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| 1 #!/usr/bin/env perl |
| 2 |
| 3 # ==================================================================== |
| 4 # Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL |
| 5 # project. The module is, however, dual licensed under OpenSSL and |
| 6 # CRYPTOGAMS licenses depending on where you obtain it. For further |
| 7 # details see http://www.openssl.org/~appro/cryptogams/. |
| 8 # ==================================================================== |
| 9 |
| 10 # AES for s390x. |
| 11 |
| 12 # April 2007. |
| 13 # |
| 14 # Software performance improvement over gcc-generated code is ~70% and |
| 15 # in absolute terms is ~73 cycles per byte processed with 128-bit key. |
| 16 # You're likely to exclaim "why so slow?" Keep in mind that z-CPUs are |
| 17 # *strictly* in-order execution and issued instruction [in this case |
| 18 # load value from memory is critical] has to complete before execution |
| 19 # flow proceeds. S-boxes are compressed to 2KB[+256B]. |
| 20 # |
| 21 # As for hardware acceleration support. It's basically a "teaser," as |
| 22 # it can and should be improved in several ways. Most notably support |
| 23 # for CBC is not utilized, nor multiple blocks are ever processed. |
| 24 # Then software key schedule can be postponed till hardware support |
| 25 # detection... Performance improvement over assembler is reportedly |
| 26 # ~2.5x, but can reach >8x [naturally on larger chunks] if proper |
| 27 # support is implemented. |
| 28 |
| 29 # May 2007. |
| 30 # |
| 31 # Implement AES_set_[en|de]crypt_key. Key schedule setup is avoided |
| 32 # for 128-bit keys, if hardware support is detected. |
| 33 |
| 34 # Januray 2009. |
| 35 # |
| 36 # Add support for hardware AES192/256 and reschedule instructions to |
| 37 # minimize/avoid Address Generation Interlock hazard and to favour |
| 38 # dual-issue z10 pipeline. This gave ~25% improvement on z10 and |
| 39 # almost 50% on z9. The gain is smaller on z10, because being dual- |
| 40 # issue z10 makes it improssible to eliminate the interlock condition: |
| 41 # critial path is not long enough. Yet it spends ~24 cycles per byte |
| 42 # processed with 128-bit key. |
| 43 # |
| 44 # Unlike previous version hardware support detection takes place only |
| 45 # at the moment of key schedule setup, which is denoted in key->rounds. |
| 46 # This is done, because deferred key setup can't be made MT-safe, not |
| 47 # for key lengthes longer than 128 bits. |
| 48 # |
| 49 # Add AES_cbc_encrypt, which gives incredible performance improvement, |
| 50 # it was measured to be ~6.6x. It's less than previously mentioned 8x, |
| 51 # because software implementation was optimized. |
| 52 |
| 53 $softonly=0; # allow hardware support |
| 54 |
| 55 $t0="%r0"; $mask="%r0"; |
| 56 $t1="%r1"; |
| 57 $t2="%r2"; $inp="%r2"; |
| 58 $t3="%r3"; $out="%r3"; $bits="%r3"; |
| 59 $key="%r4"; |
| 60 $i1="%r5"; |
| 61 $i2="%r6"; |
| 62 $i3="%r7"; |
| 63 $s0="%r8"; |
| 64 $s1="%r9"; |
| 65 $s2="%r10"; |
| 66 $s3="%r11"; |
| 67 $tbl="%r12"; |
| 68 $rounds="%r13"; |
| 69 $ra="%r14"; |
| 70 $sp="%r15"; |
| 71 |
| 72 sub _data_word() |
| 73 { my $i; |
| 74 while(defined($i=shift)) { $code.=sprintf".long\t0x%08x,0x%08x\n",$i,$i; } |
| 75 } |
| 76 |
| 77 $code=<<___; |
| 78 .text |
| 79 |
| 80 .type AES_Te,\@object |
| 81 .align 256 |
| 82 AES_Te: |
| 83 ___ |
| 84 &_data_word( |
| 85 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, |
| 86 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, |
| 87 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, |
| 88 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, |
| 89 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, |
| 90 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, |
| 91 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, |
| 92 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, |
| 93 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, |
| 94 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, |
| 95 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, |
| 96 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, |
| 97 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, |
| 98 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, |
| 99 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, |
| 100 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, |
| 101 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, |
| 102 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, |
| 103 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, |
| 104 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, |
| 105 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, |
| 106 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, |
| 107 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, |
| 108 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, |
| 109 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, |
| 110 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, |
| 111 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, |
| 112 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, |
| 113 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, |
| 114 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, |
| 115 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, |
| 116 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, |
| 117 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, |
| 118 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, |
| 119 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, |
| 120 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, |
| 121 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, |
| 122 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, |
| 123 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, |
| 124 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, |
| 125 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, |
| 126 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, |
| 127 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, |
| 128 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, |
| 129 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, |
| 130 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, |
| 131 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, |
| 132 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, |
| 133 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, |
| 134 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, |
| 135 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, |
| 136 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, |
| 137 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, |
| 138 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, |
| 139 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, |
| 140 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, |
| 141 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, |
| 142 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, |
| 143 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, |
| 144 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, |
| 145 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, |
| 146 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, |
| 147 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, |
| 148 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a); |
| 149 $code.=<<___; |
| 150 # Te4[256] |
| 151 .byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5 |
| 152 .byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76 |
| 153 .byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0 |
| 154 .byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0 |
| 155 .byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc |
| 156 .byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15 |
| 157 .byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a |
| 158 .byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75 |
| 159 .byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0 |
| 160 .byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84 |
| 161 .byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b |
| 162 .byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf |
| 163 .byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85 |
| 164 .byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8 |
| 165 .byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5 |
| 166 .byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2 |
| 167 .byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17 |
| 168 .byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73 |
| 169 .byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88 |
| 170 .byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb |
| 171 .byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c |
| 172 .byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79 |
| 173 .byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9 |
| 174 .byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08 |
| 175 .byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6 |
| 176 .byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a |
| 177 .byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e |
| 178 .byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e |
| 179 .byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94 |
| 180 .byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf |
| 181 .byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68 |
| 182 .byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 |
| 183 # rcon[] |
| 184 .long 0x01000000, 0x02000000, 0x04000000, 0x08000000 |
| 185 .long 0x10000000, 0x20000000, 0x40000000, 0x80000000 |
| 186 .long 0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0 |
| 187 .align 256 |
| 188 .size AES_Te,.-AES_Te |
| 189 |
| 190 # void AES_encrypt(const unsigned char *inp, unsigned char *out, |
| 191 # const AES_KEY *key) { |
| 192 .globl AES_encrypt |
| 193 .type AES_encrypt,\@function |
| 194 AES_encrypt: |
| 195 ___ |
| 196 $code.=<<___ if (!$softonly); |
| 197 l %r0,240($key) |
| 198 lhi %r1,16 |
| 199 clr %r0,%r1 |
| 200 jl .Lesoft |
| 201 |
| 202 la %r1,0($key) |
| 203 #la %r2,0($inp) |
| 204 la %r4,0($out) |
| 205 lghi %r3,16 # single block length |
| 206 .long 0xb92e0042 # km %r4,%r2 |
| 207 brc 1,.-4 # can this happen? |
| 208 br %r14 |
| 209 .align 64 |
| 210 .Lesoft: |
| 211 ___ |
| 212 $code.=<<___; |
| 213 stmg %r3,$ra,24($sp) |
| 214 |
| 215 llgf $s0,0($inp) |
| 216 llgf $s1,4($inp) |
| 217 llgf $s2,8($inp) |
| 218 llgf $s3,12($inp) |
| 219 |
| 220 larl $tbl,AES_Te |
| 221 bras $ra,_s390x_AES_encrypt |
| 222 |
| 223 lg $out,24($sp) |
| 224 st $s0,0($out) |
| 225 st $s1,4($out) |
| 226 st $s2,8($out) |
| 227 st $s3,12($out) |
| 228 |
| 229 lmg %r6,$ra,48($sp) |
| 230 br $ra |
| 231 .size AES_encrypt,.-AES_encrypt |
| 232 |
| 233 .type _s390x_AES_encrypt,\@function |
| 234 .align 16 |
| 235 _s390x_AES_encrypt: |
| 236 stg $ra,152($sp) |
| 237 x $s0,0($key) |
| 238 x $s1,4($key) |
| 239 x $s2,8($key) |
| 240 x $s3,12($key) |
| 241 l $rounds,240($key) |
| 242 llill $mask,`0xff<<3` |
| 243 aghi $rounds,-1 |
| 244 j .Lenc_loop |
| 245 .align 16 |
| 246 .Lenc_loop: |
| 247 sllg $t1,$s0,`0+3` |
| 248 srlg $t2,$s0,`8-3` |
| 249 srlg $t3,$s0,`16-3` |
| 250 srl $s0,`24-3` |
| 251 nr $s0,$mask |
| 252 ngr $t1,$mask |
| 253 nr $t2,$mask |
| 254 nr $t3,$mask |
| 255 |
| 256 srlg $i1,$s1,`16-3` # i0 |
| 257 sllg $i2,$s1,`0+3` |
| 258 srlg $i3,$s1,`8-3` |
| 259 srl $s1,`24-3` |
| 260 nr $i1,$mask |
| 261 nr $s1,$mask |
| 262 ngr $i2,$mask |
| 263 nr $i3,$mask |
| 264 |
| 265 l $s0,0($s0,$tbl) # Te0[s0>>24] |
| 266 l $t1,1($t1,$tbl) # Te3[s0>>0] |
| 267 l $t2,2($t2,$tbl) # Te2[s0>>8] |
| 268 l $t3,3($t3,$tbl) # Te1[s0>>16] |
| 269 |
| 270 x $s0,3($i1,$tbl) # Te1[s1>>16] |
| 271 l $s1,0($s1,$tbl) # Te0[s1>>24] |
| 272 x $t2,1($i2,$tbl) # Te3[s1>>0] |
| 273 x $t3,2($i3,$tbl) # Te2[s1>>8] |
| 274 |
| 275 srlg $i1,$s2,`8-3` # i0 |
| 276 srlg $i2,$s2,`16-3` # i1 |
| 277 nr $i1,$mask |
| 278 nr $i2,$mask |
| 279 sllg $i3,$s2,`0+3` |
| 280 srl $s2,`24-3` |
| 281 nr $s2,$mask |
| 282 ngr $i3,$mask |
| 283 |
| 284 xr $s1,$t1 |
| 285 srlg $ra,$s3,`8-3` # i1 |
| 286 sllg $t1,$s3,`0+3` # i0 |
| 287 nr $ra,$mask |
| 288 la $key,16($key) |
| 289 ngr $t1,$mask |
| 290 |
| 291 x $s0,2($i1,$tbl) # Te2[s2>>8] |
| 292 x $s1,3($i2,$tbl) # Te1[s2>>16] |
| 293 l $s2,0($s2,$tbl) # Te0[s2>>24] |
| 294 x $t3,1($i3,$tbl) # Te3[s2>>0] |
| 295 |
| 296 srlg $i3,$s3,`16-3` # i2 |
| 297 xr $s2,$t2 |
| 298 srl $s3,`24-3` |
| 299 nr $i3,$mask |
| 300 nr $s3,$mask |
| 301 |
| 302 x $s0,0($key) |
| 303 x $s1,4($key) |
| 304 x $s2,8($key) |
| 305 x $t3,12($key) |
| 306 |
| 307 x $s0,1($t1,$tbl) # Te3[s3>>0] |
| 308 x $s1,2($ra,$tbl) # Te2[s3>>8] |
| 309 x $s2,3($i3,$tbl) # Te1[s3>>16] |
| 310 l $s3,0($s3,$tbl) # Te0[s3>>24] |
| 311 xr $s3,$t3 |
| 312 |
| 313 brct $rounds,.Lenc_loop |
| 314 .align 16 |
| 315 |
| 316 sllg $t1,$s0,`0+3` |
| 317 srlg $t2,$s0,`8-3` |
| 318 ngr $t1,$mask |
| 319 srlg $t3,$s0,`16-3` |
| 320 srl $s0,`24-3` |
| 321 nr $s0,$mask |
| 322 nr $t2,$mask |
| 323 nr $t3,$mask |
| 324 |
| 325 srlg $i1,$s1,`16-3` # i0 |
| 326 sllg $i2,$s1,`0+3` |
| 327 ngr $i2,$mask |
| 328 srlg $i3,$s1,`8-3` |
| 329 srl $s1,`24-3` |
| 330 nr $i1,$mask |
| 331 nr $s1,$mask |
| 332 nr $i3,$mask |
| 333 |
| 334 llgc $s0,2($s0,$tbl) # Te4[s0>>24] |
| 335 llgc $t1,2($t1,$tbl) # Te4[s0>>0] |
| 336 sll $s0,24 |
| 337 llgc $t2,2($t2,$tbl) # Te4[s0>>8] |
| 338 llgc $t3,2($t3,$tbl) # Te4[s0>>16] |
| 339 sll $t2,8 |
| 340 sll $t3,16 |
| 341 |
| 342 llgc $i1,2($i1,$tbl) # Te4[s1>>16] |
| 343 llgc $s1,2($s1,$tbl) # Te4[s1>>24] |
| 344 llgc $i2,2($i2,$tbl) # Te4[s1>>0] |
| 345 llgc $i3,2($i3,$tbl) # Te4[s1>>8] |
| 346 sll $i1,16 |
| 347 sll $s1,24 |
| 348 sll $i3,8 |
| 349 or $s0,$i1 |
| 350 or $s1,$t1 |
| 351 or $t2,$i2 |
| 352 or $t3,$i3 |
| 353 |
| 354 srlg $i1,$s2,`8-3` # i0 |
| 355 srlg $i2,$s2,`16-3` # i1 |
| 356 nr $i1,$mask |
| 357 nr $i2,$mask |
| 358 sllg $i3,$s2,`0+3` |
| 359 srl $s2,`24-3` |
| 360 ngr $i3,$mask |
| 361 nr $s2,$mask |
| 362 |
| 363 sllg $t1,$s3,`0+3` # i0 |
| 364 srlg $ra,$s3,`8-3` # i1 |
| 365 ngr $t1,$mask |
| 366 |
| 367 llgc $i1,2($i1,$tbl) # Te4[s2>>8] |
| 368 llgc $i2,2($i2,$tbl) # Te4[s2>>16] |
| 369 sll $i1,8 |
| 370 llgc $s2,2($s2,$tbl) # Te4[s2>>24] |
| 371 llgc $i3,2($i3,$tbl) # Te4[s2>>0] |
| 372 sll $i2,16 |
| 373 nr $ra,$mask |
| 374 sll $s2,24 |
| 375 or $s0,$i1 |
| 376 or $s1,$i2 |
| 377 or $s2,$t2 |
| 378 or $t3,$i3 |
| 379 |
| 380 srlg $i3,$s3,`16-3` # i2 |
| 381 srl $s3,`24-3` |
| 382 nr $i3,$mask |
| 383 nr $s3,$mask |
| 384 |
| 385 l $t0,16($key) |
| 386 l $t2,20($key) |
| 387 |
| 388 llgc $i1,2($t1,$tbl) # Te4[s3>>0] |
| 389 llgc $i2,2($ra,$tbl) # Te4[s3>>8] |
| 390 llgc $i3,2($i3,$tbl) # Te4[s3>>16] |
| 391 llgc $s3,2($s3,$tbl) # Te4[s3>>24] |
| 392 sll $i2,8 |
| 393 sll $i3,16 |
| 394 sll $s3,24 |
| 395 or $s0,$i1 |
| 396 or $s1,$i2 |
| 397 or $s2,$i3 |
| 398 or $s3,$t3 |
| 399 |
| 400 lg $ra,152($sp) |
| 401 xr $s0,$t0 |
| 402 xr $s1,$t2 |
| 403 x $s2,24($key) |
| 404 x $s3,28($key) |
| 405 |
| 406 br $ra |
| 407 .size _s390x_AES_encrypt,.-_s390x_AES_encrypt |
| 408 ___ |
| 409 |
| 410 $code.=<<___; |
| 411 .type AES_Td,\@object |
| 412 .align 256 |
| 413 AES_Td: |
| 414 ___ |
| 415 &_data_word( |
| 416 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, |
| 417 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, |
| 418 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, |
| 419 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, |
| 420 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, |
| 421 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, |
| 422 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, |
| 423 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, |
| 424 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, |
| 425 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, |
| 426 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, |
| 427 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, |
| 428 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, |
| 429 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, |
| 430 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, |
| 431 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, |
| 432 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, |
| 433 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, |
| 434 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, |
| 435 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, |
| 436 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, |
| 437 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, |
| 438 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, |
| 439 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, |
| 440 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, |
| 441 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, |
| 442 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, |
| 443 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, |
| 444 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, |
| 445 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, |
| 446 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, |
| 447 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, |
| 448 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, |
| 449 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, |
| 450 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, |
| 451 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, |
| 452 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, |
| 453 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, |
| 454 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, |
| 455 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, |
| 456 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, |
| 457 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, |
| 458 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, |
| 459 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, |
| 460 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, |
| 461 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, |
| 462 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, |
| 463 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, |
| 464 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, |
| 465 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, |
| 466 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, |
| 467 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, |
| 468 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, |
| 469 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, |
| 470 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, |
| 471 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, |
| 472 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, |
| 473 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, |
| 474 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, |
| 475 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, |
| 476 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, |
| 477 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, |
| 478 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, |
| 479 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742); |
| 480 $code.=<<___; |
| 481 # Td4[256] |
| 482 .byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38 |
| 483 .byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb |
| 484 .byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87 |
| 485 .byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb |
| 486 .byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d |
| 487 .byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e |
| 488 .byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2 |
| 489 .byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25 |
| 490 .byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16 |
| 491 .byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92 |
| 492 .byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda |
| 493 .byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84 |
| 494 .byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a |
| 495 .byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06 |
| 496 .byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02 |
| 497 .byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b |
| 498 .byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea |
| 499 .byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73 |
| 500 .byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85 |
| 501 .byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e |
| 502 .byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89 |
| 503 .byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b |
| 504 .byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20 |
| 505 .byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4 |
| 506 .byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31 |
| 507 .byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f |
| 508 .byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d |
| 509 .byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef |
| 510 .byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0 |
| 511 .byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61 |
| 512 .byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26 |
| 513 .byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d |
| 514 .size AES_Td,.-AES_Td |
| 515 |
| 516 # void AES_decrypt(const unsigned char *inp, unsigned char *out, |
| 517 # const AES_KEY *key) { |
| 518 .globl AES_decrypt |
| 519 .type AES_decrypt,\@function |
| 520 AES_decrypt: |
| 521 ___ |
| 522 $code.=<<___ if (!$softonly); |
| 523 l %r0,240($key) |
| 524 lhi %r1,16 |
| 525 clr %r0,%r1 |
| 526 jl .Ldsoft |
| 527 |
| 528 la %r1,0($key) |
| 529 #la %r2,0($inp) |
| 530 la %r4,0($out) |
| 531 lghi %r3,16 # single block length |
| 532 .long 0xb92e0042 # km %r4,%r2 |
| 533 brc 1,.-4 # can this happen? |
| 534 br %r14 |
| 535 .align 64 |
| 536 .Ldsoft: |
| 537 ___ |
| 538 $code.=<<___; |
| 539 stmg %r3,$ra,24($sp) |
| 540 |
| 541 llgf $s0,0($inp) |
| 542 llgf $s1,4($inp) |
| 543 llgf $s2,8($inp) |
| 544 llgf $s3,12($inp) |
| 545 |
| 546 larl $tbl,AES_Td |
| 547 bras $ra,_s390x_AES_decrypt |
| 548 |
| 549 lg $out,24($sp) |
| 550 st $s0,0($out) |
| 551 st $s1,4($out) |
| 552 st $s2,8($out) |
| 553 st $s3,12($out) |
| 554 |
| 555 lmg %r6,$ra,48($sp) |
| 556 br $ra |
| 557 .size AES_decrypt,.-AES_decrypt |
| 558 |
| 559 .type _s390x_AES_decrypt,\@function |
| 560 .align 16 |
| 561 _s390x_AES_decrypt: |
| 562 stg $ra,152($sp) |
| 563 x $s0,0($key) |
| 564 x $s1,4($key) |
| 565 x $s2,8($key) |
| 566 x $s3,12($key) |
| 567 l $rounds,240($key) |
| 568 llill $mask,`0xff<<3` |
| 569 aghi $rounds,-1 |
| 570 j .Ldec_loop |
| 571 .align 16 |
| 572 .Ldec_loop: |
| 573 srlg $t1,$s0,`16-3` |
| 574 srlg $t2,$s0,`8-3` |
| 575 sllg $t3,$s0,`0+3` |
| 576 srl $s0,`24-3` |
| 577 nr $s0,$mask |
| 578 nr $t1,$mask |
| 579 nr $t2,$mask |
| 580 ngr $t3,$mask |
| 581 |
| 582 sllg $i1,$s1,`0+3` # i0 |
| 583 srlg $i2,$s1,`16-3` |
| 584 srlg $i3,$s1,`8-3` |
| 585 srl $s1,`24-3` |
| 586 ngr $i1,$mask |
| 587 nr $s1,$mask |
| 588 nr $i2,$mask |
| 589 nr $i3,$mask |
| 590 |
| 591 l $s0,0($s0,$tbl) # Td0[s0>>24] |
| 592 l $t1,3($t1,$tbl) # Td1[s0>>16] |
| 593 l $t2,2($t2,$tbl) # Td2[s0>>8] |
| 594 l $t3,1($t3,$tbl) # Td3[s0>>0] |
| 595 |
| 596 x $s0,1($i1,$tbl) # Td3[s1>>0] |
| 597 l $s1,0($s1,$tbl) # Td0[s1>>24] |
| 598 x $t2,3($i2,$tbl) # Td1[s1>>16] |
| 599 x $t3,2($i3,$tbl) # Td2[s1>>8] |
| 600 |
| 601 srlg $i1,$s2,`8-3` # i0 |
| 602 sllg $i2,$s2,`0+3` # i1 |
| 603 srlg $i3,$s2,`16-3` |
| 604 srl $s2,`24-3` |
| 605 nr $i1,$mask |
| 606 ngr $i2,$mask |
| 607 nr $s2,$mask |
| 608 nr $i3,$mask |
| 609 |
| 610 xr $s1,$t1 |
| 611 srlg $ra,$s3,`8-3` # i1 |
| 612 srlg $t1,$s3,`16-3` # i0 |
| 613 nr $ra,$mask |
| 614 la $key,16($key) |
| 615 nr $t1,$mask |
| 616 |
| 617 x $s0,2($i1,$tbl) # Td2[s2>>8] |
| 618 x $s1,1($i2,$tbl) # Td3[s2>>0] |
| 619 l $s2,0($s2,$tbl) # Td0[s2>>24] |
| 620 x $t3,3($i3,$tbl) # Td1[s2>>16] |
| 621 |
| 622 sllg $i3,$s3,`0+3` # i2 |
| 623 srl $s3,`24-3` |
| 624 ngr $i3,$mask |
| 625 nr $s3,$mask |
| 626 |
| 627 xr $s2,$t2 |
| 628 x $s0,0($key) |
| 629 x $s1,4($key) |
| 630 x $s2,8($key) |
| 631 x $t3,12($key) |
| 632 |
| 633 x $s0,3($t1,$tbl) # Td1[s3>>16] |
| 634 x $s1,2($ra,$tbl) # Td2[s3>>8] |
| 635 x $s2,1($i3,$tbl) # Td3[s3>>0] |
| 636 l $s3,0($s3,$tbl) # Td0[s3>>24] |
| 637 xr $s3,$t3 |
| 638 |
| 639 brct $rounds,.Ldec_loop |
| 640 .align 16 |
| 641 |
| 642 l $t1,`2048+0`($tbl) # prefetch Td4 |
| 643 l $t2,`2048+64`($tbl) |
| 644 l $t3,`2048+128`($tbl) |
| 645 l $i1,`2048+192`($tbl) |
| 646 llill $mask,0xff |
| 647 |
| 648 srlg $i3,$s0,24 # i0 |
| 649 srlg $t1,$s0,16 |
| 650 srlg $t2,$s0,8 |
| 651 nr $s0,$mask # i3 |
| 652 nr $t1,$mask |
| 653 |
| 654 srlg $i1,$s1,24 |
| 655 nr $t2,$mask |
| 656 srlg $i2,$s1,16 |
| 657 srlg $ra,$s1,8 |
| 658 nr $s1,$mask # i0 |
| 659 nr $i2,$mask |
| 660 nr $ra,$mask |
| 661 |
| 662 llgc $i3,2048($i3,$tbl) # Td4[s0>>24] |
| 663 llgc $t1,2048($t1,$tbl) # Td4[s0>>16] |
| 664 llgc $t2,2048($t2,$tbl) # Td4[s0>>8] |
| 665 sll $t1,16 |
| 666 llgc $t3,2048($s0,$tbl) # Td4[s0>>0] |
| 667 sllg $s0,$i3,24 |
| 668 sll $t2,8 |
| 669 |
| 670 llgc $s1,2048($s1,$tbl) # Td4[s1>>0] |
| 671 llgc $i1,2048($i1,$tbl) # Td4[s1>>24] |
| 672 llgc $i2,2048($i2,$tbl) # Td4[s1>>16] |
| 673 sll $i1,24 |
| 674 llgc $i3,2048($ra,$tbl) # Td4[s1>>8] |
| 675 sll $i2,16 |
| 676 sll $i3,8 |
| 677 or $s0,$s1 |
| 678 or $t1,$i1 |
| 679 or $t2,$i2 |
| 680 or $t3,$i3 |
| 681 |
| 682 srlg $i1,$s2,8 # i0 |
| 683 srlg $i2,$s2,24 |
| 684 srlg $i3,$s2,16 |
| 685 nr $s2,$mask # i1 |
| 686 nr $i1,$mask |
| 687 nr $i3,$mask |
| 688 llgc $i1,2048($i1,$tbl) # Td4[s2>>8] |
| 689 llgc $s1,2048($s2,$tbl) # Td4[s2>>0] |
| 690 llgc $i2,2048($i2,$tbl) # Td4[s2>>24] |
| 691 llgc $i3,2048($i3,$tbl) # Td4[s2>>16] |
| 692 sll $i1,8 |
| 693 sll $i2,24 |
| 694 or $s0,$i1 |
| 695 sll $i3,16 |
| 696 or $t2,$i2 |
| 697 or $t3,$i3 |
| 698 |
| 699 srlg $i1,$s3,16 # i0 |
| 700 srlg $i2,$s3,8 # i1 |
| 701 srlg $i3,$s3,24 |
| 702 nr $s3,$mask # i2 |
| 703 nr $i1,$mask |
| 704 nr $i2,$mask |
| 705 |
| 706 lg $ra,152($sp) |
| 707 or $s1,$t1 |
| 708 l $t0,16($key) |
| 709 l $t1,20($key) |
| 710 |
| 711 llgc $i1,2048($i1,$tbl) # Td4[s3>>16] |
| 712 llgc $i2,2048($i2,$tbl) # Td4[s3>>8] |
| 713 sll $i1,16 |
| 714 llgc $s2,2048($s3,$tbl) # Td4[s3>>0] |
| 715 llgc $s3,2048($i3,$tbl) # Td4[s3>>24] |
| 716 sll $i2,8 |
| 717 sll $s3,24 |
| 718 or $s0,$i1 |
| 719 or $s1,$i2 |
| 720 or $s2,$t2 |
| 721 or $s3,$t3 |
| 722 |
| 723 xr $s0,$t0 |
| 724 xr $s1,$t1 |
| 725 x $s2,24($key) |
| 726 x $s3,28($key) |
| 727 |
| 728 br $ra |
| 729 .size _s390x_AES_decrypt,.-_s390x_AES_decrypt |
| 730 ___ |
| 731 |
| 732 $code.=<<___; |
| 733 # void AES_set_encrypt_key(const unsigned char *in, int bits, |
| 734 # AES_KEY *key) { |
| 735 .globl AES_set_encrypt_key |
| 736 .type AES_set_encrypt_key,\@function |
| 737 .align 16 |
| 738 AES_set_encrypt_key: |
| 739 lghi $t0,0 |
| 740 clgr $inp,$t0 |
| 741 je .Lminus1 |
| 742 clgr $key,$t0 |
| 743 je .Lminus1 |
| 744 |
| 745 lghi $t0,128 |
| 746 clr $bits,$t0 |
| 747 je .Lproceed |
| 748 lghi $t0,192 |
| 749 clr $bits,$t0 |
| 750 je .Lproceed |
| 751 lghi $t0,256 |
| 752 clr $bits,$t0 |
| 753 je .Lproceed |
| 754 lghi %r2,-2 |
| 755 br %r14 |
| 756 |
| 757 .align 16 |
| 758 .Lproceed: |
| 759 ___ |
| 760 $code.=<<___ if (!$softonly); |
| 761 # convert bits to km code, [128,192,256]->[18,19,20] |
| 762 lhi %r5,-128 |
| 763 lhi %r0,18 |
| 764 ar %r5,$bits |
| 765 srl %r5,6 |
| 766 ar %r5,%r0 |
| 767 |
| 768 larl %r1,OPENSSL_s390xcap_P |
| 769 lg %r0,0(%r1) |
| 770 tmhl %r0,0x4000 # check for message-security assist |
| 771 jz .Lekey_internal |
| 772 |
| 773 lghi %r0,0 # query capability vector |
| 774 la %r1,16($sp) |
| 775 .long 0xb92f0042 # kmc %r4,%r2 |
| 776 |
| 777 llihh %r1,0x8000 |
| 778 srlg %r1,%r1,0(%r5) |
| 779 ng %r1,16($sp) |
| 780 jz .Lekey_internal |
| 781 |
| 782 lmg %r0,%r1,0($inp) # just copy 128 bits... |
| 783 stmg %r0,%r1,0($key) |
| 784 lhi %r0,192 |
| 785 cr $bits,%r0 |
| 786 jl 1f |
| 787 lg %r1,16($inp) |
| 788 stg %r1,16($key) |
| 789 je 1f |
| 790 lg %r1,24($inp) |
| 791 stg %r1,24($key) |
| 792 1: st $bits,236($key) # save bits |
| 793 st %r5,240($key) # save km code |
| 794 lghi %r2,0 |
| 795 br %r14 |
| 796 ___ |
| 797 $code.=<<___; |
| 798 .align 16 |
| 799 .Lekey_internal: |
| 800 stmg %r6,%r13,48($sp) # all non-volatile regs |
| 801 |
| 802 larl $tbl,AES_Te+2048 |
| 803 |
| 804 llgf $s0,0($inp) |
| 805 llgf $s1,4($inp) |
| 806 llgf $s2,8($inp) |
| 807 llgf $s3,12($inp) |
| 808 st $s0,0($key) |
| 809 st $s1,4($key) |
| 810 st $s2,8($key) |
| 811 st $s3,12($key) |
| 812 lghi $t0,128 |
| 813 cr $bits,$t0 |
| 814 jne .Lnot128 |
| 815 |
| 816 llill $mask,0xff |
| 817 lghi $t3,0 # i=0 |
| 818 lghi $rounds,10 |
| 819 st $rounds,240($key) |
| 820 |
| 821 llgfr $t2,$s3 # temp=rk[3] |
| 822 srlg $i1,$s3,8 |
| 823 srlg $i2,$s3,16 |
| 824 srlg $i3,$s3,24 |
| 825 nr $t2,$mask |
| 826 nr $i1,$mask |
| 827 nr $i2,$mask |
| 828 |
| 829 .align 16 |
| 830 .L128_loop: |
| 831 la $t2,0($t2,$tbl) |
| 832 la $i1,0($i1,$tbl) |
| 833 la $i2,0($i2,$tbl) |
| 834 la $i3,0($i3,$tbl) |
| 835 icm $t2,2,0($t2) # Te4[rk[3]>>0]<<8 |
| 836 icm $t2,4,0($i1) # Te4[rk[3]>>8]<<16 |
| 837 icm $t2,8,0($i2) # Te4[rk[3]>>16]<<24 |
| 838 icm $t2,1,0($i3) # Te4[rk[3]>>24] |
| 839 x $t2,256($t3,$tbl) # rcon[i] |
| 840 xr $s0,$t2 # rk[4]=rk[0]^... |
| 841 xr $s1,$s0 # rk[5]=rk[1]^rk[4] |
| 842 xr $s2,$s1 # rk[6]=rk[2]^rk[5] |
| 843 xr $s3,$s2 # rk[7]=rk[3]^rk[6] |
| 844 |
| 845 llgfr $t2,$s3 # temp=rk[3] |
| 846 srlg $i1,$s3,8 |
| 847 srlg $i2,$s3,16 |
| 848 nr $t2,$mask |
| 849 nr $i1,$mask |
| 850 srlg $i3,$s3,24 |
| 851 nr $i2,$mask |
| 852 |
| 853 st $s0,16($key) |
| 854 st $s1,20($key) |
| 855 st $s2,24($key) |
| 856 st $s3,28($key) |
| 857 la $key,16($key) # key+=4 |
| 858 la $t3,4($t3) # i++ |
| 859 brct $rounds,.L128_loop |
| 860 lghi %r2,0 |
| 861 lmg %r6,%r13,48($sp) |
| 862 br $ra |
| 863 |
| 864 .align 16 |
| 865 .Lnot128: |
| 866 llgf $t0,16($inp) |
| 867 llgf $t1,20($inp) |
| 868 st $t0,16($key) |
| 869 st $t1,20($key) |
| 870 lghi $t0,192 |
| 871 cr $bits,$t0 |
| 872 jne .Lnot192 |
| 873 |
| 874 llill $mask,0xff |
| 875 lghi $t3,0 # i=0 |
| 876 lghi $rounds,12 |
| 877 st $rounds,240($key) |
| 878 lghi $rounds,8 |
| 879 |
| 880 srlg $i1,$t1,8 |
| 881 srlg $i2,$t1,16 |
| 882 srlg $i3,$t1,24 |
| 883 nr $t1,$mask |
| 884 nr $i1,$mask |
| 885 nr $i2,$mask |
| 886 |
| 887 .align 16 |
| 888 .L192_loop: |
| 889 la $t1,0($t1,$tbl) |
| 890 la $i1,0($i1,$tbl) |
| 891 la $i2,0($i2,$tbl) |
| 892 la $i3,0($i3,$tbl) |
| 893 icm $t1,2,0($t1) # Te4[rk[5]>>0]<<8 |
| 894 icm $t1,4,0($i1) # Te4[rk[5]>>8]<<16 |
| 895 icm $t1,8,0($i2) # Te4[rk[5]>>16]<<24 |
| 896 icm $t1,1,0($i3) # Te4[rk[5]>>24] |
| 897 x $t1,256($t3,$tbl) # rcon[i] |
| 898 xr $s0,$t1 # rk[6]=rk[0]^... |
| 899 xr $s1,$s0 # rk[7]=rk[1]^rk[6] |
| 900 xr $s2,$s1 # rk[8]=rk[2]^rk[7] |
| 901 xr $s3,$s2 # rk[9]=rk[3]^rk[8] |
| 902 |
| 903 st $s0,24($key) |
| 904 st $s1,28($key) |
| 905 st $s2,32($key) |
| 906 st $s3,36($key) |
| 907 brct $rounds,.L192_continue |
| 908 lghi %r2,0 |
| 909 lmg %r6,%r13,48($sp) |
| 910 br $ra |
| 911 |
| 912 .align 16 |
| 913 .L192_continue: |
| 914 lgr $t1,$s3 |
| 915 x $t1,16($key) # rk[10]=rk[4]^rk[9] |
| 916 st $t1,40($key) |
| 917 x $t1,20($key) # rk[11]=rk[5]^rk[10] |
| 918 st $t1,44($key) |
| 919 |
| 920 srlg $i1,$t1,8 |
| 921 srlg $i2,$t1,16 |
| 922 srlg $i3,$t1,24 |
| 923 nr $t1,$mask |
| 924 nr $i1,$mask |
| 925 nr $i2,$mask |
| 926 |
| 927 la $key,24($key) # key+=6 |
| 928 la $t3,4($t3) # i++ |
| 929 j .L192_loop |
| 930 |
| 931 .align 16 |
| 932 .Lnot192: |
| 933 llgf $t0,24($inp) |
| 934 llgf $t1,28($inp) |
| 935 st $t0,24($key) |
| 936 st $t1,28($key) |
| 937 llill $mask,0xff |
| 938 lghi $t3,0 # i=0 |
| 939 lghi $rounds,14 |
| 940 st $rounds,240($key) |
| 941 lghi $rounds,7 |
| 942 |
| 943 srlg $i1,$t1,8 |
| 944 srlg $i2,$t1,16 |
| 945 srlg $i3,$t1,24 |
| 946 nr $t1,$mask |
| 947 nr $i1,$mask |
| 948 nr $i2,$mask |
| 949 |
| 950 .align 16 |
| 951 .L256_loop: |
| 952 la $t1,0($t1,$tbl) |
| 953 la $i1,0($i1,$tbl) |
| 954 la $i2,0($i2,$tbl) |
| 955 la $i3,0($i3,$tbl) |
| 956 icm $t1,2,0($t1) # Te4[rk[7]>>0]<<8 |
| 957 icm $t1,4,0($i1) # Te4[rk[7]>>8]<<16 |
| 958 icm $t1,8,0($i2) # Te4[rk[7]>>16]<<24 |
| 959 icm $t1,1,0($i3) # Te4[rk[7]>>24] |
| 960 x $t1,256($t3,$tbl) # rcon[i] |
| 961 xr $s0,$t1 # rk[8]=rk[0]^... |
| 962 xr $s1,$s0 # rk[9]=rk[1]^rk[8] |
| 963 xr $s2,$s1 # rk[10]=rk[2]^rk[9] |
| 964 xr $s3,$s2 # rk[11]=rk[3]^rk[10] |
| 965 st $s0,32($key) |
| 966 st $s1,36($key) |
| 967 st $s2,40($key) |
| 968 st $s3,44($key) |
| 969 brct $rounds,.L256_continue |
| 970 lghi %r2,0 |
| 971 lmg %r6,%r13,48($sp) |
| 972 br $ra |
| 973 |
| 974 .align 16 |
| 975 .L256_continue: |
| 976 lgr $t1,$s3 # temp=rk[11] |
| 977 srlg $i1,$s3,8 |
| 978 srlg $i2,$s3,16 |
| 979 srlg $i3,$s3,24 |
| 980 nr $t1,$mask |
| 981 nr $i1,$mask |
| 982 nr $i2,$mask |
| 983 la $t1,0($t1,$tbl) |
| 984 la $i1,0($i1,$tbl) |
| 985 la $i2,0($i2,$tbl) |
| 986 la $i3,0($i3,$tbl) |
| 987 llgc $t1,0($t1) # Te4[rk[11]>>0] |
| 988 icm $t1,2,0($i1) # Te4[rk[11]>>8]<<8 |
| 989 icm $t1,4,0($i2) # Te4[rk[11]>>16]<<16 |
| 990 icm $t1,8,0($i3) # Te4[rk[11]>>24]<<24 |
| 991 x $t1,16($key) # rk[12]=rk[4]^... |
| 992 st $t1,48($key) |
| 993 x $t1,20($key) # rk[13]=rk[5]^rk[12] |
| 994 st $t1,52($key) |
| 995 x $t1,24($key) # rk[14]=rk[6]^rk[13] |
| 996 st $t1,56($key) |
| 997 x $t1,28($key) # rk[15]=rk[7]^rk[14] |
| 998 st $t1,60($key) |
| 999 |
| 1000 srlg $i1,$t1,8 |
| 1001 srlg $i2,$t1,16 |
| 1002 srlg $i3,$t1,24 |
| 1003 nr $t1,$mask |
| 1004 nr $i1,$mask |
| 1005 nr $i2,$mask |
| 1006 |
| 1007 la $key,32($key) # key+=8 |
| 1008 la $t3,4($t3) # i++ |
| 1009 j .L256_loop |
| 1010 |
| 1011 .Lminus1: |
| 1012 lghi %r2,-1 |
| 1013 br $ra |
| 1014 .size AES_set_encrypt_key,.-AES_set_encrypt_key |
| 1015 |
| 1016 # void AES_set_decrypt_key(const unsigned char *in, int bits, |
| 1017 # AES_KEY *key) { |
| 1018 .globl AES_set_decrypt_key |
| 1019 .type AES_set_decrypt_key,\@function |
| 1020 .align 16 |
| 1021 AES_set_decrypt_key: |
| 1022 stg $key,32($sp) # I rely on AES_set_encrypt_key to |
| 1023 stg $ra,112($sp) # save non-volatile registers! |
| 1024 bras $ra,AES_set_encrypt_key |
| 1025 lg $key,32($sp) |
| 1026 lg $ra,112($sp) |
| 1027 ltgr %r2,%r2 |
| 1028 bnzr $ra |
| 1029 ___ |
| 1030 $code.=<<___ if (!$softonly); |
| 1031 l $t0,240($key) |
| 1032 lhi $t1,16 |
| 1033 cr $t0,$t1 |
| 1034 jl .Lgo |
| 1035 oill $t0,0x80 # set "decrypt" bit |
| 1036 st $t0,240($key) |
| 1037 br $ra |
| 1038 |
| 1039 .align 16 |
| 1040 .Ldkey_internal: |
| 1041 stg $key,32($sp) |
| 1042 stg $ra,40($sp) |
| 1043 bras $ra,.Lekey_internal |
| 1044 lg $key,32($sp) |
| 1045 lg $ra,40($sp) |
| 1046 ___ |
| 1047 $code.=<<___; |
| 1048 |
| 1049 .Lgo: llgf $rounds,240($key) |
| 1050 la $i1,0($key) |
| 1051 sllg $i2,$rounds,4 |
| 1052 la $i2,0($i2,$key) |
| 1053 srl $rounds,1 |
| 1054 lghi $t1,-16 |
| 1055 |
| 1056 .align 16 |
| 1057 .Linv: lmg $s0,$s1,0($i1) |
| 1058 lmg $s2,$s3,0($i2) |
| 1059 stmg $s0,$s1,0($i2) |
| 1060 stmg $s2,$s3,0($i1) |
| 1061 la $i1,16($i1) |
| 1062 la $i2,0($t1,$i2) |
| 1063 brct $rounds,.Linv |
| 1064 ___ |
| 1065 $mask80=$i1; |
| 1066 $mask1b=$i2; |
| 1067 $maskfe=$i3; |
| 1068 $code.=<<___; |
| 1069 llgf $rounds,240($key) |
| 1070 aghi $rounds,-1 |
| 1071 sll $rounds,2 # (rounds-1)*4 |
| 1072 llilh $mask80,0x8080 |
| 1073 llilh $mask1b,0x1b1b |
| 1074 llilh $maskfe,0xfefe |
| 1075 oill $mask80,0x8080 |
| 1076 oill $mask1b,0x1b1b |
| 1077 oill $maskfe,0xfefe |
| 1078 |
| 1079 .align 16 |
| 1080 .Lmix: l $s0,16($key) # tp1 |
| 1081 lr $s1,$s0 |
| 1082 ngr $s1,$mask80 |
| 1083 srlg $t1,$s1,7 |
| 1084 slr $s1,$t1 |
| 1085 nr $s1,$mask1b |
| 1086 sllg $t1,$s0,1 |
| 1087 nr $t1,$maskfe |
| 1088 xr $s1,$t1 # tp2 |
| 1089 |
| 1090 lr $s2,$s1 |
| 1091 ngr $s2,$mask80 |
| 1092 srlg $t1,$s2,7 |
| 1093 slr $s2,$t1 |
| 1094 nr $s2,$mask1b |
| 1095 sllg $t1,$s1,1 |
| 1096 nr $t1,$maskfe |
| 1097 xr $s2,$t1 # tp4 |
| 1098 |
| 1099 lr $s3,$s2 |
| 1100 ngr $s3,$mask80 |
| 1101 srlg $t1,$s3,7 |
| 1102 slr $s3,$t1 |
| 1103 nr $s3,$mask1b |
| 1104 sllg $t1,$s2,1 |
| 1105 nr $t1,$maskfe |
| 1106 xr $s3,$t1 # tp8 |
| 1107 |
| 1108 xr $s1,$s0 # tp2^tp1 |
| 1109 xr $s2,$s0 # tp4^tp1 |
| 1110 rll $s0,$s0,24 # = ROTATE(tp1,8) |
| 1111 xr $s2,$s3 # ^=tp8 |
| 1112 xr $s0,$s1 # ^=tp2^tp1 |
| 1113 xr $s1,$s3 # tp2^tp1^tp8 |
| 1114 xr $s0,$s2 # ^=tp4^tp1^tp8 |
| 1115 rll $s1,$s1,8 |
| 1116 rll $s2,$s2,16 |
| 1117 xr $s0,$s1 # ^= ROTATE(tp8^tp2^tp1,24) |
| 1118 rll $s3,$s3,24 |
| 1119 xr $s0,$s2 # ^= ROTATE(tp8^tp4^tp1,16) |
| 1120 xr $s0,$s3 # ^= ROTATE(tp8,8) |
| 1121 |
| 1122 st $s0,16($key) |
| 1123 la $key,4($key) |
| 1124 brct $rounds,.Lmix |
| 1125 |
| 1126 lmg %r6,%r13,48($sp)# as was saved by AES_set_encrypt_key! |
| 1127 lghi %r2,0 |
| 1128 br $ra |
| 1129 .size AES_set_decrypt_key,.-AES_set_decrypt_key |
| 1130 ___ |
| 1131 |
| 1132 #void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, |
| 1133 # size_t length, const AES_KEY *key, |
| 1134 # unsigned char *ivec, const int enc) |
| 1135 { |
| 1136 my $inp="%r2"; |
| 1137 my $out="%r4"; # length and out are swapped |
| 1138 my $len="%r3"; |
| 1139 my $key="%r5"; |
| 1140 my $ivp="%r6"; |
| 1141 |
| 1142 $code.=<<___; |
| 1143 .globl AES_cbc_encrypt |
| 1144 .type AES_cbc_encrypt,\@function |
| 1145 .align 16 |
| 1146 AES_cbc_encrypt: |
| 1147 xgr %r3,%r4 # flip %r3 and %r4, out and len |
| 1148 xgr %r4,%r3 |
| 1149 xgr %r3,%r4 |
| 1150 ___ |
| 1151 $code.=<<___ if (!$softonly); |
| 1152 lhi %r0,16 |
| 1153 cl %r0,240($key) |
| 1154 jh .Lcbc_software |
| 1155 |
| 1156 lg %r0,0($ivp) # copy ivec |
| 1157 lg %r1,8($ivp) |
| 1158 stmg %r0,%r1,16($sp) |
| 1159 lmg %r0,%r1,0($key) # copy key, cover 256 bit |
| 1160 stmg %r0,%r1,32($sp) |
| 1161 lmg %r0,%r1,16($key) |
| 1162 stmg %r0,%r1,48($sp) |
| 1163 l %r0,240($key) # load kmc code |
| 1164 lghi $key,15 # res=len%16, len-=res; |
| 1165 ngr $key,$len |
| 1166 slgr $len,$key |
| 1167 la %r1,16($sp) # parameter block - ivec || key |
| 1168 jz .Lkmc_truncated |
| 1169 .long 0xb92f0042 # kmc %r4,%r2 |
| 1170 brc 1,.-4 # pay attention to "partial completion" |
| 1171 ltr $key,$key |
| 1172 jnz .Lkmc_truncated |
| 1173 .Lkmc_done: |
| 1174 lmg %r0,%r1,16($sp) # copy ivec to caller |
| 1175 stg %r0,0($ivp) |
| 1176 stg %r1,8($ivp) |
| 1177 br $ra |
| 1178 .align 16 |
| 1179 .Lkmc_truncated: |
| 1180 ahi $key,-1 # it's the way it's encoded in mvc |
| 1181 tmll %r0,0x80 |
| 1182 jnz .Lkmc_truncated_dec |
| 1183 lghi %r1,0 |
| 1184 stg %r1,128($sp) |
| 1185 stg %r1,136($sp) |
| 1186 bras %r1,1f |
| 1187 mvc 128(1,$sp),0($inp) |
| 1188 1: ex $key,0(%r1) |
| 1189 la %r1,16($sp) # restore parameter block |
| 1190 la $inp,128($sp) |
| 1191 lghi $len,16 |
| 1192 .long 0xb92f0042 # kmc %r4,%r2 |
| 1193 j .Lkmc_done |
| 1194 .align 16 |
| 1195 .Lkmc_truncated_dec: |
| 1196 stg $out,64($sp) |
| 1197 la $out,128($sp) |
| 1198 lghi $len,16 |
| 1199 .long 0xb92f0042 # kmc %r4,%r2 |
| 1200 lg $out,64($sp) |
| 1201 bras %r1,2f |
| 1202 mvc 0(1,$out),128($sp) |
| 1203 2: ex $key,0(%r1) |
| 1204 j .Lkmc_done |
| 1205 .align 16 |
| 1206 .Lcbc_software: |
| 1207 ___ |
| 1208 $code.=<<___; |
| 1209 stmg $key,$ra,40($sp) |
| 1210 lhi %r0,0 |
| 1211 cl %r0,164($sp) |
| 1212 je .Lcbc_decrypt |
| 1213 |
| 1214 larl $tbl,AES_Te |
| 1215 |
| 1216 llgf $s0,0($ivp) |
| 1217 llgf $s1,4($ivp) |
| 1218 llgf $s2,8($ivp) |
| 1219 llgf $s3,12($ivp) |
| 1220 |
| 1221 lghi $t0,16 |
| 1222 slgr $len,$t0 |
| 1223 brc 4,.Lcbc_enc_tail # if borrow |
| 1224 .Lcbc_enc_loop: |
| 1225 stmg $inp,$out,16($sp) |
| 1226 x $s0,0($inp) |
| 1227 x $s1,4($inp) |
| 1228 x $s2,8($inp) |
| 1229 x $s3,12($inp) |
| 1230 lgr %r4,$key |
| 1231 |
| 1232 bras $ra,_s390x_AES_encrypt |
| 1233 |
| 1234 lmg $inp,$key,16($sp) |
| 1235 st $s0,0($out) |
| 1236 st $s1,4($out) |
| 1237 st $s2,8($out) |
| 1238 st $s3,12($out) |
| 1239 |
| 1240 la $inp,16($inp) |
| 1241 la $out,16($out) |
| 1242 lghi $t0,16 |
| 1243 ltgr $len,$len |
| 1244 jz .Lcbc_enc_done |
| 1245 slgr $len,$t0 |
| 1246 brc 4,.Lcbc_enc_tail # if borrow |
| 1247 j .Lcbc_enc_loop |
| 1248 .align 16 |
| 1249 .Lcbc_enc_done: |
| 1250 lg $ivp,48($sp) |
| 1251 st $s0,0($ivp) |
| 1252 st $s1,4($ivp) |
| 1253 st $s2,8($ivp) |
| 1254 st $s3,12($ivp) |
| 1255 |
| 1256 lmg %r7,$ra,56($sp) |
| 1257 br $ra |
| 1258 |
| 1259 .align 16 |
| 1260 .Lcbc_enc_tail: |
| 1261 aghi $len,15 |
| 1262 lghi $t0,0 |
| 1263 stg $t0,128($sp) |
| 1264 stg $t0,136($sp) |
| 1265 bras $t1,3f |
| 1266 mvc 128(1,$sp),0($inp) |
| 1267 3: ex $len,0($t1) |
| 1268 lghi $len,0 |
| 1269 la $inp,128($sp) |
| 1270 j .Lcbc_enc_loop |
| 1271 |
| 1272 .align 16 |
| 1273 .Lcbc_decrypt: |
| 1274 larl $tbl,AES_Td |
| 1275 |
| 1276 lg $t0,0($ivp) |
| 1277 lg $t1,8($ivp) |
| 1278 stmg $t0,$t1,128($sp) |
| 1279 |
| 1280 .Lcbc_dec_loop: |
| 1281 stmg $inp,$out,16($sp) |
| 1282 llgf $s0,0($inp) |
| 1283 llgf $s1,4($inp) |
| 1284 llgf $s2,8($inp) |
| 1285 llgf $s3,12($inp) |
| 1286 lgr %r4,$key |
| 1287 |
| 1288 bras $ra,_s390x_AES_decrypt |
| 1289 |
| 1290 lmg $inp,$key,16($sp) |
| 1291 sllg $s0,$s0,32 |
| 1292 sllg $s2,$s2,32 |
| 1293 lr $s0,$s1 |
| 1294 lr $s2,$s3 |
| 1295 |
| 1296 lg $t0,0($inp) |
| 1297 lg $t1,8($inp) |
| 1298 xg $s0,128($sp) |
| 1299 xg $s2,136($sp) |
| 1300 lghi $s1,16 |
| 1301 slgr $len,$s1 |
| 1302 brc 4,.Lcbc_dec_tail # if borrow |
| 1303 brc 2,.Lcbc_dec_done # if zero |
| 1304 stg $s0,0($out) |
| 1305 stg $s2,8($out) |
| 1306 stmg $t0,$t1,128($sp) |
| 1307 |
| 1308 la $inp,16($inp) |
| 1309 la $out,16($out) |
| 1310 j .Lcbc_dec_loop |
| 1311 |
| 1312 .Lcbc_dec_done: |
| 1313 stg $s0,0($out) |
| 1314 stg $s2,8($out) |
| 1315 .Lcbc_dec_exit: |
| 1316 lmg $ivp,$ra,48($sp) |
| 1317 stmg $t0,$t1,0($ivp) |
| 1318 |
| 1319 br $ra |
| 1320 |
| 1321 .align 16 |
| 1322 .Lcbc_dec_tail: |
| 1323 aghi $len,15 |
| 1324 stg $s0,128($sp) |
| 1325 stg $s2,136($sp) |
| 1326 bras $s1,4f |
| 1327 mvc 0(1,$out),128($sp) |
| 1328 4: ex $len,0($s1) |
| 1329 j .Lcbc_dec_exit |
| 1330 .size AES_cbc_encrypt,.-AES_cbc_encrypt |
| 1331 .comm OPENSSL_s390xcap_P,8,8 |
| 1332 ___ |
| 1333 } |
| 1334 $code.=<<___; |
| 1335 .string "AES for s390x, CRYPTOGAMS by <appro\@openssl.org>" |
| 1336 ___ |
| 1337 |
| 1338 $code =~ s/\`([^\`]*)\`/eval $1/gem; |
| 1339 print $code; |
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