projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| 4908787f | 1 | #! /usr/bin/env perl |
| da1c088f | 2 | # Copyright 2020-2023 The OpenSSL Project Authors. All Rights Reserved. |
| 4908787f DH |
3 | # |
| 4 | # Licensed under the Apache License 2.0 (the "License"). You may not use | |
| 5 | # this file except in compliance with the License. You can obtain a copy | |
| 6 | # in the file LICENSE in the source distribution or at | |
| 7 | # https://www.openssl.org/source/license.html | |
| 8 | ||
| 9 | # | |
| 10 | # This module implements SM4 with ASIMD on aarch64 | |
| 11 | # | |
| 12 | # Feb 2022 | |
| 13 | # | |
| 14 | ||
| 15 | # $output is the last argument if it looks like a file (it has an extension) | |
| 16 | # $flavour is the first argument if it doesn't look like a file | |
| 17 | $output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef; | |
| 18 | $flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef; | |
| 19 | ||
| 20 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; | |
| 21 | ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or | |
| 22 | ( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or | |
| 23 | die "can't locate arm-xlate.pl"; | |
| 24 | ||
| 25 | open OUT,"| \"$^X\" $xlate $flavour \"$output\"" | |
| 26 | or die "can't call $xlate: $!"; | |
| 27 | *STDOUT=*OUT; | |
| 28 | ||
| 29 | $prefix="vpsm4"; | |
| 30 | my @vtmp=map("v$_",(0..3)); | |
| c007203b | 31 | my @qtmp=map("q$_",(0..3)); |
| 4908787f DH |
32 | my @data=map("v$_",(4..7)); |
| 33 | my @datax=map("v$_",(8..11)); | |
| 34 | my ($rk0,$rk1)=("v12","v13"); | |
| 35 | my ($rka,$rkb)=("v14","v15"); | |
| 36 | my @vtmpx=map("v$_",(12..15)); | |
| 37 | my @sbox=map("v$_",(16..31)); | |
| 38 | my ($inp,$outp,$blocks,$rks)=("x0","x1","w2","x3"); | |
| 39 | my ($tmpw,$tmp,$wtmp0,$wtmp1,$wtmp2)=("w6","x6","w7","w8","w9"); | |
| c007203b | 40 | my ($xtmp1,$xtmp2)=("x8","x9"); |
| 4908787f DH |
41 | my ($ptr,$counter)=("x10","w11"); |
| 42 | my ($word0,$word1,$word2,$word3)=("w12","w13","w14","w15"); | |
| 43 | ||
| 44 | sub rev32() { | |
| 45 | my $dst = shift; | |
| 46 | my $src = shift; | |
| 47 | ||
| 48 | if ($src and ("$src" ne "$dst")) { | |
| 49 | $code.=<<___; | |
| accd3bdd | 50 | #ifndef __AARCH64EB__ |
| 4908787f DH |
51 | rev32 $dst.16b,$src.16b |
| 52 | #else | |
| 53 | mov $dst.16b,$src.16b | |
| 54 | #endif | |
| 55 | ___ | |
| 56 | } else { | |
| 57 | $code.=<<___; | |
| accd3bdd | 58 | #ifndef __AARCH64EB__ |
| 4908787f DH |
59 | rev32 $dst.16b,$dst.16b |
| 60 | #endif | |
| 61 | ___ | |
| 62 | } | |
| 63 | } | |
| 64 | ||
| c007203b XY |
65 | sub rev32_armeb() { |
| 66 | my $dst = shift; | |
| 67 | my $src = shift; | |
| 68 | ||
| 69 | if ($src and ("$src" ne "$dst")) { | |
| 70 | $code.=<<___; | |
| 71 | #ifdef __AARCH64EB__ | |
| 72 | rev32 $dst.16b,$src.16b | |
| 73 | #else | |
| 74 | mov $dst.16b,$src.16b | |
| 75 | #endif | |
| 76 | ___ | |
| 77 | } else { | |
| 78 | $code.=<<___; | |
| 79 | #ifdef __AARCH64EB__ | |
| 80 | rev32 $dst.16b,$dst.16b | |
| 81 | #endif | |
| 82 | ___ | |
| 83 | } | |
| 84 | } | |
| 85 | ||
| 86 | sub rbit() { | |
| 87 | my $dst = shift; | |
| 88 | my $src = shift; | |
| 89 | my $std = shift; | |
| 90 | ||
| 91 | if ($src and ("$src" ne "$dst")) { | |
| 92 | if ($std eq "_gb") { | |
| 93 | $code.=<<___; | |
| 94 | rbit $dst.16b,$src.16b | |
| 95 | ___ | |
| 96 | } else { | |
| 97 | $code.=<<___; | |
| 98 | mov $dst.16b,$src.16b | |
| 99 | ___ | |
| 100 | } | |
| 101 | } else { | |
| 102 | if ($std eq "_gb") { | |
| 103 | $code.=<<___; | |
| 104 | rbit $dst.16b,$src.16b | |
| 105 | ___ | |
| 106 | } | |
| 107 | } | |
| 108 | } | |
| 109 | ||
| 4908787f DH |
110 | sub transpose() { |
| 111 | my ($dat0,$dat1,$dat2,$dat3,$vt0,$vt1,$vt2,$vt3) = @_; | |
| 112 | ||
| 113 | $code.=<<___; | |
| 114 | zip1 $vt0.4s,$dat0.4s,$dat1.4s | |
| 115 | zip2 $vt1.4s,$dat0.4s,$dat1.4s | |
| 116 | zip1 $vt2.4s,$dat2.4s,$dat3.4s | |
| 117 | zip2 $vt3.4s,$dat2.4s,$dat3.4s | |
| 118 | zip1 $dat0.2d,$vt0.2d,$vt2.2d | |
| 119 | zip2 $dat1.2d,$vt0.2d,$vt2.2d | |
| 120 | zip1 $dat2.2d,$vt1.2d,$vt3.2d | |
| 121 | zip2 $dat3.2d,$vt1.2d,$vt3.2d | |
| 122 | ___ | |
| 123 | } | |
| 124 | ||
| 125 | # sbox operations for 4-lane of words | |
| 126 | sub sbox() { | |
| 127 | my $dat = shift; | |
| 128 | ||
| 129 | $code.=<<___; | |
| 130 | movi @vtmp[0].16b,#64 | |
| 131 | movi @vtmp[1].16b,#128 | |
| 132 | movi @vtmp[2].16b,#192 | |
| 133 | sub @vtmp[0].16b,$dat.16b,@vtmp[0].16b | |
| 134 | sub @vtmp[1].16b,$dat.16b,@vtmp[1].16b | |
| 135 | sub @vtmp[2].16b,$dat.16b,@vtmp[2].16b | |
| 136 | tbl $dat.16b,{@sbox[0].16b,@sbox[1].16b,@sbox[2].16b,@sbox[3].16b},$dat.16b | |
| 137 | tbl @vtmp[0].16b,{@sbox[4].16b,@sbox[5].16b,@sbox[6].16b,@sbox[7].16b},@vtmp[0].16b | |
| 138 | tbl @vtmp[1].16b,{@sbox[8].16b,@sbox[9].16b,@sbox[10].16b,@sbox[11].16b},@vtmp[1].16b | |
| 139 | tbl @vtmp[2].16b,{@sbox[12].16b,@sbox[13].16b,@sbox[14].16b,@sbox[15].16b},@vtmp[2].16b | |
| 140 | add @vtmp[0].2d,@vtmp[0].2d,@vtmp[1].2d | |
| 141 | add @vtmp[2].2d,@vtmp[2].2d,$dat.2d | |
| 142 | add $dat.2d,@vtmp[0].2d,@vtmp[2].2d | |
| 143 | ||
| 144 | ushr @vtmp[0].4s,$dat.4s,32-2 | |
| 145 | sli @vtmp[0].4s,$dat.4s,2 | |
| 146 | ushr @vtmp[2].4s,$dat.4s,32-10 | |
| 147 | eor @vtmp[1].16b,@vtmp[0].16b,$dat.16b | |
| 148 | sli @vtmp[2].4s,$dat.4s,10 | |
| 149 | eor @vtmp[1].16b,@vtmp[2].16b,$vtmp[1].16b | |
| 150 | ushr @vtmp[0].4s,$dat.4s,32-18 | |
| 151 | sli @vtmp[0].4s,$dat.4s,18 | |
| 152 | ushr @vtmp[2].4s,$dat.4s,32-24 | |
| 153 | eor @vtmp[1].16b,@vtmp[0].16b,$vtmp[1].16b | |
| 154 | sli @vtmp[2].4s,$dat.4s,24 | |
| 155 | eor $dat.16b,@vtmp[2].16b,@vtmp[1].16b | |
| 156 | ___ | |
| 157 | } | |
| 158 | ||
| 159 | # sbox operation for 8-lane of words | |
| 160 | sub sbox_double() { | |
| 161 | my $dat = shift; | |
| 162 | my $datx = shift; | |
| 163 | ||
| 164 | $code.=<<___; | |
| 165 | movi @vtmp[3].16b,#64 | |
| 166 | sub @vtmp[0].16b,$dat.16b,@vtmp[3].16b | |
| 167 | sub @vtmp[1].16b,@vtmp[0].16b,@vtmp[3].16b | |
| 168 | sub @vtmp[2].16b,@vtmp[1].16b,@vtmp[3].16b | |
| 169 | tbl $dat.16b,{@sbox[0].16b,@sbox[1].16b,@sbox[2].16b,@sbox[3].16b},$dat.16b | |
| 170 | tbl @vtmp[0].16b,{@sbox[4].16b,@sbox[5].16b,@sbox[6].16b,@sbox[7].16b},@vtmp[0].16b | |
| 171 | tbl @vtmp[1].16b,{@sbox[8].16b,@sbox[9].16b,@sbox[10].16b,@sbox[11].16b},@vtmp[1].16b | |
| 172 | tbl @vtmp[2].16b,{@sbox[12].16b,@sbox[13].16b,@sbox[14].16b,@sbox[15].16b},@vtmp[2].16b | |
| 173 | add @vtmp[1].2d,@vtmp[0].2d,@vtmp[1].2d | |
| 174 | add $dat.2d,@vtmp[2].2d,$dat.2d | |
| 175 | add $dat.2d,@vtmp[1].2d,$dat.2d | |
| 176 | ||
| 177 | sub @vtmp[0].16b,$datx.16b,@vtmp[3].16b | |
| 178 | sub @vtmp[1].16b,@vtmp[0].16b,@vtmp[3].16b | |
| 179 | sub @vtmp[2].16b,@vtmp[1].16b,@vtmp[3].16b | |
| 180 | tbl $datx.16b,{@sbox[0].16b,@sbox[1].16b,@sbox[2].16b,@sbox[3].16b},$datx.16b | |
| 181 | tbl @vtmp[0].16b,{@sbox[4].16b,@sbox[5].16b,@sbox[6].16b,@sbox[7].16b},@vtmp[0].16b | |
| 182 | tbl @vtmp[1].16b,{@sbox[8].16b,@sbox[9].16b,@sbox[10].16b,@sbox[11].16b},@vtmp[1].16b | |
| 183 | tbl @vtmp[2].16b,{@sbox[12].16b,@sbox[13].16b,@sbox[14].16b,@sbox[15].16b},@vtmp[2].16b | |
| 184 | add @vtmp[1].2d,@vtmp[0].2d,@vtmp[1].2d | |
| 185 | add $datx.2d,@vtmp[2].2d,$datx.2d | |
| 186 | add $datx.2d,@vtmp[1].2d,$datx.2d | |
| 187 | ||
| 188 | ushr @vtmp[0].4s,$dat.4s,32-2 | |
| 189 | sli @vtmp[0].4s,$dat.4s,2 | |
| 190 | ushr @vtmp[2].4s,$datx.4s,32-2 | |
| 191 | eor @vtmp[1].16b,@vtmp[0].16b,$dat.16b | |
| 192 | sli @vtmp[2].4s,$datx.4s,2 | |
| 193 | ||
| 194 | ushr @vtmp[0].4s,$dat.4s,32-10 | |
| 195 | eor @vtmp[3].16b,@vtmp[2].16b,$datx.16b | |
| 196 | sli @vtmp[0].4s,$dat.4s,10 | |
| 197 | ushr @vtmp[2].4s,$datx.4s,32-10 | |
| 198 | eor @vtmp[1].16b,@vtmp[0].16b,$vtmp[1].16b | |
| 199 | sli @vtmp[2].4s,$datx.4s,10 | |
| 200 | ||
| 201 | ushr @vtmp[0].4s,$dat.4s,32-18 | |
| 202 | eor @vtmp[3].16b,@vtmp[2].16b,$vtmp[3].16b | |
| 203 | sli @vtmp[0].4s,$dat.4s,18 | |
| 204 | ushr @vtmp[2].4s,$datx.4s,32-18 | |
| 205 | eor @vtmp[1].16b,@vtmp[0].16b,$vtmp[1].16b | |
| 206 | sli @vtmp[2].4s,$datx.4s,18 | |
| 207 | ||
| 208 | ushr @vtmp[0].4s,$dat.4s,32-24 | |
| 209 | eor @vtmp[3].16b,@vtmp[2].16b,$vtmp[3].16b | |
| 210 | sli @vtmp[0].4s,$dat.4s,24 | |
| 211 | ushr @vtmp[2].4s,$datx.4s,32-24 | |
| 212 | eor $dat.16b,@vtmp[0].16b,@vtmp[1].16b | |
| 213 | sli @vtmp[2].4s,$datx.4s,24 | |
| 214 | eor $datx.16b,@vtmp[2].16b,@vtmp[3].16b | |
| 215 | ___ | |
| 216 | } | |
| 217 | ||
| 218 | # sbox operation for one single word | |
| 219 | sub sbox_1word () { | |
| 220 | my $word = shift; | |
| 221 | ||
| 222 | $code.=<<___; | |
| 223 | movi @vtmp[1].16b,#64 | |
| 224 | movi @vtmp[2].16b,#128 | |
| 225 | movi @vtmp[3].16b,#192 | |
| 226 | mov @vtmp[0].s[0],$word | |
| 227 | ||
| 228 | sub @vtmp[1].16b,@vtmp[0].16b,@vtmp[1].16b | |
| 229 | sub @vtmp[2].16b,@vtmp[0].16b,@vtmp[2].16b | |
| 230 | sub @vtmp[3].16b,@vtmp[0].16b,@vtmp[3].16b | |
| 231 | ||
| 232 | tbl @vtmp[0].16b,{@sbox[0].16b,@sbox[1].16b,@sbox[2].16b,@sbox[3].16b},@vtmp[0].16b | |
| 233 | tbl @vtmp[1].16b,{@sbox[4].16b,@sbox[5].16b,@sbox[6].16b,@sbox[7].16b},@vtmp[1].16b | |
| 234 | tbl @vtmp[2].16b,{@sbox[8].16b,@sbox[9].16b,@sbox[10].16b,@sbox[11].16b},@vtmp[2].16b | |
| 235 | tbl @vtmp[3].16b,{@sbox[12].16b,@sbox[13].16b,@sbox[14].16b,@sbox[15].16b},@vtmp[3].16b | |
| 236 | ||
| 237 | mov $word,@vtmp[0].s[0] | |
| 238 | mov $wtmp0,@vtmp[1].s[0] | |
| 239 | mov $wtmp2,@vtmp[2].s[0] | |
| 240 | add $wtmp0,$word,$wtmp0 | |
| 241 | mov $word,@vtmp[3].s[0] | |
| 242 | add $wtmp0,$wtmp0,$wtmp2 | |
| 243 | add $wtmp0,$wtmp0,$word | |
| 244 | ||
| 245 | eor $word,$wtmp0,$wtmp0,ror #32-2 | |
| 246 | eor $word,$word,$wtmp0,ror #32-10 | |
| 247 | eor $word,$word,$wtmp0,ror #32-18 | |
| 248 | eor $word,$word,$wtmp0,ror #32-24 | |
| 249 | ___ | |
| 250 | } | |
| 251 | ||
| 252 | # sm4 for one block of data, in scalar registers word0/word1/word2/word3 | |
| 253 | sub sm4_1blk () { | |
| 254 | my $kptr = shift; | |
| 255 | ||
| 256 | $code.=<<___; | |
| 257 | ldp $wtmp0,$wtmp1,[$kptr],8 | |
| 258 | // B0 ^= SBOX(B1 ^ B2 ^ B3 ^ RK0) | |
| 259 | eor $tmpw,$word2,$word3 | |
| 260 | eor $wtmp2,$wtmp0,$word1 | |
| 261 | eor $tmpw,$tmpw,$wtmp2 | |
| 262 | ___ | |
| 263 | &sbox_1word($tmpw); | |
| 264 | $code.=<<___; | |
| 265 | eor $word0,$word0,$tmpw | |
| 266 | // B1 ^= SBOX(B0 ^ B2 ^ B3 ^ RK1) | |
| 267 | eor $tmpw,$word2,$word3 | |
| 268 | eor $wtmp2,$word0,$wtmp1 | |
| 269 | eor $tmpw,$tmpw,$wtmp2 | |
| 270 | ___ | |
| 271 | &sbox_1word($tmpw); | |
| 272 | $code.=<<___; | |
| 273 | ldp $wtmp0,$wtmp1,[$kptr],8 | |
| 274 | eor $word1,$word1,$tmpw | |
| 275 | // B2 ^= SBOX(B0 ^ B1 ^ B3 ^ RK2) | |
| 276 | eor $tmpw,$word0,$word1 | |
| 277 | eor $wtmp2,$wtmp0,$word3 | |
| 278 | eor $tmpw,$tmpw,$wtmp2 | |
| 279 | ___ | |
| 280 | &sbox_1word($tmpw); | |
| 281 | $code.=<<___; | |
| 282 | eor $word2,$word2,$tmpw | |
| 283 | // B3 ^= SBOX(B0 ^ B1 ^ B2 ^ RK3) | |
| 284 | eor $tmpw,$word0,$word1 | |
| 285 | eor $wtmp2,$word2,$wtmp1 | |
| 286 | eor $tmpw,$tmpw,$wtmp2 | |
| 287 | ___ | |
| 288 | &sbox_1word($tmpw); | |
| 289 | $code.=<<___; | |
| 290 | eor $word3,$word3,$tmpw | |
| 291 | ___ | |
| 292 | } | |
| 293 | ||
| 294 | # sm4 for 4-lanes of data, in neon registers data0/data1/data2/data3 | |
| 295 | sub sm4_4blks () { | |
| 296 | my $kptr = shift; | |
| 297 | ||
| 298 | $code.=<<___; | |
| 299 | ldp $wtmp0,$wtmp1,[$kptr],8 | |
| 300 | dup $rk0.4s,$wtmp0 | |
| 301 | dup $rk1.4s,$wtmp1 | |
| 302 | ||
| 303 | // B0 ^= SBOX(B1 ^ B2 ^ B3 ^ RK0) | |
| 304 | eor $rka.16b,@data[2].16b,@data[3].16b | |
| 305 | eor $rk0.16b,@data[1].16b,$rk0.16b | |
| 306 | eor $rk0.16b,$rka.16b,$rk0.16b | |
| 307 | ___ | |
| 308 | &sbox($rk0); | |
| 309 | $code.=<<___; | |
| 310 | eor @data[0].16b,@data[0].16b,$rk0.16b | |
| 311 | ||
| 312 | // B1 ^= SBOX(B0 ^ B2 ^ B3 ^ RK1) | |
| 313 | eor $rka.16b,$rka.16b,@data[0].16b | |
| 314 | eor $rk1.16b,$rka.16b,$rk1.16b | |
| 315 | ___ | |
| 316 | &sbox($rk1); | |
| 317 | $code.=<<___; | |
| 318 | ldp $wtmp0,$wtmp1,[$kptr],8 | |
| 319 | eor @data[1].16b,@data[1].16b,$rk1.16b | |
| 320 | ||
| 321 | dup $rk0.4s,$wtmp0 | |
| 322 | dup $rk1.4s,$wtmp1 | |
| 323 | ||
| 324 | // B2 ^= SBOX(B0 ^ B1 ^ B3 ^ RK2) | |
| 325 | eor $rka.16b,@data[0].16b,@data[1].16b | |
| 326 | eor $rk0.16b,@data[3].16b,$rk0.16b | |
| 327 | eor $rk0.16b,$rka.16b,$rk0.16b | |
| 328 | ___ | |
| 329 | &sbox($rk0); | |
| 330 | $code.=<<___; | |
| 331 | eor @data[2].16b,@data[2].16b,$rk0.16b | |
| 332 | ||
| 333 | // B3 ^= SBOX(B0 ^ B1 ^ B2 ^ RK3) | |
| 334 | eor $rka.16b,$rka.16b,@data[2].16b | |
| 335 | eor $rk1.16b,$rka.16b,$rk1.16b | |
| 336 | ___ | |
| 337 | &sbox($rk1); | |
| 338 | $code.=<<___; | |
| 339 | eor @data[3].16b,@data[3].16b,$rk1.16b | |
| 340 | ___ | |
| 341 | } | |
| 342 | ||
| 343 | # sm4 for 8 lanes of data, in neon registers | |
| 344 | # data0/data1/data2/data3 datax0/datax1/datax2/datax3 | |
| 345 | sub sm4_8blks () { | |
| 346 | my $kptr = shift; | |
| 347 | ||
| 348 | $code.=<<___; | |
| 349 | ldp $wtmp0,$wtmp1,[$kptr],8 | |
| 350 | // B0 ^= SBOX(B1 ^ B2 ^ B3 ^ RK0) | |
| 351 | dup $rk0.4s,$wtmp0 | |
| 352 | eor $rka.16b,@data[2].16b,@data[3].16b | |
| 353 | eor $rkb.16b,@datax[2].16b,@datax[3].16b | |
| 354 | eor @vtmp[0].16b,@data[1].16b,$rk0.16b | |
| 355 | eor @vtmp[1].16b,@datax[1].16b,$rk0.16b | |
| 356 | eor $rk0.16b,$rka.16b,@vtmp[0].16b | |
| 357 | eor $rk1.16b,$rkb.16b,@vtmp[1].16b | |
| 358 | ___ | |
| 359 | &sbox_double($rk0,$rk1); | |
| 360 | $code.=<<___; | |
| 361 | eor @data[0].16b,@data[0].16b,$rk0.16b | |
| 362 | eor @datax[0].16b,@datax[0].16b,$rk1.16b | |
| 363 | ||
| 364 | // B1 ^= SBOX(B0 ^ B2 ^ B3 ^ RK1) | |
| 365 | dup $rk1.4s,$wtmp1 | |
| 366 | eor $rka.16b,$rka.16b,@data[0].16b | |
| 367 | eor $rkb.16b,$rkb.16b,@datax[0].16b | |
| 368 | eor $rk0.16b,$rka.16b,$rk1.16b | |
| 369 | eor $rk1.16b,$rkb.16b,$rk1.16b | |
| 370 | ___ | |
| 371 | &sbox_double($rk0,$rk1); | |
| 372 | $code.=<<___; | |
| 373 | ldp $wtmp0,$wtmp1,[$kptr],8 | |
| 374 | eor @data[1].16b,@data[1].16b,$rk0.16b | |
| 375 | eor @datax[1].16b,@datax[1].16b,$rk1.16b | |
| 376 | ||
| 377 | // B2 ^= SBOX(B0 ^ B1 ^ B3 ^ RK2) | |
| 378 | dup $rk0.4s,$wtmp0 | |
| 379 | eor $rka.16b,@data[0].16b,@data[1].16b | |
| 380 | eor $rkb.16b,@datax[0].16b,@datax[1].16b | |
| 381 | eor @vtmp[0].16b,@data[3].16b,$rk0.16b | |
| 382 | eor @vtmp[1].16b,@datax[3].16b,$rk0.16b | |
| 383 | eor $rk0.16b,$rka.16b,@vtmp[0].16b | |
| 384 | eor $rk1.16b,$rkb.16b,@vtmp[1].16b | |
| 385 | ___ | |
| 386 | &sbox_double($rk0,$rk1); | |
| 387 | $code.=<<___; | |
| 388 | eor @data[2].16b,@data[2].16b,$rk0.16b | |
| 389 | eor @datax[2].16b,@datax[2].16b,$rk1.16b | |
| 390 | ||
| 391 | // B3 ^= SBOX(B0 ^ B1 ^ B2 ^ RK3) | |
| 392 | dup $rk1.4s,$wtmp1 | |
| 393 | eor $rka.16b,$rka.16b,@data[2].16b | |
| 394 | eor $rkb.16b,$rkb.16b,@datax[2].16b | |
| 395 | eor $rk0.16b,$rka.16b,$rk1.16b | |
| 396 | eor $rk1.16b,$rkb.16b,$rk1.16b | |
| 397 | ___ | |
| 398 | &sbox_double($rk0,$rk1); | |
| 399 | $code.=<<___; | |
| 400 | eor @data[3].16b,@data[3].16b,$rk0.16b | |
| 401 | eor @datax[3].16b,@datax[3].16b,$rk1.16b | |
| 402 | ___ | |
| 403 | } | |
| 404 | ||
| 405 | sub encrypt_1blk_norev() { | |
| 406 | my $dat = shift; | |
| 407 | ||
| 408 | $code.=<<___; | |
| 409 | mov $ptr,$rks | |
| 410 | mov $counter,#8 | |
| 411 | mov $word0,$dat.s[0] | |
| 412 | mov $word1,$dat.s[1] | |
| 413 | mov $word2,$dat.s[2] | |
| 414 | mov $word3,$dat.s[3] | |
| 415 | 10: | |
| 416 | ___ | |
| 417 | &sm4_1blk($ptr); | |
| 418 | $code.=<<___; | |
| 419 | subs $counter,$counter,#1 | |
| 420 | b.ne 10b | |
| 421 | mov $dat.s[0],$word3 | |
| 422 | mov $dat.s[1],$word2 | |
| 423 | mov $dat.s[2],$word1 | |
| 424 | mov $dat.s[3],$word0 | |
| 425 | ___ | |
| 426 | } | |
| 427 | ||
| 428 | sub encrypt_1blk() { | |
| 429 | my $dat = shift; | |
| 430 | ||
| 431 | &encrypt_1blk_norev($dat); | |
| 432 | &rev32($dat,$dat); | |
| 433 | } | |
| 434 | ||
| 435 | sub encrypt_4blks() { | |
| 436 | $code.=<<___; | |
| 437 | mov $ptr,$rks | |
| 438 | mov $counter,#8 | |
| 439 | 10: | |
| 440 | ___ | |
| 441 | &sm4_4blks($ptr); | |
| 442 | $code.=<<___; | |
| 443 | subs $counter,$counter,#1 | |
| 444 | b.ne 10b | |
| 445 | ___ | |
| 446 | &rev32(@vtmp[3],@data[0]); | |
| 447 | &rev32(@vtmp[2],@data[1]); | |
| 448 | &rev32(@vtmp[1],@data[2]); | |
| 449 | &rev32(@vtmp[0],@data[3]); | |
| 450 | } | |
| 451 | ||
| 452 | sub encrypt_8blks() { | |
| 453 | $code.=<<___; | |
| 454 | mov $ptr,$rks | |
| 455 | mov $counter,#8 | |
| 456 | 10: | |
| 457 | ___ | |
| 458 | &sm4_8blks($ptr); | |
| 459 | $code.=<<___; | |
| 460 | subs $counter,$counter,#1 | |
| 461 | b.ne 10b | |
| 462 | ___ | |
| 463 | &rev32(@vtmp[3],@data[0]); | |
| 464 | &rev32(@vtmp[2],@data[1]); | |
| 465 | &rev32(@vtmp[1],@data[2]); | |
| 466 | &rev32(@vtmp[0],@data[3]); | |
| 467 | &rev32(@data[3],@datax[0]); | |
| 468 | &rev32(@data[2],@datax[1]); | |
| 469 | &rev32(@data[1],@datax[2]); | |
| 470 | &rev32(@data[0],@datax[3]); | |
| 471 | } | |
| 472 | ||
| 473 | sub load_sbox () { | |
| 474 | my $data = shift; | |
| 475 | ||
| 476 | $code.=<<___; | |
| 477 | adr $ptr,.Lsbox | |
| accd3bdd XY |
478 | ld1 {@sbox[0].16b,@sbox[1].16b,@sbox[2].16b,@sbox[3].16b},[$ptr],#64 |
| 479 | ld1 {@sbox[4].16b,@sbox[5].16b,@sbox[6].16b,@sbox[7].16b},[$ptr],#64 | |
| 480 | ld1 {@sbox[8].16b,@sbox[9].16b,@sbox[10].16b,@sbox[11].16b},[$ptr],#64 | |
| 481 | ld1 {@sbox[12].16b,@sbox[13].16b,@sbox[14].16b,@sbox[15].16b},[$ptr] | |
| 4908787f DH |
482 | ___ |
| 483 | } | |
| 484 | ||
| c007203b XY |
485 | |
| 486 | sub mov_reg_to_vec() { | |
| 487 | my $src0 = shift; | |
| 488 | my $src1 = shift; | |
| 489 | my $desv = shift; | |
| 490 | $code.=<<___; | |
| 491 | mov $desv.d[0],$src0 | |
| 492 | mov $desv.d[1],$src1 | |
| 493 | ___ | |
| 494 | &rev32_armeb($desv,$desv); | |
| 495 | } | |
| 496 | ||
| 497 | sub mov_vec_to_reg() { | |
| 498 | my $srcv = shift; | |
| 499 | my $des0 = shift; | |
| 500 | my $des1 = shift; | |
| 501 | $code.=<<___; | |
| 502 | mov $des0,$srcv.d[0] | |
| 503 | mov $des1,$srcv.d[1] | |
| 504 | ___ | |
| 505 | } | |
| 506 | ||
| 507 | sub compute_tweak() { | |
| 508 | my $src0 = shift; | |
| 509 | my $src1 = shift; | |
| 510 | my $des0 = shift; | |
| 511 | my $des1 = shift; | |
| 512 | $code.=<<___; | |
| 513 | mov $wtmp0,0x87 | |
| 514 | extr $xtmp2,$src1,$src1,#32 | |
| 515 | extr $des1,$src1,$src0,#63 | |
| 516 | and $wtmp1,$wtmp0,$wtmp2,asr#31 | |
| 517 | eor $des0,$xtmp1,$src0,lsl#1 | |
| 518 | ___ | |
| 519 | } | |
| 520 | ||
| 521 | sub compute_tweak_vec() { | |
| 522 | my $src = shift; | |
| 523 | my $des = shift; | |
| 524 | my $std = shift; | |
| 525 | &rbit(@vtmp[2],$src,$std); | |
| 526 | $code.=<<___; | |
| cded5d05 | 527 | ldr @qtmp[0], .Lxts_magic |
| c007203b XY |
528 | shl $des.16b, @vtmp[2].16b, #1 |
| 529 | ext @vtmp[1].16b, @vtmp[2].16b, @vtmp[2].16b,#15 | |
| 530 | ushr @vtmp[1].16b, @vtmp[1].16b, #7 | |
| 531 | mul @vtmp[1].16b, @vtmp[1].16b, @vtmp[0].16b | |
| 532 | eor $des.16b, $des.16b, @vtmp[1].16b | |
| 533 | ___ | |
| 534 | &rbit($des,$des,$std); | |
| 535 | } | |
| 536 | ||
| 4908787f DH |
537 | $code=<<___; |
| 538 | #include "arm_arch.h" | |
| 539 | .arch armv8-a | |
| 540 | .text | |
| 541 | ||
| 542 | .type _vpsm4_consts,%object | |
| 543 | .align 7 | |
| 544 | _vpsm4_consts: | |
| 545 | .Lsbox: | |
| 546 | .byte 0xD6,0x90,0xE9,0xFE,0xCC,0xE1,0x3D,0xB7,0x16,0xB6,0x14,0xC2,0x28,0xFB,0x2C,0x05 | |
| 547 | .byte 0x2B,0x67,0x9A,0x76,0x2A,0xBE,0x04,0xC3,0xAA,0x44,0x13,0x26,0x49,0x86,0x06,0x99 | |
| 548 | .byte 0x9C,0x42,0x50,0xF4,0x91,0xEF,0x98,0x7A,0x33,0x54,0x0B,0x43,0xED,0xCF,0xAC,0x62 | |
| 549 | .byte 0xE4,0xB3,0x1C,0xA9,0xC9,0x08,0xE8,0x95,0x80,0xDF,0x94,0xFA,0x75,0x8F,0x3F,0xA6 | |
| 550 | .byte 0x47,0x07,0xA7,0xFC,0xF3,0x73,0x17,0xBA,0x83,0x59,0x3C,0x19,0xE6,0x85,0x4F,0xA8 | |
| 551 | .byte 0x68,0x6B,0x81,0xB2,0x71,0x64,0xDA,0x8B,0xF8,0xEB,0x0F,0x4B,0x70,0x56,0x9D,0x35 | |
| 552 | .byte 0x1E,0x24,0x0E,0x5E,0x63,0x58,0xD1,0xA2,0x25,0x22,0x7C,0x3B,0x01,0x21,0x78,0x87 | |
| 553 | .byte 0xD4,0x00,0x46,0x57,0x9F,0xD3,0x27,0x52,0x4C,0x36,0x02,0xE7,0xA0,0xC4,0xC8,0x9E | |
| 554 | .byte 0xEA,0xBF,0x8A,0xD2,0x40,0xC7,0x38,0xB5,0xA3,0xF7,0xF2,0xCE,0xF9,0x61,0x15,0xA1 | |
| 555 | .byte 0xE0,0xAE,0x5D,0xA4,0x9B,0x34,0x1A,0x55,0xAD,0x93,0x32,0x30,0xF5,0x8C,0xB1,0xE3 | |
| 556 | .byte 0x1D,0xF6,0xE2,0x2E,0x82,0x66,0xCA,0x60,0xC0,0x29,0x23,0xAB,0x0D,0x53,0x4E,0x6F | |
| 557 | .byte 0xD5,0xDB,0x37,0x45,0xDE,0xFD,0x8E,0x2F,0x03,0xFF,0x6A,0x72,0x6D,0x6C,0x5B,0x51 | |
| 558 | .byte 0x8D,0x1B,0xAF,0x92,0xBB,0xDD,0xBC,0x7F,0x11,0xD9,0x5C,0x41,0x1F,0x10,0x5A,0xD8 | |
| 559 | .byte 0x0A,0xC1,0x31,0x88,0xA5,0xCD,0x7B,0xBD,0x2D,0x74,0xD0,0x12,0xB8,0xE5,0xB4,0xB0 | |
| 560 | .byte 0x89,0x69,0x97,0x4A,0x0C,0x96,0x77,0x7E,0x65,0xB9,0xF1,0x09,0xC5,0x6E,0xC6,0x84 | |
| 561 | .byte 0x18,0xF0,0x7D,0xEC,0x3A,0xDC,0x4D,0x20,0x79,0xEE,0x5F,0x3E,0xD7,0xCB,0x39,0x48 | |
| 562 | .Lck: | |
| 563 | .long 0x00070E15, 0x1C232A31, 0x383F464D, 0x545B6269 | |
| 564 | .long 0x70777E85, 0x8C939AA1, 0xA8AFB6BD, 0xC4CBD2D9 | |
| 565 | .long 0xE0E7EEF5, 0xFC030A11, 0x181F262D, 0x343B4249 | |
| 566 | .long 0x50575E65, 0x6C737A81, 0x888F969D, 0xA4ABB2B9 | |
| 567 | .long 0xC0C7CED5, 0xDCE3EAF1, 0xF8FF060D, 0x141B2229 | |
| 568 | .long 0x30373E45, 0x4C535A61, 0x686F767D, 0x848B9299 | |
| 569 | .long 0xA0A7AEB5, 0xBCC3CAD1, 0xD8DFE6ED, 0xF4FB0209 | |
| 570 | .long 0x10171E25, 0x2C333A41, 0x484F565D, 0x646B7279 | |
| 571 | .Lfk: | |
| 852438ad | 572 | .quad 0x56aa3350a3b1bac6,0xb27022dc677d9197 |
| 4908787f | 573 | .Lshuffles: |
| 852438ad | 574 | .quad 0x0B0A090807060504,0x030201000F0E0D0C |
| cded5d05 | 575 | .Lxts_magic: |
| 852438ad | 576 | .quad 0x0101010101010187,0x0101010101010101 |
| 4908787f DH |
577 | |
| 578 | .size _vpsm4_consts,.-_vpsm4_consts | |
| 579 | ___ | |
| 580 | ||
| 581 | {{{ | |
| 582 | my ($key,$keys,$enc)=("x0","x1","w2"); | |
| 583 | my ($pointer,$schedules,$wtmp,$roundkey)=("x5","x6","w7","w8"); | |
| 584 | my ($vkey,$vfk,$vmap)=("v5","v6","v7"); | |
| 585 | $code.=<<___; | |
| 586 | .type _vpsm4_set_key,%function | |
| 587 | .align 4 | |
| 588 | _vpsm4_set_key: | |
| 589 | AARCH64_VALID_CALL_TARGET | |
| 590 | ld1 {$vkey.4s},[$key] | |
| 591 | ___ | |
| 592 | &load_sbox(); | |
| 593 | &rev32($vkey,$vkey); | |
| 594 | $code.=<<___; | |
| 595 | adr $pointer,.Lshuffles | |
| accd3bdd | 596 | ld1 {$vmap.2d},[$pointer] |
| 4908787f | 597 | adr $pointer,.Lfk |
| accd3bdd | 598 | ld1 {$vfk.2d},[$pointer] |
| 4908787f DH |
599 | eor $vkey.16b,$vkey.16b,$vfk.16b |
| 600 | mov $schedules,#32 | |
| 601 | adr $pointer,.Lck | |
| 602 | movi @vtmp[0].16b,#64 | |
| 603 | cbnz $enc,1f | |
| 604 | add $keys,$keys,124 | |
| 605 | 1: | |
| 606 | mov $wtmp,$vkey.s[1] | |
| 607 | ldr $roundkey,[$pointer],#4 | |
| 608 | eor $roundkey,$roundkey,$wtmp | |
| 609 | mov $wtmp,$vkey.s[2] | |
| 610 | eor $roundkey,$roundkey,$wtmp | |
| 611 | mov $wtmp,$vkey.s[3] | |
| 612 | eor $roundkey,$roundkey,$wtmp | |
| 613 | // sbox lookup | |
| 614 | mov @data[0].s[0],$roundkey | |
| 615 | tbl @vtmp[1].16b,{@sbox[0].16b,@sbox[1].16b,@sbox[2].16b,@sbox[3].16b},@data[0].16b | |
| 616 | sub @data[0].16b,@data[0].16b,@vtmp[0].16b | |
| 617 | tbx @vtmp[1].16b,{@sbox[4].16b,@sbox[5].16b,@sbox[6].16b,@sbox[7].16b},@data[0].16b | |
| 618 | sub @data[0].16b,@data[0].16b,@vtmp[0].16b | |
| 619 | tbx @vtmp[1].16b,{@sbox[8].16b,@sbox[9].16b,@sbox[10].16b,@sbox[11].16b},@data[0].16b | |
| 620 | sub @data[0].16b,@data[0].16b,@vtmp[0].16b | |
| 621 | tbx @vtmp[1].16b,{@sbox[12].16b,@sbox[13].16b,@sbox[14].16b,@sbox[15].16b},@data[0].16b | |
| 622 | mov $wtmp,@vtmp[1].s[0] | |
| 623 | eor $roundkey,$wtmp,$wtmp,ror #19 | |
| 624 | eor $roundkey,$roundkey,$wtmp,ror #9 | |
| 625 | mov $wtmp,$vkey.s[0] | |
| 626 | eor $roundkey,$roundkey,$wtmp | |
| 627 | mov $vkey.s[0],$roundkey | |
| 628 | cbz $enc,2f | |
| 629 | str $roundkey,[$keys],#4 | |
| 630 | b 3f | |
| 631 | 2: | |
| 632 | str $roundkey,[$keys],#-4 | |
| 633 | 3: | |
| 634 | tbl $vkey.16b,{$vkey.16b},$vmap.16b | |
| 635 | subs $schedules,$schedules,#1 | |
| 636 | b.ne 1b | |
| 637 | ret | |
| 638 | .size _vpsm4_set_key,.-_vpsm4_set_key | |
| 639 | ___ | |
| 640 | }}} | |
| 641 | ||
| 642 | ||
| 643 | {{{ | |
| 644 | $code.=<<___; | |
| 645 | .type _vpsm4_enc_4blks,%function | |
| 646 | .align 4 | |
| 647 | _vpsm4_enc_4blks: | |
| 648 | AARCH64_VALID_CALL_TARGET | |
| 649 | ___ | |
| 650 | &encrypt_4blks(); | |
| 651 | $code.=<<___; | |
| 652 | ret | |
| 653 | .size _vpsm4_enc_4blks,.-_vpsm4_enc_4blks | |
| 654 | ___ | |
| 655 | }}} | |
| 656 | ||
| 657 | {{{ | |
| 658 | $code.=<<___; | |
| 659 | .type _vpsm4_enc_8blks,%function | |
| 660 | .align 4 | |
| 661 | _vpsm4_enc_8blks: | |
| 662 | AARCH64_VALID_CALL_TARGET | |
| 663 | ___ | |
| 664 | &encrypt_8blks(); | |
| 665 | $code.=<<___; | |
| 666 | ret | |
| 667 | .size _vpsm4_enc_8blks,.-_vpsm4_enc_8blks | |
| 668 | ___ | |
| 669 | }}} | |
| 670 | ||
| 671 | ||
| 672 | {{{ | |
| 673 | my ($key,$keys)=("x0","x1"); | |
| 674 | $code.=<<___; | |
| 675 | .globl ${prefix}_set_encrypt_key | |
| 676 | .type ${prefix}_set_encrypt_key,%function | |
| 677 | .align 5 | |
| 678 | ${prefix}_set_encrypt_key: | |
| 679 | AARCH64_SIGN_LINK_REGISTER | |
| 680 | stp x29,x30,[sp,#-16]! | |
| 681 | mov w2,1 | |
| 682 | bl _vpsm4_set_key | |
| 683 | ldp x29,x30,[sp],#16 | |
| 684 | AARCH64_VALIDATE_LINK_REGISTER | |
| 685 | ret | |
| 686 | .size ${prefix}_set_encrypt_key,.-${prefix}_set_encrypt_key | |
| 687 | ___ | |
| 688 | }}} | |
| 689 | ||
| 690 | {{{ | |
| 691 | my ($key,$keys)=("x0","x1"); | |
| 692 | $code.=<<___; | |
| 693 | .globl ${prefix}_set_decrypt_key | |
| 694 | .type ${prefix}_set_decrypt_key,%function | |
| 695 | .align 5 | |
| 696 | ${prefix}_set_decrypt_key: | |
| 697 | AARCH64_SIGN_LINK_REGISTER | |
| 698 | stp x29,x30,[sp,#-16]! | |
| 699 | mov w2,0 | |
| 700 | bl _vpsm4_set_key | |
| 701 | ldp x29,x30,[sp],#16 | |
| 702 | AARCH64_VALIDATE_LINK_REGISTER | |
| 703 | ret | |
| 704 | .size ${prefix}_set_decrypt_key,.-${prefix}_set_decrypt_key | |
| 705 | ___ | |
| 706 | }}} | |
| 707 | ||
| 708 | {{{ | |
| 709 | sub gen_block () { | |
| 710 | my $dir = shift; | |
| 711 | my ($inp,$outp,$rk)=map("x$_",(0..2)); | |
| 712 | ||
| 713 | $code.=<<___; | |
| 714 | .globl ${prefix}_${dir}crypt | |
| 715 | .type ${prefix}_${dir}crypt,%function | |
| 716 | .align 5 | |
| 717 | ${prefix}_${dir}crypt: | |
| 718 | AARCH64_VALID_CALL_TARGET | |
| accd3bdd | 719 | ld1 {@data[0].4s},[$inp] |
| 4908787f DH |
720 | ___ |
| 721 | &load_sbox(); | |
| 722 | &rev32(@data[0],@data[0]); | |
| 723 | $code.=<<___; | |
| 724 | mov $rks,x2 | |
| 725 | ___ | |
| 726 | &encrypt_1blk(@data[0]); | |
| 727 | $code.=<<___; | |
| accd3bdd | 728 | st1 {@data[0].4s},[$outp] |
| 4908787f DH |
729 | ret |
| 730 | .size ${prefix}_${dir}crypt,.-${prefix}_${dir}crypt | |
| 731 | ___ | |
| 732 | } | |
| 733 | &gen_block("en"); | |
| 734 | &gen_block("de"); | |
| 735 | }}} | |
| 736 | ||
| 737 | {{{ | |
| 738 | my ($enc) = ("w4"); | |
| 739 | my @dat=map("v$_",(16..23)); | |
| 740 | ||
| 741 | $code.=<<___; | |
| 742 | .globl ${prefix}_ecb_encrypt | |
| 743 | .type ${prefix}_ecb_encrypt,%function | |
| 744 | .align 5 | |
| 745 | ${prefix}_ecb_encrypt: | |
| 746 | AARCH64_SIGN_LINK_REGISTER | |
| 747 | // convert length into blocks | |
| 748 | lsr x2,x2,4 | |
| 749 | stp d8,d9,[sp,#-80]! | |
| 750 | stp d10,d11,[sp,#16] | |
| 751 | stp d12,d13,[sp,#32] | |
| 752 | stp d14,d15,[sp,#48] | |
| 753 | stp x29,x30,[sp,#64] | |
| 754 | ___ | |
| 755 | &load_sbox(); | |
| 756 | $code.=<<___; | |
| 757 | .Lecb_8_blocks_process: | |
| 758 | cmp $blocks,#8 | |
| 759 | b.lt .Lecb_4_blocks_process | |
| 760 | ld4 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp],#64 | |
| 761 | ld4 {@datax[0].4s,$datax[1].4s,@datax[2].4s,@datax[3].4s},[$inp],#64 | |
| 762 | ___ | |
| 763 | &rev32(@data[0],@data[0]); | |
| 764 | &rev32(@data[1],@data[1]); | |
| 765 | &rev32(@data[2],@data[2]); | |
| 766 | &rev32(@data[3],@data[3]); | |
| 767 | &rev32(@datax[0],@datax[0]); | |
| 768 | &rev32(@datax[1],@datax[1]); | |
| 769 | &rev32(@datax[2],@datax[2]); | |
| 770 | &rev32(@datax[3],@datax[3]); | |
| 771 | $code.=<<___; | |
| 772 | bl _vpsm4_enc_8blks | |
| 773 | st4 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 774 | st4 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$outp],#64 | |
| 775 | subs $blocks,$blocks,#8 | |
| 776 | b.gt .Lecb_8_blocks_process | |
| 777 | b 100f | |
| 778 | .Lecb_4_blocks_process: | |
| 779 | cmp $blocks,#4 | |
| 780 | b.lt 1f | |
| 781 | ld4 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp],#64 | |
| 782 | ___ | |
| 783 | &rev32(@data[0],@data[0]); | |
| 784 | &rev32(@data[1],@data[1]); | |
| 785 | &rev32(@data[2],@data[2]); | |
| 786 | &rev32(@data[3],@data[3]); | |
| 787 | $code.=<<___; | |
| 788 | bl _vpsm4_enc_4blks | |
| 789 | st4 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 790 | sub $blocks,$blocks,#4 | |
| 791 | 1: | |
| 792 | // process last block | |
| 793 | cmp $blocks,#1 | |
| 794 | b.lt 100f | |
| 795 | b.gt 1f | |
| accd3bdd | 796 | ld1 {@data[0].4s},[$inp] |
| 4908787f DH |
797 | ___ |
| 798 | &rev32(@data[0],@data[0]); | |
| 799 | &encrypt_1blk(@data[0]); | |
| 800 | $code.=<<___; | |
| accd3bdd | 801 | st1 {@data[0].4s},[$outp] |
| 4908787f DH |
802 | b 100f |
| 803 | 1: // process last 2 blocks | |
| 804 | ld4 {@data[0].s,@data[1].s,@data[2].s,@data[3].s}[0],[$inp],#16 | |
| 805 | ld4 {@data[0].s,@data[1].s,@data[2].s,@data[3].s}[1],[$inp],#16 | |
| 806 | cmp $blocks,#2 | |
| 807 | b.gt 1f | |
| 808 | ___ | |
| 809 | &rev32(@data[0],@data[0]); | |
| 810 | &rev32(@data[1],@data[1]); | |
| 811 | &rev32(@data[2],@data[2]); | |
| 812 | &rev32(@data[3],@data[3]); | |
| 813 | $code.=<<___; | |
| 814 | bl _vpsm4_enc_4blks | |
| 815 | st4 {@vtmp[0].s-@vtmp[3].s}[0],[$outp],#16 | |
| 816 | st4 {@vtmp[0].s-@vtmp[3].s}[1],[$outp] | |
| 817 | b 100f | |
| 818 | 1: // process last 3 blocks | |
| 819 | ld4 {@data[0].s,@data[1].s,@data[2].s,@data[3].s}[2],[$inp],#16 | |
| 820 | ___ | |
| 821 | &rev32(@data[0],@data[0]); | |
| 822 | &rev32(@data[1],@data[1]); | |
| 823 | &rev32(@data[2],@data[2]); | |
| 824 | &rev32(@data[3],@data[3]); | |
| 825 | $code.=<<___; | |
| 826 | bl _vpsm4_enc_4blks | |
| 827 | st4 {@vtmp[0].s-@vtmp[3].s}[0],[$outp],#16 | |
| 828 | st4 {@vtmp[0].s-@vtmp[3].s}[1],[$outp],#16 | |
| 829 | st4 {@vtmp[0].s-@vtmp[3].s}[2],[$outp] | |
| 830 | 100: | |
| 831 | ldp d10,d11,[sp,#16] | |
| 832 | ldp d12,d13,[sp,#32] | |
| 833 | ldp d14,d15,[sp,#48] | |
| 834 | ldp x29,x30,[sp,#64] | |
| 835 | ldp d8,d9,[sp],#80 | |
| 836 | AARCH64_VALIDATE_LINK_REGISTER | |
| 837 | ret | |
| 838 | .size ${prefix}_ecb_encrypt,.-${prefix}_ecb_encrypt | |
| 839 | ___ | |
| 840 | }}} | |
| 841 | ||
| 842 | {{{ | |
| 843 | my ($len,$ivp,$enc)=("x2","x4","w5"); | |
| 844 | my $ivec0=("v3"); | |
| 845 | my $ivec1=("v15"); | |
| 846 | ||
| 847 | $code.=<<___; | |
| 848 | .globl ${prefix}_cbc_encrypt | |
| 849 | .type ${prefix}_cbc_encrypt,%function | |
| 850 | .align 5 | |
| 851 | ${prefix}_cbc_encrypt: | |
| 852 | AARCH64_VALID_CALL_TARGET | |
| 853 | lsr $len,$len,4 | |
| 854 | ___ | |
| 855 | &load_sbox(); | |
| 856 | $code.=<<___; | |
| 857 | cbz $enc,.Ldec | |
| 858 | ld1 {$ivec0.4s},[$ivp] | |
| 859 | .Lcbc_4_blocks_enc: | |
| 860 | cmp $blocks,#4 | |
| 861 | b.lt 1f | |
| 862 | ld1 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp],#64 | |
| 863 | eor @data[0].16b,@data[0].16b,$ivec0.16b | |
| 864 | ___ | |
| 865 | &rev32(@data[1],@data[1]); | |
| 866 | &rev32(@data[0],@data[0]); | |
| 867 | &rev32(@data[2],@data[2]); | |
| 868 | &rev32(@data[3],@data[3]); | |
| 869 | &encrypt_1blk_norev(@data[0]); | |
| 870 | $code.=<<___; | |
| 871 | eor @data[1].16b,@data[1].16b,@data[0].16b | |
| 872 | ___ | |
| 873 | &encrypt_1blk_norev(@data[1]); | |
| 874 | &rev32(@data[0],@data[0]); | |
| 875 | ||
| 876 | $code.=<<___; | |
| 877 | eor @data[2].16b,@data[2].16b,@data[1].16b | |
| 878 | ___ | |
| 879 | &encrypt_1blk_norev(@data[2]); | |
| 880 | &rev32(@data[1],@data[1]); | |
| 881 | $code.=<<___; | |
| 882 | eor @data[3].16b,@data[3].16b,@data[2].16b | |
| 883 | ___ | |
| 884 | &encrypt_1blk_norev(@data[3]); | |
| 885 | &rev32(@data[2],@data[2]); | |
| 886 | &rev32(@data[3],@data[3]); | |
| 887 | $code.=<<___; | |
| 888 | orr $ivec0.16b,@data[3].16b,@data[3].16b | |
| 889 | st1 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$outp],#64 | |
| 890 | subs $blocks,$blocks,#4 | |
| 891 | b.ne .Lcbc_4_blocks_enc | |
| 892 | b 2f | |
| 893 | 1: | |
| 894 | subs $blocks,$blocks,#1 | |
| 895 | b.lt 2f | |
| 896 | ld1 {@data[0].4s},[$inp],#16 | |
| 897 | eor $ivec0.16b,$ivec0.16b,@data[0].16b | |
| 898 | ___ | |
| 899 | &rev32($ivec0,$ivec0); | |
| 900 | &encrypt_1blk($ivec0); | |
| 901 | $code.=<<___; | |
| accd3bdd | 902 | st1 {$ivec0.4s},[$outp],#16 |
| 4908787f DH |
903 | b 1b |
| 904 | 2: | |
| 905 | // save back IV | |
| accd3bdd | 906 | st1 {$ivec0.4s},[$ivp] |
| 4908787f DH |
907 | ret |
| 908 | ||
| 909 | .Ldec: | |
| 910 | // decryption mode starts | |
| 911 | AARCH64_SIGN_LINK_REGISTER | |
| 912 | stp d8,d9,[sp,#-80]! | |
| 913 | stp d10,d11,[sp,#16] | |
| 914 | stp d12,d13,[sp,#32] | |
| 915 | stp d14,d15,[sp,#48] | |
| 916 | stp x29,x30,[sp,#64] | |
| 917 | .Lcbc_8_blocks_dec: | |
| 918 | cmp $blocks,#8 | |
| 919 | b.lt 1f | |
| 920 | ld4 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp] | |
| 921 | add $ptr,$inp,#64 | |
| 922 | ld4 {@datax[0].4s,@datax[1].4s,@datax[2].4s,@datax[3].4s},[$ptr] | |
| 923 | ___ | |
| 924 | &rev32(@data[0],@data[0]); | |
| 925 | &rev32(@data[1],@data[1]); | |
| 926 | &rev32(@data[2],@data[2]); | |
| 927 | &rev32(@data[3],$data[3]); | |
| 928 | &rev32(@datax[0],@datax[0]); | |
| 929 | &rev32(@datax[1],@datax[1]); | |
| 930 | &rev32(@datax[2],@datax[2]); | |
| 931 | &rev32(@datax[3],$datax[3]); | |
| 932 | $code.=<<___; | |
| 933 | bl _vpsm4_enc_8blks | |
| 934 | ___ | |
| 935 | &transpose(@vtmp,@datax); | |
| 936 | &transpose(@data,@datax); | |
| 937 | $code.=<<___; | |
| accd3bdd | 938 | ld1 {$ivec1.4s},[$ivp] |
| 4908787f DH |
939 | ld1 {@datax[0].4s,@datax[1].4s,@datax[2].4s,@datax[3].4s},[$inp],#64 |
| 940 | // note ivec1 and vtmpx[3] are resuing the same register | |
| 941 | // care needs to be taken to avoid conflict | |
| 942 | eor @vtmp[0].16b,@vtmp[0].16b,$ivec1.16b | |
| 943 | ld1 {@vtmpx[0].4s,@vtmpx[1].4s,@vtmpx[2].4s,@vtmpx[3].4s},[$inp],#64 | |
| 944 | eor @vtmp[1].16b,@vtmp[1].16b,@datax[0].16b | |
| 945 | eor @vtmp[2].16b,@vtmp[2].16b,@datax[1].16b | |
| 946 | eor @vtmp[3].16b,$vtmp[3].16b,@datax[2].16b | |
| 947 | // save back IV | |
| accd3bdd | 948 | st1 {$vtmpx[3].4s}, [$ivp] |
| 4908787f DH |
949 | eor @data[0].16b,@data[0].16b,$datax[3].16b |
| 950 | eor @data[1].16b,@data[1].16b,@vtmpx[0].16b | |
| 951 | eor @data[2].16b,@data[2].16b,@vtmpx[1].16b | |
| 952 | eor @data[3].16b,$data[3].16b,@vtmpx[2].16b | |
| 953 | st1 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 954 | st1 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$outp],#64 | |
| 955 | subs $blocks,$blocks,#8 | |
| 956 | b.gt .Lcbc_8_blocks_dec | |
| 957 | b.eq 100f | |
| 958 | 1: | |
| accd3bdd | 959 | ld1 {$ivec1.4s},[$ivp] |
| 4908787f DH |
960 | .Lcbc_4_blocks_dec: |
| 961 | cmp $blocks,#4 | |
| 962 | b.lt 1f | |
| 963 | ld4 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp] | |
| 964 | ___ | |
| 965 | &rev32(@data[0],@data[0]); | |
| 966 | &rev32(@data[1],@data[1]); | |
| 967 | &rev32(@data[2],@data[2]); | |
| 968 | &rev32(@data[3],$data[3]); | |
| 969 | $code.=<<___; | |
| 970 | bl _vpsm4_enc_4blks | |
| 971 | ld1 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp],#64 | |
| 972 | ___ | |
| 973 | &transpose(@vtmp,@datax); | |
| 974 | $code.=<<___; | |
| 975 | eor @vtmp[0].16b,@vtmp[0].16b,$ivec1.16b | |
| 976 | eor @vtmp[1].16b,@vtmp[1].16b,@data[0].16b | |
| 977 | orr $ivec1.16b,@data[3].16b,@data[3].16b | |
| 978 | eor @vtmp[2].16b,@vtmp[2].16b,@data[1].16b | |
| 979 | eor @vtmp[3].16b,$vtmp[3].16b,@data[2].16b | |
| 980 | st1 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 981 | subs $blocks,$blocks,#4 | |
| 982 | b.gt .Lcbc_4_blocks_dec | |
| 983 | // save back IV | |
| accd3bdd | 984 | st1 {@data[3].4s}, [$ivp] |
| 4908787f DH |
985 | b 100f |
| 986 | 1: // last block | |
| 987 | subs $blocks,$blocks,#1 | |
| 988 | b.lt 100f | |
| 989 | b.gt 1f | |
| 990 | ld1 {@data[0].4s},[$inp],#16 | |
| 991 | // save back IV | |
| accd3bdd | 992 | st1 {$data[0].4s}, [$ivp] |
| 4908787f DH |
993 | ___ |
| 994 | &rev32(@datax[0],@data[0]); | |
| 995 | &encrypt_1blk(@datax[0]); | |
| 996 | $code.=<<___; | |
| 997 | eor @datax[0].16b,@datax[0].16b,$ivec1.16b | |
| accd3bdd | 998 | st1 {@datax[0].4s},[$outp],#16 |
| 4908787f DH |
999 | b 100f |
| 1000 | 1: // last two blocks | |
| 1001 | ld4 {@data[0].s,@data[1].s,@data[2].s,@data[3].s}[0],[$inp] | |
| 1002 | add $ptr,$inp,#16 | |
| 1003 | ld4 {@data[0].s,@data[1].s,@data[2].s,@data[3].s}[1],[$ptr],#16 | |
| 1004 | subs $blocks,$blocks,1 | |
| 1005 | b.gt 1f | |
| 1006 | ___ | |
| 1007 | &rev32(@data[0],@data[0]); | |
| 1008 | &rev32(@data[1],@data[1]); | |
| 1009 | &rev32(@data[2],@data[2]); | |
| 1010 | &rev32(@data[3],@data[3]); | |
| 1011 | $code.=<<___; | |
| 1012 | bl _vpsm4_enc_4blks | |
| 1013 | ld1 {@data[0].4s,@data[1].4s},[$inp],#32 | |
| 1014 | ___ | |
| 1015 | &transpose(@vtmp,@datax); | |
| 1016 | $code.=<<___; | |
| 1017 | eor @vtmp[0].16b,@vtmp[0].16b,$ivec1.16b | |
| 1018 | eor @vtmp[1].16b,@vtmp[1].16b,@data[0].16b | |
| 1019 | st1 {@vtmp[0].4s,@vtmp[1].4s},[$outp],#32 | |
| 1020 | // save back IV | |
| accd3bdd | 1021 | st1 {@data[1].4s}, [$ivp] |
| 4908787f DH |
1022 | b 100f |
| 1023 | 1: // last 3 blocks | |
| 1024 | ld4 {@data[0].s,@data[1].s,@data[2].s,@data[3].s}[2],[$ptr] | |
| 1025 | ___ | |
| 1026 | &rev32(@data[0],@data[0]); | |
| 1027 | &rev32(@data[1],@data[1]); | |
| 1028 | &rev32(@data[2],@data[2]); | |
| 1029 | &rev32(@data[3],@data[3]); | |
| 1030 | $code.=<<___; | |
| 1031 | bl _vpsm4_enc_4blks | |
| 1032 | ld1 {@data[0].4s,@data[1].4s,@data[2].4s},[$inp],#48 | |
| 1033 | ___ | |
| 1034 | &transpose(@vtmp,@datax); | |
| 1035 | $code.=<<___; | |
| 1036 | eor @vtmp[0].16b,@vtmp[0].16b,$ivec1.16b | |
| 1037 | eor @vtmp[1].16b,@vtmp[1].16b,@data[0].16b | |
| 1038 | eor @vtmp[2].16b,@vtmp[2].16b,@data[1].16b | |
| 1039 | st1 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s},[$outp],#48 | |
| 1040 | // save back IV | |
| accd3bdd | 1041 | st1 {@data[2].4s}, [$ivp] |
| 4908787f DH |
1042 | 100: |
| 1043 | ldp d10,d11,[sp,#16] | |
| 1044 | ldp d12,d13,[sp,#32] | |
| 1045 | ldp d14,d15,[sp,#48] | |
| 1046 | ldp x29,x30,[sp,#64] | |
| 1047 | ldp d8,d9,[sp],#80 | |
| 1048 | AARCH64_VALIDATE_LINK_REGISTER | |
| 1049 | ret | |
| 1050 | .size ${prefix}_cbc_encrypt,.-${prefix}_cbc_encrypt | |
| 1051 | ___ | |
| 1052 | }}} | |
| 1053 | ||
| 1054 | {{{ | |
| 1055 | my ($ivp)=("x4"); | |
| 1056 | my ($ctr)=("w5"); | |
| 1057 | my $ivec=("v3"); | |
| 1058 | ||
| 1059 | $code.=<<___; | |
| 1060 | .globl ${prefix}_ctr32_encrypt_blocks | |
| 1061 | .type ${prefix}_ctr32_encrypt_blocks,%function | |
| 1062 | .align 5 | |
| 1063 | ${prefix}_ctr32_encrypt_blocks: | |
| 1064 | AARCH64_VALID_CALL_TARGET | |
| 1065 | ld1 {$ivec.4s},[$ivp] | |
| 1066 | ___ | |
| 1067 | &rev32($ivec,$ivec); | |
| 1068 | &load_sbox(); | |
| 1069 | $code.=<<___; | |
| 1070 | cmp $blocks,#1 | |
| 1071 | b.ne 1f | |
| 1072 | // fast processing for one single block without | |
| 1073 | // context saving overhead | |
| 1074 | ___ | |
| 1075 | &encrypt_1blk($ivec); | |
| 1076 | $code.=<<___; | |
| accd3bdd | 1077 | ld1 {@data[0].4s},[$inp] |
| 4908787f | 1078 | eor @data[0].16b,@data[0].16b,$ivec.16b |
| accd3bdd | 1079 | st1 {@data[0].4s},[$outp] |
| 4908787f DH |
1080 | ret |
| 1081 | 1: | |
| 1082 | AARCH64_SIGN_LINK_REGISTER | |
| 1083 | stp d8,d9,[sp,#-80]! | |
| 1084 | stp d10,d11,[sp,#16] | |
| 1085 | stp d12,d13,[sp,#32] | |
| 1086 | stp d14,d15,[sp,#48] | |
| 1087 | stp x29,x30,[sp,#64] | |
| 1088 | mov $word0,$ivec.s[0] | |
| 1089 | mov $word1,$ivec.s[1] | |
| 1090 | mov $word2,$ivec.s[2] | |
| 1091 | mov $ctr,$ivec.s[3] | |
| 1092 | .Lctr32_4_blocks_process: | |
| 1093 | cmp $blocks,#4 | |
| 1094 | b.lt 1f | |
| 1095 | dup @data[0].4s,$word0 | |
| 1096 | dup @data[1].4s,$word1 | |
| 1097 | dup @data[2].4s,$word2 | |
| 1098 | mov @data[3].s[0],$ctr | |
| 1099 | add $ctr,$ctr,#1 | |
| 1100 | mov $data[3].s[1],$ctr | |
| 1101 | add $ctr,$ctr,#1 | |
| 1102 | mov @data[3].s[2],$ctr | |
| 1103 | add $ctr,$ctr,#1 | |
| 1104 | mov @data[3].s[3],$ctr | |
| 1105 | add $ctr,$ctr,#1 | |
| 1106 | cmp $blocks,#8 | |
| 1107 | b.ge .Lctr32_8_blocks_process | |
| 1108 | bl _vpsm4_enc_4blks | |
| 1109 | ld4 {@vtmpx[0].4s,@vtmpx[1].4s,@vtmpx[2].4s,@vtmpx[3].4s},[$inp],#64 | |
| 1110 | eor @vtmp[0].16b,@vtmp[0].16b,@vtmpx[0].16b | |
| 1111 | eor @vtmp[1].16b,@vtmp[1].16b,@vtmpx[1].16b | |
| 1112 | eor @vtmp[2].16b,@vtmp[2].16b,@vtmpx[2].16b | |
| 1113 | eor @vtmp[3].16b,@vtmp[3].16b,@vtmpx[3].16b | |
| 1114 | st4 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 1115 | subs $blocks,$blocks,#4 | |
| 1116 | b.ne .Lctr32_4_blocks_process | |
| 1117 | b 100f | |
| 1118 | .Lctr32_8_blocks_process: | |
| 1119 | dup @datax[0].4s,$word0 | |
| 1120 | dup @datax[1].4s,$word1 | |
| 1121 | dup @datax[2].4s,$word2 | |
| 1122 | mov @datax[3].s[0],$ctr | |
| 1123 | add $ctr,$ctr,#1 | |
| 1124 | mov $datax[3].s[1],$ctr | |
| 1125 | add $ctr,$ctr,#1 | |
| 1126 | mov @datax[3].s[2],$ctr | |
| 1127 | add $ctr,$ctr,#1 | |
| 1128 | mov @datax[3].s[3],$ctr | |
| 1129 | add $ctr,$ctr,#1 | |
| 1130 | bl _vpsm4_enc_8blks | |
| 1131 | ld4 {@vtmpx[0].4s,@vtmpx[1].4s,@vtmpx[2].4s,@vtmpx[3].4s},[$inp],#64 | |
| 1132 | ld4 {@datax[0].4s,@datax[1].4s,@datax[2].4s,@datax[3].4s},[$inp],#64 | |
| 1133 | eor @vtmp[0].16b,@vtmp[0].16b,@vtmpx[0].16b | |
| 1134 | eor @vtmp[1].16b,@vtmp[1].16b,@vtmpx[1].16b | |
| 1135 | eor @vtmp[2].16b,@vtmp[2].16b,@vtmpx[2].16b | |
| 1136 | eor @vtmp[3].16b,@vtmp[3].16b,@vtmpx[3].16b | |
| 1137 | eor @data[0].16b,@data[0].16b,@datax[0].16b | |
| 1138 | eor @data[1].16b,@data[1].16b,@datax[1].16b | |
| 1139 | eor @data[2].16b,@data[2].16b,@datax[2].16b | |
| 1140 | eor @data[3].16b,@data[3].16b,@datax[3].16b | |
| 1141 | st4 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 1142 | st4 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$outp],#64 | |
| 1143 | subs $blocks,$blocks,#8 | |
| 1144 | b.ne .Lctr32_4_blocks_process | |
| 1145 | b 100f | |
| 1146 | 1: // last block processing | |
| 1147 | subs $blocks,$blocks,#1 | |
| 1148 | b.lt 100f | |
| 1149 | b.gt 1f | |
| 1150 | mov $ivec.s[0],$word0 | |
| 1151 | mov $ivec.s[1],$word1 | |
| 1152 | mov $ivec.s[2],$word2 | |
| 1153 | mov $ivec.s[3],$ctr | |
| 1154 | ___ | |
| 1155 | &encrypt_1blk($ivec); | |
| 1156 | $code.=<<___; | |
| accd3bdd | 1157 | ld1 {@data[0].4s},[$inp] |
| 4908787f | 1158 | eor @data[0].16b,@data[0].16b,$ivec.16b |
| accd3bdd | 1159 | st1 {@data[0].4s},[$outp] |
| 4908787f DH |
1160 | b 100f |
| 1161 | 1: // last 2 blocks processing | |
| 1162 | dup @data[0].4s,$word0 | |
| 1163 | dup @data[1].4s,$word1 | |
| 1164 | dup @data[2].4s,$word2 | |
| 1165 | mov @data[3].s[0],$ctr | |
| 1166 | add $ctr,$ctr,#1 | |
| 1167 | mov @data[3].s[1],$ctr | |
| 1168 | subs $blocks,$blocks,#1 | |
| 1169 | b.ne 1f | |
| 1170 | bl _vpsm4_enc_4blks | |
| 1171 | ld4 {@vtmpx[0].s,@vtmpx[1].s,@vtmpx[2].s,@vtmpx[3].s}[0],[$inp],#16 | |
| 1172 | ld4 {@vtmpx[0].s,@vtmpx[1].s,@vtmpx[2].s,@vtmpx[3].s}[1],[$inp],#16 | |
| 1173 | eor @vtmp[0].16b,@vtmp[0].16b,@vtmpx[0].16b | |
| 1174 | eor @vtmp[1].16b,@vtmp[1].16b,@vtmpx[1].16b | |
| 1175 | eor @vtmp[2].16b,@vtmp[2].16b,@vtmpx[2].16b | |
| 1176 | eor @vtmp[3].16b,@vtmp[3].16b,@vtmpx[3].16b | |
| 1177 | st4 {@vtmp[0].s,@vtmp[1].s,@vtmp[2].s,@vtmp[3].s}[0],[$outp],#16 | |
| 1178 | st4 {@vtmp[0].s,@vtmp[1].s,@vtmp[2].s,@vtmp[3].s}[1],[$outp],#16 | |
| 1179 | b 100f | |
| 1180 | 1: // last 3 blocks processing | |
| 1181 | add $ctr,$ctr,#1 | |
| 1182 | mov @data[3].s[2],$ctr | |
| 1183 | bl _vpsm4_enc_4blks | |
| 1184 | ld4 {@vtmpx[0].s,@vtmpx[1].s,@vtmpx[2].s,@vtmpx[3].s}[0],[$inp],#16 | |
| 1185 | ld4 {@vtmpx[0].s,@vtmpx[1].s,@vtmpx[2].s,@vtmpx[3].s}[1],[$inp],#16 | |
| 1186 | ld4 {@vtmpx[0].s,@vtmpx[1].s,@vtmpx[2].s,@vtmpx[3].s}[2],[$inp],#16 | |
| 1187 | eor @vtmp[0].16b,@vtmp[0].16b,@vtmpx[0].16b | |
| 1188 | eor @vtmp[1].16b,@vtmp[1].16b,@vtmpx[1].16b | |
| 1189 | eor @vtmp[2].16b,@vtmp[2].16b,@vtmpx[2].16b | |
| 1190 | eor @vtmp[3].16b,@vtmp[3].16b,@vtmpx[3].16b | |
| 1191 | st4 {@vtmp[0].s,@vtmp[1].s,@vtmp[2].s,@vtmp[3].s}[0],[$outp],#16 | |
| 1192 | st4 {@vtmp[0].s,@vtmp[1].s,@vtmp[2].s,@vtmp[3].s}[1],[$outp],#16 | |
| 1193 | st4 {@vtmp[0].s,@vtmp[1].s,@vtmp[2].s,@vtmp[3].s}[2],[$outp],#16 | |
| 1194 | 100: | |
| 1195 | ldp d10,d11,[sp,#16] | |
| 1196 | ldp d12,d13,[sp,#32] | |
| 1197 | ldp d14,d15,[sp,#48] | |
| 1198 | ldp x29,x30,[sp,#64] | |
| 1199 | ldp d8,d9,[sp],#80 | |
| 1200 | AARCH64_VALIDATE_LINK_REGISTER | |
| 1201 | ret | |
| 1202 | .size ${prefix}_ctr32_encrypt_blocks,.-${prefix}_ctr32_encrypt_blocks | |
| 1203 | ___ | |
| 1204 | }}} | |
| c007203b XY |
1205 | |
| 1206 | {{{ | |
| 1207 | my ($blocks,$len)=("x2","x2"); | |
| 1208 | my $ivp=("x5"); | |
| 1209 | my @twx=map("x$_",(12..27)); | |
| 1210 | my ($rks1,$rks2)=("x26","x27"); | |
| 1211 | my $lastBlk=("x26"); | |
| 1212 | my $enc=("w28"); | |
| 1213 | my $remain=("x29"); | |
| 1214 | ||
| 1215 | my @tweak=@datax; | |
| 1216 | ||
| 1217 | sub gen_xts_cipher() { | |
| 1218 | my $std = shift; | |
| 1219 | $code.=<<___; | |
| 1220 | .globl ${prefix}_xts_encrypt${std} | |
| 1221 | .type ${prefix}_xts_encrypt${std},%function | |
| 1222 | .align 5 | |
| 1223 | ${prefix}_xts_encrypt${std}: | |
| 1224 | AARCH64_SIGN_LINK_REGISTER | |
| 1225 | stp x15, x16, [sp, #-0x10]! | |
| 1226 | stp x17, x18, [sp, #-0x10]! | |
| 1227 | stp x19, x20, [sp, #-0x10]! | |
| 1228 | stp x21, x22, [sp, #-0x10]! | |
| 1229 | stp x23, x24, [sp, #-0x10]! | |
| 1230 | stp x25, x26, [sp, #-0x10]! | |
| 1231 | stp x27, x28, [sp, #-0x10]! | |
| 1232 | stp x29, x30, [sp, #-0x10]! | |
| 1233 | stp d8, d9, [sp, #-0x10]! | |
| 1234 | stp d10, d11, [sp, #-0x10]! | |
| 1235 | stp d12, d13, [sp, #-0x10]! | |
| 1236 | stp d14, d15, [sp, #-0x10]! | |
| 1237 | mov $rks1,x3 | |
| 1238 | mov $rks2,x4 | |
| 1239 | mov $enc,w6 | |
| 1240 | ld1 {@tweak[0].4s}, [$ivp] | |
| 1241 | mov $rks,$rks2 | |
| 1242 | ___ | |
| 1243 | &load_sbox(); | |
| 1244 | &rev32(@tweak[0],@tweak[0]); | |
| 1245 | &encrypt_1blk(@tweak[0]); | |
| 1246 | $code.=<<___; | |
| 1247 | mov $rks,$rks1 | |
| 1248 | and $remain,$len,#0x0F | |
| 1249 | // convert length into blocks | |
| 1250 | lsr $blocks,$len,4 | |
| 1251 | cmp $blocks,#1 | |
| 1252 | b.lt .return${std} | |
| 1253 | ||
| 1254 | cmp $remain,0 | |
| 1255 | // If the encryption/decryption Length is N times of 16, | |
| 1256 | // the all blocks are encrypted/decrypted in .xts_encrypt_blocks${std} | |
| 1257 | b.eq .xts_encrypt_blocks${std} | |
| 1258 | ||
| 1259 | // If the encryption/decryption length is not N times of 16, | |
| 1260 | // the last two blocks are encrypted/decrypted in .last_2blks_tweak${std} or .only_2blks_tweak${std} | |
| 1261 | // the other blocks are encrypted/decrypted in .xts_encrypt_blocks${std} | |
| 1262 | subs $blocks,$blocks,#1 | |
| 1263 | b.eq .only_2blks_tweak${std} | |
| 1264 | .xts_encrypt_blocks${std}: | |
| 1265 | ___ | |
| 1266 | &rbit(@tweak[0],@tweak[0],$std); | |
| 1267 | &rev32_armeb(@tweak[0],@tweak[0]); | |
| 1268 | &mov_vec_to_reg(@tweak[0],@twx[0],@twx[1]); | |
| 1269 | &compute_tweak(@twx[0],@twx[1],@twx[2],@twx[3]); | |
| 1270 | &compute_tweak(@twx[2],@twx[3],@twx[4],@twx[5]); | |
| 1271 | &compute_tweak(@twx[4],@twx[5],@twx[6],@twx[7]); | |
| 1272 | &compute_tweak(@twx[6],@twx[7],@twx[8],@twx[9]); | |
| 1273 | &compute_tweak(@twx[8],@twx[9],@twx[10],@twx[11]); | |
| 1274 | &compute_tweak(@twx[10],@twx[11],@twx[12],@twx[13]); | |
| 1275 | &compute_tweak(@twx[12],@twx[13],@twx[14],@twx[15]); | |
| 1276 | $code.=<<___; | |
| 1277 | .Lxts_8_blocks_process${std}: | |
| 1278 | cmp $blocks,#8 | |
| 1279 | b.lt .Lxts_4_blocks_process${std} | |
| 1280 | ___ | |
| 1281 | &mov_reg_to_vec(@twx[0],@twx[1],@vtmp[0]); | |
| 1282 | &mov_reg_to_vec(@twx[2],@twx[3],@vtmp[1]); | |
| 1283 | &mov_reg_to_vec(@twx[4],@twx[5],@vtmp[2]); | |
| 1284 | &mov_reg_to_vec(@twx[6],@twx[7],@vtmp[3]); | |
| 1285 | &mov_reg_to_vec(@twx[8],@twx[9],@vtmpx[0]); | |
| 1286 | &mov_reg_to_vec(@twx[10],@twx[11],@vtmpx[1]); | |
| 1287 | &mov_reg_to_vec(@twx[12],@twx[13],@vtmpx[2]); | |
| 1288 | &mov_reg_to_vec(@twx[14],@twx[15],@vtmpx[3]); | |
| 1289 | $code.=<<___; | |
| 1290 | ld1 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp],#64 | |
| 1291 | ___ | |
| 1292 | &rbit(@vtmp[0],@vtmp[0],$std); | |
| 1293 | &rbit(@vtmp[1],@vtmp[1],$std); | |
| 1294 | &rbit(@vtmp[2],@vtmp[2],$std); | |
| 1295 | &rbit(@vtmp[3],@vtmp[3],$std); | |
| 1296 | $code.=<<___; | |
| 1297 | eor @data[0].16b, @data[0].16b, @vtmp[0].16b | |
| 1298 | eor @data[1].16b, @data[1].16b, @vtmp[1].16b | |
| 1299 | eor @data[2].16b, @data[2].16b, @vtmp[2].16b | |
| 1300 | eor @data[3].16b, @data[3].16b, @vtmp[3].16b | |
| 1301 | ld1 {@datax[0].4s,$datax[1].4s,@datax[2].4s,@datax[3].4s},[$inp],#64 | |
| 1302 | ___ | |
| 1303 | &rbit(@vtmpx[0],@vtmpx[0],$std); | |
| 1304 | &rbit(@vtmpx[1],@vtmpx[1],$std); | |
| 1305 | &rbit(@vtmpx[2],@vtmpx[2],$std); | |
| 1306 | &rbit(@vtmpx[3],@vtmpx[3],$std); | |
| 1307 | $code.=<<___; | |
| 1308 | eor @datax[0].16b, @datax[0].16b, @vtmpx[0].16b | |
| 1309 | eor @datax[1].16b, @datax[1].16b, @vtmpx[1].16b | |
| 1310 | eor @datax[2].16b, @datax[2].16b, @vtmpx[2].16b | |
| 1311 | eor @datax[3].16b, @datax[3].16b, @vtmpx[3].16b | |
| 1312 | ___ | |
| 1313 | &rev32(@data[0],@data[0]); | |
| 1314 | &rev32(@data[1],@data[1]); | |
| 1315 | &rev32(@data[2],@data[2]); | |
| 1316 | &rev32(@data[3],@data[3]); | |
| 1317 | &rev32(@datax[0],@datax[0]); | |
| 1318 | &rev32(@datax[1],@datax[1]); | |
| 1319 | &rev32(@datax[2],@datax[2]); | |
| 1320 | &rev32(@datax[3],@datax[3]); | |
| 1321 | &transpose(@data,@vtmp); | |
| 1322 | &transpose(@datax,@vtmp); | |
| 1323 | $code.=<<___; | |
| 1324 | bl _${prefix}_enc_8blks | |
| 1325 | ___ | |
| 1326 | &transpose(@vtmp,@datax); | |
| 1327 | &transpose(@data,@datax); | |
| 1328 | ||
| 1329 | &mov_reg_to_vec(@twx[0],@twx[1],@vtmpx[0]); | |
| 1330 | &compute_tweak(@twx[14],@twx[15],@twx[0],@twx[1]); | |
| 1331 | &mov_reg_to_vec(@twx[2],@twx[3],@vtmpx[1]); | |
| 1332 | &compute_tweak(@twx[0],@twx[1],@twx[2],@twx[3]); | |
| 1333 | &mov_reg_to_vec(@twx[4],@twx[5],@vtmpx[2]); | |
| 1334 | &compute_tweak(@twx[2],@twx[3],@twx[4],@twx[5]); | |
| 1335 | &mov_reg_to_vec(@twx[6],@twx[7],@vtmpx[3]); | |
| 1336 | &compute_tweak(@twx[4],@twx[5],@twx[6],@twx[7]); | |
| 1337 | &mov_reg_to_vec(@twx[8],@twx[9],@tweak[0]); | |
| 1338 | &compute_tweak(@twx[6],@twx[7],@twx[8],@twx[9]); | |
| 1339 | &mov_reg_to_vec(@twx[10],@twx[11],@tweak[1]); | |
| 1340 | &compute_tweak(@twx[8],@twx[9],@twx[10],@twx[11]); | |
| 1341 | &mov_reg_to_vec(@twx[12],@twx[13],@tweak[2]); | |
| 1342 | &compute_tweak(@twx[10],@twx[11],@twx[12],@twx[13]); | |
| 1343 | &mov_reg_to_vec(@twx[14],@twx[15],@tweak[3]); | |
| 1344 | &compute_tweak(@twx[12],@twx[13],@twx[14],@twx[15]); | |
| 1345 | $code.=<<___; | |
| 1346 | eor @vtmp[0].16b, @vtmp[0].16b, @vtmpx[0].16b | |
| 1347 | eor @vtmp[1].16b, @vtmp[1].16b, @vtmpx[1].16b | |
| 1348 | eor @vtmp[2].16b, @vtmp[2].16b, @vtmpx[2].16b | |
| 1349 | eor @vtmp[3].16b, @vtmp[3].16b, @vtmpx[3].16b | |
| 1350 | eor @data[0].16b, @data[0].16b, @tweak[0].16b | |
| 1351 | eor @data[1].16b, @data[1].16b, @tweak[1].16b | |
| 1352 | eor @data[2].16b, @data[2].16b, @tweak[2].16b | |
| 1353 | eor @data[3].16b, @data[3].16b, @tweak[3].16b | |
| 1354 | ||
| 1355 | // save the last tweak | |
| 1356 | st1 {@tweak[3].4s},[$ivp] | |
| 1357 | st1 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 1358 | st1 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$outp],#64 | |
| 1359 | subs $blocks,$blocks,#8 | |
| 1360 | b.gt .Lxts_8_blocks_process${std} | |
| 1361 | b 100f | |
| 1362 | .Lxts_4_blocks_process${std}: | |
| 1363 | ___ | |
| 1364 | &mov_reg_to_vec(@twx[0],@twx[1],@tweak[0]); | |
| 1365 | &mov_reg_to_vec(@twx[2],@twx[3],@tweak[1]); | |
| 1366 | &mov_reg_to_vec(@twx[4],@twx[5],@tweak[2]); | |
| 1367 | &mov_reg_to_vec(@twx[6],@twx[7],@tweak[3]); | |
| 1368 | $code.=<<___; | |
| 1369 | cmp $blocks,#4 | |
| 1370 | b.lt 1f | |
| 1371 | ld1 {@data[0].4s,@data[1].4s,@data[2].4s,@data[3].4s},[$inp],#64 | |
| 1372 | ___ | |
| 1373 | &rbit(@tweak[0],@tweak[0],$std); | |
| 1374 | &rbit(@tweak[1],@tweak[1],$std); | |
| 1375 | &rbit(@tweak[2],@tweak[2],$std); | |
| 1376 | &rbit(@tweak[3],@tweak[3],$std); | |
| 1377 | $code.=<<___; | |
| 1378 | eor @data[0].16b, @data[0].16b, @tweak[0].16b | |
| 1379 | eor @data[1].16b, @data[1].16b, @tweak[1].16b | |
| 1380 | eor @data[2].16b, @data[2].16b, @tweak[2].16b | |
| 1381 | eor @data[3].16b, @data[3].16b, @tweak[3].16b | |
| 1382 | ___ | |
| 1383 | &rev32(@data[0],@data[0]); | |
| 1384 | &rev32(@data[1],@data[1]); | |
| 1385 | &rev32(@data[2],@data[2]); | |
| 1386 | &rev32(@data[3],@data[3]); | |
| 1387 | &transpose(@data,@vtmp); | |
| 1388 | $code.=<<___; | |
| 1389 | bl _${prefix}_enc_4blks | |
| 1390 | ___ | |
| 1391 | &transpose(@vtmp,@data); | |
| 1392 | $code.=<<___; | |
| 1393 | eor @vtmp[0].16b, @vtmp[0].16b, @tweak[0].16b | |
| 1394 | eor @vtmp[1].16b, @vtmp[1].16b, @tweak[1].16b | |
| 1395 | eor @vtmp[2].16b, @vtmp[2].16b, @tweak[2].16b | |
| 1396 | eor @vtmp[3].16b, @vtmp[3].16b, @tweak[3].16b | |
| 1397 | st1 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s,@vtmp[3].4s},[$outp],#64 | |
| 1398 | sub $blocks,$blocks,#4 | |
| 1399 | ___ | |
| 1400 | &mov_reg_to_vec(@twx[8],@twx[9],@tweak[0]); | |
| 1401 | &mov_reg_to_vec(@twx[10],@twx[11],@tweak[1]); | |
| 1402 | &mov_reg_to_vec(@twx[12],@twx[13],@tweak[2]); | |
| 1403 | $code.=<<___; | |
| 1404 | // save the last tweak | |
| 1405 | st1 {@tweak[3].4s},[$ivp] | |
| 1406 | 1: | |
| 1407 | // process last block | |
| 1408 | cmp $blocks,#1 | |
| 1409 | b.lt 100f | |
| 1410 | b.gt 1f | |
| 1411 | ld1 {@data[0].4s},[$inp],#16 | |
| 1412 | ___ | |
| 1413 | &rbit(@tweak[0],@tweak[0],$std); | |
| 1414 | $code.=<<___; | |
| 1415 | eor @data[0].16b, @data[0].16b, @tweak[0].16b | |
| 1416 | ___ | |
| 1417 | &rev32(@data[0],@data[0]); | |
| 1418 | &encrypt_1blk(@data[0]); | |
| 1419 | $code.=<<___; | |
| 1420 | eor @data[0].16b, @data[0].16b, @tweak[0].16b | |
| 1421 | st1 {@data[0].4s},[$outp],#16 | |
| 1422 | // save the last tweak | |
| 1423 | st1 {@tweak[0].4s},[$ivp] | |
| 1424 | b 100f | |
| 1425 | 1: // process last 2 blocks | |
| 1426 | cmp $blocks,#2 | |
| 1427 | b.gt 1f | |
| 1428 | ld1 {@data[0].4s,@data[1].4s},[$inp],#32 | |
| 1429 | ___ | |
| 1430 | &rbit(@tweak[0],@tweak[0],$std); | |
| 1431 | &rbit(@tweak[1],@tweak[1],$std); | |
| 1432 | $code.=<<___; | |
| 1433 | eor @data[0].16b, @data[0].16b, @tweak[0].16b | |
| 1434 | eor @data[1].16b, @data[1].16b, @tweak[1].16b | |
| 1435 | ___ | |
| 1436 | &rev32(@data[0],@data[0]); | |
| 1437 | &rev32(@data[1],@data[1]); | |
| 1438 | &transpose(@data,@vtmp); | |
| 1439 | $code.=<<___; | |
| 1440 | bl _${prefix}_enc_4blks | |
| 1441 | ___ | |
| 1442 | &transpose(@vtmp,@data); | |
| 1443 | $code.=<<___; | |
| 1444 | eor @vtmp[0].16b, @vtmp[0].16b, @tweak[0].16b | |
| 1445 | eor @vtmp[1].16b, @vtmp[1].16b, @tweak[1].16b | |
| 1446 | st1 {@vtmp[0].4s,@vtmp[1].4s},[$outp],#32 | |
| 1447 | // save the last tweak | |
| 1448 | st1 {@tweak[1].4s},[$ivp] | |
| 1449 | b 100f | |
| 1450 | 1: // process last 3 blocks | |
| 1451 | ld1 {@data[0].4s,@data[1].4s,@data[2].4s},[$inp],#48 | |
| 1452 | ___ | |
| 1453 | &rbit(@tweak[0],@tweak[0],$std); | |
| 1454 | &rbit(@tweak[1],@tweak[1],$std); | |
| 1455 | &rbit(@tweak[2],@tweak[2],$std); | |
| 1456 | $code.=<<___; | |
| 1457 | eor @data[0].16b, @data[0].16b, @tweak[0].16b | |
| 1458 | eor @data[1].16b, @data[1].16b, @tweak[1].16b | |
| 1459 | eor @data[2].16b, @data[2].16b, @tweak[2].16b | |
| 1460 | ___ | |
| 1461 | &rev32(@data[0],@data[0]); | |
| 1462 | &rev32(@data[1],@data[1]); | |
| 1463 | &rev32(@data[2],@data[2]); | |
| 1464 | &transpose(@data,@vtmp); | |
| 1465 | $code.=<<___; | |
| 1466 | bl _${prefix}_enc_4blks | |
| 1467 | ___ | |
| 1468 | &transpose(@vtmp,@data); | |
| 1469 | $code.=<<___; | |
| 1470 | eor @vtmp[0].16b, @vtmp[0].16b, @tweak[0].16b | |
| 1471 | eor @vtmp[1].16b, @vtmp[1].16b, @tweak[1].16b | |
| 1472 | eor @vtmp[2].16b, @vtmp[2].16b, @tweak[2].16b | |
| 1473 | st1 {@vtmp[0].4s,@vtmp[1].4s,@vtmp[2].4s},[$outp],#48 | |
| 1474 | // save the last tweak | |
| 1475 | st1 {@tweak[2].4s},[$ivp] | |
| 1476 | 100: | |
| 1477 | cmp $remain,0 | |
| 1478 | b.eq .return${std} | |
| 1479 | ||
| eb4129e1 | 1480 | // This branch calculates the last two tweaks, |
| c007203b XY |
1481 | // while the encryption/decryption length is larger than 32 |
| 1482 | .last_2blks_tweak${std}: | |
| 1483 | ld1 {@tweak[0].4s},[$ivp] | |
| 1484 | ___ | |
| 1485 | &rev32_armeb(@tweak[0],@tweak[0]); | |
| 1486 | &compute_tweak_vec(@tweak[0],@tweak[1],$std); | |
| 1487 | &compute_tweak_vec(@tweak[1],@tweak[2],$std); | |
| 1488 | $code.=<<___; | |
| 1489 | b .check_dec${std} | |
| 1490 | ||
| 1491 | ||
| eb4129e1 | 1492 | // This branch calculates the last two tweaks, |
| c007203b XY |
1493 | // while the encryption/decryption length is equal to 32, who only need two tweaks |
| 1494 | .only_2blks_tweak${std}: | |
| 1495 | mov @tweak[1].16b,@tweak[0].16b | |
| 1496 | ___ | |
| 1497 | &rev32_armeb(@tweak[1],@tweak[1]); | |
| 1498 | &compute_tweak_vec(@tweak[1],@tweak[2]); | |
| 1499 | $code.=<<___; | |
| 1500 | b .check_dec${std} | |
| 1501 | ||
| 1502 | ||
| 1503 | // Determine whether encryption or decryption is required. | |
| 1504 | // The last two tweaks need to be swapped for decryption. | |
| 1505 | .check_dec${std}: | |
| 1506 | // encryption:1 decryption:0 | |
| 1507 | cmp $enc,1 | |
| 1508 | b.eq .prcess_last_2blks${std} | |
| 1509 | mov @vtmp[0].16B,@tweak[1].16b | |
| 1510 | mov @tweak[1].16B,@tweak[2].16b | |
| 1511 | mov @tweak[2].16B,@vtmp[0].16b | |
| 1512 | ||
| 1513 | .prcess_last_2blks${std}: | |
| 1514 | ___ | |
| 1515 | &rev32_armeb(@tweak[1],@tweak[1]); | |
| 1516 | &rev32_armeb(@tweak[2],@tweak[2]); | |
| 1517 | $code.=<<___; | |
| 1518 | ld1 {@data[0].4s},[$inp],#16 | |
| 1519 | eor @data[0].16b, @data[0].16b, @tweak[1].16b | |
| 1520 | ___ | |
| 1521 | &rev32(@data[0],@data[0]); | |
| 1522 | &encrypt_1blk(@data[0]); | |
| 1523 | $code.=<<___; | |
| 1524 | eor @data[0].16b, @data[0].16b, @tweak[1].16b | |
| 1525 | st1 {@data[0].4s},[$outp],#16 | |
| 1526 | ||
| 1527 | sub $lastBlk,$outp,16 | |
| 1528 | .loop${std}: | |
| 1529 | subs $remain,$remain,1 | |
| 1530 | ldrb $wtmp0,[$lastBlk,$remain] | |
| 1531 | ldrb $wtmp1,[$inp,$remain] | |
| 1532 | strb $wtmp1,[$lastBlk,$remain] | |
| 1533 | strb $wtmp0,[$outp,$remain] | |
| 1534 | b.gt .loop${std} | |
| 1535 | ld1 {@data[0].4s}, [$lastBlk] | |
| 1536 | eor @data[0].16b, @data[0].16b, @tweak[2].16b | |
| 1537 | ___ | |
| 1538 | &rev32(@data[0],@data[0]); | |
| 1539 | &encrypt_1blk(@data[0]); | |
| 1540 | $code.=<<___; | |
| 1541 | eor @data[0].16b, @data[0].16b, @tweak[2].16b | |
| 1542 | st1 {@data[0].4s}, [$lastBlk] | |
| 1543 | .return${std}: | |
| 1544 | ldp d14, d15, [sp], #0x10 | |
| 1545 | ldp d12, d13, [sp], #0x10 | |
| 1546 | ldp d10, d11, [sp], #0x10 | |
| 1547 | ldp d8, d9, [sp], #0x10 | |
| 1548 | ldp x29, x30, [sp], #0x10 | |
| 1549 | ldp x27, x28, [sp], #0x10 | |
| 1550 | ldp x25, x26, [sp], #0x10 | |
| 1551 | ldp x23, x24, [sp], #0x10 | |
| 1552 | ldp x21, x22, [sp], #0x10 | |
| 1553 | ldp x19, x20, [sp], #0x10 | |
| 1554 | ldp x17, x18, [sp], #0x10 | |
| 1555 | ldp x15, x16, [sp], #0x10 | |
| 1556 | AARCH64_VALIDATE_LINK_REGISTER | |
| 1557 | ret | |
| 1558 | .size ${prefix}_xts_encrypt${std},.-${prefix}_xts_encrypt${std} | |
| 1559 | ___ | |
| 1560 | } # end of gen_xts_cipher | |
| 1561 | &gen_xts_cipher("_gb"); | |
| 1562 | &gen_xts_cipher(""); | |
| 1563 | }}} | |
| 4908787f DH |
1564 | ######################################## |
| 1565 | open SELF,$0; | |
| 1566 | while(<SELF>) { | |
| 1567 | next if (/^#!/); | |
| 1568 | last if (!s/^#/\/\// and !/^$/); | |
| 1569 | print; | |
| 1570 | } | |
| 1571 | close SELF; | |
| 1572 | ||
| 1573 | foreach(split("\n",$code)) { | |
| 1574 | s/\`([^\`]*)\`/eval($1)/ge; | |
| 1575 | print $_,"\n"; | |
| 1576 | } | |
| 1577 | ||
| 1578 | close STDOUT or die "error closing STDOUT: $!"; |