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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Serpent Cipher 4-way parallel algorithm (i586/SSE2) * * Copyright (C) 2011 Jussi Kivilinna <jussi.kivilinna@mbnet.fi> * * Based on crypto/serpent.c by * Copyright (C) 2002 Dag Arne Osvik <osvik@ii.uib.no> * 2003 Herbert Valerio Riedel <hvr@gnu.org> */ #include <linux/linkage.h> .file "serpent-sse2-i586-asm_32.S" .text #define arg_ctx 4 #define arg_dst 8 #define arg_src 12 #define arg_xor 16 /********************************************************************** 4-way SSE2 serpent **********************************************************************/ #define CTX %edx #define RA %xmm0 #define RB %xmm1 #define RC %xmm2 #define RD %xmm3 #define RE %xmm4 #define RT0 %xmm5 #define RT1 %xmm6 #define RNOT %xmm7 #define get_key(i, j, t) \ movd (4*(i)+(j))*4(CTX), t; \ pshufd $0, t, t; #define K(x0, x1, x2, x3, x4, i) \ get_key(i, 0, x4); \ get_key(i, 1, RT0); \ get_key(i, 2, RT1); \ pxor x4, x0; \ pxor RT0, x1; \ pxor RT1, x2; \ get_key(i, 3, x4); \ pxor x4, x3; #define LK(x0, x1, x2, x3, x4, i) \ movdqa x0, x4; \ pslld $13, x0; \ psrld $(32 - 13), x4; \ por x4, x0; \ pxor x0, x1; \ movdqa x2, x4; \ pslld $3, x2; \ psrld $(32 - 3), x4; \ por x4, x2; \ pxor x2, x1; \ movdqa x1, x4; \ pslld $1, x1; \ psrld $(32 - 1), x4; \ por x4, x1; \ movdqa x0, x4; \ pslld $3, x4; \ pxor x2, x3; \ pxor x4, x3; \ movdqa x3, x4; \ pslld $7, x3; \ psrld $(32 - 7), x4; \ por x4, x3; \ movdqa x1, x4; \ pslld $7, x4; \ pxor x1, x0; \ pxor x3, x0; \ pxor x3, x2; \ pxor x4, x2; \ movdqa x0, x4; \ get_key(i, 1, RT0); \ pxor RT0, x1; \ get_key(i, 3, RT0); \ pxor RT0, x3; \ pslld $5, x0; \ psrld $(32 - 5), x4; \ por x4, x0; \ movdqa x2, x4; \ pslld $22, x2; \ psrld $(32 - 22), x4; \ por x4, x2; \ get_key(i, 0, RT0); \ pxor RT0, x0; \ get_key(i, 2, RT0); \ pxor RT0, x2; #define KL(x0, x1, x2, x3, x4, i) \ K(x0, x1, x2, x3, x4, i); \ movdqa x0, x4; \ psrld $5, x0; \ pslld $(32 - 5), x4; \ por x4, x0; \ movdqa x2, x4; \ psrld $22, x2; \ pslld $(32 - 22), x4; \ por x4, x2; \ pxor x3, x2; \ pxor x3, x0; \ movdqa x1, x4; \ pslld $7, x4; \ pxor x1, x0; \ pxor x4, x2; \ movdqa x1, x4; \ psrld $1, x1; \ pslld $(32 - 1), x4; \ por x4, x1; \ movdqa x3, x4; \ psrld $7, x3; \ pslld $(32 - 7), x4; \ por x4, x3; \ pxor x0, x1; \ movdqa x0, x4; \ pslld $3, x4; \ pxor x4, x3; \ movdqa x0, x4; \ psrld $13, x0; \ pslld $(32 - 13), x4; \ por x4, x0; \ pxor x2, x1; \ pxor x2, x3; \ movdqa x2, x4; \ psrld $3, x2; \ pslld $(32 - 3), x4; \ por x4, x2; #define S0(x0, x1, x2, x3, x4) \ movdqa x3, x4; \ por x0, x3; \ pxor x4, x0; \ pxor x2, x4; \ pxor RNOT, x4; \ pxor x1, x3; \ pand x0, x1; \ pxor x4, x1; \ pxor x0, x2; \ pxor x3, x0; \ por x0, x4; \ pxor x2, x0; \ pand x1, x2; \ pxor x2, x3; \ pxor RNOT, x1; \ pxor x4, x2; \ pxor x2, x1; #define S1(x0, x1, x2, x3, x4) \ movdqa x1, x4; \ pxor x0, x1; \ pxor x3, x0; \ pxor RNOT, x3; \ pand x1, x4; \ por x1, x0; \ pxor x2, x3; \ pxor x3, x0; \ pxor x3, x1; \ pxor x4, x3; \ por x4, x1; \ pxor x2, x4; \ pand x0, x2; \ pxor x1, x2; \ por x0, x1; \ pxor RNOT, x0; \ pxor x2, x0; \ pxor x1, x4; #define S2(x0, x1, x2, x3, x4) \ pxor RNOT, x3; \ pxor x0, x1; \ movdqa x0, x4; \ pand x2, x0; \ pxor x3, x0; \ por x4, x3; \ pxor x1, x2; \ pxor x1, x3; \ pand x0, x1; \ pxor x2, x0; \ pand x3, x2; \ por x1, x3; \ pxor RNOT, x0; \ pxor x0, x3; \ pxor x0, x4; \ pxor x2, x0; \ por x2, x1; #define S3(x0, x1, x2, x3, x4) \ movdqa x1, x4; \ pxor x3, x1; \ por x0, x3; \ pand x0, x4; \ pxor x2, x0; \ pxor x1, x2; \ pand x3, x1; \ pxor x3, x2; \ por x4, x0; \ pxor x3, x4; \ pxor x0, x1; \ pand x3, x0; \ pand x4, x3; \ pxor x2, x3; \ por x1, x4; \ pand x1, x2; \ pxor x3, x4; \ pxor x3, x0; \ pxor x2, x3; #define S4(x0, x1, x2, x3, x4) \ movdqa x3, x4; \ pand x0, x3; \ pxor x4, x0; \ pxor x2, x3; \ por x4, x2; \ pxor x1, x0; \ pxor x3, x4; \ por x0, x2; \ pxor x1, x2; \ pand x0, x1; \ pxor x4, x1; \ pand x2, x4; \ pxor x3, x2; \ pxor x0, x4; \ por x1, x3; \ pxor RNOT, x1; \ pxor x0, x3; #define S5(x0, x1, x2, x3, x4) \ movdqa x1, x4; \ por x0, x1; \ pxor x1, x2; \ pxor RNOT, x3; \ pxor x0, x4; \ pxor x2, x0; \ pand x4, x1; \ por x3, x4; \ pxor x0, x4; \ pand x3, x0; \ pxor x3, x1; \ pxor x2, x3; \ pxor x1, x0; \ pand x4, x2; \ pxor x2, x1; \ pand x0, x2; \ pxor x2, x3; #define S6(x0, x1, x2, x3, x4) \ movdqa x1, x4; \ pxor x0, x3; \ pxor x2, x1; \ pxor x0, x2; \ pand x3, x0; \ por x3, x1; \ pxor RNOT, x4; \ pxor x1, x0; \ pxor x2, x1; \ pxor x4, x3; \ pxor x0, x4; \ pand x0, x2; \ pxor x1, x4; \ pxor x3, x2; \ pand x1, x3; \ pxor x0, x3; \ pxor x2, x1; #define S7(x0, x1, x2, x3, x4) \ pxor RNOT, x1; \ movdqa x1, x4; \ pxor RNOT, x0; \ pand x2, x1; \ pxor x3, x1; \ por x4, x3; \ pxor x2, x4; \ pxor x3, x2; \ pxor x0, x3; \ por x1, x0; \ pand x0, x2; \ pxor x4, x0; \ pxor x3, x4; \ pand x0, x3; \ pxor x1, x4; \ pxor x4, x2; \ pxor x1, x3; \ por x0, x4; \ pxor x1, x4; #define SI0(x0, x1, x2, x3, x4) \ movdqa x3, x4; \ pxor x0, x1; \ por x1, x3; \ pxor x1, x4; \ pxor RNOT, x0; \ pxor x3, x2; \ pxor x0, x3; \ pand x1, x0; \ pxor x2, x0; \ pand x3, x2; \ pxor x4, x3; \ pxor x3, x2; \ pxor x3, x1; \ pand x0, x3; \ pxor x0, x1; \ pxor x2, x0; \ pxor x3, x4; #define SI1(x0, x1, x2, x3, x4) \ pxor x3, x1; \ movdqa x0, x4; \ pxor x2, x0; \ pxor RNOT, x2; \ por x1, x4; \ pxor x3, x4; \ pand x1, x3; \ pxor x2, x1; \ pand x4, x2; \ pxor x1, x4; \ por x3, x1; \ pxor x0, x3; \ pxor x0, x2; \ por x4, x0; \ pxor x4, x2; \ pxor x0, x1; \ pxor x1, x4; #define SI2(x0, x1, x2, x3, x4) \ pxor x1, x2; \ movdqa x3, x4; \ pxor RNOT, x3; \ por x2, x3; \ pxor x4, x2; \ pxor x0, x4; \ pxor x1, x3; \ por x2, x1; \ pxor x0, x2; \ pxor x4, x1; \ por x3, x4; \ pxor x3, x2; \ pxor x2, x4; \ pand x1, x2; \ pxor x3, x2; \ pxor x4, x3; \ pxor x0, x4; #define SI3(x0, x1, x2, x3, x4) \ pxor x1, x2; \ movdqa x1, x4; \ pand x2, x1; \ pxor x0, x1; \ por x4, x0; \ pxor x3, x4; \ pxor x3, x0; \ por x1, x3; \ pxor x2, x1; \ pxor x3, x1; \ pxor x2, x0; \ pxor x3, x2; \ pand x1, x3; \ pxor x0, x1; \ pand x2, x0; \ pxor x3, x4; \ pxor x0, x3; \ pxor x1, x0; #define SI4(x0, x1, x2, x3, x4) \ pxor x3, x2; \ movdqa x0, x4; \ pand x1, x0; \ pxor x2, x0; \ por x3, x2; \ pxor RNOT, x4; \ pxor x0, x1; \ pxor x2, x0; \ pand x4, x2; \ pxor x0, x2; \ por x4, x0; \ pxor x3, x0; \ pand x2, x3; \ pxor x3, x4; \ pxor x1, x3; \ pand x0, x1; \ pxor x1, x4; \ pxor x3, x0; #define SI5(x0, x1, x2, x3, x4) \ movdqa x1, x4; \ por x2, x1; \ pxor x4, x2; \ pxor x3, x1; \ pand x4, x3; \ pxor x3, x2; \ por x0, x3; \ pxor RNOT, x0; \ pxor x2, x3; \ por x0, x2; \ pxor x1, x4; \ pxor x4, x2; \ pand x0, x4; \ pxor x1, x0; \ pxor x3, x1; \ pand x2, x0; \ pxor x3, x2; \ pxor x2, x0; \ pxor x4, x2; \ pxor x3, x4; #define SI6(x0, x1, x2, x3, x4) \ pxor x2, x0; \ movdqa x0, x4; \ pand x3, x0; \ pxor x3, x2; \ pxor x2, x0; \ pxor x1, x3; \ por x4, x2; \ pxor x3, x2; \ pand x0, x3; \ pxor RNOT, x0; \ pxor x1, x3; \ pand x2, x1; \ pxor x0, x4; \ pxor x4, x3; \ pxor x2, x4; \ pxor x1, x0; \ pxor x0, x2; #define SI7(x0, x1, x2, x3, x4) \ movdqa x3, x4; \ pand x0, x3; \ pxor x2, x0; \ por x4, x2; \ pxor x1, x4; \ pxor RNOT, x0; \ por x3, x1; \ pxor x0, x4; \ pand x2, x0; \ pxor x1, x0; \ pand x2, x1; \ pxor x2, x3; \ pxor x3, x4; \ pand x3, x2; \ por x0, x3; \ pxor x4, x1; \ pxor x4, x3; \ pand x0, x4; \ pxor x2, x4; #define transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \ movdqa x0, t2; \ punpckldq x1, x0; \ punpckhdq x1, t2; \ movdqa x2, t1; \ punpckhdq x3, x2; \ punpckldq x3, t1; \ movdqa x0, x1; \ punpcklqdq t1, x0; \ punpckhqdq t1, x1; \ movdqa t2, x3; \ punpcklqdq x2, t2; \ punpckhqdq x2, x3; \ movdqa t2, x2; #define read_blocks(in, x0, x1, x2, x3, t0, t1, t2) \ movdqu (0*4*4)(in), x0; \ movdqu (1*4*4)(in), x1; \ movdqu (2*4*4)(in), x2; \ movdqu (3*4*4)(in), x3; \ \ transpose_4x4(x0, x1, x2, x3, t0, t1, t2) #define write_blocks(out, x0, x1, x2, x3, t0, t1, t2) \ transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \ \ movdqu x0, (0*4*4)(out); \ movdqu x1, (1*4*4)(out); \ movdqu x2, (2*4*4)(out); \ movdqu x3, (3*4*4)(out); #define xor_blocks(out, x0, x1, x2, x3, t0, t1, t2) \ transpose_4x4(x0, x1, x2, x3, t0, t1, t2) \ \ movdqu (0*4*4)(out), t0; \ pxor t0, x0; \ movdqu x0, (0*4*4)(out); \ movdqu (1*4*4)(out), t0; \ pxor t0, x1; \ movdqu x1, (1*4*4)(out); \ movdqu (2*4*4)(out), t0; \ pxor t0, x2; \ movdqu x2, (2*4*4)(out); \ movdqu (3*4*4)(out), t0; \ pxor t0, x3; \ movdqu x3, (3*4*4)(out); SYM_FUNC_START(__serpent_enc_blk_4way) /* input: * arg_ctx(%esp): ctx, CTX * arg_dst(%esp): dst * arg_src(%esp): src * arg_xor(%esp): bool, if true: xor output */ pcmpeqd RNOT, RNOT; movl arg_ctx(%esp), CTX; movl arg_src(%esp), %eax; read_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE); K(RA, RB, RC, RD, RE, 0); S0(RA, RB, RC, RD, RE); LK(RC, RB, RD, RA, RE, 1); S1(RC, RB, RD, RA, RE); LK(RE, RD, RA, RC, RB, 2); S2(RE, RD, RA, RC, RB); LK(RB, RD, RE, RC, RA, 3); S3(RB, RD, RE, RC, RA); LK(RC, RA, RD, RB, RE, 4); S4(RC, RA, RD, RB, RE); LK(RA, RD, RB, RE, RC, 5); S5(RA, RD, RB, RE, RC); LK(RC, RA, RD, RE, RB, 6); S6(RC, RA, RD, RE, RB); LK(RD, RB, RA, RE, RC, 7); S7(RD, RB, RA, RE, RC); LK(RC, RA, RE, RD, RB, 8); S0(RC, RA, RE, RD, RB); LK(RE, RA, RD, RC, RB, 9); S1(RE, RA, RD, RC, RB); LK(RB, RD, RC, RE, RA, 10); S2(RB, RD, RC, RE, RA); LK(RA, RD, RB, RE, RC, 11); S3(RA, RD, RB, RE, RC); LK(RE, RC, RD, RA, RB, 12); S4(RE, RC, RD, RA, RB); LK(RC, RD, RA, RB, RE, 13); S5(RC, RD, RA, RB, RE); LK(RE, RC, RD, RB, RA, 14); S6(RE, RC, RD, RB, RA); LK(RD, RA, RC, RB, RE, 15); S7(RD, RA, RC, RB, RE); LK(RE, RC, RB, RD, RA, 16); S0(RE, RC, RB, RD, RA); LK(RB, RC, RD, RE, RA, 17); S1(RB, RC, RD, RE, RA); LK(RA, RD, RE, RB, RC, 18); S2(RA, RD, RE, RB, RC); LK(RC, RD, RA, RB, RE, 19); S3(RC, RD, RA, RB, RE); LK(RB, RE, RD, RC, RA, 20); S4(RB, RE, RD, RC, RA); LK(RE, RD, RC, RA, RB, 21); S5(RE, RD, RC, RA, RB); LK(RB, RE, RD, RA, RC, 22); S6(RB, RE, RD, RA, RC); LK(RD, RC, RE, RA, RB, 23); S7(RD, RC, RE, RA, RB); LK(RB, RE, RA, RD, RC, 24); S0(RB, RE, RA, RD, RC); LK(RA, RE, RD, RB, RC, 25); S1(RA, RE, RD, RB, RC); LK(RC, RD, RB, RA, RE, 26); S2(RC, RD, RB, RA, RE); LK(RE, RD, RC, RA, RB, 27); S3(RE, RD, RC, RA, RB); LK(RA, RB, RD, RE, RC, 28); S4(RA, RB, RD, RE, RC); LK(RB, RD, RE, RC, RA, 29); S5(RB, RD, RE, RC, RA); LK(RA, RB, RD, RC, RE, 30); S6(RA, RB, RD, RC, RE); LK(RD, RE, RB, RC, RA, 31); S7(RD, RE, RB, RC, RA); K(RA, RB, RC, RD, RE, 32); movl arg_dst(%esp), %eax; cmpb $0, arg_xor(%esp); jnz .L__enc_xor4; write_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE); RET; .L__enc_xor4: xor_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE); RET; SYM_FUNC_END(__serpent_enc_blk_4way) SYM_FUNC_START(serpent_dec_blk_4way) /* input: * arg_ctx(%esp): ctx, CTX * arg_dst(%esp): dst * arg_src(%esp): src */ pcmpeqd RNOT, RNOT; movl arg_ctx(%esp), CTX; movl arg_src(%esp), %eax; read_blocks(%eax, RA, RB, RC, RD, RT0, RT1, RE); K(RA, RB, RC, RD, RE, 32); SI7(RA, RB, RC, RD, RE); KL(RB, RD, RA, RE, RC, 31); SI6(RB, RD, RA, RE, RC); KL(RA, RC, RE, RB, RD, 30); SI5(RA, RC, RE, RB, RD); KL(RC, RD, RA, RE, RB, 29); SI4(RC, RD, RA, RE, RB); KL(RC, RA, RB, RE, RD, 28); SI3(RC, RA, RB, RE, RD); KL(RB, RC, RD, RE, RA, 27); SI2(RB, RC, RD, RE, RA); KL(RC, RA, RE, RD, RB, 26); SI1(RC, RA, RE, RD, RB); KL(RB, RA, RE, RD, RC, 25); SI0(RB, RA, RE, RD, RC); KL(RE, RC, RA, RB, RD, 24); SI7(RE, RC, RA, RB, RD); KL(RC, RB, RE, RD, RA, 23); SI6(RC, RB, RE, RD, RA); KL(RE, RA, RD, RC, RB, 22); SI5(RE, RA, RD, RC, RB); KL(RA, RB, RE, RD, RC, 21); SI4(RA, RB, RE, RD, RC); KL(RA, RE, RC, RD, RB, 20); SI3(RA, RE, RC, RD, RB); KL(RC, RA, RB, RD, RE, 19); SI2(RC, RA, RB, RD, RE); KL(RA, RE, RD, RB, RC, 18); SI1(RA, RE, RD, RB, RC); KL(RC, RE, RD, RB, RA, 17); SI0(RC, RE, RD, RB, RA); KL(RD, RA, RE, RC, RB, 16); SI7(RD, RA, RE, RC, RB); KL(RA, RC, RD, RB, RE, 15); SI6(RA, RC, RD, RB, RE); KL(RD, RE, RB, RA, RC, 14); SI5(RD, RE, RB, RA, RC); KL(RE, RC, RD, RB, RA, 13); SI4(RE, RC, RD, RB, RA); KL(RE, RD, RA, RB, RC, 12); SI3(RE, RD, RA, RB, RC); KL(RA, RE, RC, RB, RD, 11); SI2(RA, RE, RC, RB, RD); KL(RE, RD, RB, RC, RA, 10); SI1(RE, RD, RB, RC, RA); KL(RA, RD, RB, RC, RE, 9); SI0(RA, RD, RB, RC, RE); KL(RB, RE, RD, RA, RC, 8); SI7(RB, RE, RD, RA, RC); KL(RE, RA, RB, RC, RD, 7); SI6(RE, RA, RB, RC, RD); KL(RB, RD, RC, RE, RA, 6); SI5(RB, RD, RC, RE, RA); KL(RD, RA, RB, RC, RE, 5); SI4(RD, RA, RB, RC, RE); KL(RD, RB, RE, RC, RA, 4); SI3(RD, RB, RE, RC, RA); KL(RE, RD, RA, RC, RB, 3); SI2(RE, RD, RA, RC, RB); KL(RD, RB, RC, RA, RE, 2); SI1(RD, RB, RC, RA, RE); KL(RE, RB, RC, RA, RD, 1); SI0(RE, RB, RC, RA, RD); K(RC, RD, RB, RE, RA, 0); movl arg_dst(%esp), %eax; write_blocks(%eax, RC, RD, RB, RE, RT0, RT1, RA); RET; SYM_FUNC_END(serpent_dec_blk_4way) |