending on where you obtain it. For further | |
| 14 | # details see http://www.openssl.org/~appro/cryptogams/. | |
| 71314710 AP |
15 | # ==================================================================== |
| 16 | # | |
| 6c69aa53 | 17 | # Version 4.3. |
| e7e11507 | 18 | # |
| 71314710 | 19 | # You might fail to appreciate this module performance from the first |
| e7e11507 AP |
20 | # try. If compared to "vanilla" linux-ia32-icc target, i.e. considered |
| 21 | # to be *the* best Intel C compiler without -KPIC, performance appears | |
| 22 | # to be virtually identical... But try to re-configure with shared | |
| 23 | # library support... Aha! Intel compiler "suddenly" lags behind by 30% | |
| 24 | # [on P4, more on others]:-) And if compared to position-independent | |
| 25 | # code generated by GNU C, this code performs *more* than *twice* as | |
| 26 | # fast! Yes, all this buzz about PIC means that unlike other hand- | |
| 27 | # coded implementations, this one was explicitly designed to be safe | |
| 28 | # to use even in shared library context... This also means that this | |
| 29 | # code isn't necessarily absolutely fastest "ever," because in order | |
| 30 | # to achieve position independence an extra register has to be | |
| 31 | # off-loaded to stack, which affects the benchmark result. | |
| 71314710 AP |
32 | # |
| 33 | # Special note about instruction choice. Do you recall RC4_INT code | |
| 34 | # performing poorly on P4? It might be the time to figure out why. | |
| 35 | # RC4_INT code implies effective address calculations in base+offset*4 | |
| 36 | # form. Trouble is that it seems that offset scaling turned to be | |
| 37 | # critical path... At least eliminating scaling resulted in 2.8x RC4 | |
| 38 | # performance improvement [as you might recall]. As AES code is hungry | |
| 39 | # for scaling too, I [try to] avoid the latter by favoring off-by-2 | |
| 40 | # shifts and masking the result with 0xFF<<2 instead of "boring" 0xFF. | |
| 3b3df98c | 41 | # |
| e3713c36 | 42 | # As was shown by Dean Gaudet, the above note turned out to be |
| 3b3df98c AP |
43 | # void. Performance improvement with off-by-2 shifts was observed on |
| 44 | # intermediate implementation, which was spilling yet another register | |
| 45 | # to stack... Final offset*4 code below runs just a tad faster on P4, | |
| 46 | # but exhibits up to 10% improvement on other cores. | |
| e7e11507 AP |
47 | # |
| 48 | # Second version is "monolithic" replacement for aes_core.c, which in | |
| 49 | # addition to AES_[de|en]crypt implements AES_set_[de|en]cryption_key. | |
| 50 | # This made it possible to implement little-endian variant of the | |
| 51 | # algorithm without modifying the base C code. Motivating factor for | |
| 52 | # the undertaken effort was that it appeared that in tight IA-32 | |
| 53 | # register window little-endian flavor could achieve slightly higher | |
| 54 | # Instruction Level Parallelism, and it indeed resulted in up to 15% | |
| 053fa39a | 55 | # better performance on most recent ยต-archs... |
| e7e11507 | 56 | # |
| addb6e16 | 57 | # Third version adds AES_cbc_encrypt implementation, which resulted in |
| 46f4e1be JS |
58 | # up to 40% performance improvement of CBC benchmark results. 40% was |
| 59 | # observed on P4 core, where "overall" improvement coefficient, i.e. if | |
| bac252a5 AP |
60 | # compared to PIC generated by GCC and in CBC mode, was observed to be |
| 61 | # as large as 4x:-) CBC performance is virtually identical to ECB now | |
| c8d5c71a AP |
62 | # and on some platforms even better, e.g. 17.6 "small" cycles/byte on |
| 63 | # Opteron, because certain function prologues and epilogues are | |
| addb6e16 | 64 | # effectively taken out of the loop... |
| c8d5c71a AP |
65 | # |
| 66 | # Version 3.2 implements compressed tables and prefetch of these tables | |
| 67 | # in CBC[!] mode. Former means that 3/4 of table references are now | |
| 68 | # misaligned, which unfortunately has negative impact on elder IA-32 | |
| 69 | # implementations, Pentium suffered 30% penalty, PIII - 10%. | |
| 70 | # | |
| 3d5fd312 AP |
71 | # Version 3.3 avoids L1 cache aliasing between stack frame and |
| 72 | # S-boxes, and 3.4 - L1 cache aliasing even between key schedule. The | |
| 73 | # latter is achieved by copying the key schedule to controlled place in | |
| 74 | # stack. This unfortunately has rather strong impact on small block CBC | |
| 75 | # performance, ~2x deterioration on 16-byte block if compared to 3.3. | |
| 76 | # | |
| 53a20bfd | 77 | # Version 3.5 checks if there is L1 cache aliasing between user-supplied |
| a2806233 | 78 | # key schedule and S-boxes and abstains from copying the former if |
| 53a20bfd | 79 | # there is no. This allows end-user to consciously retain small block |
| a2806233 AP |
80 | # performance by aligning key schedule in specific manner. |
| 81 | # | |
| 9598fa87 AP |
82 | # Version 3.6 compresses Td4 to 256 bytes and prefetches it in ECB. |
| 83 | # | |
| c8d5c71a AP |
84 | # Current ECB performance numbers for 128-bit key in CPU cycles per |
| 85 | # processed byte [measure commonly used by AES benchmarkers] are: | |
| 86 | # | |
| 87 | # small footprint fully unrolled | |
| 88 | # P4 24 22 | |
| 89 | # AMD K8 20 19 | |
| 90 | # PIII 25 23 | |
| 91 | # Pentium 81 78 | |
| af8c1d81 AP |
92 | # |
| 93 | # Version 3.7 reimplements outer rounds as "compact." Meaning that | |
| 94 | # first and last rounds reference compact 256 bytes S-box. This means | |
| 95 | # that first round consumes a lot more CPU cycles and that encrypt | |
| 96 | # and decrypt performance becomes asymmetric. Encrypt performance | |
| 97 | # drops by 10-12%, while decrypt - by 20-25%:-( 256 bytes S-box is | |
| 98 | # aggressively pre-fetched. | |
| 22c268e6 AP |
99 | # |
| 100 | # Version 4.0 effectively rolls back to 3.6 and instead implements | |
| fc924142 | 101 | # additional set of functions, _[x86|sse]_AES_[en|de]crypt_compact, |
| 22c268e6 AP |
102 | # which use exclusively 256 byte S-box. These functions are to be |
| 103 | # called in modes not concealing plain text, such as ECB, or when | |
| 104 | # we're asked to process smaller amount of data [or unconditionally | |
| 105 | # on hyper-threading CPU]. Currently it's called unconditionally from | |
| 106 | # AES_[en|de]crypt, which affects all modes, but CBC. CBC routine | |
| 107 | # still needs to be modified to switch between slower and faster | |
| 108 | # mode when appropriate... But in either case benchmark landscape | |
| 109 | # changes dramatically and below numbers are CPU cycles per processed | |
| 110 | # byte for 128-bit key. | |
| 111 | # | |
| 112 | # ECB encrypt ECB decrypt CBC large chunk | |
| 89f1eb82 AP |
113 | # P4 52[54] 83[95] 23 |
| 114 | # AMD K8 46[41] 66[70] 18 | |
| 115 | # PIII 41[50] 60[77] 24 | |
| 116 | # Core 2 31[36] 45[64] 18.5 | |
| 117 | # Atom 76[100] 96[138] 60 | |
| 118 | # Pentium 115 150 77 | |
| 53154d71 AP |
119 | # |
| 120 | # Version 4.1 switches to compact S-box even in key schedule setup. | |
| fc924142 AP |
121 | # |
| 122 | # Version 4.2 prefetches compact S-box in every SSE round or in other | |
| 123 | # words every cache-line is *guaranteed* to be accessed within ~50 | |
| 124 | # cycles window. Why just SSE? Because it's needed on hyper-threading | |
| 125 | # CPU! Which is also why it's prefetched with 64 byte stride. Best | |
| 609b0852 | 126 | # part is that it has no negative effect on performance:-) |
| 6c69aa53 AP |
127 | # |
| 128 | # Version 4.3 implements switch between compact and non-compact block | |
| 129 | # functions in AES_cbc_encrypt depending on how much data was asked | |
| 3a8012cb | 130 | # to be processed in one stroke. |
| 6c69aa53 | 131 | # |
| 3a8012cb | 132 | ###################################################################### |
| 6c69aa53 | 133 | # Timing attacks are classified in two classes: synchronous when |
| 2b8a5406 | 134 | # attacker consciously initiates cryptographic operation and collects |
| 6c69aa53 AP |
135 | # timing data of various character afterwards, and asynchronous when |
| 136 | # malicious code is executed on same CPU simultaneously with AES, | |
| 137 | # instruments itself and performs statistical analysis of this data. | |
| 138 | # | |
| 139 | # As far as synchronous attacks go the root to the AES timing | |
| 140 | # vulnerability is twofold. Firstly, of 256 S-box elements at most 160 | |
| 141 | # are referred to in single 128-bit block operation. Well, in C | |
| 142 | # implementation with 4 distinct tables it's actually as little as 40 | |
| 143 | # references per 256 elements table, but anyway... Secondly, even | |
| 144 | # though S-box elements are clustered into smaller amount of cache- | |
| 145 | # lines, smaller than 160 and even 40, it turned out that for certain | |
| 146 | # plain-text pattern[s] or simply put chosen plain-text and given key | |
| 147 | # few cache-lines remain unaccessed during block operation. Now, if | |
| 148 | # attacker can figure out this access pattern, he can deduct the key | |
| 149 | # [or at least part of it]. The natural way to mitigate this kind of | |
| 150 | # attacks is to minimize the amount of cache-lines in S-box and/or | |
| 151 | # prefetch them to ensure that every one is accessed for more uniform | |
| 152 | # timing. But note that *if* plain-text was concealed in such way that | |
| 153 | # input to block function is distributed *uniformly*, then attack | |
| 154 | # wouldn't apply. Now note that some encryption modes, most notably | |
| 3a8012cb | 155 | # CBC, do mask the plain-text in this exact way [secure cipher output |
| 6c69aa53 AP |
156 | # is distributed uniformly]. Yes, one still might find input that |
| 157 | # would reveal the information about given key, but if amount of | |
| 2b8a5406 | 158 | # candidate inputs to be tried is larger than amount of possible key |
| 6c69aa53 AP |
159 | # combinations then attack becomes infeasible. This is why revised |
| 160 | # AES_cbc_encrypt "dares" to switch to larger S-box when larger chunk | |
| 161 | # of data is to be processed in one stroke. The current size limit of | |
| 46f4e1be | 162 | # 512 bytes is chosen to provide same [diminishingly low] probability |
| 6c69aa53 AP |
163 | # for cache-line to remain untouched in large chunk operation with |
| 164 | # large S-box as for single block operation with compact S-box and | |
| 165 | # surely needs more careful consideration... | |
| 166 | # | |
| 167 | # As for asynchronous attacks. There are two flavours: attacker code | |
| 168 | # being interleaved with AES on hyper-threading CPU at *instruction* | |
| 169 | # level, and two processes time sharing single core. As for latter. | |
| 170 | # Two vectors. 1. Given that attacker process has higher priority, | |
| 171 | # yield execution to process performing AES just before timer fires | |
| 172 | # off the scheduler, immediately regain control of CPU and analyze the | |
| 173 | # cache state. For this attack to be efficient attacker would have to | |
| 46f4e1be | 174 | # effectively slow down the operation by several *orders* of magnitude, |
| 6c69aa53 AP |
175 | # by ratio of time slice to duration of handful of AES rounds, which |
| 176 | # unlikely to remain unnoticed. Not to mention that this also means | |
| 46f4e1be | 177 | # that he would spend correspondingly more time to collect enough |
| 6c69aa53 | 178 | # statistical data to mount the attack. It's probably appropriate to |
| 46f4e1be | 179 | # say that if adversary reckons that this attack is beneficial and |
| 6c69aa53 AP |
180 | # risks to be noticed, you probably have larger problems having him |
| 181 | # mere opportunity. In other words suggested code design expects you | |
| 182 | # to preclude/mitigate this attack by overall system security design. | |
| 183 | # 2. Attacker manages to make his code interrupt driven. In order for | |
| 184 | # this kind of attack to be feasible, interrupt rate has to be high | |
| 185 | # enough, again comparable to duration of handful of AES rounds. But | |
| 186 | # is there interrupt source of such rate? Hardly, not even 1Gbps NIC | |
| 187 | # generates interrupts at such raging rate... | |
| 188 | # | |
| 189 | # And now back to the former, hyper-threading CPU or more specifically | |
| 190 | # Intel P4. Recall that asynchronous attack implies that malicious | |
| 191 | # code instruments itself. And naturally instrumentation granularity | |
| 192 | # has be noticeably lower than duration of codepath accessing S-box. | |
| 193 | # Given that all cache-lines are accessed during that time that is. | |
| 194 | # Current implementation accesses *all* cache-lines within ~50 cycles | |
| 195 | # window, which is actually *less* than RDTSC latency on Intel P4! | |
| 71314710 | 196 | |
| 96b0f6c1 AP |
197 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; |
| 198 | push(@INC,"${dir}","${dir}../../perlasm"); | |
| 71314710 AP |
199 | require "x86asm.pl"; |
| 200 | ||
| 184bc45f RL |
201 | $output = pop; |
| 202 | open OUT,">$output"; | |
| 203 | *STDOUT=*OUT; | |
| 204 | ||
| e195c8a2 | 205 | &asm_init($ARGV[0],$x86only = $ARGV[$#ARGV] eq "386"); |
| 79eeb470 AP |
206 | &static_label("AES_Te"); |
| 207 | &static_label("AES_Td"); | |
| 71314710 | 208 | |
| addb6e16 AP |
209 | $s0="eax"; |
| 210 | $s1="ebx"; | |
| 211 | $s2="ecx"; | |
| 212 | $s3="edx"; | |
| 213 | $key="edi"; | |
| 214 | $acc="esi"; | |
| 22c268e6 AP |
215 | $tbl="ebp"; |
| 216 | ||
| 6c69aa53 AP |
217 | # stack frame layout in _[x86|sse]_AES_* routines, frame is allocated |
| 218 | # by caller | |
| 219 | $__ra=&DWP(0,"esp"); # return address | |
| 220 | $__s0=&DWP(4,"esp"); # s0 backing store | |
| 221 | $__s1=&DWP(8,"esp"); # s1 backing store | |
| 222 | $__s2=&DWP(12,"esp"); # s2 backing store | |
| 223 | $__s3=&DWP(16,"esp"); # s3 backing store | |
| 224 | $__key=&DWP(20,"esp"); # pointer to key schedule | |
| 225 | $__end=&DWP(24,"esp"); # pointer to end of key schedule | |
| 226 | $__tbl=&DWP(28,"esp"); # %ebp backing store | |
| 227 | ||
| 228 | # stack frame layout in AES_[en|crypt] routines, which differs from | |
| 229 | # above by 4 and overlaps by %ebp backing store | |
| 230 | $_tbl=&DWP(24,"esp"); | |
| 231 | $_esp=&DWP(28,"esp"); | |
| 232 | ||
| 22c268e6 | 233 | sub _data_word() { my $i; while(defined($i=shift)) { &data_word($i,$i); } } |
| addb6e16 | 234 | |
| 6c69aa53 AP |
235 | $speed_limit=512; # chunks smaller than $speed_limit are |
| 236 | # processed with compact routine in CBC mode | |
| e7e11507 | 237 | $small_footprint=1; # $small_footprint=1 code is ~5% slower [on |
| 053fa39a | 238 | # recent ยต-archs], but ~5 times smaller! |
| bac252a5 AP |
239 | # I favor compact code to minimize cache |
| 240 | # contention and in hope to "collect" 5% back | |
| 241 | # in real-life applications... | |
| 22c268e6 | 242 | |
| 46f4e1be | 243 | $vertical_spin=0; # shift "vertically" defaults to 0, because of |
| addb6e16 | 244 | # its proof-of-concept status... |
| e7e11507 AP |
245 | # Note that there is no decvert(), as well as last encryption round is |
| 246 | # performed with "horizontal" shifts. This is because this "vertical" | |
| 247 | # implementation [one which groups shifts on a given $s[i] to form a | |
| 248 | # "column," unlike "horizontal" one, which groups shifts on different | |
| 249 | # $s[i] to form a "row"] is work in progress. It was observed to run | |
| 250 | # few percents faster on Intel cores, but not AMD. On AMD K8 core it's | |
| 251 | # whole 12% slower:-( So we face a trade-off... Shall it be resolved | |
| 252 | # some day? Till then the code is considered experimental and by | |
| 253 | # default remains dormant... | |
| 254 | ||
| 255 | sub encvert() | |
| 256 | { my ($te,@s) = @_; | |
| f9c5e5d9 | 257 | my ($v0,$v1) = ($acc,$key); |
| e7e11507 AP |
258 | |
| 259 | &mov ($v0,$s[3]); # copy s3 | |
| 04d0d0ac | 260 | &mov (&DWP(4,"esp"),$s[2]); # save s2 |
| e7e11507 | 261 | &mov ($v1,$s[0]); # copy s0 |
| 04d0d0ac | 262 | &mov (&DWP(8,"esp"),$s[1]); # save s1 |
| e7e11507 AP |
263 | |
| 264 | &movz ($s[2],&HB($s[0])); | |
| 265 | &and ($s[0],0xFF); | |
| c8d5c71a | 266 | &mov ($s[0],&DWP(0,$te,$s[0],8)); # s0>>0 |
| e7e11507 | 267 | &shr ($v1,16); |
| c8d5c71a | 268 | &mov ($s[3],&DWP(3,$te,$s[2],8)); # s0>>8 |
| e7e11507 AP |
269 | &movz ($s[1],&HB($v1)); |
| 270 | &and ($v1,0xFF); | |
| c8d5c71a | 271 | &mov ($s[2],&DWP(2,$te,$v1,8)); # s0>>16 |
| e7e11507 | 272 | &mov ($v1,$v0); |
| c8d5c71a | 273 | &mov ($s[1],&DWP(1,$te,$s[1],8)); # s0>>24 |
| e7e11507 AP |
274 | |
| 275 | &and ($v0,0xFF); | |
| c8d5c71a | 276 | &xor ($s[3],&DWP(0,$te,$v0,8)); # s3>>0 |
| e7e11507 AP |
277 | &movz ($v0,&HB($v1)); |
| 278 | &shr ($v1,16); | |
| c8d5c71a | 279 | &xor ($s[2],&DWP(3,$te,$v0,8)); # s3>>8 |
| e7e11507 AP |
280 | &movz ($v0,&HB($v1)); |
| 281 | &and ($v1,0xFF); | |
| c8d5c71a | 282 | &xor ($s[1],&DWP(2,$te,$v1,8)); # s3>>16 |
| 04d0d0ac | 283 | &mov ($v1,&DWP(4,"esp")); # restore s2 |
| c8d5c71a | 284 | &xor ($s[0],&DWP(1,$te,$v0,8)); # s3>>24 |
| e7e11507 AP |
285 | |
| 286 | &mov ($v0,$v1); | |
| 287 | &and ($v1,0xFF); | |
| c8d5c71a | 288 | &xor ($s[2],&DWP(0,$te,$v1,8)); # s2>>0 |
| e7e11507 AP |
289 | &movz ($v1,&HB($v0)); |
| 290 | &shr ($v0,16); | |
| c8d5c71a | 291 | &xor ($s[1],&DWP(3,$te,$v1,8)); # s2>>8 |
| e7e11507 AP |
292 | &movz ($v1,&HB($v0)); |
| 293 | &and ($v0,0xFF); | |
| c8d5c71a | 294 | &xor ($s[0],&DWP(2,$te,$v0,8)); # s2>>16 |
| 04d0d0ac | 295 | &mov ($v0,&DWP(8,"esp")); # restore s1 |
| c8d5c71a | 296 | &xor ($s[3],&DWP(1,$te,$v1,8)); # s2>>24 |
| e7e11507 AP |
297 | |
| 298 | &mov ($v1,$v0); | |
| 299 | &and ($v0,0xFF); | |
| c8d5c71a | 300 | &xor ($s[1],&DWP(0,$te,$v0,8)); # s1>>0 |
| e7e11507 AP |
301 | &movz ($v0,&HB($v1)); |
| 302 | &shr ($v1,16); | |
| c8d5c71a | 303 | &xor ($s[0],&DWP(3,$te,$v0,8)); # s1>>8 |
| e7e11507 AP |
304 | &movz ($v0,&HB($v1)); |
| 305 | &and ($v1,0xFF); | |
| c8d5c71a | 306 | &xor ($s[3],&DWP(2,$te,$v1,8)); # s1>>16 |
| 6c69aa53 | 307 | &mov ($key,$__key); # reincarnate v1 as key |
| c8d5c71a | 308 | &xor ($s[2],&DWP(1,$te,$v0,8)); # s1>>24 |
| e7e11507 | 309 | } |
| 71314710 | 310 | |
| 22c268e6 AP |
311 | # Another experimental routine, which features "horizontal spin," but |
| 312 | # eliminates one reference to stack. Strangely enough runs slower... | |
| 313 | sub enchoriz() | |
| f9c5e5d9 | 314 | { my ($v0,$v1) = ($key,$acc); |
| 22c268e6 AP |
315 | |
| 316 | &movz ($v0,&LB($s0)); # 3, 2, 1, 0* | |
| 317 | &rotr ($s2,8); # 8,11,10, 9 | |
| 318 | &mov ($v1,&DWP(0,$te,$v0,8)); # 0 | |
| 319 | &movz ($v0,&HB($s1)); # 7, 6, 5*, 4 | |
| 320 | &rotr ($s3,16); # 13,12,15,14 | |
| 321 | &xor ($v1,&DWP(3,$te,$v0,8)); # 5 | |
| 322 | &movz ($v0,&HB($s2)); # 8,11,10*, 9 | |
| 323 | &rotr ($s0,16); # 1, 0, 3, 2 | |
| 324 | &xor ($v1,&DWP(2,$te,$v0,8)); # 10 | |
| 325 | &movz ($v0,&HB($s3)); # 13,12,15*,14 | |
| 326 | &xor ($v1,&DWP(1,$te,$v0,8)); # 15, t[0] collected | |
| 6c69aa53 | 327 | &mov ($__s0,$v1); # t[0] saved |
| 22c268e6 AP |
328 | |
| 329 | &movz ($v0,&LB($s1)); # 7, 6, 5, 4* | |
| 330 | &shr ($s1,16); # -, -, 7, 6 | |
| 331 | &mov ($v1,&DWP(0,$te,$v0,8)); # 4 | |
| 332 | &movz ($v0,&LB($s3)); # 13,12,15,14* | |
| 333 | &xor ($v1,&DWP(2,$te,$v0,8)); # 14 | |
| 334 | &movz ($v0,&HB($s0)); # 1, 0, 3*, 2 | |
| 335 | &and ($s3,0xffff0000); # 13,12, -, - | |
| 336 | &xor ($v1,&DWP(1,$te,$v0,8)); # 3 | |
| 337 | &movz ($v0,&LB($s2)); # 8,11,10, 9* | |
| 338 | &or ($s3,$s1); # 13,12, 7, 6 | |
| 339 | &xor ($v1,&DWP(3,$te,$v0,8)); # 9, t[1] collected | |
| 340 | &mov ($s1,$v1); # s[1]=t[1] | |
| 341 | ||
| 342 | &movz ($v0,&LB($s0)); # 1, 0, 3, 2* | |
| 343 | &shr ($s2,16); # -, -, 8,11 | |
| 344 | &mov ($v1,&DWP(2,$te,$v0,8)); # 2 | |
| 345 | &movz ($v0,&HB($s3)); # 13,12, 7*, 6 | |
| 346 | &xor ($v1,&DWP(1,$te,$v0,8)); # 7 | |
| 347 | &movz ($v0,&HB($s2)); # -, -, 8*,11 | |
| 348 | &xor ($v1,&DWP(0,$te,$v0,8)); # 8 | |
| 349 | &mov ($v0,$s3); | |
| 350 | &shr ($v0,24); # 13 | |
| 351 | &xor ($v1,&DWP(3,$te,$v0,8)); # 13, t[2] collected | |
| 352 | ||
| 353 | &movz ($v0,&LB($s2)); # -, -, 8,11* | |
| 354 | &shr ($s0,24); # 1* | |
| 355 | &mov ($s2,&DWP(1,$te,$v0,8)); # 11 | |
| 356 | &xor ($s2,&DWP(3,$te,$s0,8)); # 1 | |
| 6c69aa53 | 357 | &mov ($s0,$__s0); # s[0]=t[0] |
| 22c268e6 AP |
358 | &movz ($v0,&LB($s3)); # 13,12, 7, 6* |
| 359 | &shr ($s3,16); # , ,13,12 | |
| 360 | &xor ($s2,&DWP(2,$te,$v0,8)); # 6 | |
| 6c69aa53 | 361 | &mov ($key,$__key); # reincarnate v0 as key |
| 22c268e6 AP |
362 | &and ($s3,0xff); # , ,13,12* |
| 363 | &mov ($s3,&DWP(0,$te,$s3,8)); # 12 | |
| 364 | &xor ($s3,$s2); # s[2]=t[3] collected | |
| 365 | &mov ($s2,$v1); # s[2]=t[2] | |
| 366 | } | |
| 71314710 | 367 | |
| fc924142 | 368 | # More experimental code... SSE one... Even though this one eliminates |
| 22c268e6 | 369 | # *all* references to stack, it's not faster... |
| fc924142 | 370 | sub sse_encbody() |
| 22c268e6 | 371 | { |
| 53154d71 AP |
372 | &movz ($acc,&LB("eax")); # 0 |
| 373 | &mov ("ecx",&DWP(0,$tbl,$acc,8)); # 0 | |
| 22c268e6 AP |
374 | &pshufw ("mm2","mm0",0x0d); # 7, 6, 3, 2 |
| 375 | &movz ("edx",&HB("eax")); # 1 | |
| 376 | &mov ("edx",&DWP(3,$tbl,"edx",8)); # 1 | |
| 377 | &shr ("eax",16); # 5, 4 | |
| 378 | ||
| 53154d71 AP |
379 | &movz ($acc,&LB("ebx")); # 10 |
| 380 | &xor ("ecx",&DWP(2,$tbl,$acc,8)); # 10 | |
| 22c268e6 | 381 | &pshufw ("mm6","mm4",0x08); # 13,12, 9, 8 |
| 53154d71 AP |
382 | &movz ($acc,&HB("ebx")); # 11 |
| 383 | &xor ("edx",&DWP(1,$tbl,$acc,8)); # 11 | |
| 22c268e6 AP |
384 | &shr ("ebx",16); # 15,14 |
| 385 | ||
| 53154d71 AP |
386 | &movz ($acc,&HB("eax")); # 5 |
| 387 | &xor ("ecx",&DWP(3,$tbl,$acc,8)); # 5 | |
| 22c268e6 | 388 | &movq ("mm3",QWP(16,$key)); |
| 53154d71 AP |
389 | &movz ($acc,&HB("ebx")); # 15 |
| 390 | &xor ("ecx",&DWP(1,$tbl,$acc,8)); # 15 | |
| 22c268e6 AP |
391 | &movd ("mm0","ecx"); # t[0] collected |
| 392 | ||
| 53154d71 AP |
393 | &movz ($acc,&LB("eax")); # 4 |
| 394 | &mov ("ecx",&DWP(0,$tbl,$acc,8)); # 4 | |
| 22c268e6 | 395 | &movd ("eax","mm2"); # 7, 6, 3, 2 |
| 53154d71 AP |
396 | &movz ($acc,&LB("ebx")); # 14 |
| 397 | &xor ("ecx",&DWP(2,$tbl,$acc,8)); # 14 | |
| 22c268e6 AP |
398 | &movd ("ebx","mm6"); # 13,12, 9, 8 |
| 399 | ||
| 53154d71 AP |
400 | &movz ($acc,&HB("eax")); # 3 |
| 401 | &xor ("ecx",&DWP(1,$tbl,$acc,8)); # 3 | |
| 402 | &movz ($acc,&HB("ebx")); # 9 | |
| 403 | &xor ("ecx",&DWP(3,$tbl,$acc,8)); # 9 | |
| 22c268e6 AP |
404 | &movd ("mm1","ecx"); # t[1] collected |
| 405 | ||
| 53154d71 AP |
406 | &movz ($acc,&LB("eax")); # 2 |
| 407 | &mov ("ecx",&DWP(2,$tbl,$acc,8)); # 2 | |
| 22c268e6 AP |
408 | &shr ("eax",16); # 7, 6 |
| 409 | &punpckldq ("mm0","mm1"); # t[0,1] collected | |
| 53154d71 AP |
410 | &movz ($acc,&LB("ebx")); # 8 |
| 411 | &xor ("ecx",&DWP(0,$tbl,$acc,8)); # 8 | |
| 22c268e6 AP |
412 | &shr ("ebx",16); # 13,12 |
| 413 | ||
| 53154d71 AP |
414 | &movz ($acc,&HB("eax")); # 7 |
| 415 | &xor ("ecx",&DWP(1,$tbl,$acc,8)); # 7 | |
| 22c268e6 AP |
416 | &pxor ("mm0","mm3"); |
| 417 | &movz ("eax",&LB("eax")); # 6 | |
| 418 | &xor ("edx",&DWP(2,$tbl,"eax",8)); # 6 | |
| 419 | &pshufw ("mm1","mm0",0x08); # 5, 4, 1, 0 | |
| 53154d71 AP |
420 | &movz ($acc,&HB("ebx")); # 13 |
| 421 | &xor ("ecx",&DWP(3,$tbl,$acc,8)); # 13 | |
| 22c268e6 AP |
422 | &xor ("ecx",&DWP(24,$key)); # t[2] |
| 423 | &movd ("mm4","ecx"); # t[2] collected | |
| 424 | &movz ("ebx",&LB("ebx")); # 12 | |
| 425 | &xor ("edx",&DWP(0,$tbl,"ebx",8)); # 12 | |
| 426 | &shr ("ecx",16); | |
| 427 | &movd ("eax","mm1"); # 5, 4, 1, 0 | |
| 428 | &mov ("ebx",&DWP(28,$key)); # t[3] | |
| 429 | &xor ("ebx","edx"); | |
| 430 | &movd ("mm5","ebx"); # t[3] collected | |
| 431 | &and ("ebx",0xffff0000); | |
| 432 | &or ("ebx","ecx"); | |
| 433 | ||
| 434 | &punpckldq ("mm4","mm5"); # t[2,3] collected | |
| 71314710 AP |
435 | } |
| 436 | ||
| 22c268e6 AP |
437 | ###################################################################### |
| 438 | # "Compact" block function | |
| 439 | ###################################################################### | |
| 440 | ||
| 441 | sub enccompact() | |
| f9c5e5d9 | 442 | { my $Fn = \&mov; |
| af8c1d81 AP |
443 | while ($#_>5) { pop(@_); $Fn=sub{}; } |
| 444 | my ($i,$te,@s)=@_; | |
| 445 | my $tmp = $key; | |
| 446 | my $out = $i==3?$s[0]:$acc; | |
| 447 | ||
| af8c1d81 AP |
448 | # $Fn is used in first compact round and its purpose is to |
| 449 | # void restoration of some values from stack, so that after | |
| 22c268e6 | 450 | # 4xenccompact with extra argument $key value is left there... |
| 6c69aa53 | 451 | if ($i==3) { &$Fn ($key,$__key); }##%edx |
| af8c1d81 AP |
452 | else { &mov ($out,$s[0]); } |
| 453 | &and ($out,0xFF); | |
| 454 | if ($i==1) { &shr ($s[0],16); }#%ebx[1] | |
| 455 | if ($i==2) { &shr ($s[0],24); }#%ecx[2] | |
| 53154d71 | 456 | &movz ($out,&BP(-128,$te,$out,1)); |
| af8c1d81 AP |
457 | |
| 458 | if ($i==3) { $tmp=$s[1]; }##%eax | |
| 459 | &movz ($tmp,&HB($s[1])); | |
| 53154d71 | 460 | &movz ($tmp,&BP(-128,$te,$tmp,1)); |
| af8c1d81 AP |
461 | &shl ($tmp,8); |
| 462 | &xor ($out,$tmp); | |
| 463 | ||
| 6c69aa53 | 464 | if ($i==3) { $tmp=$s[2]; &mov ($s[1],$__s0); }##%ebx |
| af8c1d81 AP |
465 | else { &mov ($tmp,$s[2]); |
| 466 | &shr ($tmp,16); } | |
| 467 | if ($i==2) { &and ($s[1],0xFF); }#%edx[2] | |
| 468 | &and ($tmp,0xFF); | |
| 53154d71 | 469 | &movz ($tmp,&BP(-128,$te,$tmp,1)); |
| af8c1d81 AP |
470 | &shl ($tmp,16); |
| 471 | &xor ($out,$tmp); | |
| 472 | ||
| 6c69aa53 | 473 | if ($i==3) { $tmp=$s[3]; &mov ($s[2],$__s1); }##%ecx |
| af8c1d81 AP |
474 | elsif($i==2){ &movz ($tmp,&HB($s[3])); }#%ebx[2] |
| 475 | else { &mov ($tmp,$s[3]); | |
| 476 | &shr ($tmp,24); } | |
| 53154d71 | 477 | &movz ($tmp,&BP(-128,$te,$tmp,1)); |
| af8c1d81 AP |
478 | &shl ($tmp,24); |
| 479 | &xor ($out,$tmp); | |
| 480 | if ($i<2) { &mov (&DWP(4+4*$i,"esp"),$out); } | |
| 22c268e6 | 481 | if ($i==3) { &mov ($s[3],$acc); } |
| af8c1d81 AP |
482 | &comment(); |
| 483 | } | |
| 484 | ||
| 485 | sub enctransform() | |
| 486 | { my @s = ($s0,$s1,$s2,$s3); | |
| 487 | my $i = shift; | |
| 22c268e6 AP |
488 | my $tmp = $tbl; |
| 489 | my $r2 = $key ; | |
| af8c1d81 | 490 | |
| 89f1eb82 | 491 | &and ($tmp,$s[$i]); |
| 96b0f6c1 | 492 | &lea ($r2,&DWP(0,$s[$i],$s[$i])); |
| 89f1eb82 AP |
493 | &mov ($acc,$tmp); |
| 494 | &shr ($tmp,7); | |
| 96b0f6c1 | 495 | &and ($r2,0xfefefefe); |
| 89f1eb82 | 496 | &sub ($acc,$tmp); |
| af8c1d81 | 497 | &mov ($tmp,$s[$i]); |
| 89f1eb82 AP |
498 | &and ($acc,0x1b1b1b1b); |
| 499 | &rotr ($tmp,16); | |
| 22c268e6 | 500 | &xor ($acc,$r2); # r2 |
| 89f1eb82 | 501 | &mov ($r2,$s[$i]); |
| af8c1d81 | 502 | |
| 22c268e6 | 503 | &xor ($s[$i],$acc); # r0 ^ r2 |
| 89f1eb82 AP |
504 | &rotr ($r2,16+8); |
| 505 | &xor ($acc,$tmp); | |
| af8c1d81 | 506 | &rotl ($s[$i],24); |
| 89f1eb82 AP |
507 | &xor ($acc,$r2); |
| 508 | &mov ($tmp,0x80808080) if ($i!=1); | |
| f9c5e5d9 | 509 | &xor ($s[$i],$acc); # ROTATE(r2^r0,24) ^ r2 |
| af8c1d81 AP |
510 | } |
| 511 | ||
| 22c268e6 AP |
512 | &function_begin_B("_x86_AES_encrypt_compact"); |
| 513 | # note that caller is expected to allocate stack frame for me! | |
| 6c69aa53 | 514 | &mov ($__key,$key); # save key |
| 22c268e6 AP |
515 | |
| 516 | &xor ($s0,&DWP(0,$key)); # xor with key | |
| 517 | &xor ($s1,&DWP(4,$key)); | |
| 518 | &xor ($s2,&DWP(8,$key)); | |
| 519 | &xor ($s3,&DWP(12,$key)); | |
| 520 | ||
| 521 | &mov ($acc,&DWP(240,$key)); # load key->rounds | |
| 522 | &lea ($acc,&DWP(-2,$acc,$acc)); | |
| 523 | &lea ($acc,&DWP(0,$key,$acc,8)); | |
| 6c69aa53 | 524 | &mov ($__end,$acc); # end of key schedule |
| 22c268e6 AP |
525 | |
| 526 | # prefetch Te4 | |
| 527 | &mov ($key,&DWP(0-128,$tbl)); | |
| 528 | &mov ($acc,&DWP(32-128,$tbl)); | |
| 529 | &mov ($key,&DWP(64-128,$tbl)); | |
| 530 | &mov ($acc,&DWP(96-128,$tbl)); | |
| 531 | &mov ($key,&DWP(128-128,$tbl)); | |
| 532 | &mov ($acc,&DWP(160-128,$tbl)); | |
| 533 | &mov ($key,&DWP(192-128,$tbl)); | |
| 534 | &mov ($acc,&DWP(224-128,$tbl)); | |
| 535 | ||
| 536 | &set_label("loop",16); | |
| 537 | ||
| 538 | &enccompact(0,$tbl,$s0,$s1,$s2,$s3,1); | |
| 539 | &enccompact(1,$tbl,$s1,$s2,$s3,$s0,1); | |
| 540 | &enccompact(2,$tbl,$s2,$s3,$s0,$s1,1); | |
| 541 | &enccompact(3,$tbl,$s3,$s0,$s1,$s2,1); | |
| 89f1eb82 | 542 | &mov ($tbl,0x80808080); |
| 22c268e6 AP |
543 | &enctransform(2); |
| 544 | &enctransform(3); | |
| 545 | &enctransform(0); | |
| 546 | &enctransform(1); | |
| 6c69aa53 AP |
547 | &mov ($key,$__key); |
| 548 | &mov ($tbl,$__tbl); | |
| 22c268e6 AP |
549 | &add ($key,16); # advance rd_key |
| 550 | &xor ($s0,&DWP(0,$key)); | |
| 551 | &xor ($s1,&DWP(4,$key)); | |
| 552 | &xor ($s2,&DWP(8,$key)); | |
| 553 | &xor ($s3,&DWP(12,$key)); | |
| 554 | ||
| 6c69aa53 AP |
555 | &cmp ($key,$__end); |
| 556 | &mov ($__key,$key); | |
| 22c268e6 AP |
557 | &jb (&label("loop")); |
| 558 | ||
| 559 | &enccompact(0,$tbl,$s0,$s1,$s2,$s3); | |
| 560 | &enccompact(1,$tbl,$s1,$s2,$s3,$s0); | |
| 561 | &enccompact(2,$tbl,$s2,$s3,$s0,$s1); | |
| 562 | &enccompact(3,$tbl,$s3,$s0,$s1,$s2); | |
| 563 | ||
| 564 | &xor ($s0,&DWP(16,$key)); | |
| 565 | &xor ($s1,&DWP(20,$key)); | |
| 566 | &xor ($s2,&DWP(24,$key)); | |
| 567 | &xor ($s3,&DWP(28,$key)); | |
| 568 | ||
| 569 | &ret (); | |
| 570 | &function_end_B("_x86_AES_encrypt_compact"); | |
| 571 | ||
| 572 | ###################################################################### | |
| fc924142 | 573 | # "Compact" SSE block function. |
| 22c268e6 AP |
574 | ###################################################################### |
| 575 | # | |
| 576 | # Performance is not actually extraordinary in comparison to pure | |
| 577 | # x86 code. In particular encrypt performance is virtually the same. | |
| 53154d71 | 578 | # Decrypt performance on the other hand is 15-20% better on newer |
| 053fa39a | 579 | # ยต-archs [but we're thankful for *any* improvement here], and ~50% |
| 53154d71 | 580 | # better on PIII:-) And additionally on the pros side this code |
| 22c268e6 AP |
581 | # eliminates redundant references to stack and thus relieves/ |
| 582 | # minimizes the pressure on the memory bus. | |
| 583 | # | |
| 584 | # MMX register layout lsb | |
| 585 | # +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | |
| 586 | # | mm4 | mm0 | | |
| 587 | # +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | |
| 609b0852 | 588 | # | s3 | s2 | s1 | s0 | |
| 22c268e6 AP |
589 | # +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ |
| 590 | # |15|14|13|12|11|10| 9| 8| 7| 6| 5| 4| 3| 2| 1| 0| | |
| 591 | # +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ | |
| 592 | # | |
| 593 | # Indexes translate as s[N/4]>>(8*(N%4)), e.g. 5 means s1>>8. | |
| 594 | # In this terms encryption and decryption "compact" permutation | |
| 595 | # matrices can be depicted as following: | |
| 596 | # | |
| 597 | # encryption lsb # decryption lsb | |
| 598 | # +----++----+----+----+----+ # +----++----+----+----+----+ | |
| 599 | # | t0 || 15 | 10 | 5 | 0 | # | t0 || 7 | 10 | 13 | 0 | | |
| 600 | # +----++----+----+----+----+ # +----++----+----+----+----+ | |
| 601 | # | t1 || 3 | 14 | 9 | 4 | # | t1 || 11 | 14 | 1 | 4 | | |
| 602 | # +----++----+----+----+----+ # +----++----+----+----+----+ | |
| 603 | # | t2 || 7 | 2 | 13 | 8 | # | t2 || 15 | 2 | 5 | 8 | | |
| 604 | # +----++----+----+----+----+ # +----++----+----+----+----+ | |
| 605 | # | t3 || 11 | 6 | 1 | 12 | # | t3 || 3 | 6 | 9 | 12 | | |
| 606 | # +----++----+----+----+----+ # +----++----+----+----+----+ | |
| 607 | # | |
| 608 | ###################################################################### | |
| 609 | # Why not xmm registers? Short answer. It was actually tested and | |
| 610 | # was not any faster, but *contrary*, most notably on Intel CPUs. | |
| 611 | # Longer answer. Main advantage of using mm registers is that movd | |
| 612 | # latency is lower, especially on Intel P4. While arithmetic | |
| 613 | # instructions are twice as many, they can be scheduled every cycle | |
| 614 | # and not every second one when they are operating on xmm register, | |
| 615 | # so that "arithmetic throughput" remains virtually the same. And | |
| fc924142 | 616 | # finally the code can be executed even on elder SSE-only CPUs:-) |
| 22c268e6 | 617 | |
| fc924142 | 618 | sub sse_enccompact() |
| 22c268e6 AP |
619 | { |
| 620 | &pshufw ("mm1","mm0",0x08); # 5, 4, 1, 0 | |
| 621 | &pshufw ("mm5","mm4",0x0d); # 15,14,11,10 | |
| 622 | &movd ("eax","mm1"); # 5, 4, 1, 0 | |
| 623 | &movd ("ebx","mm5"); # 15,14,11,10 | |
| 89f1eb82 | 624 | &mov ($__key,$key); |
| 22c268e6 | 625 | |
| 53154d71 | 626 | &movz ($acc,&LB("eax")); # 0 |
| 22c268e6 | 627 | &movz ("edx",&HB("eax")); # 1 |
| 89f1eb82 AP |
628 | &pshufw ("mm2","mm0",0x0d); # 7, 6, 3, 2 |
| 629 | &movz ("ecx",&BP(-128,$tbl,$acc,1)); # 0 | |
| 630 | &movz ($key,&LB("ebx")); # 10 | |
| 53154d71 | 631 | &movz ("edx",&BP(-128,$tbl,"edx",1)); # 1 |
| 22c268e6 | 632 | &shr ("eax",16); # 5, 4 |
| 89f1eb82 | 633 | &shl ("edx",8); # 1 |
| 22c268e6 | 634 | |
| 89f1eb82 AP |
635 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 10 |
| 636 | &movz ($key,&HB("ebx")); # 11 | |
| 53154d71 | 637 | &shl ($acc,16); # 10 |
| 22c268e6 | 638 | &pshufw ("mm6","mm4",0x08); # 13,12, 9, 8 |
| 89f1eb82 AP |
639 | &or ("ecx",$acc); # 10 |
| 640 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 11 | |
| 641 | &movz ($key,&HB("eax")); # 5 | |
| 53154d71 | 642 | &shl ($acc,24); # 11 |
| 22c268e6 | 643 | &shr ("ebx",16); # 15,14 |
| 89f1eb82 | 644 | &or ("edx",$acc); # 11 |
| 22c268e6 | 645 | |
| 89f1eb82 AP |
646 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 5 |
| 647 | &movz ($key,&HB("ebx")); # 15 | |
| 53154d71 AP |
648 | &shl ($acc,8); # 5 |
| 649 | &or ("ecx",$acc); # 5 | |
| 89f1eb82 AP |
650 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 15 |
| 651 | &movz ($key,&LB("eax")); # 4 | |
| 53154d71 AP |
652 | &shl ($acc,24); # 15 |
| 653 | &or ("ecx",$acc); # 15 | |
| 22c268e6 | 654 | |
| 89f1eb82 AP |
655 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 4 |
| 656 | &movz ($key,&LB("ebx")); # 14 | |
| 22c268e6 | 657 | &movd ("eax","mm2"); # 7, 6, 3, 2 |
| 89f1eb82 AP |
658 | &movd ("mm0","ecx"); # t[0] collected |
| 659 | &movz ("ecx",&BP(-128,$tbl,$key,1)); # 14 | |
| 660 | &movz ($key,&HB("eax")); # 3 | |
| 661 | &shl ("ecx",16); # 14 | |
| 662 | &movd ("ebx","mm6"); # 13,12, 9, 8 | |
| 53154d71 | 663 | &or ("ecx",$acc); # 14 |
| 22c268e6 | 664 | |
| 89f1eb82 AP |
665 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 3 |
| 666 | &movz ($key,&HB("ebx")); # 9 | |
| 53154d71 AP |
667 | &shl ($acc,24); # 3 |
| 668 | &or ("ecx",$acc); # 3 | |
| 89f1eb82 AP |
669 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 9 |
| 670 | &movz ($key,&LB("ebx")); # 8 | |
| 53154d71 | 671 | &shl ($acc,8); # 9 |
| 89f1eb82 | 672 | &shr ("ebx",16); # 13,12 |
| 53154d71 | 673 | &or ("ecx",$acc); # 9 |
| 22c268e6 | 674 | |
| 89f1eb82 AP |
675 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 8 |
| 676 | &movz ($key,&LB("eax")); # 2 | |
| 22c268e6 | 677 | &shr ("eax",16); # 7, 6 |
| 89f1eb82 AP |
678 | &movd ("mm1","ecx"); # t[1] collected |
| 679 | &movz ("ecx",&BP(-128,$tbl,$key,1)); # 2 | |
| 680 | &movz ($key,&HB("eax")); # 7 | |
| 681 | &shl ("ecx",16); # 2 | |
| 682 | &and ("eax",0xff); # 6 | |
| 683 | &or ("ecx",$acc); # 2 | |
| 22c268e6 AP |
684 | |
| 685 | &punpckldq ("mm0","mm1"); # t[0,1] collected | |
| 686 | ||
| 89f1eb82 AP |
687 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 7 |
| 688 | &movz ($key,&HB("ebx")); # 13 | |
| 53154d71 | 689 | &shl ($acc,24); # 7 |
| 89f1eb82 | 690 | &and ("ebx",0xff); # 12 |
| 53154d71 | 691 | &movz ("eax",&BP(-128,$tbl,"eax",1)); # 6 |
| 89f1eb82 | 692 | &or ("ecx",$acc); # 7 |
| 22c268e6 | 693 | &shl ("eax",16); # 6 |
| 89f1eb82 | 694 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 13 |
| 22c268e6 | 695 | &or ("edx","eax"); # 6 |
| 53154d71 | 696 | &shl ($acc,8); # 13 |
| 53154d71 | 697 | &movz ("ebx",&BP(-128,$tbl,"ebx",1)); # 12 |
| 89f1eb82 | 698 | &or ("ecx",$acc); # 13 |
| 22c268e6 | 699 | &or ("edx","ebx"); # 12 |
| 89f1eb82 AP |
700 | &mov ($key,$__key); |
| 701 | &movd ("mm4","ecx"); # t[2] collected | |
| 22c268e6 AP |
702 | &movd ("mm5","edx"); # t[3] collected |
| 703 | ||
| 704 | &punpckldq ("mm4","mm5"); # t[2,3] collected | |
| 705 | } | |
| 706 | ||
| 6c69aa53 | 707 | if (!$x86only) { |
| fc924142 | 708 | &function_begin_B("_sse_AES_encrypt_compact"); |
| 22c268e6 AP |
709 | &pxor ("mm0",&QWP(0,$key)); # 7, 6, 5, 4, 3, 2, 1, 0 |
| 710 | &pxor ("mm4",&QWP(8,$key)); # 15,14,13,12,11,10, 9, 8 | |
| 711 | ||
| 712 | # note that caller is expected to allocate stack frame for me! | |
| 713 | &mov ($acc,&DWP(240,$key)); # load key->rounds | |
| 714 | &lea ($acc,&DWP(-2,$acc,$acc)); | |
| 715 | &lea ($acc,&DWP(0,$key,$acc,8)); | |
| 6c69aa53 | 716 | &mov ($__end,$acc); # end of key schedule |
| 22c268e6 AP |
717 | |
| 718 | &mov ($s0,0x1b1b1b1b); # magic constant | |
| 719 | &mov (&DWP(8,"esp"),$s0); | |
| 720 | &mov (&DWP(12,"esp"),$s0); | |
| 721 | ||
| 722 | # prefetch Te4 | |
| 723 | &mov ($s0,&DWP(0-128,$tbl)); | |
| 724 | &mov ($s1,&DWP(32-128,$tbl)); | |
| 725 | &mov ($s2,&DWP(64-128,$tbl)); | |
| 726 | &mov ($s3,&DWP(96-128,$tbl)); | |
| 727 | &mov ($s0,&DWP(128-128,$tbl)); | |
| 728 | &mov ($s1,&DWP(160-128,$tbl)); | |
| 729 | &mov ($s2,&DWP(192-128,$tbl)); | |
| 730 | &mov ($s3,&DWP(224-128,$tbl)); | |
| 731 | ||
| 732 | &set_label("loop",16); | |
| fc924142 | 733 | &sse_enccompact(); |
| 22c268e6 | 734 | &add ($key,16); |
| 6c69aa53 | 735 | &cmp ($key,$__end); |
| 22c268e6 AP |
736 | &ja (&label("out")); |
| 737 | ||
| 738 | &movq ("mm2",&QWP(8,"esp")); | |
| 739 | &pxor ("mm3","mm3"); &pxor ("mm7","mm7"); | |
| 740 | &movq ("mm1","mm0"); &movq ("mm5","mm4"); # r0 | |
| 741 | &pcmpgtb("mm3","mm0"); &pcmpgtb("mm7","mm4"); | |
| 742 | &pand ("mm3","mm2"); &pand ("mm7","mm2"); | |
| 53154d71 | 743 | &pshufw ("mm2","mm0",0xb1); &pshufw ("mm6","mm4",0xb1);# ROTATE(r0,16) |
| 22c268e6 AP |
744 | &paddb ("mm0","mm0"); &paddb ("mm4","mm4"); |
| 745 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # = r2 | |
| 53154d71 AP |
746 | &pshufw ("mm3","mm2",0xb1); &pshufw ("mm7","mm6",0xb1);# r0 |
| 747 | &pxor ("mm1","mm0"); &pxor ("mm5","mm4"); # r0^r2 | |
| 748 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); # ^= ROTATE(r0,16) | |
| 22c268e6 | 749 | |
| 53154d71 | 750 | &movq ("mm2","mm3"); &movq ("mm6","mm7"); |
| 22c268e6 | 751 | &pslld ("mm3",8); &pslld ("mm7",8); |
| 53154d71 | 752 | &psrld ("mm2",24); &psrld ("mm6",24); |
| 22c268e6 | 753 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= r0<<8 |
| 22c268e6 AP |
754 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); # ^= r0>>24 |
| 755 | ||
| 53154d71 | 756 | &movq ("mm3","mm1"); &movq ("mm7","mm5"); |
| 22c268e6 | 757 | &movq ("mm2",&QWP(0,$key)); &movq ("mm6",&QWP(8,$key)); |
| 53154d71 | 758 | &psrld ("mm1",8); &psrld ("mm5",8); |
| fc924142 | 759 | &mov ($s0,&DWP(0-128,$tbl)); |
| 22c268e6 | 760 | &pslld ("mm3",24); &pslld ("mm7",24); |
| fc924142 | 761 | &mov ($s1,&DWP(64-128,$tbl)); |
| 22c268e6 | 762 | &pxor ("mm0","mm1"); &pxor ("mm4","mm5"); # ^= (r2^r0)<<8 |
| fc924142 | 763 | &mov ($s2,&DWP(128-128,$tbl)); |
| 22c268e6 | 764 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= (r2^r0)>>24 |
| fc924142 | 765 | &mov ($s3,&DWP(192-128,$tbl)); |
| 22c268e6 AP |
766 | |
| 767 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); | |
| 768 | &jmp (&label("loop")); | |
| 769 | ||
| 770 | &set_label("out",16); | |
| 771 | &pxor ("mm0",&QWP(0,$key)); | |
| 772 | &pxor ("mm4",&QWP(8,$key)); | |
| 773 | ||
| 774 | &ret (); | |
| fc924142 | 775 | &function_end_B("_sse_AES_encrypt_compact"); |
| 6c69aa53 | 776 | } |
| 22c268e6 AP |
777 | |
| 778 | ###################################################################### | |
| 779 | # Vanilla block function. | |
| 780 | ###################################################################### | |
| 781 | ||
| 782 | sub encstep() | |
| 783 | { my ($i,$te,@s) = @_; | |
| 784 | my $tmp = $key; | |
| 785 | my $out = $i==3?$s[0]:$acc; | |
| 786 | ||
| 787 | # lines marked with #%e?x[i] denote "reordered" instructions... | |
| 6c69aa53 | 788 | if ($i==3) { &mov ($key,$__key); }##%edx |
| 22c268e6 AP |
789 | else { &mov ($out,$s[0]); |
| 790 | &and ($out,0xFF); } | |
| 791 | if ($i==1) { &shr ($s[0],16); }#%ebx[1] | |
| 792 | if ($i==2) { &shr ($s[0],24); }#%ecx[2] | |
| 793 | &mov ($out,&DWP(0,$te,$out,8)); | |
| 794 | ||
| 795 | if ($i==3) { $tmp=$s[1]; }##%eax | |
| 796 | &movz ($tmp,&HB($s[1])); | |
| 797 | &xor ($out,&DWP(3,$te,$tmp,8)); | |
| 798 | ||
| 6c69aa53 | 799 | if ($i==3) { $tmp=$s[2]; &mov ($s[1],$__s0); }##%ebx |
| 22c268e6 AP |
800 | else { &mov ($tmp,$s[2]); |
| 801 | &shr ($tmp,16); } | |
| 802 | if ($i==2) { &and ($s[1],0xFF); }#%edx[2] | |
| 803 | &and ($tmp,0xFF); | |
| 804 | &xor ($out,&DWP(2,$te,$tmp,8)); | |
| 805 | ||
| 6c69aa53 | 806 | if ($i==3) { $tmp=$s[3]; &mov ($s[2],$__s1); }##%ecx |
| 22c268e6 | 807 | elsif($i==2){ &movz ($tmp,&HB($s[3])); }#%ebx[2] |
| 609b0852 | 808 | else { &mov ($tmp,$s[3]); |
| 22c268e6 AP |
809 | &shr ($tmp,24) } |
| 810 | &xor ($out,&DWP(1,$te,$tmp,8)); | |
| 811 | if ($i<2) { &mov (&DWP(4+4*$i,"esp"),$out); } | |
| 812 | if ($i==3) { &mov ($s[3],$acc); } | |
| 813 | &comment(); | |
| 814 | } | |
| 815 | ||
| 816 | sub enclast() | |
| 71314710 | 817 | { my ($i,$te,@s)=@_; |
| e7e11507 AP |
818 | my $tmp = $key; |
| 819 | my $out = $i==3?$s[0]:$acc; | |
| 71314710 | 820 | |
| 6c69aa53 | 821 | if ($i==3) { &mov ($key,$__key); }##%edx |
| e7e11507 AP |
822 | else { &mov ($out,$s[0]); } |
| 823 | &and ($out,0xFF); | |
| 824 | if ($i==1) { &shr ($s[0],16); }#%ebx[1] | |
| 825 | if ($i==2) { &shr ($s[0],24); }#%ecx[2] | |
| c8d5c71a | 826 | &mov ($out,&DWP(2,$te,$out,8)); |
| e7e11507 | 827 | &and ($out,0x000000ff); |
| 71314710 | 828 | |
| e7e11507 AP |
829 | if ($i==3) { $tmp=$s[1]; }##%eax |
| 830 | &movz ($tmp,&HB($s[1])); | |
| c8d5c71a | 831 | &mov ($tmp,&DWP(0,$te,$tmp,8)); |
| e7e11507 | 832 | &and ($tmp,0x0000ff00); |
| 71314710 AP |
833 | &xor ($out,$tmp); |
| 834 | ||
| 6c69aa53 | 835 | if ($i==3) { $tmp=$s[2]; &mov ($s[1],$__s0); }##%ebx |
| af8c1d81 | 836 | else { &mov ($tmp,$s[2]); |
| e7e11507 AP |
837 | &shr ($tmp,16); } |
| 838 | if ($i==2) { &and ($s[1],0xFF); }#%edx[2] | |
| 839 | &and ($tmp,0xFF); | |
| c8d5c71a | 840 | &mov ($tmp,&DWP(0,$te,$tmp,8)); |
| e7e11507 | 841 | &and ($tmp,0x00ff0000); |
| 71314710 AP |
842 | &xor ($out,$tmp); |
| 843 | ||
| 6c69aa53 | 844 | if ($i==3) { $tmp=$s[3]; &mov ($s[2],$__s1); }##%ecx |
| e7e11507 AP |
845 | elsif($i==2){ &movz ($tmp,&HB($s[3])); }#%ebx[2] |
| 846 | else { &mov ($tmp,$s[3]); | |
| 847 | &shr ($tmp,24); } | |
| c8d5c71a | 848 | &mov ($tmp,&DWP(2,$te,$tmp,8)); |
| e7e11507 | 849 | &and ($tmp,0xff000000); |
| 71314710 | 850 | &xor ($out,$tmp); |
| 04d0d0ac | 851 | if ($i<2) { &mov (&DWP(4+4*$i,"esp"),$out); } |
| e7e11507 | 852 | if ($i==3) { &mov ($s[3],$acc); } |
| 71314710 AP |
853 | } |
| 854 | ||
| addb6e16 AP |
855 | &function_begin_B("_x86_AES_encrypt"); |
| 856 | if ($vertical_spin) { | |
| 857 | # I need high parts of volatile registers to be accessible... | |
| 858 | &exch ($s1="edi",$key="ebx"); | |
| 859 | &mov ($s2="esi",$acc="ecx"); | |
| 860 | } | |
| 71314710 | 861 | |
| 04d0d0ac | 862 | # note that caller is expected to allocate stack frame for me! |
| 6c69aa53 | 863 | &mov ($__key,$key); # save key |
| e7e11507 | 864 | |
| addb6e16 | 865 | &xor ($s0,&DWP(0,$key)); # xor with key |
| e7e11507 AP |
866 | &xor ($s1,&DWP(4,$key)); |
| 867 | &xor ($s2,&DWP(8,$key)); | |
| 868 | &xor ($s3,&DWP(12,$key)); | |
| 869 | ||
| 870 | &mov ($acc,&DWP(240,$key)); # load key->rounds | |
| 71314710 AP |
871 | |
| 872 | if ($small_footprint) { | |
| e7e11507 AP |
873 | &lea ($acc,&DWP(-2,$acc,$acc)); |
| 874 | &lea ($acc,&DWP(0,$key,$acc,8)); | |
| 6c69aa53 | 875 | &mov ($__end,$acc); # end of key schedule |
| af8c1d81 | 876 | |
| 22c268e6 | 877 | &set_label("loop",16); |
| e7e11507 | 878 | if ($vertical_spin) { |
| 22c268e6 | 879 | &encvert($tbl,$s0,$s1,$s2,$s3); |
| e7e11507 | 880 | } else { |
| 22c268e6 AP |
881 | &encstep(0,$tbl,$s0,$s1,$s2,$s3); |
| 882 | &encstep(1,$tbl,$s1,$s2,$s3,$s0); | |
| 883 | &encstep(2,$tbl,$s2,$s3,$s0,$s1); | |
| 884 | &encstep(3,$tbl,$s3,$s0,$s1,$s2); | |
| e7e11507 | 885 | } |
| 04d0d0ac | 886 | &add ($key,16); # advance rd_key |
| e7e11507 AP |
887 | &xor ($s0,&DWP(0,$key)); |
| 888 | &xor ($s1,&DWP(4,$key)); | |
| 889 | &xor ($s2,&DWP(8,$key)); | |
| 890 | &xor ($s3,&DWP(12,$key)); | |
| 6c69aa53 AP |
891 | &cmp ($key,$__end); |
| 892 | &mov ($__key,$key); | |
| 71314710 AP |
893 | &jb (&label("loop")); |
| 894 | } | |
| 895 | else { | |
| e7e11507 | 896 | &cmp ($acc,10); |
| 71314710 | 897 | &jle (&label("10rounds")); |
| e7e11507 | 898 | &cmp ($acc,12); |
| 71314710 AP |
899 | &jle (&label("12rounds")); |
| 900 | ||
| 22c268e6 AP |
901 | &set_label("14rounds",4); |
| 902 | for ($i=1;$i<3;$i++) { | |
| e7e11507 | 903 | if ($vertical_spin) { |
| 22c268e6 | 904 | &encvert($tbl,$s0,$s1,$s2,$s3); |
| e7e11507 | 905 | } else { |
| 22c268e6 AP |
906 | &encstep(0,$tbl,$s0,$s1,$s2,$s3); |
| 907 | &encstep(1,$tbl,$s1,$s2,$s3,$s0); | |
| 908 | &encstep(2,$tbl,$s2,$s3,$s0,$s1); | |
| 909 | &encstep(3,$tbl,$s3,$s0,$s1,$s2); | |
| e7e11507 AP |
910 | } |
| 911 | &xor ($s0,&DWP(16*$i+0,$key)); | |
| 912 | &xor ($s1,&DWP(16*$i+4,$key)); | |
| 913 | &xor ($s2,&DWP(16*$i+8,$key)); | |
| 914 | &xor ($s3,&DWP(16*$i+12,$key)); | |
| 71314710 | 915 | } |
| e7e11507 | 916 | &add ($key,32); |
| 6c69aa53 | 917 | &mov ($__key,$key); # advance rd_key |
| 22c268e6 AP |
918 | &set_label("12rounds",4); |
| 919 | for ($i=1;$i<3;$i++) { | |
| e7e11507 | 920 | if ($vertical_spin) { |
| 22c268e6 | 921 | &encvert($tbl,$s0,$s1,$s2,$s3); |
| e7e11507 | 922 | } else { |
| 22c268e6 AP |
923 | &encstep(0,$tbl,$s0,$s1,$s2,$s3); |
| 924 | &encstep(1,$tbl,$s1,$s2,$s3,$s0); | |
| 925 | &encstep(2,$tbl,$s2,$s3,$s0,$s1); | |
| 926 | &encstep(3,$tbl,$s3,$s0,$s1,$s2); | |
| e7e11507 AP |
927 | } |
| 928 | &xor ($s0,&DWP(16*$i+0,$key)); | |
| 929 | &xor ($s1,&DWP(16*$i+4,$key)); | |
| 930 | &xor ($s2,&DWP(16*$i+8,$key)); | |
| 931 | &xor ($s3,&DWP(16*$i+12,$key)); | |
| 71314710 | 932 | } |
| e7e11507 | 933 | &add ($key,32); |
| 6c69aa53 | 934 | &mov ($__key,$key); # advance rd_key |
| 22c268e6 AP |
935 | &set_label("10rounds",4); |
| 936 | for ($i=1;$i<10;$i++) { | |
| e7e11507 | 937 | if ($vertical_spin) { |
| 22c268e6 | 938 | &encvert($tbl,$s0,$s1,$s2,$s3); |
| e7e11507 | 939 | } else { |
| 22c268e6 AP |
940 | &encstep(0,$tbl,$s0,$s1,$s2,$s3); |
| 941 | &encstep(1,$tbl,$s1,$s2,$s3,$s0); | |
| 942 | &encstep(2,$tbl,$s2,$s3,$s0,$s1); | |
| 943 | &encstep(3,$tbl,$s3,$s0,$s1,$s2); | |
| e7e11507 AP |
944 | } |
| 945 | &xor ($s0,&DWP(16*$i+0,$key)); | |
| 946 | &xor ($s1,&DWP(16*$i+4,$key)); | |
| 947 | &xor ($s2,&DWP(16*$i+8,$key)); | |
| 948 | &xor ($s3,&DWP(16*$i+12,$key)); | |
| 71314710 AP |
949 | } |
| 950 | } | |
| 951 | ||
| e7e11507 AP |
952 | if ($vertical_spin) { |
| 953 | # "reincarnate" some registers for "horizontal" spin... | |
| addb6e16 AP |
954 | &mov ($s1="ebx",$key="edi"); |
| 955 | &mov ($s2="ecx",$acc="esi"); | |
| e7e11507 | 956 | } |
| 22c268e6 AP |
957 | &enclast(0,$tbl,$s0,$s1,$s2,$s3); |
| 958 | &enclast(1,$tbl,$s1,$s2,$s3,$s0); | |
| 959 | &enclast(2,$tbl,$s2,$s3,$s0,$s1); | |
| 960 | &enclast(3,$tbl,$s3,$s0,$s1,$s2); | |
| 71314710 | 961 | |
| e7e11507 AP |
962 | &add ($key,$small_footprint?16:160); |
| 963 | &xor ($s0,&DWP(0,$key)); | |
| 964 | &xor ($s1,&DWP(4,$key)); | |
| 965 | &xor ($s2,&DWP(8,$key)); | |
| 966 | &xor ($s3,&DWP(12,$key)); | |
| 967 | ||
| 71314710 AP |
968 | &ret (); |
| 969 | ||
| fc924142 | 970 | &set_label("AES_Te",64); # Yes! I keep it in the code segment! |
| c8d5c71a AP |
971 | &_data_word(0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6); |
| 972 | &_data_word(0x0df2f2ff, 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591); | |
| 973 | &_data_word(0x50303060, 0x03010102, 0xa96767ce, 0x7d2b2b56); | |
| 974 | &_data_word(0x19fefee7, 0x62d7d7b5, 0xe6abab4d, 0x9a7676ec); | |
| 975 | &_data_word(0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa); | |
| 976 | &_data_word(0x15fafaef, 0xeb5959b2, 0xc947478e, 0x0bf0f0fb); | |
| 977 | &_data_word(0xecadad41, 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45); | |
| 978 | &_data_word(0xbf9c9c23, 0xf7a4a453, 0x967272e4, 0x5bc0c09b); | |
| 979 | &_data_word(0xc2b7b775, 0x1cfdfde1, 0xae93933d, 0x6a26264c); | |
| 980 | &_data_word(0x5a36366c, 0x413f3f7e, 0x02f7f7f5, 0x4fcccc83); | |
| 981 | &_data_word(0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x08f1f1f9); | |
| 982 | &_data_word(0x937171e2, 0x73d8d8ab, 0x53313162, 0x3f15152a); | |
| 983 | &_data_word(0x0c040408, 0x52c7c795, 0x65232346, 0x5ec3c39d); | |
| 984 | &_data_word(0x28181830, 0xa1969637, 0x0f05050a, 0xb59a9a2f); | |
| 985 | &_data_word(0x0907070e, 0x36121224, 0x9b80801b, 0x3de2e2df); | |
| 986 | &_data_word(0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea); | |
| 987 | &_data_word(0x1b090912, 0x9e83831d, 0x742c2c58, 0x2e1a1a34); | |
| 988 | &_data_word(0x2d1b1b36, 0xb26e6edc, 0xee5a5ab4, 0xfba0a05b); | |
| 989 | &_data_word(0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, 0xceb3b37d); | |
| 990 | &_data_word(0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413); | |
| 991 | &_data_word(0xf55353a6, 0x68d1d1b9, 0x00000000, 0x2cededc1); | |
| 992 | &_data_word(0x60202040, 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6); | |
| 993 | &_data_word(0xbe6a6ad4, 0x46cbcb8d, 0xd9bebe67, 0x4b393972); | |
| 994 | &_data_word(0xde4a4a94, 0xd44c4c98, 0xe85858b0, 0x4acfcf85); | |
| 995 | &_data_word(0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed); | |
| 996 | &_data_word(0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511); | |
| 997 | &_data_word(0xcf45458a, 0x10f9f9e9, 0x06020204, 0x817f7ffe); | |
| 998 | &_data_word(0xf05050a0, 0x443c3c78, 0xba9f9f25, 0xe3a8a84b); | |
| 999 | &_data_word(0xf35151a2, 0xfea3a35d, 0xc0404080, 0x8a8f8f05); | |
| 1000 | &_data_word(0xad92923f, 0xbc9d9d21, 0x48383870, 0x04f5f5f1); | |
| 1001 | &_data_word(0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142); | |
| 1002 | &_data_word(0x30101020, 0x1affffe5, 0x0ef3f3fd, 0x6dd2d2bf); | |
| 1003 | &_data_word(0x4ccdcd81, 0x140c0c18, 0x35131326, 0x2fececc3); | |
| 1004 | &_data_word(0xe15f5fbe, 0xa2979735, 0xcc444488, 0x3917172e); | |
| 1005 | &_data_word(0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a); | |
| 1006 | &_data_word(0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6); | |
| 1007 | &_data_word(0xa06060c0, 0x98818119, 0xd14f4f9e, 0x7fdcdca3); | |
| 1008 | &_data_word(0x66222244, 0x7e2a2a54, 0xab90903b, 0x8388880b); | |
| 1009 | &_data_word(0xca46468c, 0x29eeeec7, 0xd3b8b86b, 0x3c141428); | |
| 1010 | &_data_word(0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad); | |
| 1011 | &_data_word(0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14); | |
| 1012 | &_data_word(0xdb494992, 0x0a06060c, 0x6c242448, 0xe45c5cb8); | |
| 1013 | &_data_word(0x5dc2c29f, 0x6ed3d3bd, 0xefacac43, 0xa66262c4); | |
| 1014 | &_data_word(0xa8919139, 0xa4959531, 0x37e4e4d3, 0x8b7979f2); | |
| 1015 | &_data_word(0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda); | |
| 1016 | &_data_word(0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949); | |
| 1017 | &_data_word(0xb46c6cd8, 0xfa5656ac, 0x07f4f4f3, 0x25eaeacf); | |
| 1018 | &_data_word(0xaf6565ca, 0x8e7a7af4, 0xe9aeae47, 0x18080810); | |
| 1019 | &_data_word(0xd5baba6f, 0x887878f0, 0x6f25254a, 0x722e2e5c); | |
| 1020 | &_data_word(0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697); | |
| 1021 | &_data_word(0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e); | |
| 1022 | &_data_word(0xdd4b4b96, 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f); | |
| 1023 | &_data_word(0x907070e0, 0x423e3e7c, 0xc4b5b571, 0xaa6666cc); | |
| 1024 | &_data_word(0xd8484890, 0x05030306, 0x01f6f6f7, 0x120e0e1c); | |
| 1025 | &_data_word(0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969); | |
| 1026 | &_data_word(0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27); | |
| 1027 | &_data_word(0x38e1e1d9, 0x13f8f8eb, 0xb398982b, 0x33111122); | |
| 1028 | &_data_word(0xbb6969d2, 0x70d9d9a9, 0x898e8e07, 0xa7949433); | |
| 1029 | &_data_word(0xb69b9b2d, 0x221e1e3c, 0x92878715, 0x20e9e9c9); | |
| 1030 | &_data_word(0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5); | |
| 1031 | &_data_word(0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a); | |
| 1032 | &_data_word(0xdabfbf65, 0x31e6e6d7, 0xc6424284, 0xb86868d0); | |
| 1033 | &_data_word(0xc3414182, 0xb0999929, 0x772d2d5a, 0x110f0f1e); | |
| 1034 | &_data_word(0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, 0x3a16162c); | |
| 22c268e6 AP |
1035 | |
| 1036 | #Te4 # four copies of Te4 to choose from to avoid L1 aliasing | |
| 1037 | &data_byte(0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5); | |
| 1038 | &data_byte(0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76); | |
| 1039 | &data_byte(0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0); | |
| 1040 | &data_byte(0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0); | |
| 1041 | &data_byte(0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc); | |
| 1042 | &data_byte(0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15); | |
| 1043 | &data_byte(0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a); | |
| 1044 | &data_byte(0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75); | |
| 1045 | &data_byte(0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0); | |
| 1046 | &data_byte(0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84); | |
| 1047 | &data_byte(0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b); | |
| 1048 | &data_byte(0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf); | |
| 1049 | &data_byte(0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85); | |
| 1050 | &data_byte(0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8); | |
| 1051 | &data_byte(0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5); | |
| 1052 | &data_byte(0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2); | |
| 1053 | &data_byte(0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17); | |
| 1054 | &data_byte(0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73); | |
| 1055 | &data_byte(0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88); | |
| 1056 | &data_byte(0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb); | |
| 1057 | &data_byte(0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c); | |
| 1058 | &data_byte(0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79); | |
| 1059 | &data_byte(0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9); | |
| 1060 | &data_byte(0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08); | |
| 1061 | &data_byte(0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6); | |
| 1062 | &data_byte(0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a); | |
| 1063 | &data_byte(0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e); | |
| 1064 | &data_byte(0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e); | |
| 1065 | &data_byte(0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94); | |
| 1066 | &data_byte(0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf); | |
| 1067 | &data_byte(0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68); | |
| 1068 | &data_byte(0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16); | |
| 1069 | ||
| 1070 | &data_byte(0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5); | |
| 1071 | &data_byte(0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76); | |
| 1072 | &data_byte(0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0); | |
| 1073 | &data_byte(0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0); | |
| 1074 | &data_byte(0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc); | |
| 1075 | &data_byte(0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15); | |
| 1076 | &data_byte(0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a); | |
| 1077 | &data_byte(0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75); | |
| 1078 | &data_byte(0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0); | |
| 1079 | &data_byte(0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84); | |
| 1080 | &data_byte(0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b); | |
| 1081 | &data_byte(0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf); | |
| 1082 | &data_byte(0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85); | |
| 1083 | &data_byte(0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8); | |
| 1084 | &data_byte(0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5); | |
| 1085 | &data_byte(0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2); | |
| 1086 | &data_byte(0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17); | |
| 1087 | &data_byte(0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73); | |
| 1088 | &data_byte(0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88); | |
| 1089 | &data_byte(0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb); | |
| 1090 | &data_byte(0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c); | |
| 1091 | &data_byte(0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79); | |
| 1092 | &data_byte(0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9); | |
| 1093 | &data_byte(0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08); | |
| 1094 | &data_byte(0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6); | |
| 1095 | &data_byte(0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a); | |
| 1096 | &data_byte(0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e); | |
| 1097 | &data_byte(0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e); | |
| 1098 | &data_byte(0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94); | |
| 1099 | &data_byte(0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf); | |
| 1100 | &data_byte(0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68); | |
| 1101 | &data_byte(0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16); | |
| 1102 | ||
| 1103 | &data_byte(0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5); | |
| 1104 | &data_byte(0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76); | |
| 1105 | &data_byte(0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0); | |
| 1106 | &data_byte(0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0); | |
| 1107 | &data_byte(0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc); | |
| 1108 | &data_byte(0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15); | |
| 1109 | &data_byte(0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a); | |
| 1110 | &data_byte(0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75); | |
| 1111 | &data_byte(0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0); | |
| 1112 | &data_byte(0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84); | |
| 1113 | &data_byte(0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b); | |
| 1114 | &data_byte(0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf); | |
| 1115 | &data_byte(0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85); | |
| 1116 | &data_byte(0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8); | |
| 1117 | &data_byte(0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5); | |
| 1118 | &data_byte(0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2); | |
| 1119 | &data_byte(0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17); | |
| 1120 | &data_byte(0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73); | |
| 1121 | &data_byte(0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88); | |
| 1122 | &data_byte(0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb); | |
| 1123 | &data_byte(0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c); | |
| 1124 | &data_byte(0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79); | |
| 1125 | &data_byte(0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9); | |
| 1126 | &data_byte(0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08); | |
| 1127 | &data_byte(0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6); | |
| 1128 | &data_byte(0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a); | |
| 1129 | &data_byte(0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e); | |
| 1130 | &data_byte(0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e); | |
| 1131 | &data_byte(0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94); | |
| 1132 | &data_byte(0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf); | |
| 1133 | &data_byte(0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68); | |
| 1134 | &data_byte(0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16); | |
| 1135 | ||
| af8c1d81 AP |
1136 | &data_byte(0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5); |
| 1137 | &data_byte(0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76); | |
| 1138 | &data_byte(0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0); | |
| 1139 | &data_byte(0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0); | |
| 1140 | &data_byte(0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc); | |
| 1141 | &data_byte(0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15); | |
| 1142 | &data_byte(0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a); | |
| 1143 | &data_byte(0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75); | |
| 1144 | &data_byte(0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0); | |
| 1145 | &data_byte(0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84); | |
| 1146 | &data_byte(0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b); | |
| 1147 | &data_byte(0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf); | |
| 1148 | &data_byte(0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85); | |
| 1149 | &data_byte(0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8); | |
| 1150 | &data_byte(0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5); | |
| 1151 | &data_byte(0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2); | |
| 1152 | &data_byte(0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17); | |
| 1153 | &data_byte(0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73); | |
| 1154 | &data_byte(0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88); | |
| 1155 | &data_byte(0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb); | |
| 1156 | &data_byte(0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c); | |
| 1157 | &data_byte(0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79); | |
| 1158 | &data_byte(0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9); | |
| 1159 | &data_byte(0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08); | |
| 1160 | &data_byte(0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6); | |
| 1161 | &data_byte(0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a); | |
| 1162 | &data_byte(0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e); | |
| 1163 | &data_byte(0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e); | |
| 1164 | &data_byte(0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94); | |
| 1165 | &data_byte(0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf); | |
| 1166 | &data_byte(0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68); | |
| 1167 | &data_byte(0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16); | |
| e7e11507 AP |
1168 | #rcon: |
| 1169 | &data_word(0x00000001, 0x00000002, 0x00000004, 0x00000008); | |
| c8d5c71a | 1170 | &data_word(0x00000010, 0x00000020, 0x00000040, 0x00000080); |
| fc924142 AP |
1171 | &data_word(0x0000001b, 0x00000036, 0x00000000, 0x00000000); |
| 1172 | &data_word(0x00000000, 0x00000000, 0x00000000, 0x00000000); | |
| addb6e16 | 1173 | &function_end_B("_x86_AES_encrypt"); |
| 71314710 | 1174 | |
| addb6e16 | 1175 | # void AES_encrypt (const void *inp,void *out,const AES_KEY *key); |
| addb6e16 AP |
1176 | &function_begin("AES_encrypt"); |
| 1177 | &mov ($acc,&wparam(0)); # load inp | |
| 1178 | &mov ($key,&wparam(2)); # load key | |
| e7e11507 | 1179 | |
| 04d0d0ac | 1180 | &mov ($s0,"esp"); |
| af8c1d81 | 1181 | &sub ("esp",36); |
| 22c268e6 AP |
1182 | &and ("esp",-64); # align to cache-line |
| 1183 | ||
| 1184 | # place stack frame just "above" the key schedule | |
| 1185 | &lea ($s1,&DWP(-64-63,$key)); | |
| 1186 | &sub ($s1,"esp"); | |
| 1187 | &neg ($s1); | |
| 1188 | &and ($s1,0x3C0); # modulo 1024, but aligned to cache-line | |
| 1189 | &sub ("esp",$s1); | |
| 1190 | &add ("esp",4); # 4 is reserved for caller's return address | |
| 6c69aa53 | 1191 | &mov ($_esp,$s0); # save stack pointer |
| 04d0d0ac | 1192 | |
| addb6e16 AP |
1193 | &call (&label("pic_point")); # make it PIC! |
| 1194 | &set_label("pic_point"); | |
| 22c268e6 | 1195 | &blindpop($tbl); |
| 6c69aa53 | 1196 | &picmeup($s0,"OPENSSL_ia32cap_P",$tbl,&label("pic_point")) if (!$x86only); |
| 22c268e6 | 1197 | &lea ($tbl,&DWP(&label("AES_Te")."-".&label("pic_point"),$tbl)); |
| 6c69aa53 | 1198 | |
| 22c268e6 | 1199 | # pick Te4 copy which can't "overlap" with stack frame or key schedule |
| fc924142 AP |
1200 | &lea ($s1,&DWP(768-4,"esp")); |
| 1201 | &sub ($s1,$tbl); | |
| 22c268e6 AP |
1202 | &and ($s1,0x300); |
| 1203 | &lea ($tbl,&DWP(2048+128,$tbl,$s1)); | |
| 1204 | ||
| 6c69aa53 AP |
1205 | if (!$x86only) { |
| 1206 | &bt (&DWP(0,$s0),25); # check for SSE bit | |
| fc924142 AP |
1207 | &jnc (&label("x86")); |
| 1208 | ||
| 1209 | &movq ("mm0",&QWP(0,$acc)); | |
| 1210 | &movq ("mm4",&QWP(8,$acc)); | |
| 1211 | &call ("_sse_AES_encrypt_compact"); | |
| 6c69aa53 | 1212 | &mov ("esp",$_esp); # restore stack pointer |
| fc924142 AP |
1213 | &mov ($acc,&wparam(1)); # load out |
| 1214 | &movq (&QWP(0,$acc),"mm0"); # write output data | |
| 1215 | &movq (&QWP(8,$acc),"mm4"); | |
| 1216 | &emms (); | |
| 1217 | &function_end_A(); | |
| 6c69aa53 | 1218 | } |
| fc924142 | 1219 | &set_label("x86",16); |
| 6c69aa53 | 1220 | &mov ($_tbl,$tbl); |
| addb6e16 AP |
1221 | &mov ($s0,&DWP(0,$acc)); # load input data |
| 1222 | &mov ($s1,&DWP(4,$acc)); | |
| 1223 | &mov ($s2,&DWP(8,$acc)); | |
| 1224 | &mov ($s3,&DWP(12,$acc)); | |
| 22c268e6 | 1225 | &call ("_x86_AES_encrypt_compact"); |
| 6c69aa53 | 1226 | &mov ("esp",$_esp); # restore stack pointer |
| addb6e16 AP |
1227 | &mov ($acc,&wparam(1)); # load out |
| 1228 | &mov (&DWP(0,$acc),$s0); # write output data | |
| 1229 | &mov (&DWP(4,$acc),$s1); | |
| 1230 | &mov (&DWP(8,$acc),$s2); | |
| 1231 | &mov (&DWP(12,$acc),$s3); | |
| 22c268e6 | 1232 | &function_end("AES_encrypt"); |
| 71314710 | 1233 | |
| 22c268e6 | 1234 | #--------------------------------------------------------------------# |
| 71314710 | 1235 | |
| 22c268e6 AP |
1236 | ###################################################################### |
| 1237 | # "Compact" block function | |
| 1238 | ###################################################################### | |
| 71314710 | 1239 | |
| 22c268e6 | 1240 | sub deccompact() |
| f9c5e5d9 | 1241 | { my $Fn = \&mov; |
| af8c1d81 AP |
1242 | while ($#_>5) { pop(@_); $Fn=sub{}; } |
| 1243 | my ($i,$td,@s)=@_; | |
| e7e11507 AP |
1244 | my $tmp = $key; |
| 1245 | my $out = $i==3?$s[0]:$acc; | |
| 71314710 | 1246 | |
| af8c1d81 AP |
1247 | # $Fn is used in first compact round and its purpose is to |
| 1248 | # void restoration of some values from stack, so that after | |
| 22c268e6 | 1249 | # 4xdeccompact with extra argument $key, $s0 and $s1 values |
| af8c1d81 | 1250 | # are left there... |
| 6c69aa53 | 1251 | if($i==3) { &$Fn ($key,$__key); } |
| e7e11507 AP |
1252 | else { &mov ($out,$s[0]); } |
| 1253 | &and ($out,0xFF); | |
| 53154d71 | 1254 | &movz ($out,&BP(-128,$td,$out,1)); |
| 71314710 | 1255 | |
| e7e11507 AP |
1256 | if ($i==3) { $tmp=$s[1]; } |
| 1257 | &movz ($tmp,&HB($s[1])); | |
| 53154d71 | 1258 | &movz ($tmp,&BP(-128,$td,$tmp,1)); |
| 9598fa87 | 1259 | &shl ($tmp,8); |
| 71314710 AP |
1260 | &xor ($out,$tmp); |
| 1261 | ||
| e7e11507 AP |
1262 | if ($i==3) { $tmp=$s[2]; &mov ($s[1],$acc); } |
| 1263 | else { mov ($tmp,$s[2]); } | |
| 1264 | &shr ($tmp,16); | |
| 1265 | &and ($tmp,0xFF); | |
| 53154d71 | 1266 | &movz ($tmp,&BP(-128,$td,$tmp,1)); |
| 9598fa87 | 1267 | &shl ($tmp,16); |
| 71314710 AP |
1268 | &xor ($out,$tmp); |
| 1269 | ||
| 6c69aa53 | 1270 | if ($i==3) { $tmp=$s[3]; &$Fn ($s[2],$__s1); } |
| e7e11507 AP |
1271 | else { &mov ($tmp,$s[3]); } |
| 1272 | &shr ($tmp,24); | |
| 53154d71 | 1273 | &movz ($tmp,&BP(-128,$td,$tmp,1)); |
| 9598fa87 | 1274 | &shl ($tmp,24); |
| 71314710 | 1275 | &xor ($out,$tmp); |
| 04d0d0ac | 1276 | if ($i<2) { &mov (&DWP(4+4*$i,"esp"),$out); } |
| 6c69aa53 | 1277 | if ($i==3) { &$Fn ($s[3],$__s0); } |
| af8c1d81 AP |
1278 | } |
| 1279 | ||
| 1280 | # must be called with 2,3,0,1 as argument sequence!!! | |
| 1281 | sub dectransform() | |
| 1282 | { my @s = ($s0,$s1,$s2,$s3); | |
| 1283 | my $i = shift; | |
| 1284 | my $tmp = $key; | |
| 1285 | my $tp2 = @s[($i+2)%4]; $tp2 = @s[2] if ($i==1); | |
| 1286 | my $tp4 = @s[($i+3)%4]; $tp4 = @s[3] if ($i==1); | |
| 22c268e6 | 1287 | my $tp8 = $tbl; |
| af8c1d81 | 1288 | |
| 89f1eb82 AP |
1289 | &mov ($tmp,0x80808080); |
| 1290 | &and ($tmp,$s[$i]); | |
| 1291 | &mov ($acc,$tmp); | |
| af8c1d81 | 1292 | &shr ($tmp,7); |
| 96b0f6c1 | 1293 | &lea ($tp2,&DWP(0,$s[$i],$s[$i])); |
| af8c1d81 | 1294 | &sub ($acc,$tmp); |
| 96b0f6c1 | 1295 | &and ($tp2,0xfefefefe); |
| af8c1d81 | 1296 | &and ($acc,0x1b1b1b1b); |
| 89f1eb82 AP |
1297 | &xor ($tp2,$acc); |
| 1298 | &mov ($tmp,0x80808080); | |
| af8c1d81 | 1299 | |
| 89f1eb82 AP |
1300 | &and ($tmp,$tp2); |
| 1301 | &mov ($acc,$tmp); | |
| af8c1d81 | 1302 | &shr ($tmp,7); |
| 96b0f6c1 | 1303 | &lea ($tp4,&DWP(0,$tp2,$tp2)); |
| af8c1d81 | 1304 | &sub ($acc,$tmp); |
| 96b0f6c1 | 1305 | &and ($tp4,0xfefefefe); |
| af8c1d81 | 1306 | &and ($acc,0x1b1b1b1b); |
| 96b0f6c1 | 1307 | &xor ($tp2,$s[$i]); # tp2^tp1 |
| 89f1eb82 AP |
1308 | &xor ($tp4,$acc); |
| 1309 | &mov ($tmp,0x80808080); | |
| af8c1d81 | 1310 | |
| 89f1eb82 AP |
1311 | &and ($tmp,$tp4); |
| 1312 | &mov ($acc,$tmp); | |
| af8c1d81 | 1313 | &shr ($tmp,7); |
| 96b0f6c1 | 1314 | &lea ($tp8,&DWP(0,$tp4,$tp4)); |
| af8c1d81 | 1315 | &sub ($acc,$tmp); |
| 96b0f6c1 | 1316 | &and ($tp8,0xfefefefe); |
| af8c1d81 | 1317 | &and ($acc,0x1b1b1b1b); |
| 96b0f6c1 | 1318 | &xor ($tp4,$s[$i]); # tp4^tp1 |
| 22c268e6 | 1319 | &rotl ($s[$i],8); # = ROTATE(tp1,8) |
| af8c1d81 AP |
1320 | &xor ($tp8,$acc); |
| 1321 | ||
| 22c268e6 | 1322 | &xor ($s[$i],$tp2); |
| af8c1d81 | 1323 | &xor ($tp2,$tp8); |
| 96b0f6c1 | 1324 | &xor ($s[$i],$tp4); |
| 22c268e6 | 1325 | &xor ($tp4,$tp8); |
| 89f1eb82 | 1326 | &rotl ($tp2,24); |
| 96b0f6c1 | 1327 | &xor ($s[$i],$tp8); # ^= tp8^(tp4^tp1)^(tp2^tp1) |
| 89f1eb82 | 1328 | &rotl ($tp4,16); |
| 96b0f6c1 | 1329 | &xor ($s[$i],$tp2); # ^= ROTATE(tp8^tp2^tp1,24) |
| 89f1eb82 | 1330 | &rotl ($tp8,8); |
| 22c268e6 | 1331 | &xor ($s[$i],$tp4); # ^= ROTATE(tp8^tp4^tp1,16) |
| 96b0f6c1 AP |
1332 | &mov ($s[0],$__s0) if($i==2); #prefetch $s0 |
| 1333 | &mov ($s[1],$__s1) if($i==3); #prefetch $s1 | |
| 1334 | &mov ($s[2],$__s2) if($i==1); | |
| 22c268e6 | 1335 | &xor ($s[$i],$tp8); # ^= ROTATE(tp8,8) |
| af8c1d81 | 1336 | |
| 6c69aa53 | 1337 | &mov ($s[3],$__s3) if($i==1); |
| af8c1d81 | 1338 | &mov (&DWP(4+4*$i,"esp"),$s[$i]) if($i>=2); |
| 71314710 AP |
1339 | } |
| 1340 | ||
| 22c268e6 | 1341 | &function_begin_B("_x86_AES_decrypt_compact"); |
| 04d0d0ac | 1342 | # note that caller is expected to allocate stack frame for me! |
| 6c69aa53 | 1343 | &mov ($__key,$key); # save key |
| 71314710 | 1344 | |
| addb6e16 | 1345 | &xor ($s0,&DWP(0,$key)); # xor with key |
| e7e11507 AP |
1346 | &xor ($s1,&DWP(4,$key)); |
| 1347 | &xor ($s2,&DWP(8,$key)); | |
| 1348 | &xor ($s3,&DWP(12,$key)); | |
| 71314710 | 1349 | |
| 22c268e6 AP |
1350 | &mov ($acc,&DWP(240,$key)); # load key->rounds |
| 1351 | ||
| 1352 | &lea ($acc,&DWP(-2,$acc,$acc)); | |
| 1353 | &lea ($acc,&DWP(0,$key,$acc,8)); | |
| 6c69aa53 | 1354 | &mov ($__end,$acc); # end of key schedule |
| 22c268e6 AP |
1355 | |
| 1356 | # prefetch Td4 | |
| 1357 | &mov ($key,&DWP(0-128,$tbl)); | |
| 1358 | &mov ($acc,&DWP(32-128,$tbl)); | |
| 1359 | &mov ($key,&DWP(64-128,$tbl)); | |
| 1360 | &mov ($acc,&DWP(96-128,$tbl)); | |
| 1361 | &mov ($key,&DWP(128-128,$tbl)); | |
| 1362 | &mov ($acc,&DWP(160-128,$tbl)); | |
| 1363 | &mov ($key,&DWP(192-128,$tbl)); | |
| 1364 | &mov ($acc,&DWP(224-128,$tbl)); | |
| 1365 | ||
| 1366 | &set_label("loop",16); | |
| 1367 | ||
| 1368 | &deccompact(0,$tbl,$s0,$s3,$s2,$s1,1); | |
| 1369 | &deccompact(1,$tbl,$s1,$s0,$s3,$s2,1); | |
| 1370 | &deccompact(2,$tbl,$s2,$s1,$s0,$s3,1); | |
| 1371 | &deccompact(3,$tbl,$s3,$s2,$s1,$s0,1); | |
| 1372 | &dectransform(2); | |
| 1373 | &dectransform(3); | |
| 1374 | &dectransform(0); | |
| 1375 | &dectransform(1); | |
| 6c69aa53 AP |
1376 | &mov ($key,$__key); |
| 1377 | &mov ($tbl,$__tbl); | |
| 22c268e6 AP |
1378 | &add ($key,16); # advance rd_key |
| 1379 | &xor ($s0,&DWP(0,$key)); | |
| 1380 | &xor ($s1,&DWP(4,$key)); | |
| 1381 | &xor ($s2,&DWP(8,$key)); | |
| 1382 | &xor ($s3,&DWP(12,$key)); | |
| 1383 | ||
| 6c69aa53 AP |
1384 | &cmp ($key,$__end); |
| 1385 | &mov ($__key,$key); | |
| 22c268e6 AP |
1386 | &jb (&label("loop")); |
| 1387 | ||
| 1388 | &deccompact(0,$tbl,$s0,$s3,$s2,$s1); | |
| 1389 | &deccompact(1,$tbl,$s1,$s0,$s3,$s2); | |
| 1390 | &deccompact(2,$tbl,$s2,$s1,$s0,$s3); | |
| 1391 | &deccompact(3,$tbl,$s3,$s2,$s1,$s0); | |
| 1392 | ||
| af8c1d81 AP |
1393 | &xor ($s0,&DWP(16,$key)); |
| 1394 | &xor ($s1,&DWP(20,$key)); | |
| 1395 | &xor ($s2,&DWP(24,$key)); | |
| 1396 | &xor ($s3,&DWP(28,$key)); | |
| 1397 | ||
| 22c268e6 AP |
1398 | &ret (); |
| 1399 | &function_end_B("_x86_AES_decrypt_compact"); | |
| 1400 | ||
| 1401 | ###################################################################### | |
| fc924142 | 1402 | # "Compact" SSE block function. |
| 22c268e6 AP |
1403 | ###################################################################### |
| 1404 | ||
| fc924142 | 1405 | sub sse_deccompact() |
| 22c268e6 AP |
1406 | { |
| 1407 | &pshufw ("mm1","mm0",0x0c); # 7, 6, 1, 0 | |
| 89f1eb82 | 1408 | &pshufw ("mm5","mm4",0x09); # 13,12,11,10 |
| 22c268e6 | 1409 | &movd ("eax","mm1"); # 7, 6, 1, 0 |
| 89f1eb82 AP |
1410 | &movd ("ebx","mm5"); # 13,12,11,10 |
| 1411 | &mov ($__key,$key); | |
| 22c268e6 | 1412 | |
| 53154d71 | 1413 | &movz ($acc,&LB("eax")); # 0 |
| 22c268e6 | 1414 | &movz ("edx",&HB("eax")); # 1 |
| 89f1eb82 AP |
1415 | &pshufw ("mm2","mm0",0x06); # 3, 2, 5, 4 |
| 1416 | &movz ("ecx",&BP(-128,$tbl,$acc,1)); # 0 | |
| 1417 | &movz ($key,&LB("ebx")); # 10 | |
| 53154d71 | 1418 | &movz ("edx",&BP(-128,$tbl,"edx",1)); # 1 |
| 89f1eb82 | 1419 | &shr ("eax",16); # 7, 6 |
| 22c268e6 AP |
1420 | &shl ("edx",8); # 1 |
| 1421 | ||
| 89f1eb82 AP |
1422 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 10 |
| 1423 | &movz ($key,&HB("ebx")); # 11 | |
| 53154d71 | 1424 | &shl ($acc,16); # 10 |
| 89f1eb82 | 1425 | &pshufw ("mm6","mm4",0x03); # 9, 8,15,14 |
| 53154d71 | 1426 | &or ("ecx",$acc); # 10 |
| 89f1eb82 AP |
1427 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 11 |
| 1428 | &movz ($key,&HB("eax")); # 7 | |
| 53154d71 | 1429 | &shl ($acc,24); # 11 |
| 22c268e6 | 1430 | &shr ("ebx",16); # 13,12 |
| 89f1eb82 | 1431 | &or ("edx",$acc); # 11 |
| 22c268e6 | 1432 | |
| 89f1eb82 AP |
1433 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 7 |
| 1434 | &movz ($key,&HB("ebx")); # 13 | |
| 53154d71 AP |
1435 | &shl ($acc,24); # 7 |
| 1436 | &or ("ecx",$acc); # 7 | |
| 89f1eb82 AP |
1437 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 13 |
| 1438 | &movz ($key,&LB("eax")); # 6 | |
| 53154d71 | 1439 | &shl ($acc,8); # 13 |
| 89f1eb82 | 1440 | &movd ("eax","mm2"); # 3, 2, 5, 4 |
| 53154d71 | 1441 | &or ("ecx",$acc); # 13 |
| 22c268e6 | 1442 | |
| 89f1eb82 AP |
1443 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 6 |
| 1444 | &movz ($key,&LB("ebx")); # 12 | |
| 1445 | &shl ($acc,16); # 6 | |
| 22c268e6 | 1446 | &movd ("ebx","mm6"); # 9, 8,15,14 |
| 89f1eb82 AP |
1447 | &movd ("mm0","ecx"); # t[0] collected |
| 1448 | &movz ("ecx",&BP(-128,$tbl,$key,1)); # 12 | |
| 1449 | &movz ($key,&LB("eax")); # 4 | |
| 53154d71 AP |
1450 | &or ("ecx",$acc); # 12 |
| 1451 | ||
| 89f1eb82 AP |
1452 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 4 |
| 1453 | &movz ($key,&LB("ebx")); # 14 | |
| 53154d71 | 1454 | &or ("edx",$acc); # 4 |
| 89f1eb82 AP |
1455 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 14 |
| 1456 | &movz ($key,&HB("eax")); # 5 | |
| 53154d71 | 1457 | &shl ($acc,16); # 14 |
| 89f1eb82 | 1458 | &shr ("eax",16); # 3, 2 |
| 53154d71 | 1459 | &or ("edx",$acc); # 14 |
| 22c268e6 | 1460 | |
| 89f1eb82 AP |
1461 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 5 |
| 1462 | &movz ($key,&HB("ebx")); # 15 | |
| 22c268e6 | 1463 | &shr ("ebx",16); # 9, 8 |
| 89f1eb82 AP |
1464 | &shl ($acc,8); # 5 |
| 1465 | &movd ("mm1","edx"); # t[1] collected | |
| 1466 | &movz ("edx",&BP(-128,$tbl,$key,1)); # 15 | |
| 1467 | &movz ($key,&HB("ebx")); # 9 | |
| 1468 | &shl ("edx",24); # 15 | |
| 1469 | &and ("ebx",0xff); # 8 | |
| 1470 | &or ("edx",$acc); # 15 | |
| 22c268e6 AP |
1471 | |
| 1472 | &punpckldq ("mm0","mm1"); # t[0,1] collected | |
| 1473 | ||
| 89f1eb82 AP |
1474 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 9 |
| 1475 | &movz ($key,&LB("eax")); # 2 | |
| 53154d71 | 1476 | &shl ($acc,8); # 9 |
| 89f1eb82 | 1477 | &movz ("eax",&HB("eax")); # 3 |
| 53154d71 | 1478 | &movz ("ebx",&BP(-128,$tbl,"ebx",1)); # 8 |
| 89f1eb82 AP |
1479 | &or ("ecx",$acc); # 9 |
| 1480 | &movz ($acc,&BP(-128,$tbl,$key,1)); # 2 | |
| 22c268e6 | 1481 | &or ("edx","ebx"); # 8 |
| 53154d71 | 1482 | &shl ($acc,16); # 2 |
| 53154d71 | 1483 | &movz ("eax",&BP(-128,$tbl,"eax",1)); # 3 |
| 89f1eb82 | 1484 | &or ("edx",$acc); # 2 |
| 22c268e6 AP |
1485 | &shl ("eax",24); # 3 |
| 1486 | &or ("ecx","eax"); # 3 | |
| 89f1eb82 AP |
1487 | &mov ($key,$__key); |
| 1488 | &movd ("mm4","edx"); # t[2] collected | |
| 22c268e6 AP |
1489 | &movd ("mm5","ecx"); # t[3] collected |
| 1490 | ||
| 1491 | &punpckldq ("mm4","mm5"); # t[2,3] collected | |
| 1492 | } | |
| 1493 | ||
| 6c69aa53 | 1494 | if (!$x86only) { |
| fc924142 | 1495 | &function_begin_B("_sse_AES_decrypt_compact"); |
| 22c268e6 AP |
1496 | &pxor ("mm0",&QWP(0,$key)); # 7, 6, 5, 4, 3, 2, 1, 0 |
| 1497 | &pxor ("mm4",&QWP(8,$key)); # 15,14,13,12,11,10, 9, 8 | |
| 1498 | ||
| 1499 | # note that caller is expected to allocate stack frame for me! | |
| 1500 | &mov ($acc,&DWP(240,$key)); # load key->rounds | |
| 1501 | &lea ($acc,&DWP(-2,$acc,$acc)); | |
| 1502 | &lea ($acc,&DWP(0,$key,$acc,8)); | |
| 6c69aa53 | 1503 | &mov ($__end,$acc); # end of key schedule |
| 22c268e6 AP |
1504 | |
| 1505 | &mov ($s0,0x1b1b1b1b); # magic constant | |
| 1506 | &mov (&DWP(8,"esp"),$s0); | |
| 1507 | &mov (&DWP(12,"esp"),$s0); | |
| 1508 | ||
| 1509 | # prefetch Td4 | |
| 1510 | &mov ($s0,&DWP(0-128,$tbl)); | |
| 1511 | &mov ($s1,&DWP(32-128,$tbl)); | |
| 1512 | &mov ($s2,&DWP(64-128,$tbl)); | |
| 1513 | &mov ($s3,&DWP(96-128,$tbl)); | |
| 1514 | &mov ($s0,&DWP(128-128,$tbl)); | |
| 1515 | &mov ($s1,&DWP(160-128,$tbl)); | |
| 1516 | &mov ($s2,&DWP(192-128,$tbl)); | |
| 1517 | &mov ($s3,&DWP(224-128,$tbl)); | |
| 1518 | ||
| 22c268e6 | 1519 | &set_label("loop",16); |
| fc924142 | 1520 | &sse_deccompact(); |
| 22c268e6 | 1521 | &add ($key,16); |
| 6c69aa53 | 1522 | &cmp ($key,$__end); |
| 22c268e6 AP |
1523 | &ja (&label("out")); |
| 1524 | ||
| 1525 | # ROTATE(x^y,N) == ROTATE(x,N)^ROTATE(y,N) | |
| 1526 | &movq ("mm3","mm0"); &movq ("mm7","mm4"); | |
| 1527 | &movq ("mm2","mm0",1); &movq ("mm6","mm4",1); | |
| 1528 | &movq ("mm1","mm0"); &movq ("mm5","mm4"); | |
| 1529 | &pshufw ("mm0","mm0",0xb1); &pshufw ("mm4","mm4",0xb1);# = ROTATE(tp0,16) | |
| 1530 | &pslld ("mm2",8); &pslld ("mm6",8); | |
| 1531 | &psrld ("mm3",8); &psrld ("mm7",8); | |
| 1532 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); # ^= tp0<<8 | |
| 1533 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= tp0>>8 | |
| 1534 | &pslld ("mm2",16); &pslld ("mm6",16); | |
| 1535 | &psrld ("mm3",16); &psrld ("mm7",16); | |
| 1536 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); # ^= tp0<<24 | |
| 1537 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= tp0>>24 | |
| 1538 | ||
| 1539 | &movq ("mm3",&QWP(8,"esp")); | |
| 1540 | &pxor ("mm2","mm2"); &pxor ("mm6","mm6"); | |
| 1541 | &pcmpgtb("mm2","mm1"); &pcmpgtb("mm6","mm5"); | |
| 1542 | &pand ("mm2","mm3"); &pand ("mm6","mm3"); | |
| 1543 | &paddb ("mm1","mm1"); &paddb ("mm5","mm5"); | |
| 1544 | &pxor ("mm1","mm2"); &pxor ("mm5","mm6"); # tp2 | |
| 1545 | &movq ("mm3","mm1"); &movq ("mm7","mm5"); | |
| 1546 | &movq ("mm2","mm1"); &movq ("mm6","mm5"); | |
| 1547 | &pxor ("mm0","mm1"); &pxor ("mm4","mm5"); # ^= tp2 | |
| 1548 | &pslld ("mm3",24); &pslld ("mm7",24); | |
| 1549 | &psrld ("mm2",8); &psrld ("mm6",8); | |
| 1550 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= tp2<<24 | |
| 1551 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); # ^= tp2>>8 | |
| 1552 | ||
| 1553 | &movq ("mm2",&QWP(8,"esp")); | |
| 1554 | &pxor ("mm3","mm3"); &pxor ("mm7","mm7"); | |
| 1555 | &pcmpgtb("mm3","mm1"); &pcmpgtb("mm7","mm5"); | |
| 1556 | &pand ("mm3","mm2"); &pand ("mm7","mm2"); | |
| 1557 | &paddb ("mm1","mm1"); &paddb ("mm5","mm5"); | |
| 1558 | &pxor ("mm1","mm3"); &pxor ("mm5","mm7"); # tp4 | |
| 1559 | &pshufw ("mm3","mm1",0xb1); &pshufw ("mm7","mm5",0xb1); | |
| 1560 | &pxor ("mm0","mm1"); &pxor ("mm4","mm5"); # ^= tp4 | |
| 609b0852 | 1561 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= ROTATE(tp4,16) |
| 22c268e6 AP |
1562 | |
| 1563 | &pxor ("mm3","mm3"); &pxor ("mm7","mm7"); | |
| 1564 | &pcmpgtb("mm3","mm1"); &pcmpgtb("mm7","mm5"); | |
| 1565 | &pand ("mm3","mm2"); &pand ("mm7","mm2"); | |
| 1566 | &paddb ("mm1","mm1"); &paddb ("mm5","mm5"); | |
| 1567 | &pxor ("mm1","mm3"); &pxor ("mm5","mm7"); # tp8 | |
| 1568 | &pxor ("mm0","mm1"); &pxor ("mm4","mm5"); # ^= tp8 | |
| 1569 | &movq ("mm3","mm1"); &movq ("mm7","mm5"); | |
| 1570 | &pshufw ("mm2","mm1",0xb1); &pshufw ("mm6","mm5",0xb1); | |
| 1571 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); # ^= ROTATE(tp8,16) | |
| 1572 | &pslld ("mm1",8); &pslld ("mm5",8); | |
| 1573 | &psrld ("mm3",8); &psrld ("mm7",8); | |
| fc924142 | 1574 | &movq ("mm2",&QWP(0,$key)); &movq ("mm6",&QWP(8,$key)); |
| 22c268e6 AP |
1575 | &pxor ("mm0","mm1"); &pxor ("mm4","mm5"); # ^= tp8<<8 |
| 1576 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= tp8>>8 | |
| fc924142 | 1577 | &mov ($s0,&DWP(0-128,$tbl)); |
| 22c268e6 | 1578 | &pslld ("mm1",16); &pslld ("mm5",16); |
| fc924142 | 1579 | &mov ($s1,&DWP(64-128,$tbl)); |
| 22c268e6 | 1580 | &psrld ("mm3",16); &psrld ("mm7",16); |
| fc924142 | 1581 | &mov ($s2,&DWP(128-128,$tbl)); |
| 22c268e6 | 1582 | &pxor ("mm0","mm1"); &pxor ("mm4","mm5"); # ^= tp8<<24 |
| fc924142 | 1583 | &mov ($s3,&DWP(192-128,$tbl)); |
| 22c268e6 AP |
1584 | &pxor ("mm0","mm3"); &pxor ("mm4","mm7"); # ^= tp8>>24 |
| 1585 | ||
| 1586 | &pxor ("mm0","mm2"); &pxor ("mm4","mm6"); | |
| 1587 | &jmp (&label("loop")); | |
| 1588 | ||
| 1589 | &set_label("out",16); | |
| 1590 | &pxor ("mm0",&QWP(0,$key)); | |
| 1591 | &pxor ("mm4",&QWP(8,$key)); | |
| 1592 | ||
| 1593 | &ret (); | |
| fc924142 | 1594 | &function_end_B("_sse_AES_decrypt_compact"); |
| 6c69aa53 | 1595 | } |
| 22c268e6 AP |
1596 | |
| 1597 | ###################################################################### | |
| 1598 | # Vanilla block function. | |
| 1599 | ###################################################################### | |
| 1600 | ||
| 1601 | sub decstep() | |
| 1602 | { my ($i,$td,@s) = @_; | |
| 1603 | my $tmp = $key; | |
| 1604 | my $out = $i==3?$s[0]:$acc; | |
| 1605 | ||
| 1606 | # no instructions are reordered, as performance appears | |
| 1607 | # optimal... or rather that all attempts to reorder didn't | |
| 1608 | # result in better performance [which by the way is not a | |
| 46f4e1be | 1609 | # bit lower than encryption]. |
| 6c69aa53 | 1610 | if($i==3) { &mov ($key,$__key); } |
| 22c268e6 AP |
1611 | else { &mov ($out,$s[0]); } |
| 1612 | &and ($out,0xFF); | |
| 1613 | &mov ($out,&DWP(0,$td,$out,8)); | |
| 1614 | ||
| 1615 | if ($i==3) { $tmp=$s[1]; } | |
| 1616 | &movz ($tmp,&HB($s[1])); | |
| 1617 | &xor ($out,&DWP(3,$td,$tmp,8)); | |
| 1618 | ||
| 1619 | if ($i==3) { $tmp=$s[2]; &mov ($s[1],$acc); } | |
| 1620 | else { &mov ($tmp,$s[2]); } | |
| 1621 | &shr ($tmp,16); | |
| 1622 | &and ($tmp,0xFF); | |
| 1623 | &xor ($out,&DWP(2,$td,$tmp,8)); | |
| 1624 | ||
| 6c69aa53 | 1625 | if ($i==3) { $tmp=$s[3]; &mov ($s[2],$__s1); } |
| 22c268e6 AP |
1626 | else { &mov ($tmp,$s[3]); } |
| 1627 | &shr ($tmp,24); | |
| 1628 | &xor ($out,&DWP(1,$td,$tmp,8)); | |
| 1629 | if ($i<2) { &mov (&DWP(4+4*$i,"esp"),$out); } | |
| 6c69aa53 | 1630 | if ($i==3) { &mov ($s[3],$__s0); } |
| 22c268e6 AP |
1631 | &comment(); |
| 1632 | } | |
| 1633 | ||
| 1634 | sub declast() | |
| 1635 | { my ($i,$td,@s)=@_; | |
| 1636 | my $tmp = $key; | |
| 1637 | my $out = $i==3?$s[0]:$acc; | |
| 1638 | ||
| 1639 | if($i==0) { &lea ($td,&DWP(2048+128,$td)); | |
| 1640 | &mov ($tmp,&DWP(0-128,$td)); | |
| 1641 | &mov ($acc,&DWP(32-128,$td)); | |
| 1642 | &mov ($tmp,&DWP(64-128,$td)); | |
| 1643 | &mov ($acc,&DWP(96-128,$td)); | |
| 1644 | &mov ($tmp,&DWP(128-128,$td)); | |
| 1645 | &mov ($acc,&DWP(160-128,$td)); | |
| 1646 | &mov ($tmp,&DWP(192-128,$td)); | |
| 1647 | &mov ($acc,&DWP(224-128,$td)); | |
| 1648 | &lea ($td,&DWP(-128,$td)); } | |
| 6c69aa53 | 1649 | if($i==3) { &mov ($key,$__key); } |
| 22c268e6 AP |
1650 | else { &mov ($out,$s[0]); } |
| 1651 | &and ($out,0xFF); | |
| 53154d71 | 1652 | &movz ($out,&BP(0,$td,$out,1)); |
| 22c268e6 AP |
1653 | |
| 1654 | if ($i==3) { $tmp=$s[1]; } | |
| 1655 | &movz ($tmp,&HB($s[1])); | |
| 53154d71 | 1656 | &movz ($tmp,&BP(0,$td,$tmp,1)); |
| 22c268e6 AP |
1657 | &shl ($tmp,8); |
| 1658 | &xor ($out,$tmp); | |
| 1659 | ||
| 1660 | if ($i==3) { $tmp=$s[2]; &mov ($s[1],$acc); } | |
| 1661 | else { mov ($tmp,$s[2]); } | |
| 1662 | &shr ($tmp,16); | |
| 1663 | &and ($tmp,0xFF); | |
| 53154d71 | 1664 | &movz ($tmp,&BP(0,$td,$tmp,1)); |
| 22c268e6 AP |
1665 | &shl ($tmp,16); |
| 1666 | &xor ($out,$tmp); | |
| 1667 | ||
| 6c69aa53 | 1668 | if ($i==3) { $tmp=$s[3]; &mov ($s[2],$__s1); } |
| 22c268e6 AP |
1669 | else { &mov ($tmp,$s[3]); } |
| 1670 | &shr ($tmp,24); | |
| 53154d71 | 1671 | &movz ($tmp,&BP(0,$td,$tmp,1)); |
| 22c268e6 AP |
1672 | &shl ($tmp,24); |
| 1673 | &xor ($out,$tmp); | |
| 1674 | if ($i<2) { &mov (&DWP(4+4*$i,"esp"),$out); } | |
| 6c69aa53 | 1675 | if ($i==3) { &mov ($s[3],$__s0); |
| 22c268e6 AP |
1676 | &lea ($td,&DWP(-2048,$td)); } |
| 1677 | } | |
| 1678 | ||
| 22c268e6 AP |
1679 | &function_begin_B("_x86_AES_decrypt"); |
| 1680 | # note that caller is expected to allocate stack frame for me! | |
| 6c69aa53 | 1681 | &mov ($__key,$key); # save key |
| 22c268e6 AP |
1682 | |
| 1683 | &xor ($s0,&DWP(0,$key)); # xor with key | |
| 1684 | &xor ($s1,&DWP(4,$key)); | |
| 1685 | &xor ($s2,&DWP(8,$key)); | |
| 1686 | &xor ($s3,&DWP(12,$key)); | |
| 1687 | ||
| e7e11507 | 1688 | &mov ($acc,&DWP(240,$key)); # load key->rounds |
| 71314710 AP |
1689 | |
| 1690 | if ($small_footprint) { | |
| e7e11507 AP |
1691 | &lea ($acc,&DWP(-2,$acc,$acc)); |
| 1692 | &lea ($acc,&DWP(0,$key,$acc,8)); | |
| 6c69aa53 | 1693 | &mov ($__end,$acc); # end of key schedule |
| 22c268e6 AP |
1694 | &set_label("loop",16); |
| 1695 | &decstep(0,$tbl,$s0,$s3,$s2,$s1); | |
| 1696 | &decstep(1,$tbl,$s1,$s0,$s3,$s2); | |
| 1697 | &decstep(2,$tbl,$s2,$s1,$s0,$s3); | |
| 1698 | &decstep(3,$tbl,$s3,$s2,$s1,$s0); | |
| 04d0d0ac | 1699 | &add ($key,16); # advance rd_key |
| e7e11507 AP |
1700 | &xor ($s0,&DWP(0,$key)); |
| 1701 | &xor ($s1,&DWP(4,$key)); | |
| 1702 | &xor ($s2,&DWP(8,$key)); | |
| 1703 | &xor ($s3,&DWP(12,$key)); | |
| 6c69aa53 AP |
1704 | &cmp ($key,$__end); |
| 1705 | &mov ($__key,$key); | |
| 71314710 AP |
1706 | &jb (&label("loop")); |
| 1707 | } | |
| 1708 | else { | |
| e7e11507 | 1709 | &cmp ($acc,10); |
| 71314710 | 1710 | &jle (&label("10rounds")); |
| e7e11507 | 1711 | &cmp ($acc,12); |
| 71314710 AP |
1712 | &jle (&label("12rounds")); |
| 1713 | ||
| 22c268e6 AP |
1714 | &set_label("14rounds",4); |
| 1715 | for ($i=1;$i<3;$i++) { | |
| 1716 | &decstep(0,$tbl,$s0,$s3,$s2,$s1); | |
| 1717 | &decstep(1,$tbl,$s1,$s0,$s3,$s2); | |
| 1718 | &decstep(2,$tbl,$s2,$s1,$s0,$s3); | |
| 1719 | &decstep(3,$tbl,$s3,$s2,$s1,$s0); | |
| e7e11507 AP |
1720 | &xor ($s0,&DWP(16*$i+0,$key)); |
| 1721 | &xor ($s1,&DWP(16*$i+4,$key)); | |
| 1722 | &xor ($s2,&DWP(16*$i+8,$key)); | |
| 1723 | &xor ($s3,&DWP(16*$i+12,$key)); | |
| 71314710 | 1724 | } |
| e7e11507 | 1725 | &add ($key,32); |
| 6c69aa53 | 1726 | &mov ($__key,$key); # advance rd_key |
| 22c268e6 AP |
1727 | &set_label("12rounds",4); |
| 1728 | for ($i=1;$i<3;$i++) { | |
| 1729 | &decstep(0,$tbl,$s0,$s3,$s2,$s1); | |
| 1730 | &decstep(1,$tbl,$s1,$s0,$s3,$s2); | |
| 1731 | &decstep(2,$tbl,$s2,$s1,$s0,$s3); | |
| 1732 | &decstep(3,$tbl,$s3,$s2,$s1,$s0); | |
| e7e11507 AP |
1733 | &xor ($s0,&DWP(16*$i+0,$key)); |
| 1734 | &xor ($s1,&DWP(16*$i+4,$key)); | |
| 1735 | &xor ($s2,&DWP(16*$i+8,$key)); | |
| 1736 | &xor ($s3,&DWP(16*$i+12,$key)); | |
| 71314710 | 1737 | } |
| e7e11507 | 1738 | &add ($key,32); |
| 6c69aa53 | 1739 | &mov ($__key,$key); # advance rd_key |
| 22c268e6 AP |
1740 | &set_label("10rounds",4); |
| 1741 | for ($i=1;$i<10;$i++) { | |
| 1742 | &decstep(0,$tbl,$s0,$s3,$s2,$s1); | |
| 1743 | &decstep(1,$tbl,$s1,$s0,$s3,$s2); | |
| 1744 | &decstep(2,$tbl,$s2,$s1,$s0,$s3); | |
| 1745 | &decstep(3,$tbl,$s3,$s2,$s1,$s0); | |
| e7e11507 AP |
1746 | &xor ($s0,&DWP(16*$i+0,$key)); |
| 1747 | &xor ($s1,&DWP(16*$i+4,$key)); | |
| 1748 | &xor ($s2,&DWP(16*$i+8,$key)); | |
| 1749 | &xor ($s3,&DWP(16*$i+12,$key)); | |
| 71314710 AP |
1750 | } |
| 1751 | } | |
| 1752 | ||
| 22c268e6 AP |
1753 | &declast(0,$tbl,$s0,$s3,$s2,$s1); |
| 1754 | &declast(1,$tbl,$s1,$s0,$s3,$s2); | |
| 1755 | &declast(2,$tbl,$s2,$s1,$s0,$s3); | |
| 1756 | &declast(3,$tbl,$s3,$s2,$s1,$s0); | |
| 71314710 | 1757 | |
| e7e11507 AP |
1758 | &add ($key,$small_footprint?16:160); |
| 1759 | &xor ($s0,&DWP(0,$key)); | |
| 1760 | &xor ($s1,&DWP(4,$key)); | |
| 1761 | &xor ($s2,&DWP(8,$key)); | |
| 1762 | &xor ($s3,&DWP(12,$key)); | |
| 1763 | ||
| 71314710 AP |
1764 | &ret (); |
| 1765 | ||
| fc924142 | 1766 | &set_label("AES_Td",64); # Yes! I keep it in the code segment! |
| c8d5c71a AP |
1767 | &_data_word(0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a); |
| 1768 | &_data_word(0xcb6bab3b, 0xf1459d1f, 0xab58faac, 0x9303e34b); | |
| 1769 | &_data_word(0x55fa3020, 0xf66d76ad, 0x9176cc88, 0x254c02f5); | |
| 1770 | &_data_word(0xfcd7e54f, 0xd7cb2ac5, 0x80443526, 0x8fa362b5); | |
| 1771 | &_data_word(0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d); | |
| 1772 | &_data_word(0x02752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b); | |
| 1773 | &_data_word(0xe75f8f03, 0x959c9215, 0xeb7a6dbf, 0xda595295); | |
| 1774 | &_data_word(0x2d83bed4, 0xd3217458, 0x2969e049, 0x44c8c98e); | |
| 1775 | &_data_word(0x6a89c275, 0x78798ef4, 0x6b3e5899, 0xdd71b927); | |
| 1776 | &_data_word(0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d); | |
| 1777 | &_data_word(0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362); | |
| 1778 | &_data_word(0xe07764b1, 0x84ae6bbb, 0x1ca081fe, 0x942b08f9); | |
| 1779 | &_data_word(0x58684870, 0x19fd458f, 0x876cde94, 0xb7f87b52); | |
| 1780 | &_data_word(0x23d373ab, 0xe2024b72, 0x578f1fe3, 0x2aab5566); | |
| 1781 | &_data_word(0x0728ebb2, 0x03c2b52f, 0x9a7bc586, 0xa50837d3); | |
| 1782 | &_data_word(0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed); | |
| 1783 | &_data_word(0x2b1ccf8a, 0x92b479a7, 0xf0f207f3, 0xa1e2694e); | |
| 1784 | &_data_word(0xcdf4da65, 0xd5be0506, 0x1f6234d1, 0x8afea6c4); | |
| 1785 | &_data_word(0x9d532e34, 0xa055f3a2, 0x32e18a05, 0x75ebf6a4); | |
| 1786 | &_data_word(0x39ec830b, 0xaaef6040, 0x069f715e, 0x51106ebd); | |
| 1787 | &_data_word(0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d); | |
| 1788 | &_data_word(0xb58d5491, 0x055dc471, 0x6fd40604, 0xff155060); | |
| 1789 | &_data_word(0x24fb9819, 0x97e9bdd6, 0xcc434089, 0x779ed967); | |
| 1790 | &_data_word(0xbd42e8b0, 0x888b8907, 0x385b19e7, 0xdbeec879); | |
| 1791 | &_data_word(0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x00000000); | |
| 1792 | &_data_word(0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c); | |
| 1793 | &_data_word(0xfbff0efd, 0x5638850f, 0x1ed5ae3d, 0x27392d36); | |
| 1794 | &_data_word(0x64d90f0a, 0x21a65c68, 0xd1545b9b, 0x3a2e3624); | |
| 1795 | &_data_word(0xb1670a0c, 0x0fe75793, 0xd296eeb4, 0x9e919b1b); | |
| 1796 | &_data_word(0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c); | |
| 1797 | &_data_word(0x0aba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12); | |
| 1798 | &_data_word(0x0b0d090e, 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14); | |
| 1799 | &_data_word(0x8519f157, 0x4c0775af, 0xbbdd99ee, 0xfd607fa3); | |
| 1800 | &_data_word(0x9f2601f7, 0xbcf5725c, 0xc53b6644, 0x347efb5b); | |
| 1801 | &_data_word(0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8); | |
| 1802 | &_data_word(0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684); | |
| 1803 | &_data_word(0x7d244a85, 0xf83dbbd2, 0x1132f9ae, 0x6da129c7); | |
| 1804 | &_data_word(0x4b2f9e1d, 0xf330b2dc, 0xec52860d, 0xd0e3c177); | |
| 1805 | &_data_word(0x6c16b32b, 0x99b970a9, 0xfa489411, 0x2264e947); | |
| 1806 | &_data_word(0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322); | |
| 1807 | &_data_word(0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498); | |
| 1808 | &_data_word(0xcf81f5a6, 0x28de7aa5, 0x268eb7da, 0xa4bfad3f); | |
| 1809 | &_data_word(0xe49d3a2c, 0x0d927850, 0x9bcc5f6a, 0x62467e54); | |
| 1810 | &_data_word(0xc2138df6, 0xe8b8d890, 0x5ef7392e, 0xf5afc382); | |
| 1811 | &_data_word(0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf); | |
| 1812 | &_data_word(0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb); | |
| 1813 | &_data_word(0x097826cd, 0xf418596e, 0x01b79aec, 0xa89a4f83); | |
| 1814 | &_data_word(0x656e95e6, 0x7ee6ffaa, 0x08cfbc21, 0xe6e815ef); | |
| 1815 | &_data_word(0xd99be7ba, 0xce366f4a, 0xd4099fea, 0xd67cb029); | |
| 1816 | &_data_word(0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235); | |
| 1817 | &_data_word(0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733); | |
| 1818 | &_data_word(0x4a9804f1, 0xf7daec41, 0x0e50cd7f, 0x2ff69117); | |
| 1819 | &_data_word(0x8dd64d76, 0x4db0ef43, 0x544daacc, 0xdf0496e4); | |
| 1820 | &_data_word(0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, 0x7f516546); | |
| 1821 | &_data_word(0x04ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb); | |
| 1822 | &_data_word(0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d); | |
| 1823 | &_data_word(0x8c61d79a, 0x7a0ca137, 0x8e14f859, 0x893c13eb); | |
| 1824 | &_data_word(0xee27a9ce, 0x35c961b7, 0xede51ce1, 0x3cb1477a); | |
| 1825 | &_data_word(0x59dfd29c, 0x3f73f255, 0x79ce1418, 0xbf37c773); | |
| 1826 | &_data_word(0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478); | |
| 1827 | &_data_word(0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2); | |
| 1828 | &_data_word(0x72c31d16, 0x0c25e2bc, 0x8b493c28, 0x41950dff); | |
| 1829 | &_data_word(0x7101a839, 0xdeb30c08, 0x9ce4b4d8, 0x90c15664); | |
| 1830 | &_data_word(0x6184cb7b, 0x70b632d5, 0x745c6c48, 0x4257b8d0); | |
| 22c268e6 AP |
1831 | |
| 1832 | #Td4: # four copies of Td4 to choose from to avoid L1 aliasing | |
| 1833 | &data_byte(0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38); | |
| 1834 | &data_byte(0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb); | |
| 1835 | &data_byte(0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87); | |
| 1836 | &data_byte(0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb); | |
| 1837 | &data_byte(0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d); | |
| 1838 | &data_byte(0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e); | |
| 1839 | &data_byte(0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2); | |
| 1840 | &data_byte(0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25); | |
| 1841 | &data_byte(0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16); | |
| 1842 | &data_byte(0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92); | |
| 1843 | &data_byte(0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda); | |
| 1844 | &data_byte(0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84); | |
| 1845 | &data_byte(0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a); | |
| 1846 | &data_byte(0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06); | |
| 1847 | &data_byte(0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02); | |
| 1848 | &data_byte(0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b); | |
| 1849 | &data_byte(0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea); | |
| 1850 | &data_byte(0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73); | |
| 1851 | &data_byte(0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85); | |
| 1852 | &data_byte(0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e); | |
| 1853 | &data_byte(0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89); | |
| 1854 | &data_byte(0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b); | |
| 1855 | &data_byte(0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20); | |
| 1856 | &data_byte(0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4); | |
| 1857 | &data_byte(0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31); | |
| 1858 | &data_byte(0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f); | |
| 1859 | &data_byte(0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d); | |
| 1860 | &data_byte(0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef); | |
| 1861 | &data_byte(0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0); | |
| 1862 | &data_byte(0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61); | |
| 1863 | &data_byte(0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26); | |
| 1864 | &data_byte(0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d); | |
| 1865 | ||
| 1866 | &data_byte(0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38); | |
| 1867 | &data_byte(0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb); | |
| 1868 | &data_byte(0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87); | |
| 1869 | &data_byte(0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb); | |
| 1870 | &data_byte(0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d); | |
| 1871 | &data_byte(0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e); | |
| 1872 | &data_byte(0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2); | |
| 1873 | &data_byte(0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25); | |
| 1874 | &data_byte(0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16); | |
| 1875 | &data_byte(0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92); | |
| 1876 | &data_byte(0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda); | |
| 1877 | &data_byte(0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84); | |
| 1878 | &data_byte(0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a); | |
| 1879 | &data_byte(0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06); | |
| 1880 | &data_byte(0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02); | |
| 1881 | &data_byte(0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b); | |
| 1882 | &data_byte(0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea); | |
| 1883 | &data_byte(0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73); | |
| 1884 | &data_byte(0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85); | |
| 1885 | &data_byte(0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e); | |
| 1886 | &data_byte(0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89); | |
| 1887 | &data_byte(0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b); | |
| 1888 | &data_byte(0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20); | |
| 1889 | &data_byte(0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4); | |
| 1890 | &data_byte(0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31); | |
| 1891 | &data_byte(0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f); | |
| 1892 | &data_byte(0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d); | |
| 1893 | &data_byte(0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef); | |
| 1894 | &data_byte(0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0); | |
| 1895 | &data_byte(0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61); | |
| 1896 | &data_byte(0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26); | |
| 1897 | &data_byte(0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d); | |
| 1898 | ||
| 1899 | &data_byte(0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38); | |
| 1900 | &data_byte(0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb); | |
| 1901 | &data_byte(0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87); | |
| 1902 | &data_byte(0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb); | |
| 1903 | &data_byte(0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d); | |
| 1904 | &data_byte(0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e); | |
| 1905 | &data_byte(0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2); | |
| 1906 | &data_byte(0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25); | |
| 1907 | &data_byte(0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16); | |
| 1908 | &data_byte(0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92); | |
| 1909 | &data_byte(0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda); | |
| 1910 | &data_byte(0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84); | |
| 1911 | &data_byte(0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a); | |
| 1912 | &data_byte(0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06); | |
| 1913 | &data_byte(0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02); | |
| 1914 | &data_byte(0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b); | |
| 1915 | &data_byte(0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea); | |
| 1916 | &data_byte(0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73); | |
| 1917 | &data_byte(0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85); | |
| 1918 | &data_byte(0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e); | |
| 1919 | &data_byte(0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89); | |
| 1920 | &data_byte(0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b); | |
| 1921 | &data_byte(0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20); | |
| 1922 | &data_byte(0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4); | |
| 1923 | &data_byte(0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31); | |
| 1924 | &data_byte(0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f); | |
| 1925 | &data_byte(0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d); | |
| 1926 | &data_byte(0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef); | |
| 1927 | &data_byte(0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0); | |
| 1928 | &data_byte(0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61); | |
| 1929 | &data_byte(0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26); | |
| 1930 | &data_byte(0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d); | |
| 1931 | ||
| 9598fa87 AP |
1932 | &data_byte(0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38); |
| 1933 | &data_byte(0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb); | |
| 1934 | &data_byte(0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87); | |
| 1935 | &data_byte(0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb); | |
| 1936 | &data_byte(0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d); | |
| 1937 | &data_byte(0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e); | |
| 1938 | &data_byte(0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2); | |
| 1939 | &data_byte(0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25); | |
| 1940 | &data_byte(0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16); | |
| 1941 | &data_byte(0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92); | |
| 1942 | &data_byte(0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda); | |
| 1943 | &data_byte(0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84); | |
| 1944 | &data_byte(0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a); | |
| 1945 | &data_byte(0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06); | |
| 1946 | &data_byte(0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02); | |
| 1947 | &data_byte(0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b); | |
| 1948 | &data_byte(0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea); | |
| 1949 | &data_byte(0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73); | |
| 1950 | &data_byte(0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85); | |
| 1951 | &data_byte(0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e); | |
| 1952 | &data_byte(0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89); | |
| 1953 | &data_byte(0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b); | |
| 1954 | &data_byte(0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20); | |
| 1955 | &data_byte(0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4); | |
| 1956 | &data_byte(0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31); | |
| 1957 | &data_byte(0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f); | |
| 1958 | &data_byte(0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d); | |
| 1959 | &data_byte(0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef); | |
| 1960 | &data_byte(0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0); | |
| 1961 | &data_byte(0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61); | |
| 1962 | &data_byte(0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26); | |
| 1963 | &data_byte(0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d); | |
| addb6e16 AP |
1964 | &function_end_B("_x86_AES_decrypt"); |
| 1965 | ||
| 1966 | # void AES_decrypt (const void *inp,void *out,const AES_KEY *key); | |
| addb6e16 AP |
1967 | &function_begin("AES_decrypt"); |
| 1968 | &mov ($acc,&wparam(0)); # load inp | |
| 1969 | &mov ($key,&wparam(2)); # load key | |
| 1970 | ||
| 04d0d0ac | 1971 | &mov ($s0,"esp"); |
| af8c1d81 | 1972 | &sub ("esp",36); |
| 22c268e6 AP |
1973 | &and ("esp",-64); # align to cache-line |
| 1974 | ||
| 1975 | # place stack frame just "above" the key schedule | |
| 1976 | &lea ($s1,&DWP(-64-63,$key)); | |
| 1977 | &sub ($s1,"esp"); | |
| 1978 | &neg ($s1); | |
| 1979 | &and ($s1,0x3C0); # modulo 1024, but aligned to cache-line | |
| 1980 | &sub ("esp",$s1); | |
| 1981 | &add ("esp",4); # 4 is reserved for caller's return address | |
| 6c69aa53 | 1982 | &mov ($_esp,$s0); # save stack pointer |
| 04d0d0ac | 1983 | |
| addb6e16 AP |
1984 | &call (&label("pic_point")); # make it PIC! |
| 1985 | &set_label("pic_point"); | |
| 22c268e6 | 1986 | &blindpop($tbl); |
| 6c69aa53 | 1987 | &picmeup($s0,"OPENSSL_ia32cap_P",$tbl,&label("pic_point")) if(!$x86only); |
| 22c268e6 | 1988 | &lea ($tbl,&DWP(&label("AES_Td")."-".&label("pic_point"),$tbl)); |
| 6c69aa53 | 1989 | |
| 22c268e6 | 1990 | # pick Td4 copy which can't "overlap" with stack frame or key schedule |
| fc924142 AP |
1991 | &lea ($s1,&DWP(768-4,"esp")); |
| 1992 | &sub ($s1,$tbl); | |
| 22c268e6 AP |
1993 | &and ($s1,0x300); |
| 1994 | &lea ($tbl,&DWP(2048+128,$tbl,$s1)); | |
| 1995 | ||
| 6c69aa53 AP |
1996 | if (!$x86only) { |
| 1997 | &bt (&DWP(0,$s0),25); # check for SSE bit | |
| fc924142 AP |
1998 | &jnc (&label("x86")); |
| 1999 | ||
| 2000 | &movq ("mm0",&QWP(0,$acc)); | |
| 2001 | &movq ("mm4",&QWP(8,$acc)); | |
| 2002 | &call ("_sse_AES_decrypt_compact"); | |
| 6c69aa53 | 2003 | &mov ("esp",$_esp); # restore stack pointer |
| fc924142 AP |
2004 | &mov ($acc,&wparam(1)); # load out |
| 2005 | &movq (&QWP(0,$acc),"mm0"); # write output data | |
| 2006 | &movq (&QWP(8,$acc),"mm4"); | |
| 2007 | &emms (); | |
| 2008 | &function_end_A(); | |
| 6c69aa53 | 2009 | } |
| fc924142 | 2010 | &set_label("x86",16); |
| 6c69aa53 | 2011 | &mov ($_tbl,$tbl); |
| addb6e16 AP |
2012 | &mov ($s0,&DWP(0,$acc)); # load input data |
| 2013 | &mov ($s1,&DWP(4,$acc)); | |
| 2014 | &mov ($s2,&DWP(8,$acc)); | |
| 2015 | &mov ($s3,&DWP(12,$acc)); | |
| 22c268e6 | 2016 | &call ("_x86_AES_decrypt_compact"); |
| 6c69aa53 | 2017 | &mov ("esp",$_esp); # restore stack pointer |
| addb6e16 AP |
2018 | &mov ($acc,&wparam(1)); # load out |
| 2019 | &mov (&DWP(0,$acc),$s0); # write output data | |
| 2020 | &mov (&DWP(4,$acc),$s1); | |
| 2021 | &mov (&DWP(8,$acc),$s2); | |
| 2022 | &mov (&DWP(12,$acc),$s3); | |
| 2023 | &function_end("AES_decrypt"); | |
| 2024 | ||
| 2025 | # void AES_cbc_encrypt (const void char *inp, unsigned char *out, | |
| 2026 | # size_t length, const AES_KEY *key, | |
| 04d0d0ac AP |
2027 | # unsigned char *ivp,const int enc); |
| 2028 | { | |
| 2029 | # stack frame layout | |
| 6c69aa53 | 2030 | # -4(%esp) # return address 0(%esp) |
| 609b0852 | 2031 | # 0(%esp) # s0 backing store 4(%esp) |
| 6c69aa53 AP |
2032 | # 4(%esp) # s1 backing store 8(%esp) |
| 2033 | # 8(%esp) # s2 backing store 12(%esp) | |
| 2034 | # 12(%esp) # s3 backing store 16(%esp) | |
| 2035 | # 16(%esp) # key backup 20(%esp) | |
| 2036 | # 20(%esp) # end of key schedule 24(%esp) | |
| 2037 | # 24(%esp) # %ebp backup 28(%esp) | |
| 2038 | # 28(%esp) # %esp backup | |
| 2039 | my $_inp=&DWP(32,"esp"); # copy of wparam(0) | |
| 2040 | my $_out=&DWP(36,"esp"); # copy of wparam(1) | |
| 2041 | my $_len=&DWP(40,"esp"); # copy of wparam(2) | |
| 2042 | my $_key=&DWP(44,"esp"); # copy of wparam(3) | |
| 2043 | my $_ivp=&DWP(48,"esp"); # copy of wparam(4) | |
| 2044 | my $_tmp=&DWP(52,"esp"); # volatile variable | |
| 2045 | # | |
| 2046 | my $ivec=&DWP(60,"esp"); # ivec[16] | |
| 2047 | my $aes_key=&DWP(76,"esp"); # copy of aes_key | |
| 2048 | my $mark=&DWP(76+240,"esp"); # copy of aes_key->rounds | |
| 04d0d0ac | 2049 | |
| addb6e16 AP |
2050 | &function_begin("AES_cbc_encrypt"); |
| 2051 | &mov ($s2 eq "ecx"? $s2 : "",&wparam(2)); # load len | |
| 2052 | &cmp ($s2,0); | |
| 6c69aa53 | 2053 | &je (&label("drop_out")); |
| addb6e16 | 2054 | |
| 04d0d0ac | 2055 | &call (&label("pic_point")); # make it PIC! |
| addb6e16 | 2056 | &set_label("pic_point"); |
| 22c268e6 | 2057 | &blindpop($tbl); |
| 6c69aa53 | 2058 | &picmeup($s0,"OPENSSL_ia32cap_P",$tbl,&label("pic_point")) if(!$x86only); |
| 3d5fd312 | 2059 | |
| addb6e16 | 2060 | &cmp (&wparam(5),0); |
| 22c268e6 | 2061 | &lea ($tbl,&DWP(&label("AES_Te")."-".&label("pic_point"),$tbl)); |
| 6c69aa53 AP |
2062 | &jne (&label("picked_te")); |
| 2063 | &lea ($tbl,&DWP(&label("AES_Td")."-".&label("AES_Te"),$tbl)); | |
| 2064 | &set_label("picked_te"); | |
| addb6e16 | 2065 | |
| 6c69aa53 AP |
2066 | # one can argue if this is required |
| 2067 | &pushf (); | |
| 2068 | &cld (); | |
| 04d0d0ac | 2069 | |
| 6c69aa53 AP |
2070 | &cmp ($s2,$speed_limit); |
| 2071 | &jb (&label("slow_way")); | |
| 2072 | &test ($s2,15); | |
| 2073 | &jnz (&label("slow_way")); | |
| 2074 | if (!$x86only) { | |
| 2075 | &bt (&DWP(0,$s0),28); # check for hyper-threading bit | |
| 2076 | &jc (&label("slow_way")); | |
| 2077 | } | |
| 2078 | # pre-allocate aligned stack frame... | |
| 2079 | &lea ($acc,&DWP(-80-244,"esp")); | |
| 2080 | &and ($acc,-64); | |
| 2081 | ||
| 2082 | # ... and make sure it doesn't alias with $tbl modulo 4096 | |
| 22c268e6 | 2083 | &mov ($s0,$tbl); |
| 6c69aa53 AP |
2084 | &lea ($s1,&DWP(2048+256,$tbl)); |
| 2085 | &mov ($s3,$acc); | |
| 3d5fd312 | 2086 | &and ($s0,0xfff); # s = %ebp&0xfff |
| 6c69aa53 | 2087 | &and ($s1,0xfff); # e = (%ebp+2048+256)&0xfff |
| 04d0d0ac AP |
2088 | &and ($s3,0xfff); # p = %esp&0xfff |
| 2089 | ||
| 3d5fd312 | 2090 | &cmp ($s3,$s1); # if (p>=e) %esp =- (p-e); |
| 6c69aa53 | 2091 | &jb (&label("tbl_break_out")); |
| 3d5fd312 | 2092 | &sub ($s3,$s1); |
| 6c69aa53 AP |
2093 | &sub ($acc,$s3); |
| 2094 | &jmp (&label("tbl_ok")); | |
| 2095 | &set_label("tbl_break_out",4); # else %esp -= (p-s)&0xfff + framesz; | |
| 3d5fd312 AP |
2096 | &sub ($s3,$s0); |
| 2097 | &and ($s3,0xfff); | |
| 6c69aa53 AP |
2098 | &add ($s3,384); |
| 2099 | &sub ($acc,$s3); | |
| 2100 | &set_label("tbl_ok",4); | |
| 04d0d0ac | 2101 | |
| 6c69aa53 AP |
2102 | &lea ($s3,&wparam(0)); # obtain pointer to parameter block |
| 2103 | &exch ("esp",$acc); # allocate stack frame | |
| 04d0d0ac | 2104 | &add ("esp",4); # reserve for return address! |
| 6c69aa53 AP |
2105 | &mov ($_tbl,$tbl); # save %ebp |
| 2106 | &mov ($_esp,$acc); # save %esp | |
| 2107 | ||
| 2108 | &mov ($s0,&DWP(0,$s3)); # load inp | |
| 2109 | &mov ($s1,&DWP(4,$s3)); # load out | |
| 2110 | #&mov ($s2,&DWP(8,$s3)); # load len | |
| 2111 | &mov ($key,&DWP(12,$s3)); # load key | |
| 2112 | &mov ($acc,&DWP(16,$s3)); # load ivp | |
| 2113 | &mov ($s3,&DWP(20,$s3)); # load enc flag | |
| 04d0d0ac AP |
2114 | |
| 2115 | &mov ($_inp,$s0); # save copy of inp | |
| 2116 | &mov ($_out,$s1); # save copy of out | |
| 2117 | &mov ($_len,$s2); # save copy of len | |
| 6c69aa53 | 2118 | &mov ($_key,$key); # save copy of key |
| 04d0d0ac AP |
2119 | &mov ($_ivp,$acc); # save copy of ivp |
| 2120 | ||
| a2806233 | 2121 | &mov ($mark,0); # copy of aes_key->rounds = 0; |
| a2806233 | 2122 | # do we copy key schedule to stack? |
| 6c69aa53 | 2123 | &mov ($s1 eq "ebx" ? $s1 : "",$key); |
| a2806233 | 2124 | &mov ($s2 eq "ecx" ? $s2 : "",244/4); |
| 22c268e6 | 2125 | &sub ($s1,$tbl); |
| 6c69aa53 | 2126 | &mov ("esi",$key); |
| a2806233 | 2127 | &and ($s1,0xfff); |
| 3d5fd312 | 2128 | &lea ("edi",$aes_key); |
| 6c69aa53 AP |
2129 | &cmp ($s1,2048+256); |
| 2130 | &jb (&label("do_copy")); | |
| a2806233 | 2131 | &cmp ($s1,4096-244); |
| 6c69aa53 AP |
2132 | &jb (&label("skip_copy")); |
| 2133 | &set_label("do_copy",4); | |
| a2806233 | 2134 | &mov ($_key,"edi"); |
| 4e28f132 | 2135 | &data_word(0xA5F3F689); # rep movsd |
| 6c69aa53 | 2136 | &set_label("skip_copy"); |
| 3d5fd312 | 2137 | |
| 22c268e6 | 2138 | &mov ($key,16); |
| 6c69aa53 | 2139 | &set_label("prefetch_tbl",4); |
| 22c268e6 AP |
2140 | &mov ($s0,&DWP(0,$tbl)); |
| 2141 | &mov ($s1,&DWP(32,$tbl)); | |
| 2142 | &mov ($s2,&DWP(64,$tbl)); | |
| 6c69aa53 | 2143 | &mov ($acc,&DWP(96,$tbl)); |
| 22c268e6 | 2144 | &lea ($tbl,&DWP(128,$tbl)); |
| 6c69aa53 AP |
2145 | &sub ($key,1); |
| 2146 | &jnz (&label("prefetch_tbl")); | |
| 22c268e6 | 2147 | &sub ($tbl,2048); |
| 04d0d0ac | 2148 | |
| 6c69aa53 | 2149 | &mov ($acc,$_inp); |
| 04d0d0ac | 2150 | &mov ($key,$_ivp); |
| addb6e16 | 2151 | |
| 6c69aa53 AP |
2152 | &cmp ($s3,0); |
| 2153 | &je (&label("fast_decrypt")); | |
| 2154 | ||
| 2155 | #----------------------------- ENCRYPT -----------------------------# | |
| addb6e16 AP |
2156 | &mov ($s0,&DWP(0,$key)); # load iv |
| 2157 | &mov ($s1,&DWP(4,$key)); | |
| 2158 | ||
| 6c69aa53 | 2159 | &set_label("fast_enc_loop",16); |
| addb6e16 AP |
2160 | &mov ($s2,&DWP(8,$key)); |
| 2161 | &mov ($s3,&DWP(12,$key)); | |
| 2162 | ||
| 04d0d0ac | 2163 | &xor ($s0,&DWP(0,$acc)); # xor input data |
| addb6e16 AP |
2164 | &xor ($s1,&DWP(4,$acc)); |
| 2165 | &xor ($s2,&DWP(8,$acc)); | |
| 2166 | &xor ($s3,&DWP(12,$acc)); | |
| 2167 | ||
| 04d0d0ac | 2168 | &mov ($key,$_key); # load key |
| addb6e16 AP |
2169 | &call ("_x86_AES_encrypt"); |
| 2170 | ||
| 04d0d0ac AP |
2171 | &mov ($acc,$_inp); # load inp |
| 2172 | &mov ($key,$_out); # load out | |
| addb6e16 | 2173 | |
| 04d0d0ac | 2174 | &mov (&DWP(0,$key),$s0); # save output data |
| addb6e16 AP |
2175 | &mov (&DWP(4,$key),$s1); |
| 2176 | &mov (&DWP(8,$key),$s2); | |
| 2177 | &mov (&DWP(12,$key),$s3); | |
| 2178 | ||
| 6c69aa53 | 2179 | &lea ($acc,&DWP(16,$acc)); # advance inp |
| 04d0d0ac | 2180 | &mov ($s2,$_len); # load len |
| 04d0d0ac | 2181 | &mov ($_inp,$acc); # save inp |
| 6c69aa53 | 2182 | &lea ($s3,&DWP(16,$key)); # advance out |
| 04d0d0ac | 2183 | &mov ($_out,$s3); # save out |
| 6c69aa53 | 2184 | &sub ($s2,16); # decrease len |
| 04d0d0ac | 2185 | &mov ($_len,$s2); # save len |
| 6c69aa53 | 2186 | &jnz (&label("fast_enc_loop")); |
| 04d0d0ac | 2187 | &mov ($acc,$_ivp); # load ivp |
| 6c69aa53 | 2188 | &mov ($s2,&DWP(8,$key)); # restore last 2 dwords |
| addb6e16 | 2189 | &mov ($s3,&DWP(12,$key)); |
| 04d0d0ac | 2190 | &mov (&DWP(0,$acc),$s0); # save ivec |
| addb6e16 AP |
2191 | &mov (&DWP(4,$acc),$s1); |
| 2192 | &mov (&DWP(8,$acc),$s2); | |
| 2193 | &mov (&DWP(12,$acc),$s3); | |
| 3d5fd312 | 2194 | |
| a2806233 | 2195 | &cmp ($mark,0); # was the key schedule copied? |
| 3d5fd312 | 2196 | &mov ("edi",$_key); |
| a2806233 | 2197 | &je (&label("skip_ezero")); |
| 3d5fd312 | 2198 | # zero copy of key schedule |
| 57ee0070 | 2199 | &mov ("ecx",240/4); |
| 3d5fd312 AP |
2200 | &xor ("eax","eax"); |
| 2201 | &align (4); | |
| f9c5e5d9 AP |
2202 | &data_word(0xABF3F689); # rep stosd |
| 2203 | &set_label("skip_ezero"); | |
| 6c69aa53 | 2204 | &mov ("esp",$_esp); |
| 3d5fd312 | 2205 | &popf (); |
| 6c69aa53 | 2206 | &set_label("drop_out"); |
| addb6e16 | 2207 | &function_end_A(); |
| 3d5fd312 | 2208 | &pushf (); # kludge, never executed |
| addb6e16 | 2209 | |
| addb6e16 | 2210 | #----------------------------- DECRYPT -----------------------------# |
| 6c69aa53 | 2211 | &set_label("fast_decrypt",16); |
| 04d0d0ac AP |
2212 | |
| 2213 | &cmp ($acc,$_out); | |
| 6c69aa53 | 2214 | &je (&label("fast_dec_in_place")); # in-place processing... |
| addb6e16 | 2215 | |
| 04d0d0ac | 2216 | &mov ($_tmp,$key); |
| addb6e16 AP |
2217 | |
| 2218 | &align (4); | |
| 6c69aa53 | 2219 | &set_label("fast_dec_loop",16); |
| 04d0d0ac | 2220 | &mov ($s0,&DWP(0,$acc)); # read input |
| addb6e16 AP |
2221 | &mov ($s1,&DWP(4,$acc)); |
| 2222 | &mov ($s2,&DWP(8,$acc)); | |
| 2223 | &mov ($s3,&DWP(12,$acc)); | |
| 2224 | ||
| 04d0d0ac | 2225 | &mov ($key,$_key); # load key |
| addb6e16 AP |
2226 | &call ("_x86_AES_decrypt"); |
| 2227 | ||
| 04d0d0ac AP |
2228 | &mov ($key,$_tmp); # load ivp |
| 2229 | &mov ($acc,$_len); # load len | |
| 2230 | &xor ($s0,&DWP(0,$key)); # xor iv | |
| addb6e16 AP |
2231 | &xor ($s1,&DWP(4,$key)); |
| 2232 | &xor ($s2,&DWP(8,$key)); | |
| 2233 | &xor ($s3,&DWP(12,$key)); | |
| 2234 | ||
| 04d0d0ac | 2235 | &mov ($key,$_out); # load out |
| 6c69aa53 | 2236 | &mov ($acc,$_inp); # load inp |
| addb6e16 | 2237 | |
| 04d0d0ac | 2238 | &mov (&DWP(0,$key),$s0); # write output |
| addb6e16 AP |
2239 | &mov (&DWP(4,$key),$s1); |
| 2240 | &mov (&DWP(8,$key),$s2); | |
| 2241 | &mov (&DWP(12,$key),$s3); | |
| 2242 | ||
| 6c69aa53 | 2243 | &mov ($s2,$_len); # load len |
| 04d0d0ac | 2244 | &mov ($_tmp,$acc); # save ivp |
| 6c69aa53 | 2245 | &lea ($acc,&DWP(16,$acc)); # advance inp |
| 04d0d0ac | 2246 | &mov ($_inp,$acc); # save inp |
| 6c69aa53 | 2247 | &lea ($key,&DWP(16,$key)); # advance out |
| 04d0d0ac | 2248 | &mov ($_out,$key); # save out |
| 6c69aa53 AP |
2249 | &sub ($s2,16); # decrease len |
| 2250 | &mov ($_len,$s2); # save len | |
| 2251 | &jnz (&label("fast_dec_loop")); | |
| 04d0d0ac | 2252 | &mov ($key,$_tmp); # load temp ivp |
| 04d0d0ac | 2253 | &mov ($acc,$_ivp); # load user ivp |
| addb6e16 AP |
2254 | &mov ($s0,&DWP(0,$key)); # load iv |
| 2255 | &mov ($s1,&DWP(4,$key)); | |
| 2256 | &mov ($s2,&DWP(8,$key)); | |
| 2257 | &mov ($s3,&DWP(12,$key)); | |
| 2258 | &mov (&DWP(0,$acc),$s0); # copy back to user | |
| 2259 | &mov (&DWP(4,$acc),$s1); | |
| 2260 | &mov (&DWP(8,$acc),$s2); | |
| 2261 | &mov (&DWP(12,$acc),$s3); | |
| 6c69aa53 | 2262 | &jmp (&label("fast_dec_out")); |
| addb6e16 | 2263 | |
| 6c69aa53 AP |
2264 | &set_label("fast_dec_in_place",16); |
| 2265 | &set_label("fast_dec_in_place_loop"); | |
| 04d0d0ac | 2266 | &mov ($s0,&DWP(0,$acc)); # read input |
| addb6e16 AP |
2267 | &mov ($s1,&DWP(4,$acc)); |
| 2268 | &mov ($s2,&DWP(8,$acc)); | |
| 2269 | &mov ($s3,&DWP(12,$acc)); | |
| 2270 | ||
| 6c69aa53 | 2271 | &lea ($key,$ivec); |
| 04d0d0ac | 2272 | &mov (&DWP(0,$key),$s0); # copy to temp |
| addb6e16 AP |
2273 | &mov (&DWP(4,$key),$s1); |
| 2274 | &mov (&DWP(8,$key),$s2); | |
| 2275 | &mov (&DWP(12,$key),$s3); | |
| 2276 | ||
| 04d0d0ac | 2277 | &mov ($key,$_key); # load key |
| addb6e16 AP |
2278 | &call ("_x86_AES_decrypt"); |
| 2279 | ||
| 04d0d0ac AP |
2280 | &mov ($key,$_ivp); # load ivp |
| 2281 | &mov ($acc,$_out); # load out | |
| 2282 | &xor ($s0,&DWP(0,$key)); # xor iv | |
| addb6e16 AP |
2283 | &xor ($s1,&DWP(4,$key)); |
| 2284 | &xor ($s2,&DWP(8,$key)); | |
| 2285 | &xor ($s3,&DWP(12,$key)); | |
| 2286 | ||
| 04d0d0ac | 2287 | &mov (&DWP(0,$acc),$s0); # write output |
| addb6e16 AP |
2288 | &mov (&DWP(4,$acc),$s1); |
| 2289 | &mov (&DWP(8,$acc),$s2); | |
| 2290 | &mov (&DWP(12,$acc),$s3); | |
| 2291 | ||
| 6c69aa53 | 2292 | &lea ($acc,&DWP(16,$acc)); # advance out |
| 04d0d0ac | 2293 | &mov ($_out,$acc); # save out |
| addb6e16 | 2294 | |
| 04d0d0ac AP |
2295 | &lea ($acc,$ivec); |
| 2296 | &mov ($s0,&DWP(0,$acc)); # read temp | |
| addb6e16 AP |
2297 | &mov ($s1,&DWP(4,$acc)); |
| 2298 | &mov ($s2,&DWP(8,$acc)); | |
| 2299 | &mov ($s3,&DWP(12,$acc)); | |
| 2300 | ||
| 04d0d0ac | 2301 | &mov (&DWP(0,$key),$s0); # copy iv |
| addb6e16 AP |
2302 | &mov (&DWP(4,$key),$s1); |
| 2303 | &mov (&DWP(8,$key),$s2); | |
| 2304 | &mov (&DWP(12,$key),$s3); | |
| 2305 | ||
| 04d0d0ac | 2306 | &mov ($acc,$_inp); # load inp |
| 6c69aa53 AP |
2307 | &mov ($s2,$_len); # load len |
| 2308 | &lea ($acc,&DWP(16,$acc)); # advance inp | |
| 2309 | &mov ($_inp,$acc); # save inp | |
| 2310 | &sub ($s2,16); # decrease len | |
| 2311 | &mov ($_len,$s2); # save len | |
| 2312 | &jnz (&label("fast_dec_in_place_loop")); | |
| addb6e16 | 2313 | |
| 6c69aa53 AP |
2314 | &set_label("fast_dec_out",4); |
| 2315 | &cmp ($mark,0); # was the key schedule copied? | |
| 2316 | &mov ("edi",$_key); | |
| 2317 | &je (&label("skip_dzero")); | |
| 2318 | # zero copy of key schedule | |
| 2319 | &mov ("ecx",240/4); | |
| 2320 | &xor ("eax","eax"); | |
| 2321 | &align (4); | |
| f9c5e5d9 AP |
2322 | &data_word(0xABF3F689); # rep stosd |
| 2323 | &set_label("skip_dzero"); | |
| 6c69aa53 AP |
2324 | &mov ("esp",$_esp); |
| 2325 | &popf (); | |
| 2326 | &function_end_A(); | |
| 2327 | &pushf (); # kludge, never executed | |
| 2328 | ||
| 2329 | #--------------------------- SLOW ROUTINE ---------------------------# | |
| 2330 | &set_label("slow_way",16); | |
| 2331 | ||
| 2332 | &mov ($s0,&DWP(0,$s0)) if (!$x86only);# load OPENSSL_ia32cap | |
| 2333 | &mov ($key,&wparam(3)); # load key | |
| 2334 | ||
| 2335 | # pre-allocate aligned stack frame... | |
| 2336 | &lea ($acc,&DWP(-80,"esp")); | |
| 2337 | &and ($acc,-64); | |
| 2338 | ||
| 2339 | # ... and make sure it doesn't alias with $key modulo 1024 | |
| 2340 | &lea ($s1,&DWP(-80-63,$key)); | |
| 2341 | &sub ($s1,$acc); | |
| 2342 | &neg ($s1); | |
| 2343 | &and ($s1,0x3C0); # modulo 1024, but aligned to cache-line | |
| 2344 | &sub ($acc,$s1); | |
| 2345 | ||
| 2346 | # pick S-box copy which can't overlap with stack frame or $key | |
| 2347 | &lea ($s1,&DWP(768,$acc)); | |
| 2348 | &sub ($s1,$tbl); | |
| 2349 | &and ($s1,0x300); | |
| 2350 | &lea ($tbl,&DWP(2048+128,$tbl,$s1)); | |
| 2351 | ||
| 2352 | &lea ($s3,&wparam(0)); # pointer to parameter block | |
| 2353 | ||
| 2354 | &exch ("esp",$acc); | |
| 2355 | &add ("esp",4); # reserve for return address! | |
| 2356 | &mov ($_tbl,$tbl); # save %ebp | |
| 2357 | &mov ($_esp,$acc); # save %esp | |
| 2358 | &mov ($_tmp,$s0); # save OPENSSL_ia32cap | |
| 2359 | ||
| 2360 | &mov ($s0,&DWP(0,$s3)); # load inp | |
| 2361 | &mov ($s1,&DWP(4,$s3)); # load out | |
| 2362 | #&mov ($s2,&DWP(8,$s3)); # load len | |
| 2363 | #&mov ($key,&DWP(12,$s3)); # load key | |
| 2364 | &mov ($acc,&DWP(16,$s3)); # load ivp | |
| 2365 | &mov ($s3,&DWP(20,$s3)); # load enc flag | |
| 2366 | ||
| 2367 | &mov ($_inp,$s0); # save copy of inp | |
| 2368 | &mov ($_out,$s1); # save copy of out | |
| 2369 | &mov ($_len,$s2); # save copy of len | |
| 2370 | &mov ($_key,$key); # save copy of key | |
| 2371 | &mov ($_ivp,$acc); # save copy of ivp | |
| 2372 | ||
| 2373 | &mov ($key,$acc); | |
| 2374 | &mov ($acc,$s0); | |
| 2375 | ||
| 2376 | &cmp ($s3,0); | |
| 2377 | &je (&label("slow_decrypt")); | |
| 2378 | ||
| 2379 | #--------------------------- SLOW ENCRYPT ---------------------------# | |
| 2380 | &cmp ($s2,16); | |
| 3b0ee0d2 | 2381 | &mov ($s3,$s1); |
| 6c69aa53 AP |
2382 | &jb (&label("slow_enc_tail")); |
| 2383 | ||
| 2384 | if (!$x86only) { | |
| 2385 | &bt ($_tmp,25); # check for SSE bit | |
| 2386 | &jnc (&label("slow_enc_x86")); | |
| 2387 | ||
| 2388 | &movq ("mm0",&QWP(0,$key)); # load iv | |
| 2389 | &movq ("mm4",&QWP(8,$key)); | |
| 2390 | ||
| 2391 | &set_label("slow_enc_loop_sse",16); | |
| 2392 | &pxor ("mm0",&QWP(0,$acc)); # xor input data | |
| 2393 | &pxor ("mm4",&QWP(8,$acc)); | |
| 2394 | ||
| 2395 | &mov ($key,$_key); | |
| 2396 | &call ("_sse_AES_encrypt_compact"); | |
| 2397 | ||
| 2398 | &mov ($acc,$_inp); # load inp | |
| 2399 | &mov ($key,$_out); # load out | |
| 2400 | &mov ($s2,$_len); # load len | |
| 2401 | ||
| 2402 | &movq (&QWP(0,$key),"mm0"); # save output data | |
| 2403 | &movq (&QWP(8,$key),"mm4"); | |
| 2404 | ||
| 2405 | &lea ($acc,&DWP(16,$acc)); # advance inp | |
| 04d0d0ac | 2406 | &mov ($_inp,$acc); # save inp |
| 6c69aa53 AP |
2407 | &lea ($s3,&DWP(16,$key)); # advance out |
| 2408 | &mov ($_out,$s3); # save out | |
| 2409 | &sub ($s2,16); # decrease len | |
| 2410 | &cmp ($s2,16); | |
| 2411 | &mov ($_len,$s2); # save len | |
| 2412 | &jae (&label("slow_enc_loop_sse")); | |
| 2413 | &test ($s2,15); | |
| 2414 | &jnz (&label("slow_enc_tail")); | |
| 2415 | &mov ($acc,$_ivp); # load ivp | |
| 2416 | &movq (&QWP(0,$acc),"mm0"); # save ivec | |
| 2417 | &movq (&QWP(8,$acc),"mm4"); | |
| 2418 | &emms (); | |
| 2419 | &mov ("esp",$_esp); | |
| 2420 | &popf (); | |
| 2421 | &function_end_A(); | |
| 2422 | &pushf (); # kludge, never executed | |
| 2423 | } | |
| 2424 | &set_label("slow_enc_x86",16); | |
| 2425 | &mov ($s0,&DWP(0,$key)); # load iv | |
| 2426 | &mov ($s1,&DWP(4,$key)); | |
| 2427 | ||
| 2428 | &set_label("slow_enc_loop_x86",4); | |
| 2429 | &mov ($s2,&DWP(8,$key)); | |
| 2430 | &mov ($s3,&DWP(12,$key)); | |
| 2431 | ||
| 2432 | &xor ($s0,&DWP(0,$acc)); # xor input data | |
| 2433 | &xor ($s1,&DWP(4,$acc)); | |
| 2434 | &xor ($s2,&DWP(8,$acc)); | |
| 2435 | &xor ($s3,&DWP(12,$acc)); | |
| 2436 | ||
| 2437 | &mov ($key,$_key); # load key | |
| 2438 | &call ("_x86_AES_encrypt_compact"); | |
| 2439 | ||
| 2440 | &mov ($acc,$_inp); # load inp | |
| 2441 | &mov ($key,$_out); # load out | |
| 2442 | ||
| 2443 | &mov (&DWP(0,$key),$s0); # save output data | |
| 2444 | &mov (&DWP(4,$key),$s1); | |
| 2445 | &mov (&DWP(8,$key),$s2); | |
| 2446 | &mov (&DWP(12,$key),$s3); | |
| addb6e16 | 2447 | |
| 04d0d0ac | 2448 | &mov ($s2,$_len); # load len |
| 6c69aa53 AP |
2449 | &lea ($acc,&DWP(16,$acc)); # advance inp |
| 2450 | &mov ($_inp,$acc); # save inp | |
| 2451 | &lea ($s3,&DWP(16,$key)); # advance out | |
| 2452 | &mov ($_out,$s3); # save out | |
| 2453 | &sub ($s2,16); # decrease len | |
| 2454 | &cmp ($s2,16); | |
| 04d0d0ac | 2455 | &mov ($_len,$s2); # save len |
| 6c69aa53 AP |
2456 | &jae (&label("slow_enc_loop_x86")); |
| 2457 | &test ($s2,15); | |
| 2458 | &jnz (&label("slow_enc_tail")); | |
| 2459 | &mov ($acc,$_ivp); # load ivp | |
| 2460 | &mov ($s2,&DWP(8,$key)); # restore last dwords | |
| 2461 | &mov ($s3,&DWP(12,$key)); | |
| 2462 | &mov (&DWP(0,$acc),$s0); # save ivec | |
| 2463 | &mov (&DWP(4,$acc),$s1); | |
| 2464 | &mov (&DWP(8,$acc),$s2); | |
| 2465 | &mov (&DWP(12,$acc),$s3); | |
| 2466 | ||
| 2467 | &mov ("esp",$_esp); | |
| 2468 | &popf (); | |
| 2469 | &function_end_A(); | |
| 2470 | &pushf (); # kludge, never executed | |
| 2471 | ||
| 2472 | &set_label("slow_enc_tail",16); | |
| 3a8012cb | 2473 | &emms () if (!$x86only); |
| 6c69aa53 AP |
2474 | &mov ($key eq "edi"? $key:"",$s3); # load out to edi |
| 2475 | &mov ($s1,16); | |
| 2476 | &sub ($s1,$s2); | |
| 2477 | &cmp ($key,$acc eq "esi"? $acc:""); # compare with inp | |
| 2478 | &je (&label("enc_in_place")); | |
| 2479 | &align (4); | |
| 2480 | &data_word(0xA4F3F689); # rep movsb # copy input | |
| 2481 | &jmp (&label("enc_skip_in_place")); | |
| 2482 | &set_label("enc_in_place"); | |
| addb6e16 | 2483 | &lea ($key,&DWP(0,$key,$s2)); |
| 6c69aa53 AP |
2484 | &set_label("enc_skip_in_place"); |
| 2485 | &mov ($s2,$s1); | |
| 2486 | &xor ($s0,$s0); | |
| 2487 | &align (4); | |
| 2488 | &data_word(0xAAF3F689); # rep stosb # zero tail | |
| 2489 | ||
| 3b0ee0d2 | 2490 | &mov ($key,$_ivp); # restore ivp |
| 6c69aa53 AP |
2491 | &mov ($acc,$s3); # output as input |
| 2492 | &mov ($s0,&DWP(0,$key)); | |
| 2493 | &mov ($s1,&DWP(4,$key)); | |
| 2494 | &mov ($_len,16); # len=16 | |
| 2495 | &jmp (&label("slow_enc_loop_x86")); # one more spin... | |
| 2496 | ||
| 2497 | #--------------------------- SLOW DECRYPT ---------------------------# | |
| 2498 | &set_label("slow_decrypt",16); | |
| 2499 | if (!$x86only) { | |
| 2500 | &bt ($_tmp,25); # check for SSE bit | |
| 2501 | &jnc (&label("slow_dec_loop_x86")); | |
| 2502 | ||
| 2503 | &set_label("slow_dec_loop_sse",4); | |
| 2504 | &movq ("mm0",&QWP(0,$acc)); # read input | |
| 2505 | &movq ("mm4",&QWP(8,$acc)); | |
| 2506 | ||
| 2507 | &mov ($key,$_key); | |
| 2508 | &call ("_sse_AES_decrypt_compact"); | |
| 2509 | ||
| 2510 | &mov ($acc,$_inp); # load inp | |
| 2511 | &lea ($s0,$ivec); | |
| 2512 | &mov ($s1,$_out); # load out | |
| 2513 | &mov ($s2,$_len); # load len | |
| 2514 | &mov ($key,$_ivp); # load ivp | |
| 2515 | ||
| 2516 | &movq ("mm1",&QWP(0,$acc)); # re-read input | |
| 2517 | &movq ("mm5",&QWP(8,$acc)); | |
| 2518 | ||
| 2519 | &pxor ("mm0",&QWP(0,$key)); # xor iv | |
| 2520 | &pxor ("mm4",&QWP(8,$key)); | |
| 2521 | ||
| 2522 | &movq (&QWP(0,$key),"mm1"); # copy input to iv | |
| 2523 | &movq (&QWP(8,$key),"mm5"); | |
| 2524 | ||
| 2525 | &sub ($s2,16); # decrease len | |
| 2526 | &jc (&label("slow_dec_partial_sse")); | |
| 2527 | ||
| 2528 | &movq (&QWP(0,$s1),"mm0"); # write output | |
| 2529 | &movq (&QWP(8,$s1),"mm4"); | |
| 2530 | ||
| 2531 | &lea ($s1,&DWP(16,$s1)); # advance out | |
| 2532 | &mov ($_out,$s1); # save out | |
| 2533 | &lea ($acc,&DWP(16,$acc)); # advance inp | |
| 2534 | &mov ($_inp,$acc); # save inp | |
| 2535 | &mov ($_len,$s2); # save len | |
| 2536 | &jnz (&label("slow_dec_loop_sse")); | |
| 2537 | &emms (); | |
| 2538 | &mov ("esp",$_esp); | |
| 2539 | &popf (); | |
| 2540 | &function_end_A(); | |
| 2541 | &pushf (); # kludge, never executed | |
| 2542 | ||
| 2543 | &set_label("slow_dec_partial_sse",16); | |
| 2544 | &movq (&QWP(0,$s0),"mm0"); # save output to temp | |
| 2545 | &movq (&QWP(8,$s0),"mm4"); | |
| 2546 | &emms (); | |
| 2547 | ||
| 2548 | &add ($s2 eq "ecx" ? "ecx":"",16); | |
| 2549 | &mov ("edi",$s1); # out | |
| 2550 | &mov ("esi",$s0); # temp | |
| 2551 | &align (4); | |
| 2552 | &data_word(0xA4F3F689); # rep movsb # copy partial output | |
| 2553 | ||
| 2554 | &mov ("esp",$_esp); | |
| 2555 | &popf (); | |
| 2556 | &function_end_A(); | |
| 2557 | &pushf (); # kludge, never executed | |
| 2558 | } | |
| 2559 | &set_label("slow_dec_loop_x86",16); | |
| 2560 | &mov ($s0,&DWP(0,$acc)); # read input | |
| 2561 | &mov ($s1,&DWP(4,$acc)); | |
| 2562 | &mov ($s2,&DWP(8,$acc)); | |
| 2563 | &mov ($s3,&DWP(12,$acc)); | |
| 2564 | ||
| 2565 | &lea ($key,$ivec); | |
| 2566 | &mov (&DWP(0,$key),$s0); # copy to temp | |
| 2567 | &mov (&DWP(4,$key),$s1); | |
| 2568 | &mov (&DWP(8,$key),$s2); | |
| 2569 | &mov (&DWP(12,$key),$s3); | |
| 2570 | ||
| 2571 | &mov ($key,$_key); # load key | |
| 2572 | &call ("_x86_AES_decrypt_compact"); | |
| 2573 | ||
| 2574 | &mov ($key,$_ivp); # load ivp | |
| 2575 | &mov ($acc,$_len); # load len | |
| 2576 | &xor ($s0,&DWP(0,$key)); # xor iv | |
| 2577 | &xor ($s1,&DWP(4,$key)); | |
| 2578 | &xor ($s2,&DWP(8,$key)); | |
| 2579 | &xor ($s3,&DWP(12,$key)); | |
| 2580 | ||
| 2581 | &sub ($acc,16); | |
| 2582 | &jc (&label("slow_dec_partial_x86")); | |
| 2583 | ||
| 2584 | &mov ($_len,$acc); # save len | |
| 2585 | &mov ($acc,$_out); # load out | |
| 2586 | ||
| 2587 | &mov (&DWP(0,$acc),$s0); # write output | |
| 2588 | &mov (&DWP(4,$acc),$s1); | |
| 2589 | &mov (&DWP(8,$acc),$s2); | |
| 2590 | &mov (&DWP(12,$acc),$s3); | |
| 2591 | ||
| 2592 | &lea ($acc,&DWP(16,$acc)); # advance out | |
| 2593 | &mov ($_out,$acc); # save out | |
| 2594 | ||
| 2595 | &lea ($acc,$ivec); | |
| 2596 | &mov ($s0,&DWP(0,$acc)); # read temp | |
| 2597 | &mov ($s1,&DWP(4,$acc)); | |
| 2598 | &mov ($s2,&DWP(8,$acc)); | |
| 2599 | &mov ($s3,&DWP(12,$acc)); | |
| 2600 | ||
| 2601 | &mov (&DWP(0,$key),$s0); # copy it to iv | |
| 2602 | &mov (&DWP(4,$key),$s1); | |
| 2603 | &mov (&DWP(8,$key),$s2); | |
| 2604 | &mov (&DWP(12,$key),$s3); | |
| 2605 | ||
| 2606 | &mov ($acc,$_inp); # load inp | |
| 2607 | &lea ($acc,&DWP(16,$acc)); # advance inp | |
| 2608 | &mov ($_inp,$acc); # save inp | |
| 6c69aa53 AP |
2609 | &jnz (&label("slow_dec_loop_x86")); |
| 2610 | &mov ("esp",$_esp); | |
| 2611 | &popf (); | |
| 2612 | &function_end_A(); | |
| 2613 | &pushf (); # kludge, never executed | |
| 2614 | ||
| 2615 | &set_label("slow_dec_partial_x86",16); | |
| 2616 | &lea ($acc,$ivec); | |
| 2617 | &mov (&DWP(0,$acc),$s0); # save output to temp | |
| 2618 | &mov (&DWP(4,$acc),$s1); | |
| 2619 | &mov (&DWP(8,$acc),$s2); | |
| 2620 | &mov (&DWP(12,$acc),$s3); | |
| 2621 | ||
| 2622 | &mov ($acc,$_inp); | |
| 2623 | &mov ($s0,&DWP(0,$acc)); # re-read input | |
| 2624 | &mov ($s1,&DWP(4,$acc)); | |
| 2625 | &mov ($s2,&DWP(8,$acc)); | |
| 2626 | &mov ($s3,&DWP(12,$acc)); | |
| 2627 | ||
| 2628 | &mov (&DWP(0,$key),$s0); # copy it to iv | |
| 2629 | &mov (&DWP(4,$key),$s1); | |
| 2630 | &mov (&DWP(8,$key),$s2); | |
| 2631 | &mov (&DWP(12,$key),$s3); | |
| 2632 | ||
| 2633 | &mov ("ecx",$_len); | |
| 2634 | &mov ("edi",$_out); | |
| 2635 | &lea ("esi",$ivec); | |
| 2636 | &align (4); | |
| 2637 | &data_word(0xA4F3F689); # rep movsb # copy partial output | |
| 2638 | ||
| 2639 | &mov ("esp",$_esp); | |
| 2640 | &popf (); | |
| addb6e16 | 2641 | &function_end("AES_cbc_encrypt"); |
| 04d0d0ac | 2642 | } |
| addb6e16 AP |
2643 | |
| 2644 | #------------------------------------------------------------------# | |
| 71314710 | 2645 | |
| e7e11507 AP |
2646 | sub enckey() |
| 2647 | { | |
| 2648 | &movz ("esi",&LB("edx")); # rk[i]>>0 | |
| 53154d71 | 2649 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| e7e11507 | 2650 | &movz ("esi",&HB("edx")); # rk[i]>>8 |
| 53154d71 | 2651 | &shl ("ebx",24); |
| e7e11507 AP |
2652 | &xor ("eax","ebx"); |
| 2653 | ||
| 53154d71 | 2654 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| e7e11507 | 2655 | &shr ("edx",16); |
| e7e11507 AP |
2656 | &movz ("esi",&LB("edx")); # rk[i]>>16 |
| 2657 | &xor ("eax","ebx"); | |
| 2658 | ||
| 53154d71 | 2659 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| e7e11507 | 2660 | &movz ("esi",&HB("edx")); # rk[i]>>24 |
| 53154d71 | 2661 | &shl ("ebx",8); |
| e7e11507 AP |
2662 | &xor ("eax","ebx"); |
| 2663 | ||
| 53154d71 AP |
2664 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| 2665 | &shl ("ebx",16); | |
| e7e11507 AP |
2666 | &xor ("eax","ebx"); |
| 2667 | ||
| fc924142 | 2668 | &xor ("eax",&DWP(1024-128,$tbl,"ecx",4)); # rcon |
| e7e11507 AP |
2669 | } |
| 2670 | ||
| ad8bd4ec AP |
2671 | &function_begin("_x86_AES_set_encrypt_key"); |
| 2672 | &mov ("esi",&wparam(1)); # user supplied key | |
| 2673 | &mov ("edi",&wparam(3)); # private key schedule | |
| e7e11507 AP |
2674 | |
| 2675 | &test ("esi",-1); | |
| 2676 | &jz (&label("badpointer")); | |
| 2677 | &test ("edi",-1); | |
| 2678 | &jz (&label("badpointer")); | |
| 2679 | ||
| 2680 | &call (&label("pic_point")); | |
| 2681 | &set_label("pic_point"); | |
| 22c268e6 AP |
2682 | &blindpop($tbl); |
| 2683 | &lea ($tbl,&DWP(&label("AES_Te")."-".&label("pic_point"),$tbl)); | |
| 53154d71 AP |
2684 | &lea ($tbl,&DWP(2048+128,$tbl)); |
| 2685 | ||
| 2686 | # prefetch Te4 | |
| 2687 | &mov ("eax",&DWP(0-128,$tbl)); | |
| 2688 | &mov ("ebx",&DWP(32-128,$tbl)); | |
| 2689 | &mov ("ecx",&DWP(64-128,$tbl)); | |
| 2690 | &mov ("edx",&DWP(96-128,$tbl)); | |
| 2691 | &mov ("eax",&DWP(128-128,$tbl)); | |
| 2692 | &mov ("ebx",&DWP(160-128,$tbl)); | |
| 2693 | &mov ("ecx",&DWP(192-128,$tbl)); | |
| 2694 | &mov ("edx",&DWP(224-128,$tbl)); | |
| e7e11507 | 2695 | |
| ad8bd4ec | 2696 | &mov ("ecx",&wparam(2)); # number of bits in key |
| e7e11507 AP |
2697 | &cmp ("ecx",128); |
| 2698 | &je (&label("10rounds")); | |
| 2699 | &cmp ("ecx",192); | |
| 2700 | &je (&label("12rounds")); | |
| 2701 | &cmp ("ecx",256); | |
| 2702 | &je (&label("14rounds")); | |
| 2703 | &mov ("eax",-2); # invalid number of bits | |
| 2704 | &jmp (&label("exit")); | |
| 2705 | ||
| 2706 | &set_label("10rounds"); | |
| 2707 | &mov ("eax",&DWP(0,"esi")); # copy first 4 dwords | |
| 2708 | &mov ("ebx",&DWP(4,"esi")); | |
| 2709 | &mov ("ecx",&DWP(8,"esi")); | |
| 2710 | &mov ("edx",&DWP(12,"esi")); | |
| 2711 | &mov (&DWP(0,"edi"),"eax"); | |
| 2712 | &mov (&DWP(4,"edi"),"ebx"); | |
| 2713 | &mov (&DWP(8,"edi"),"ecx"); | |
| 2714 | &mov (&DWP(12,"edi"),"edx"); | |
| 2715 | ||
| 2716 | &xor ("ecx","ecx"); | |
| 2717 | &jmp (&label("10shortcut")); | |
| 2718 | ||
| 2719 | &align (4); | |
| 2720 | &set_label("10loop"); | |
| 2721 | &mov ("eax",&DWP(0,"edi")); # rk[0] | |
| 2722 | &mov ("edx",&DWP(12,"edi")); # rk[3] | |
| 2723 | &set_label("10shortcut"); | |
| 2724 | &enckey (); | |
| 2725 | ||
| 2726 | &mov (&DWP(16,"edi"),"eax"); # rk[4] | |
| 2727 | &xor ("eax",&DWP(4,"edi")); | |
| 2728 | &mov (&DWP(20,"edi"),"eax"); # rk[5] | |
| 2729 | &xor ("eax",&DWP(8,"edi")); | |
| 2730 | &mov (&DWP(24,"edi"),"eax"); # rk[6] | |
| 2731 | &xor ("eax",&DWP(12,"edi")); | |
| 2732 | &mov (&DWP(28,"edi"),"eax"); # rk[7] | |
| 2733 | &inc ("ecx"); | |
| 2734 | &add ("edi",16); | |
| 2735 | &cmp ("ecx",10); | |
| 2736 | &jl (&label("10loop")); | |
| 2737 | ||
| 2738 | &mov (&DWP(80,"edi"),10); # setup number of rounds | |
| 2739 | &xor ("eax","eax"); | |
| 2740 | &jmp (&label("exit")); | |
| 609b0852 | 2741 | |
| e7e11507 AP |
2742 | &set_label("12rounds"); |
| 2743 | &mov ("eax",&DWP(0,"esi")); # copy first 6 dwords | |
| 2744 | &mov ("ebx",&DWP(4,"esi")); | |
| 2745 | &mov ("ecx",&DWP(8,"esi")); | |
| 2746 | &mov ("edx",&DWP(12,"esi")); | |
| 2747 | &mov (&DWP(0,"edi"),"eax"); | |
| 2748 | &mov (&DWP(4,"edi"),"ebx"); | |
| 2749 | &mov (&DWP(8,"edi"),"ecx"); | |
| 2750 | &mov (&DWP(12,"edi"),"edx"); | |
| 2751 | &mov ("ecx",&DWP(16,"esi")); | |
| 2752 | &mov ("edx",&DWP(20,"esi")); | |
| 2753 | &mov (&DWP(16,"edi"),"ecx"); | |
| 2754 | &mov (&DWP(20,"edi"),"edx"); | |
| 2755 | ||
| 2756 | &xor ("ecx","ecx"); | |
| 2757 | &jmp (&label("12shortcut")); | |
| 2758 | ||
| 2759 | &align (4); | |
| 2760 | &set_label("12loop"); | |
| 2761 | &mov ("eax",&DWP(0,"edi")); # rk[0] | |
| 2762 | &mov ("edx",&DWP(20,"edi")); # rk[5] | |
| 2763 | &set_label("12shortcut"); | |
| 2764 | &enckey (); | |
| 2765 | ||
| 2766 | &mov (&DWP(24,"edi"),"eax"); # rk[6] | |
| 2767 | &xor ("eax",&DWP(4,"edi")); | |
| 2768 | &mov (&DWP(28,"edi"),"eax"); # rk[7] | |
| 2769 | &xor ("eax",&DWP(8,"edi")); | |
| 2770 | &mov (&DWP(32,"edi"),"eax"); # rk[8] | |
| 2771 | &xor ("eax",&DWP(12,"edi")); | |
| 2772 | &mov (&DWP(36,"edi"),"eax"); # rk[9] | |
| 2773 | ||
| 2774 | &cmp ("ecx",7); | |
| 2775 | &je (&label("12break")); | |
| 2776 | &inc ("ecx"); | |
| 2777 | ||
| 2778 | &xor ("eax",&DWP(16,"edi")); | |
| 2779 | &mov (&DWP(40,"edi"),"eax"); # rk[10] | |
| 2780 | &xor ("eax",&DWP(20,"edi")); | |
| 2781 | &mov (&DWP(44,"edi"),"eax"); # rk[11] | |
| 2782 | ||
| 2783 | &add ("edi",24); | |
| 2784 | &jmp (&label("12loop")); | |
| 2785 | ||
| 2786 | &set_label("12break"); | |
| 2787 | &mov (&DWP(72,"edi"),12); # setup number of rounds | |
| 2788 | &xor ("eax","eax"); | |
| 2789 | &jmp (&label("exit")); | |
| 2790 | ||
| 2791 | &set_label("14rounds"); | |
| 2792 | &mov ("eax",&DWP(0,"esi")); # copy first 8 dwords | |
| 2793 | &mov ("ebx",&DWP(4,"esi")); | |
| 2794 | &mov ("ecx",&DWP(8,"esi")); | |
| 2795 | &mov ("edx",&DWP(12,"esi")); | |
| 2796 | &mov (&DWP(0,"edi"),"eax"); | |
| 2797 | &mov (&DWP(4,"edi"),"ebx"); | |
| 2798 | &mov (&DWP(8,"edi"),"ecx"); | |
| 2799 | &mov (&DWP(12,"edi"),"edx"); | |
| 2800 | &mov ("eax",&DWP(16,"esi")); | |
| 2801 | &mov ("ebx",&DWP(20,"esi")); | |
| 2802 | &mov ("ecx",&DWP(24,"esi")); | |
| 2803 | &mov ("edx",&DWP(28,"esi")); | |
| 2804 | &mov (&DWP(16,"edi"),"eax"); | |
| 2805 | &mov (&DWP(20,"edi"),"ebx"); | |
| 2806 | &mov (&DWP(24,"edi"),"ecx"); | |
| 2807 | &mov (&DWP(28,"edi"),"edx"); | |
| 2808 | ||
| 2809 | &xor ("ecx","ecx"); | |
| 2810 | &jmp (&label("14shortcut")); | |
| 2811 | ||
| 2812 | &align (4); | |
| 2813 | &set_label("14loop"); | |
| 2814 | &mov ("edx",&DWP(28,"edi")); # rk[7] | |
| 2815 | &set_label("14shortcut"); | |
| 2816 | &mov ("eax",&DWP(0,"edi")); # rk[0] | |
| 2817 | ||
| 2818 | &enckey (); | |
| 2819 | ||
| 2820 | &mov (&DWP(32,"edi"),"eax"); # rk[8] | |
| 2821 | &xor ("eax",&DWP(4,"edi")); | |
| 2822 | &mov (&DWP(36,"edi"),"eax"); # rk[9] | |
| 2823 | &xor ("eax",&DWP(8,"edi")); | |
| 2824 | &mov (&DWP(40,"edi"),"eax"); # rk[10] | |
| 2825 | &xor ("eax",&DWP(12,"edi")); | |
| 2826 | &mov (&DWP(44,"edi"),"eax"); # rk[11] | |
| 2827 | ||
| 2828 | &cmp ("ecx",6); | |
| 2829 | &je (&label("14break")); | |
| 2830 | &inc ("ecx"); | |
| 2831 | ||
| 2832 | &mov ("edx","eax"); | |
| 2833 | &mov ("eax",&DWP(16,"edi")); # rk[4] | |
| 2834 | &movz ("esi",&LB("edx")); # rk[11]>>0 | |
| 53154d71 | 2835 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| e7e11507 | 2836 | &movz ("esi",&HB("edx")); # rk[11]>>8 |
| e7e11507 AP |
2837 | &xor ("eax","ebx"); |
| 2838 | ||
| 53154d71 | 2839 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| e7e11507 | 2840 | &shr ("edx",16); |
| 53154d71 | 2841 | &shl ("ebx",8); |
| e7e11507 AP |
2842 | &movz ("esi",&LB("edx")); # rk[11]>>16 |
| 2843 | &xor ("eax","ebx"); | |
| 2844 | ||
| 53154d71 | 2845 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| e7e11507 | 2846 | &movz ("esi",&HB("edx")); # rk[11]>>24 |
| 53154d71 | 2847 | &shl ("ebx",16); |
| e7e11507 AP |
2848 | &xor ("eax","ebx"); |
| 2849 | ||
| 53154d71 AP |
2850 | &movz ("ebx",&BP(-128,$tbl,"esi",1)); |
| 2851 | &shl ("ebx",24); | |
| e7e11507 AP |
2852 | &xor ("eax","ebx"); |
| 2853 | ||
| 2854 | &mov (&DWP(48,"edi"),"eax"); # rk[12] | |
| 2855 | &xor ("eax",&DWP(20,"edi")); | |
| 2856 | &mov (&DWP(52,"edi"),"eax"); # rk[13] | |
| 2857 | &xor ("eax",&DWP(24,"edi")); | |
| 2858 | &mov (&DWP(56,"edi"),"eax"); # rk[14] | |
| 2859 | &xor ("eax",&DWP(28,"edi")); | |
| 2860 | &mov (&DWP(60,"edi"),"eax"); # rk[15] | |
| 2861 | ||
| 2862 | &add ("edi",32); | |
| 2863 | &jmp (&label("14loop")); | |
| 2864 | ||
| 2865 | &set_label("14break"); | |
| 2866 | &mov (&DWP(48,"edi"),14); # setup number of rounds | |
| 2867 | &xor ("eax","eax"); | |
| 2868 | &jmp (&label("exit")); | |
| 2869 | ||
| 2870 | &set_label("badpointer"); | |
| 2871 | &mov ("eax",-1); | |
| 2872 | &set_label("exit"); | |
| ad8bd4ec AP |
2873 | &function_end("_x86_AES_set_encrypt_key"); |
| 2874 | ||
| 2875 | # int AES_set_encrypt_key(const unsigned char *userKey, const int bits, | |
| 2876 | # AES_KEY *key) | |
| 2877 | &function_begin_B("AES_set_encrypt_key"); | |
| 2878 | &call ("_x86_AES_set_encrypt_key"); | |
| 2879 | &ret (); | |
| 2880 | &function_end_B("AES_set_encrypt_key"); | |
| e7e11507 AP |
2881 | |
| 2882 | sub deckey() | |
| 53154d71 AP |
2883 | { my ($i,$key,$tp1,$tp2,$tp4,$tp8) = @_; |
| 2884 | my $tmp = $tbl; | |
| e7e11507 | 2885 | |
| 89f1eb82 AP |
2886 | &mov ($tmp,0x80808080); |
| 2887 | &and ($tmp,$tp1); | |
| 96b0f6c1 | 2888 | &lea ($tp2,&DWP(0,$tp1,$tp1)); |
| 89f1eb82 AP |
2889 | &mov ($acc,$tmp); |
| 2890 | &shr ($tmp,7); | |
| 53154d71 | 2891 | &sub ($acc,$tmp); |
| 96b0f6c1 | 2892 | &and ($tp2,0xfefefefe); |
| 53154d71 | 2893 | &and ($acc,0x1b1b1b1b); |
| 89f1eb82 AP |
2894 | &xor ($tp2,$acc); |
| 2895 | &mov ($tmp,0x80808080); | |
| 53154d71 | 2896 | |
| 89f1eb82 | 2897 | &and ($tmp,$tp2); |
| 96b0f6c1 | 2898 | &lea ($tp4,&DWP(0,$tp2,$tp2)); |
| 89f1eb82 AP |
2899 | &mov ($acc,$tmp); |
| 2900 | &shr ($tmp,7); | |
| 53154d71 | 2901 | &sub ($acc,$tmp); |
| 96b0f6c1 | 2902 | &and ($tp4,0xfefefefe); |
| 53154d71 | 2903 | &and ($acc,0x1b1b1b1b); |
| 96b0f6c1 | 2904 | &xor ($tp2,$tp1); # tp2^tp1 |
| 89f1eb82 AP |
2905 | &xor ($tp4,$acc); |
| 2906 | &mov ($tmp,0x80808080); | |
| 53154d71 | 2907 | |
| 89f1eb82 | 2908 | &and ($tmp,$tp4); |
| 96b0f6c1 | 2909 | &lea ($tp8,&DWP(0,$tp4,$tp4)); |
| 89f1eb82 AP |
2910 | &mov ($acc,$tmp); |
| 2911 | &shr ($tmp,7); | |
| 96b0f6c1 | 2912 | &xor ($tp4,$tp1); # tp4^tp1 |
| 53154d71 | 2913 | &sub ($acc,$tmp); |
| 96b0f6c1 | 2914 | &and ($tp8,0xfefefefe); |
| 53154d71 AP |
2915 | &and ($acc,0x1b1b1b1b); |
| 2916 | &rotl ($tp1,8); # = ROTATE(tp1,8) | |
| 2917 | &xor ($tp8,$acc); | |
| 2918 | ||
| 2919 | &mov ($tmp,&DWP(4*($i+1),$key)); # modulo-scheduled load | |
| 2920 | ||
| 2921 | &xor ($tp1,$tp2); | |
| 2922 | &xor ($tp2,$tp8); | |
| 2923 | &xor ($tp1,$tp4); | |
| 2924 | &rotl ($tp2,24); | |
| 2925 | &xor ($tp4,$tp8); | |
| 2926 | &xor ($tp1,$tp8); # ^= tp8^(tp4^tp1)^(tp2^tp1) | |
| 2927 | &rotl ($tp4,16); | |
| 2928 | &xor ($tp1,$tp2); # ^= ROTATE(tp8^tp2^tp1,24) | |
| 2929 | &rotl ($tp8,8); | |
| 2930 | &xor ($tp1,$tp4); # ^= ROTATE(tp8^tp4^tp1,16) | |
| 2931 | &mov ($tp2,$tmp); | |
| 2932 | &xor ($tp1,$tp8); # ^= ROTATE(tp8,8) | |
| 2933 | ||
| 2934 | &mov (&DWP(4*$i,$key),$tp1); | |
| e7e11507 AP |
2935 | } |
| 2936 | ||
| 2937 | # int AES_set_decrypt_key(const unsigned char *userKey, const int bits, | |
| 2938 | # AES_KEY *key) | |
| e7e11507 | 2939 | &function_begin_B("AES_set_decrypt_key"); |
| ad8bd4ec | 2940 | &call ("_x86_AES_set_encrypt_key"); |
| e7e11507 AP |
2941 | &cmp ("eax",0); |
| 2942 | &je (&label("proceed")); | |
| 2943 | &ret (); | |
| 2944 | ||
| 2945 | &set_label("proceed"); | |
| 2946 | &push ("ebp"); | |
| 2947 | &push ("ebx"); | |
| 2948 | &push ("esi"); | |
| 2949 | &push ("edi"); | |
| 2950 | ||
| 2951 | &mov ("esi",&wparam(2)); | |
| 2952 | &mov ("ecx",&DWP(240,"esi")); # pull number of rounds | |
| 2953 | &lea ("ecx",&DWP(0,"","ecx",4)); | |
| 2954 | &lea ("edi",&DWP(0,"esi","ecx",4)); # pointer to last chunk | |
| 2955 | ||
| 53154d71 | 2956 | &set_label("invert",4); # invert order of chunks |
| e7e11507 AP |
2957 | &mov ("eax",&DWP(0,"esi")); |
| 2958 | &mov ("ebx",&DWP(4,"esi")); | |
| 2959 | &mov ("ecx",&DWP(0,"edi")); | |
| 2960 | &mov ("edx",&DWP(4,"edi")); | |
| 2961 | &mov (&DWP(0,"edi"),"eax"); | |
| 2962 | &mov (&DWP(4,"edi"),"ebx"); | |
| 2963 | &mov (&DWP(0,"esi"),"ecx"); | |
| 2964 | &mov (&DWP(4,"esi"),"edx"); | |
| 2965 | &mov ("eax",&DWP(8,"esi")); | |
| 2966 | &mov ("ebx",&DWP(12,"esi")); | |
| 2967 | &mov ("ecx",&DWP(8,"edi")); | |
| 2968 | &mov ("edx",&DWP(12,"edi")); | |
| 2969 | &mov (&DWP(8,"edi"),"eax"); | |
| 2970 | &mov (&DWP(12,"edi"),"ebx"); | |
| 2971 | &mov (&DWP(8,"esi"),"ecx"); | |
| 2972 | &mov (&DWP(12,"esi"),"edx"); | |
| 2973 | &add ("esi",16); | |
| 2974 | &sub ("edi",16); | |
| 2975 | &cmp ("esi","edi"); | |
| 2976 | &jne (&label("invert")); | |
| 2977 | ||
| 53154d71 AP |
2978 | &mov ($key,&wparam(2)); |
| 2979 | &mov ($acc,&DWP(240,$key)); # pull number of rounds | |
| 2980 | &lea ($acc,&DWP(-2,$acc,$acc)); | |
| 2981 | &lea ($acc,&DWP(0,$key,$acc,8)); | |
| 2982 | &mov (&wparam(2),$acc); | |
| e7e11507 | 2983 | |
| 53154d71 AP |
2984 | &mov ($s0,&DWP(16,$key)); # modulo-scheduled load |
| 2985 | &set_label("permute",4); # permute the key schedule | |
| 2986 | &add ($key,16); | |
| 2987 | &deckey (0,$key,$s0,$s1,$s2,$s3); | |
| 2988 | &deckey (1,$key,$s1,$s2,$s3,$s0); | |
| 2989 | &deckey (2,$key,$s2,$s3,$s0,$s1); | |
| 2990 | &deckey (3,$key,$s3,$s0,$s1,$s2); | |
| 2991 | &cmp ($key,&wparam(2)); | |
| 2992 | &jb (&label("permute")); | |
| e7e11507 AP |
2993 | |
| 2994 | &xor ("eax","eax"); # return success | |
| 2995 | &function_end("AES_set_decrypt_key"); | |
| 96b0f6c1 | 2996 | &asciz("AES for x86, CRYPTOGAMS by <appro\@openssl.org>"); |
| e7e11507 | 2997 | |
| 71314710 | 2998 | &asm_finish(); |
| 184bc45f RL |
2999 | |
| 3000 | close STDOUT; |