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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 | /* * x86_64/AVX/AES-NI assembler implementation of Camellia * * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * */ /* * Version licensed under 2-clause BSD License is available at: * http://koti.mbnet.fi/axh/crypto/camellia-BSD-1.2.0-aesni1.tar.xz */ #include <linux/linkage.h> #include <asm/frame.h> #define CAMELLIA_TABLE_BYTE_LEN 272 /* struct camellia_ctx: */ #define key_table 0 #define key_length CAMELLIA_TABLE_BYTE_LEN /* register macros */ #define CTX %rdi /********************************************************************** 16-way camellia **********************************************************************/ #define filter_8bit(x, lo_t, hi_t, mask4bit, tmp0) \ vpand x, mask4bit, tmp0; \ vpandn x, mask4bit, x; \ vpsrld $4, x, x; \ \ vpshufb tmp0, lo_t, tmp0; \ vpshufb x, hi_t, x; \ vpxor tmp0, x, x; /* * IN: * x0..x7: byte-sliced AB state * mem_cd: register pointer storing CD state * key: index for key material * OUT: * x0..x7: new byte-sliced CD state */ #define roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, t0, t1, t2, t3, t4, t5, t6, \ t7, mem_cd, key) \ /* \ * S-function with AES subbytes \ */ \ vmovdqa .Linv_shift_row, t4; \ vbroadcastss .L0f0f0f0f, t7; \ vmovdqa .Lpre_tf_lo_s1, t0; \ vmovdqa .Lpre_tf_hi_s1, t1; \ \ /* AES inverse shift rows */ \ vpshufb t4, x0, x0; \ vpshufb t4, x7, x7; \ vpshufb t4, x1, x1; \ vpshufb t4, x4, x4; \ vpshufb t4, x2, x2; \ vpshufb t4, x5, x5; \ vpshufb t4, x3, x3; \ vpshufb t4, x6, x6; \ \ /* prefilter sboxes 1, 2 and 3 */ \ vmovdqa .Lpre_tf_lo_s4, t2; \ vmovdqa .Lpre_tf_hi_s4, t3; \ filter_8bit(x0, t0, t1, t7, t6); \ filter_8bit(x7, t0, t1, t7, t6); \ filter_8bit(x1, t0, t1, t7, t6); \ filter_8bit(x4, t0, t1, t7, t6); \ filter_8bit(x2, t0, t1, t7, t6); \ filter_8bit(x5, t0, t1, t7, t6); \ \ /* prefilter sbox 4 */ \ vpxor t4, t4, t4; \ filter_8bit(x3, t2, t3, t7, t6); \ filter_8bit(x6, t2, t3, t7, t6); \ \ /* AES subbytes + AES shift rows */ \ vmovdqa .Lpost_tf_lo_s1, t0; \ vmovdqa .Lpost_tf_hi_s1, t1; \ vaesenclast t4, x0, x0; \ vaesenclast t4, x7, x7; \ vaesenclast t4, x1, x1; \ vaesenclast t4, x4, x4; \ vaesenclast t4, x2, x2; \ vaesenclast t4, x5, x5; \ vaesenclast t4, x3, x3; \ vaesenclast t4, x6, x6; \ \ /* postfilter sboxes 1 and 4 */ \ vmovdqa .Lpost_tf_lo_s3, t2; \ vmovdqa .Lpost_tf_hi_s3, t3; \ filter_8bit(x0, t0, t1, t7, t6); \ filter_8bit(x7, t0, t1, t7, t6); \ filter_8bit(x3, t0, t1, t7, t6); \ filter_8bit(x6, t0, t1, t7, t6); \ \ /* postfilter sbox 3 */ \ vmovdqa .Lpost_tf_lo_s2, t4; \ vmovdqa .Lpost_tf_hi_s2, t5; \ filter_8bit(x2, t2, t3, t7, t6); \ filter_8bit(x5, t2, t3, t7, t6); \ \ vpxor t6, t6, t6; \ vmovq key, t0; \ \ /* postfilter sbox 2 */ \ filter_8bit(x1, t4, t5, t7, t2); \ filter_8bit(x4, t4, t5, t7, t2); \ \ vpsrldq $5, t0, t5; \ vpsrldq $1, t0, t1; \ vpsrldq $2, t0, t2; \ vpsrldq $3, t0, t3; \ vpsrldq $4, t0, t4; \ vpshufb t6, t0, t0; \ vpshufb t6, t1, t1; \ vpshufb t6, t2, t2; \ vpshufb t6, t3, t3; \ vpshufb t6, t4, t4; \ vpsrldq $2, t5, t7; \ vpshufb t6, t7, t7; \ \ /* \ * P-function \ */ \ vpxor x5, x0, x0; \ vpxor x6, x1, x1; \ vpxor x7, x2, x2; \ vpxor x4, x3, x3; \ \ vpxor x2, x4, x4; \ vpxor x3, x5, x5; \ vpxor x0, x6, x6; \ vpxor x1, x7, x7; \ \ vpxor x7, x0, x0; \ vpxor x4, x1, x1; \ vpxor x5, x2, x2; \ vpxor x6, x3, x3; \ \ vpxor x3, x4, x4; \ vpxor x0, x5, x5; \ vpxor x1, x6, x6; \ vpxor x2, x7, x7; /* note: high and low parts swapped */ \ \ /* \ * Add key material and result to CD (x becomes new CD) \ */ \ \ vpxor t3, x4, x4; \ vpxor 0 * 16(mem_cd), x4, x4; \ \ vpxor t2, x5, x5; \ vpxor 1 * 16(mem_cd), x5, x5; \ \ vpsrldq $1, t5, t3; \ vpshufb t6, t5, t5; \ vpshufb t6, t3, t6; \ \ vpxor t1, x6, x6; \ vpxor 2 * 16(mem_cd), x6, x6; \ \ vpxor t0, x7, x7; \ vpxor 3 * 16(mem_cd), x7, x7; \ \ vpxor t7, x0, x0; \ vpxor 4 * 16(mem_cd), x0, x0; \ \ vpxor t6, x1, x1; \ vpxor 5 * 16(mem_cd), x1, x1; \ \ vpxor t5, x2, x2; \ vpxor 6 * 16(mem_cd), x2, x2; \ \ vpxor t4, x3, x3; \ vpxor 7 * 16(mem_cd), x3, x3; /* * Size optimization... with inlined roundsm16, binary would be over 5 times * larger and would only be 0.5% faster (on sandy-bridge). */ .align 8 SYM_FUNC_START_LOCAL(roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) roundsm16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rcx, (%r9)); RET; SYM_FUNC_END(roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) .align 8 SYM_FUNC_START_LOCAL(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) roundsm16(%xmm4, %xmm5, %xmm6, %xmm7, %xmm0, %xmm1, %xmm2, %xmm3, %xmm12, %xmm13, %xmm14, %xmm15, %xmm8, %xmm9, %xmm10, %xmm11, %rax, (%r9)); RET; SYM_FUNC_END(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) /* * IN/OUT: * x0..x7: byte-sliced AB state preloaded * mem_ab: byte-sliced AB state in memory * mem_cb: byte-sliced CD state in memory */ #define two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, i, dir, store_ab) \ leaq (key_table + (i) * 8)(CTX), %r9; \ call roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd; \ \ vmovdqu x4, 0 * 16(mem_cd); \ vmovdqu x5, 1 * 16(mem_cd); \ vmovdqu x6, 2 * 16(mem_cd); \ vmovdqu x7, 3 * 16(mem_cd); \ vmovdqu x0, 4 * 16(mem_cd); \ vmovdqu x1, 5 * 16(mem_cd); \ vmovdqu x2, 6 * 16(mem_cd); \ vmovdqu x3, 7 * 16(mem_cd); \ \ leaq (key_table + ((i) + (dir)) * 8)(CTX), %r9; \ call roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab; \ \ store_ab(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab); #define dummy_store(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab) /* do nothing */ #define store_ab_state(x0, x1, x2, x3, x4, x5, x6, x7, mem_ab) \ /* Store new AB state */ \ vmovdqu x0, 0 * 16(mem_ab); \ vmovdqu x1, 1 * 16(mem_ab); \ vmovdqu x2, 2 * 16(mem_ab); \ vmovdqu x3, 3 * 16(mem_ab); \ vmovdqu x4, 4 * 16(mem_ab); \ vmovdqu x5, 5 * 16(mem_ab); \ vmovdqu x6, 6 * 16(mem_ab); \ vmovdqu x7, 7 * 16(mem_ab); #define enc_rounds16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, i) \ two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, (i) + 2, 1, store_ab_state); \ two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, (i) + 4, 1, store_ab_state); \ two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, (i) + 6, 1, dummy_store); #define dec_rounds16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, i) \ two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, (i) + 7, -1, store_ab_state); \ two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, (i) + 5, -1, store_ab_state); \ two_roundsm16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd, (i) + 3, -1, dummy_store); /* * IN: * v0..3: byte-sliced 32-bit integers * OUT: * v0..3: (IN <<< 1) */ #define rol32_1_16(v0, v1, v2, v3, t0, t1, t2, zero) \ vpcmpgtb v0, zero, t0; \ vpaddb v0, v0, v0; \ vpabsb t0, t0; \ \ vpcmpgtb v1, zero, t1; \ vpaddb v1, v1, v1; \ vpabsb t1, t1; \ \ vpcmpgtb v2, zero, t2; \ vpaddb v2, v2, v2; \ vpabsb t2, t2; \ \ vpor t0, v1, v1; \ \ vpcmpgtb v3, zero, t0; \ vpaddb v3, v3, v3; \ vpabsb t0, t0; \ \ vpor t1, v2, v2; \ vpor t2, v3, v3; \ vpor t0, v0, v0; /* * IN: * r: byte-sliced AB state in memory * l: byte-sliced CD state in memory * OUT: * x0..x7: new byte-sliced CD state */ #define fls16(l, l0, l1, l2, l3, l4, l5, l6, l7, r, t0, t1, t2, t3, tt0, \ tt1, tt2, tt3, kll, klr, krl, krr) \ /* \ * t0 = kll; \ * t0 &= ll; \ * lr ^= rol32(t0, 1); \ */ \ vpxor tt0, tt0, tt0; \ vmovd kll, t0; \ vpshufb tt0, t0, t3; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t2; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t1; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t0; \ \ vpand l0, t0, t0; \ vpand l1, t1, t1; \ vpand l2, t2, t2; \ vpand l3, t3, t3; \ \ rol32_1_16(t3, t2, t1, t0, tt1, tt2, tt3, tt0); \ \ vpxor l4, t0, l4; \ vmovdqu l4, 4 * 16(l); \ vpxor l5, t1, l5; \ vmovdqu l5, 5 * 16(l); \ vpxor l6, t2, l6; \ vmovdqu l6, 6 * 16(l); \ vpxor l7, t3, l7; \ vmovdqu l7, 7 * 16(l); \ \ /* \ * t2 = krr; \ * t2 |= rr; \ * rl ^= t2; \ */ \ \ vmovd krr, t0; \ vpshufb tt0, t0, t3; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t2; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t1; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t0; \ \ vpor 4 * 16(r), t0, t0; \ vpor 5 * 16(r), t1, t1; \ vpor 6 * 16(r), t2, t2; \ vpor 7 * 16(r), t3, t3; \ \ vpxor 0 * 16(r), t0, t0; \ vpxor 1 * 16(r), t1, t1; \ vpxor 2 * 16(r), t2, t2; \ vpxor 3 * 16(r), t3, t3; \ vmovdqu t0, 0 * 16(r); \ vmovdqu t1, 1 * 16(r); \ vmovdqu t2, 2 * 16(r); \ vmovdqu t3, 3 * 16(r); \ \ /* \ * t2 = krl; \ * t2 &= rl; \ * rr ^= rol32(t2, 1); \ */ \ vmovd krl, t0; \ vpshufb tt0, t0, t3; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t2; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t1; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t0; \ \ vpand 0 * 16(r), t0, t0; \ vpand 1 * 16(r), t1, t1; \ vpand 2 * 16(r), t2, t2; \ vpand 3 * 16(r), t3, t3; \ \ rol32_1_16(t3, t2, t1, t0, tt1, tt2, tt3, tt0); \ \ vpxor 4 * 16(r), t0, t0; \ vpxor 5 * 16(r), t1, t1; \ vpxor 6 * 16(r), t2, t2; \ vpxor 7 * 16(r), t3, t3; \ vmovdqu t0, 4 * 16(r); \ vmovdqu t1, 5 * 16(r); \ vmovdqu t2, 6 * 16(r); \ vmovdqu t3, 7 * 16(r); \ \ /* \ * t0 = klr; \ * t0 |= lr; \ * ll ^= t0; \ */ \ \ vmovd klr, t0; \ vpshufb tt0, t0, t3; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t2; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t1; \ vpsrldq $1, t0, t0; \ vpshufb tt0, t0, t0; \ \ vpor l4, t0, t0; \ vpor l5, t1, t1; \ vpor l6, t2, t2; \ vpor l7, t3, t3; \ \ vpxor l0, t0, l0; \ vmovdqu l0, 0 * 16(l); \ vpxor l1, t1, l1; \ vmovdqu l1, 1 * 16(l); \ vpxor l2, t2, l2; \ vmovdqu l2, 2 * 16(l); \ vpxor l3, t3, l3; \ vmovdqu l3, 3 * 16(l); #define transpose_4x4(x0, x1, x2, x3, t1, t2) \ vpunpckhdq x1, x0, t2; \ vpunpckldq x1, x0, x0; \ \ vpunpckldq x3, x2, t1; \ vpunpckhdq x3, x2, x2; \ \ vpunpckhqdq t1, x0, x1; \ vpunpcklqdq t1, x0, x0; \ \ vpunpckhqdq x2, t2, x3; \ vpunpcklqdq x2, t2, x2; #define byteslice_16x16b(a0, b0, c0, d0, a1, b1, c1, d1, a2, b2, c2, d2, a3, \ b3, c3, d3, st0, st1) \ vmovdqu d2, st0; \ vmovdqu d3, st1; \ transpose_4x4(a0, a1, a2, a3, d2, d3); \ transpose_4x4(b0, b1, b2, b3, d2, d3); \ vmovdqu st0, d2; \ vmovdqu st1, d3; \ \ vmovdqu a0, st0; \ vmovdqu a1, st1; \ transpose_4x4(c0, c1, c2, c3, a0, a1); \ transpose_4x4(d0, d1, d2, d3, a0, a1); \ \ vmovdqu .Lshufb_16x16b, a0; \ vmovdqu st1, a1; \ vpshufb a0, a2, a2; \ vpshufb a0, a3, a3; \ vpshufb a0, b0, b0; \ vpshufb a0, b1, b1; \ vpshufb a0, b2, b2; \ vpshufb a0, b3, b3; \ vpshufb a0, a1, a1; \ vpshufb a0, c0, c0; \ vpshufb a0, c1, c1; \ vpshufb a0, c2, c2; \ vpshufb a0, c3, c3; \ vpshufb a0, d0, d0; \ vpshufb a0, d1, d1; \ vpshufb a0, d2, d2; \ vpshufb a0, d3, d3; \ vmovdqu d3, st1; \ vmovdqu st0, d3; \ vpshufb a0, d3, a0; \ vmovdqu d2, st0; \ \ transpose_4x4(a0, b0, c0, d0, d2, d3); \ transpose_4x4(a1, b1, c1, d1, d2, d3); \ vmovdqu st0, d2; \ vmovdqu st1, d3; \ \ vmovdqu b0, st0; \ vmovdqu b1, st1; \ transpose_4x4(a2, b2, c2, d2, b0, b1); \ transpose_4x4(a3, b3, c3, d3, b0, b1); \ vmovdqu st0, b0; \ vmovdqu st1, b1; \ /* does not adjust output bytes inside vectors */ /* load blocks to registers and apply pre-whitening */ #define inpack16_pre(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, rio, key) \ vmovq key, x0; \ vpshufb .Lpack_bswap, x0, x0; \ \ vpxor 0 * 16(rio), x0, y7; \ vpxor 1 * 16(rio), x0, y6; \ vpxor 2 * 16(rio), x0, y5; \ vpxor 3 * 16(rio), x0, y4; \ vpxor 4 * 16(rio), x0, y3; \ vpxor 5 * 16(rio), x0, y2; \ vpxor 6 * 16(rio), x0, y1; \ vpxor 7 * 16(rio), x0, y0; \ vpxor 8 * 16(rio), x0, x7; \ vpxor 9 * 16(rio), x0, x6; \ vpxor 10 * 16(rio), x0, x5; \ vpxor 11 * 16(rio), x0, x4; \ vpxor 12 * 16(rio), x0, x3; \ vpxor 13 * 16(rio), x0, x2; \ vpxor 14 * 16(rio), x0, x1; \ vpxor 15 * 16(rio), x0, x0; /* byteslice pre-whitened blocks and store to temporary memory */ #define inpack16_post(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, mem_ab, mem_cd) \ byteslice_16x16b(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, \ y5, y6, y7, (mem_ab), (mem_cd)); \ \ vmovdqu x0, 0 * 16(mem_ab); \ vmovdqu x1, 1 * 16(mem_ab); \ vmovdqu x2, 2 * 16(mem_ab); \ vmovdqu x3, 3 * 16(mem_ab); \ vmovdqu x4, 4 * 16(mem_ab); \ vmovdqu x5, 5 * 16(mem_ab); \ vmovdqu x6, 6 * 16(mem_ab); \ vmovdqu x7, 7 * 16(mem_ab); \ vmovdqu y0, 0 * 16(mem_cd); \ vmovdqu y1, 1 * 16(mem_cd); \ vmovdqu y2, 2 * 16(mem_cd); \ vmovdqu y3, 3 * 16(mem_cd); \ vmovdqu y4, 4 * 16(mem_cd); \ vmovdqu y5, 5 * 16(mem_cd); \ vmovdqu y6, 6 * 16(mem_cd); \ vmovdqu y7, 7 * 16(mem_cd); /* de-byteslice, apply post-whitening and store blocks */ #define outunpack16(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, \ y5, y6, y7, key, stack_tmp0, stack_tmp1) \ byteslice_16x16b(y0, y4, x0, x4, y1, y5, x1, x5, y2, y6, x2, x6, y3, \ y7, x3, x7, stack_tmp0, stack_tmp1); \ \ vmovdqu x0, stack_tmp0; \ \ vmovq key, x0; \ vpshufb .Lpack_bswap, x0, x0; \ \ vpxor x0, y7, y7; \ vpxor x0, y6, y6; \ vpxor x0, y5, y5; \ vpxor x0, y4, y4; \ vpxor x0, y3, y3; \ vpxor x0, y2, y2; \ vpxor x0, y1, y1; \ vpxor x0, y0, y0; \ vpxor x0, x7, x7; \ vpxor x0, x6, x6; \ vpxor x0, x5, x5; \ vpxor x0, x4, x4; \ vpxor x0, x3, x3; \ vpxor x0, x2, x2; \ vpxor x0, x1, x1; \ vpxor stack_tmp0, x0, x0; #define write_output(x0, x1, x2, x3, x4, x5, x6, x7, y0, y1, y2, y3, y4, y5, \ y6, y7, rio) \ vmovdqu x0, 0 * 16(rio); \ vmovdqu x1, 1 * 16(rio); \ vmovdqu x2, 2 * 16(rio); \ vmovdqu x3, 3 * 16(rio); \ vmovdqu x4, 4 * 16(rio); \ vmovdqu x5, 5 * 16(rio); \ vmovdqu x6, 6 * 16(rio); \ vmovdqu x7, 7 * 16(rio); \ vmovdqu y0, 8 * 16(rio); \ vmovdqu y1, 9 * 16(rio); \ vmovdqu y2, 10 * 16(rio); \ vmovdqu y3, 11 * 16(rio); \ vmovdqu y4, 12 * 16(rio); \ vmovdqu y5, 13 * 16(rio); \ vmovdqu y6, 14 * 16(rio); \ vmovdqu y7, 15 * 16(rio); /* NB: section is mergeable, all elements must be aligned 16-byte blocks */ .section .rodata.cst16, "aM", @progbits, 16 .align 16 #define SHUFB_BYTES(idx) \ 0 + (idx), 4 + (idx), 8 + (idx), 12 + (idx) .Lshufb_16x16b: .byte SHUFB_BYTES(0), SHUFB_BYTES(1), SHUFB_BYTES(2), SHUFB_BYTES(3); .Lpack_bswap: .long 0x00010203 .long 0x04050607 .long 0x80808080 .long 0x80808080 /* * pre-SubByte transform * * pre-lookup for sbox1, sbox2, sbox3: * swap_bitendianness( * isom_map_camellia_to_aes( * camellia_f( * swap_bitendianess(in) * ) * ) * ) * * (note: '⊕ 0xc5' inside camellia_f()) */ .Lpre_tf_lo_s1: .byte 0x45, 0xe8, 0x40, 0xed, 0x2e, 0x83, 0x2b, 0x86 .byte 0x4b, 0xe6, 0x4e, 0xe3, 0x20, 0x8d, 0x25, 0x88 .Lpre_tf_hi_s1: .byte 0x00, 0x51, 0xf1, 0xa0, 0x8a, 0xdb, 0x7b, 0x2a .byte 0x09, 0x58, 0xf8, 0xa9, 0x83, 0xd2, 0x72, 0x23 /* * pre-SubByte transform * * pre-lookup for sbox4: * swap_bitendianness( * isom_map_camellia_to_aes( * camellia_f( * swap_bitendianess(in <<< 1) * ) * ) * ) * * (note: '⊕ 0xc5' inside camellia_f()) */ .Lpre_tf_lo_s4: .byte 0x45, 0x40, 0x2e, 0x2b, 0x4b, 0x4e, 0x20, 0x25 .byte 0x14, 0x11, 0x7f, 0x7a, 0x1a, 0x1f, 0x71, 0x74 .Lpre_tf_hi_s4: .byte 0x00, 0xf1, 0x8a, 0x7b, 0x09, 0xf8, 0x83, 0x72 .byte 0xad, 0x5c, 0x27, 0xd6, 0xa4, 0x55, 0x2e, 0xdf /* * post-SubByte transform * * post-lookup for sbox1, sbox4: * swap_bitendianness( * camellia_h( * isom_map_aes_to_camellia( * swap_bitendianness( * aes_inverse_affine_transform(in) * ) * ) * ) * ) * * (note: '⊕ 0x6e' inside camellia_h()) */ .Lpost_tf_lo_s1: .byte 0x3c, 0xcc, 0xcf, 0x3f, 0x32, 0xc2, 0xc1, 0x31 .byte 0xdc, 0x2c, 0x2f, 0xdf, 0xd2, 0x22, 0x21, 0xd1 .Lpost_tf_hi_s1: .byte 0x00, 0xf9, 0x86, 0x7f, 0xd7, 0x2e, 0x51, 0xa8 .byte 0xa4, 0x5d, 0x22, 0xdb, 0x73, 0x8a, 0xf5, 0x0c /* * post-SubByte transform * * post-lookup for sbox2: * swap_bitendianness( * camellia_h( * isom_map_aes_to_camellia( * swap_bitendianness( * aes_inverse_affine_transform(in) * ) * ) * ) * ) <<< 1 * * (note: '⊕ 0x6e' inside camellia_h()) */ .Lpost_tf_lo_s2: .byte 0x78, 0x99, 0x9f, 0x7e, 0x64, 0x85, 0x83, 0x62 .byte 0xb9, 0x58, 0x5e, 0xbf, 0xa5, 0x44, 0x42, 0xa3 .Lpost_tf_hi_s2: .byte 0x00, 0xf3, 0x0d, 0xfe, 0xaf, 0x5c, 0xa2, 0x51 .byte 0x49, 0xba, 0x44, 0xb7, 0xe6, 0x15, 0xeb, 0x18 /* * post-SubByte transform * * post-lookup for sbox3: * swap_bitendianness( * camellia_h( * isom_map_aes_to_camellia( * swap_bitendianness( * aes_inverse_affine_transform(in) * ) * ) * ) * ) >>> 1 * * (note: '⊕ 0x6e' inside camellia_h()) */ .Lpost_tf_lo_s3: .byte 0x1e, 0x66, 0xe7, 0x9f, 0x19, 0x61, 0xe0, 0x98 .byte 0x6e, 0x16, 0x97, 0xef, 0x69, 0x11, 0x90, 0xe8 .Lpost_tf_hi_s3: .byte 0x00, 0xfc, 0x43, 0xbf, 0xeb, 0x17, 0xa8, 0x54 .byte 0x52, 0xae, 0x11, 0xed, 0xb9, 0x45, 0xfa, 0x06 /* For isolating SubBytes from AESENCLAST, inverse shift row */ .Linv_shift_row: .byte 0x00, 0x0d, 0x0a, 0x07, 0x04, 0x01, 0x0e, 0x0b .byte 0x08, 0x05, 0x02, 0x0f, 0x0c, 0x09, 0x06, 0x03 /* 4-bit mask */ .section .rodata.cst4.L0f0f0f0f, "aM", @progbits, 4 .align 4 .L0f0f0f0f: .long 0x0f0f0f0f .text SYM_FUNC_START_LOCAL(__camellia_enc_blk16) /* input: * %rdi: ctx, CTX * %rax: temporary storage, 256 bytes * %xmm0..%xmm15: 16 plaintext blocks * output: * %xmm0..%xmm15: 16 encrypted blocks, order swapped: * 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 */ FRAME_BEGIN leaq 8 * 16(%rax), %rcx; inpack16_post(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx); enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 0); fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, ((key_table + (8) * 8) + 0)(CTX), ((key_table + (8) * 8) + 4)(CTX), ((key_table + (8) * 8) + 8)(CTX), ((key_table + (8) * 8) + 12)(CTX)); enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 8); fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, ((key_table + (16) * 8) + 0)(CTX), ((key_table + (16) * 8) + 4)(CTX), ((key_table + (16) * 8) + 8)(CTX), ((key_table + (16) * 8) + 12)(CTX)); enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 16); movl $24, %r8d; cmpl $16, key_length(CTX); jne .Lenc_max32; .Lenc_done: /* load CD for output */ vmovdqu 0 * 16(%rcx), %xmm8; vmovdqu 1 * 16(%rcx), %xmm9; vmovdqu 2 * 16(%rcx), %xmm10; vmovdqu 3 * 16(%rcx), %xmm11; vmovdqu 4 * 16(%rcx), %xmm12; vmovdqu 5 * 16(%rcx), %xmm13; vmovdqu 6 * 16(%rcx), %xmm14; vmovdqu 7 * 16(%rcx), %xmm15; outunpack16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 16(%rax)); FRAME_END RET; .align 8 .Lenc_max32: movl $32, %r8d; fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, ((key_table + (24) * 8) + 0)(CTX), ((key_table + (24) * 8) + 4)(CTX), ((key_table + (24) * 8) + 8)(CTX), ((key_table + (24) * 8) + 12)(CTX)); enc_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 24); jmp .Lenc_done; SYM_FUNC_END(__camellia_enc_blk16) SYM_FUNC_START_LOCAL(__camellia_dec_blk16) /* input: * %rdi: ctx, CTX * %rax: temporary storage, 256 bytes * %r8d: 24 for 16 byte key, 32 for larger * %xmm0..%xmm15: 16 encrypted blocks * output: * %xmm0..%xmm15: 16 plaintext blocks, order swapped: * 7, 8, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8 */ FRAME_BEGIN leaq 8 * 16(%rax), %rcx; inpack16_post(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx); cmpl $32, %r8d; je .Ldec_max32; .Ldec_max24: dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 16); fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, ((key_table + (16) * 8) + 8)(CTX), ((key_table + (16) * 8) + 12)(CTX), ((key_table + (16) * 8) + 0)(CTX), ((key_table + (16) * 8) + 4)(CTX)); dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 8); fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, ((key_table + (8) * 8) + 8)(CTX), ((key_table + (8) * 8) + 12)(CTX), ((key_table + (8) * 8) + 0)(CTX), ((key_table + (8) * 8) + 4)(CTX)); dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 0); /* load CD for output */ vmovdqu 0 * 16(%rcx), %xmm8; vmovdqu 1 * 16(%rcx), %xmm9; vmovdqu 2 * 16(%rcx), %xmm10; vmovdqu 3 * 16(%rcx), %xmm11; vmovdqu 4 * 16(%rcx), %xmm12; vmovdqu 5 * 16(%rcx), %xmm13; vmovdqu 6 * 16(%rcx), %xmm14; vmovdqu 7 * 16(%rcx), %xmm15; outunpack16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, (key_table)(CTX), (%rax), 1 * 16(%rax)); FRAME_END RET; .align 8 .Ldec_max32: dec_rounds16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rax, %rcx, 24); fls16(%rax, %xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %rcx, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, ((key_table + (24) * 8) + 8)(CTX), ((key_table + (24) * 8) + 12)(CTX), ((key_table + (24) * 8) + 0)(CTX), ((key_table + (24) * 8) + 4)(CTX)); jmp .Ldec_max24; SYM_FUNC_END(__camellia_dec_blk16) SYM_FUNC_START(camellia_ecb_enc_16way) /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) */ FRAME_BEGIN inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rdx, (key_table)(CTX)); /* now dst can be used as temporary buffer (even in src == dst case) */ movq %rsi, %rax; call __camellia_enc_blk16; write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, %xmm8, %rsi); FRAME_END RET; SYM_FUNC_END(camellia_ecb_enc_16way) SYM_FUNC_START(camellia_ecb_dec_16way) /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) */ FRAME_BEGIN cmpl $16, key_length(CTX); movl $32, %r8d; movl $24, %eax; cmovel %eax, %r8d; /* max */ inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rdx, (key_table)(CTX, %r8, 8)); /* now dst can be used as temporary buffer (even in src == dst case) */ movq %rsi, %rax; call __camellia_dec_blk16; write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, %xmm8, %rsi); FRAME_END RET; SYM_FUNC_END(camellia_ecb_dec_16way) SYM_FUNC_START(camellia_cbc_dec_16way) /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) */ FRAME_BEGIN cmpl $16, key_length(CTX); movl $32, %r8d; movl $24, %eax; cmovel %eax, %r8d; /* max */ inpack16_pre(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, %rdx, (key_table)(CTX, %r8, 8)); /* * dst might still be in-use (in case dst == src), so use stack for * temporary storage. */ subq $(16 * 16), %rsp; movq %rsp, %rax; call __camellia_dec_blk16; addq $(16 * 16), %rsp; vpxor (0 * 16)(%rdx), %xmm6, %xmm6; vpxor (1 * 16)(%rdx), %xmm5, %xmm5; vpxor (2 * 16)(%rdx), %xmm4, %xmm4; vpxor (3 * 16)(%rdx), %xmm3, %xmm3; vpxor (4 * 16)(%rdx), %xmm2, %xmm2; vpxor (5 * 16)(%rdx), %xmm1, %xmm1; vpxor (6 * 16)(%rdx), %xmm0, %xmm0; vpxor (7 * 16)(%rdx), %xmm15, %xmm15; vpxor (8 * 16)(%rdx), %xmm14, %xmm14; vpxor (9 * 16)(%rdx), %xmm13, %xmm13; vpxor (10 * 16)(%rdx), %xmm12, %xmm12; vpxor (11 * 16)(%rdx), %xmm11, %xmm11; vpxor (12 * 16)(%rdx), %xmm10, %xmm10; vpxor (13 * 16)(%rdx), %xmm9, %xmm9; vpxor (14 * 16)(%rdx), %xmm8, %xmm8; write_output(%xmm7, %xmm6, %xmm5, %xmm4, %xmm3, %xmm2, %xmm1, %xmm0, %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, %xmm8, %rsi); FRAME_END RET; SYM_FUNC_END(camellia_cbc_dec_16way) |