/* serpent-avx2-amd64.S - AVX2 implementation of Serpent cipher * * Copyright (C) 2013-2015 Jussi Kivilinna * * This file is part of Libgcrypt. * * Libgcrypt is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * Libgcrypt is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program; if not, see . */ #ifdef __x86_64 #include #if (defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \ defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS)) && defined(USE_SERPENT) && \ defined(ENABLE_AVX2_SUPPORT) #ifdef HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS # define ELF(...) __VA_ARGS__ #else # define ELF(...) /*_*/ #endif #ifdef __PIC__ # define RIP (%rip) #else # define RIP #endif /* struct serpent_context: */ #define ctx_keys 0 /* register macros */ #define CTX %rdi /* vector registers */ #define RA0 %ymm0 #define RA1 %ymm1 #define RA2 %ymm2 #define RA3 %ymm3 #define RA4 %ymm4 #define RB0 %ymm5 #define RB1 %ymm6 #define RB2 %ymm7 #define RB3 %ymm8 #define RB4 %ymm9 #define RNOT %ymm10 #define RTMP0 %ymm11 #define RTMP1 %ymm12 #define RTMP2 %ymm13 #define RTMP3 %ymm14 #define RTMP4 %ymm15 #define RNOTx %xmm10 #define RTMP0x %xmm11 #define RTMP1x %xmm12 #define RTMP2x %xmm13 #define RTMP3x %xmm14 #define RTMP4x %xmm15 /********************************************************************** helper macros **********************************************************************/ /* vector 32-bit rotation to left */ #define vec_rol(reg, nleft, tmp) \ vpslld $(nleft), reg, tmp; \ vpsrld $(32 - (nleft)), reg, reg; \ vpor tmp, reg, reg; /* vector 32-bit rotation to right */ #define vec_ror(reg, nright, tmp) \ vec_rol(reg, 32 - nright, tmp) /* 4x4 32-bit integer matrix transpose */ #define transpose_4x4(x0, x1, x2, x3, t1, t2, t3) \ 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; /********************************************************************** 16-way serpent **********************************************************************/ /* * These are the S-Boxes of Serpent from following research paper. * * D. A. Osvik, “Speeding up Serpent,” in Third AES Candidate Conference, * (New York, New York, USA), p. 317–329, National Institute of Standards and * Technology, 2000. * * Paper is also available at: http://www.ii.uib.no/~osvik/pub/aes3.pdf * */ #define SBOX0(r0, r1, r2, r3, r4) \ vpxor r0, r3, r3; vmovdqa r1, r4; \ vpand r3, r1, r1; vpxor r2, r4, r4; \ vpxor r0, r1, r1; vpor r3, r0, r0; \ vpxor r4, r0, r0; vpxor r3, r4, r4; \ vpxor r2, r3, r3; vpor r1, r2, r2; \ vpxor r4, r2, r2; vpxor RNOT, r4, r4; \ vpor r1, r4, r4; vpxor r3, r1, r1; \ vpxor r4, r1, r1; vpor r0, r3, r3; \ vpxor r3, r1, r1; vpxor r3, r4, r4; #define SBOX0_INVERSE(r0, r1, r2, r3, r4) \ vpxor RNOT, r2, r2; vmovdqa r1, r4; \ vpor r0, r1, r1; vpxor RNOT, r4, r4; \ vpxor r2, r1, r1; vpor r4, r2, r2; \ vpxor r3, r1, r1; vpxor r4, r0, r0; \ vpxor r0, r2, r2; vpand r3, r0, r0; \ vpxor r0, r4, r4; vpor r1, r0, r0; \ vpxor r2, r0, r0; vpxor r4, r3, r3; \ vpxor r1, r2, r2; vpxor r0, r3, r3; \ vpxor r1, r3, r3; \ vpand r3, r2, r2; \ vpxor r2, r4, r4; #define SBOX1(r0, r1, r2, r3, r4) \ vpxor RNOT, r0, r0; vpxor RNOT, r2, r2; \ vmovdqa r0, r4; vpand r1, r0, r0; \ vpxor r0, r2, r2; vpor r3, r0, r0; \ vpxor r2, r3, r3; vpxor r0, r1, r1; \ vpxor r4, r0, r0; vpor r1, r4, r4; \ vpxor r3, r1, r1; vpor r0, r2, r2; \ vpand r4, r2, r2; vpxor r1, r0, r0; \ vpand r2, r1, r1; \ vpxor r0, r1, r1; vpand r2, r0, r0; \ vpxor r4, r0, r0; #define SBOX1_INVERSE(r0, r1, r2, r3, r4) \ vmovdqa r1, r4; vpxor r3, r1, r1; \ vpand r1, r3, r3; vpxor r2, r4, r4; \ vpxor r0, r3, r3; vpor r1, r0, r0; \ vpxor r3, r2, r2; vpxor r4, r0, r0; \ vpor r2, r0, r0; vpxor r3, r1, r1; \ vpxor r1, r0, r0; vpor r3, r1, r1; \ vpxor r0, r1, r1; vpxor RNOT, r4, r4; \ vpxor r1, r4, r4; vpor r0, r1, r1; \ vpxor r0, r1, r1; \ vpor r4, r1, r1; \ vpxor r1, r3, r3; #define SBOX2(r0, r1, r2, r3, r4) \ vmovdqa r0, r4; vpand r2, r0, r0; \ vpxor r3, r0, r0; vpxor r1, r2, r2; \ vpxor r0, r2, r2; vpor r4, r3, r3; \ vpxor r1, r3, r3; vpxor r2, r4, r4; \ vmovdqa r3, r1; vpor r4, r3, r3; \ vpxor r0, r3, r3; vpand r1, r0, r0; \ vpxor r0, r4, r4; vpxor r3, r1, r1; \ vpxor r4, r1, r1; vpxor RNOT, r4, r4; #define SBOX2_INVERSE(r0, r1, r2, r3, r4) \ vpxor r3, r2, r2; vpxor r0, r3, r3; \ vmovdqa r3, r4; vpand r2, r3, r3; \ vpxor r1, r3, r3; vpor r2, r1, r1; \ vpxor r4, r1, r1; vpand r3, r4, r4; \ vpxor r3, r2, r2; vpand r0, r4, r4; \ vpxor r2, r4, r4; vpand r1, r2, r2; \ vpor r0, r2, r2; vpxor RNOT, r3, r3; \ vpxor r3, r2, r2; vpxor r3, r0, r0; \ vpand r1, r0, r0; vpxor r4, r3, r3; \ vpxor r0, r3, r3; #define SBOX3(r0, r1, r2, r3, r4) \ vmovdqa r0, r4; vpor r3, r0, r0; \ vpxor r1, r3, r3; vpand r4, r1, r1; \ vpxor r2, r4, r4; vpxor r3, r2, r2; \ vpand r0, r3, r3; vpor r1, r4, r4; \ vpxor r4, r3, r3; vpxor r1, r0, r0; \ vpand r0, r4, r4; vpxor r3, r1, r1; \ vpxor r2, r4, r4; vpor r0, r1, r1; \ vpxor r2, r1, r1; vpxor r3, r0, r0; \ vmovdqa r1, r2; vpor r3, r1, r1; \ vpxor r0, r1, r1; #define SBOX3_INVERSE(r0, r1, r2, r3, r4) \ vmovdqa r2, r4; vpxor r1, r2, r2; \ vpxor r2, r0, r0; vpand r2, r4, r4; \ vpxor r0, r4, r4; vpand r1, r0, r0; \ vpxor r3, r1, r1; vpor r4, r3, r3; \ vpxor r3, r2, r2; vpxor r3, r0, r0; \ vpxor r4, r1, r1; vpand r2, r3, r3; \ vpxor r1, r3, r3; vpxor r0, r1, r1; \ vpor r2, r1, r1; vpxor r3, r0, r0; \ vpxor r4, r1, r1; \ vpxor r1, r0, r0; #define SBOX4(r0, r1, r2, r3, r4) \ vpxor r3, r1, r1; vpxor RNOT, r3, r3; \ vpxor r3, r2, r2; vpxor r0, r3, r3; \ vmovdqa r1, r4; vpand r3, r1, r1; \ vpxor r2, r1, r1; vpxor r3, r4, r4; \ vpxor r4, r0, r0; vpand r4, r2, r2; \ vpxor r0, r2, r2; vpand r1, r0, r0; \ vpxor r0, r3, r3; vpor r1, r4, r4; \ vpxor r0, r4, r4; vpor r3, r0, r0; \ vpxor r2, r0, r0; vpand r3, r2, r2; \ vpxor RNOT, r0, r0; vpxor r2, r4, r4; #define SBOX4_INVERSE(r0, r1, r2, r3, r4) \ vmovdqa r2, r4; vpand r3, r2, r2; \ vpxor r1, r2, r2; vpor r3, r1, r1; \ vpand r0, r1, r1; vpxor r2, r4, r4; \ vpxor r1, r4, r4; vpand r2, r1, r1; \ vpxor RNOT, r0, r0; vpxor r4, r3, r3; \ vpxor r3, r1, r1; vpand r0, r3, r3; \ vpxor r2, r3, r3; vpxor r1, r0, r0; \ vpand r0, r2, r2; vpxor r0, r3, r3; \ vpxor r4, r2, r2; \ vpor r3, r2, r2; vpxor r0, r3, r3; \ vpxor r1, r2, r2; #define SBOX5(r0, r1, r2, r3, r4) \ vpxor r1, r0, r0; vpxor r3, r1, r1; \ vpxor RNOT, r3, r3; vmovdqa r1, r4; \ vpand r0, r1, r1; vpxor r3, r2, r2; \ vpxor r2, r1, r1; vpor r4, r2, r2; \ vpxor r3, r4, r4; vpand r1, r3, r3; \ vpxor r0, r3, r3; vpxor r1, r4, r4; \ vpxor r2, r4, r4; vpxor r0, r2, r2; \ vpand r3, r0, r0; vpxor RNOT, r2, r2; \ vpxor r4, r0, r0; vpor r3, r4, r4; \ vpxor r4, r2, r2; #define SBOX5_INVERSE(r0, r1, r2, r3, r4) \ vpxor RNOT, r1, r1; vmovdqa r3, r4; \ vpxor r1, r2, r2; vpor r0, r3, r3; \ vpxor r2, r3, r3; vpor r1, r2, r2; \ vpand r0, r2, r2; vpxor r3, r4, r4; \ vpxor r4, r2, r2; vpor r0, r4, r4; \ vpxor r1, r4, r4; vpand r2, r1, r1; \ vpxor r3, r1, r1; vpxor r2, r4, r4; \ vpand r4, r3, r3; vpxor r1, r4, r4; \ vpxor r4, r3, r3; vpxor RNOT, r4, r4; \ vpxor r0, r3, r3; #define SBOX6(r0, r1, r2, r3, r4) \ vpxor RNOT, r2, r2; vmovdqa r3, r4; \ vpand r0, r3, r3; vpxor r4, r0, r0; \ vpxor r2, r3, r3; vpor r4, r2, r2; \ vpxor r3, r1, r1; vpxor r0, r2, r2; \ vpor r1, r0, r0; vpxor r1, r2, r2; \ vpxor r0, r4, r4; vpor r3, r0, r0; \ vpxor r2, r0, r0; vpxor r3, r4, r4; \ vpxor r0, r4, r4; vpxor RNOT, r3, r3; \ vpand r4, r2, r2; \ vpxor r3, r2, r2; #define SBOX6_INVERSE(r0, r1, r2, r3, r4) \ vpxor r2, r0, r0; vmovdqa r2, r4; \ vpand r0, r2, r2; vpxor r3, r4, r4; \ vpxor RNOT, r2, r2; vpxor r1, r3, r3; \ vpxor r3, r2, r2; vpor r0, r4, r4; \ vpxor r2, r0, r0; vpxor r4, r3, r3; \ vpxor r1, r4, r4; vpand r3, r1, r1; \ vpxor r0, r1, r1; vpxor r3, r0, r0; \ vpor r2, r0, r0; vpxor r1, r3, r3; \ vpxor r0, r4, r4; #define SBOX7(r0, r1, r2, r3, r4) \ vmovdqa r1, r4; vpor r2, r1, r1; \ vpxor r3, r1, r1; vpxor r2, r4, r4; \ vpxor r1, r2, r2; vpor r4, r3, r3; \ vpand r0, r3, r3; vpxor r2, r4, r4; \ vpxor r1, r3, r3; vpor r4, r1, r1; \ vpxor r0, r1, r1; vpor r4, r0, r0; \ vpxor r2, r0, r0; vpxor r4, r1, r1; \ vpxor r1, r2, r2; vpand r0, r1, r1; \ vpxor r4, r1, r1; vpxor RNOT, r2, r2; \ vpor r0, r2, r2; \ vpxor r2, r4, r4; #define SBOX7_INVERSE(r0, r1, r2, r3, r4) \ vmovdqa r2, r4; vpxor r0, r2, r2; \ vpand r3, r0, r0; vpor r3, r4, r4; \ vpxor RNOT, r2, r2; vpxor r1, r3, r3; \ vpor r0, r1, r1; vpxor r2, r0, r0; \ vpand r4, r2, r2; vpand r4, r3, r3; \ vpxor r2, r1, r1; vpxor r0, r2, r2; \ vpor r2, r0, r0; vpxor r1, r4, r4; \ vpxor r3, r0, r0; vpxor r4, r3, r3; \ vpor r0, r4, r4; vpxor r2, r3, r3; \ vpxor r2, r4, r4; /* Apply SBOX number WHICH to to the block. */ #define SBOX(which, r0, r1, r2, r3, r4) \ SBOX##which (r0, r1, r2, r3, r4) /* Apply inverse SBOX number WHICH to to the block. */ #define SBOX_INVERSE(which, r0, r1, r2, r3, r4) \ SBOX##which##_INVERSE (r0, r1, r2, r3, r4) /* XOR round key into block state in r0,r1,r2,r3. r4 used as temporary. */ #define BLOCK_XOR_KEY(r0, r1, r2, r3, r4, round) \ vpbroadcastd (ctx_keys + (round) * 16 + 0 * 4)(CTX), r4; \ vpxor r4, r0, r0; \ vpbroadcastd (ctx_keys + (round) * 16 + 1 * 4)(CTX), r4; \ vpxor r4, r1, r1; \ vpbroadcastd (ctx_keys + (round) * 16 + 2 * 4)(CTX), r4; \ vpxor r4, r2, r2; \ vpbroadcastd (ctx_keys + (round) * 16 + 3 * 4)(CTX), r4; \ vpxor r4, r3, r3; /* Apply the linear transformation to BLOCK. */ #define LINEAR_TRANSFORMATION(r0, r1, r2, r3, r4) \ vec_rol(r0, 13, r4); \ vec_rol(r2, 3, r4); \ vpxor r0, r1, r1; \ vpxor r2, r1, r1; \ vpslld $3, r0, r4; \ vpxor r2, r3, r3; \ vpxor r4, r3, r3; \ vec_rol(r1, 1, r4); \ vec_rol(r3, 7, r4); \ vpxor r1, r0, r0; \ vpxor r3, r0, r0; \ vpslld $7, r1, r4; \ vpxor r3, r2, r2; \ vpxor r4, r2, r2; \ vec_rol(r0, 5, r4); \ vec_rol(r2, 22, r4); /* Apply the inverse linear transformation to BLOCK. */ #define LINEAR_TRANSFORMATION_INVERSE(r0, r1, r2, r3, r4) \ vec_ror(r2, 22, r4); \ vec_ror(r0, 5, r4); \ vpslld $7, r1, r4; \ vpxor r3, r2, r2; \ vpxor r4, r2, r2; \ vpxor r1, r0, r0; \ vpxor r3, r0, r0; \ vec_ror(r3, 7, r4); \ vec_ror(r1, 1, r4); \ vpslld $3, r0, r4; \ vpxor r2, r3, r3; \ vpxor r4, r3, r3; \ vpxor r0, r1, r1; \ vpxor r2, r1, r1; \ vec_ror(r2, 3, r4); \ vec_ror(r0, 13, r4); /* Apply a Serpent round to sixteen parallel blocks. This macro increments `round'. */ #define ROUND(round, which, a0, a1, a2, a3, a4, na0, na1, na2, na3, na4, \ b0, b1, b2, b3, b4, nb0, nb1, nb2, nb3, nb4) \ BLOCK_XOR_KEY (a0, a1, a2, a3, a4, round); \ SBOX (which, a0, a1, a2, a3, a4); \ BLOCK_XOR_KEY (b0, b1, b2, b3, b4, round); \ SBOX (which, b0, b1, b2, b3, b4); \ LINEAR_TRANSFORMATION (na0, na1, na2, na3, na4); \ LINEAR_TRANSFORMATION (nb0, nb1, nb2, nb3, nb4); /* Apply the last Serpent round to sixteen parallel blocks. This macro increments `round'. */ #define ROUND_LAST(round, which, a0, a1, a2, a3, a4, na0, na1, na2, na3, na4, \ b0, b1, b2, b3, b4, nb0, nb1, nb2, nb3, nb4) \ BLOCK_XOR_KEY (a0, a1, a2, a3, a4, round); \ SBOX (which, a0, a1, a2, a3, a4); \ BLOCK_XOR_KEY (b0, b1, b2, b3, b4, round); \ SBOX (which, b0, b1, b2, b3, b4); \ BLOCK_XOR_KEY (na0, na1, na2, na3, na4, ((round) + 1)); \ BLOCK_XOR_KEY (nb0, nb1, nb2, nb3, nb4, ((round) + 1)); /* Apply an inverse Serpent round to sixteen parallel blocks. This macro increments `round'. */ #define ROUND_INVERSE(round, which, a0, a1, a2, a3, a4, \ na0, na1, na2, na3, na4, \ b0, b1, b2, b3, b4, \ nb0, nb1, nb2, nb3, nb4) \ LINEAR_TRANSFORMATION_INVERSE (a0, a1, a2, a3, a4); \ LINEAR_TRANSFORMATION_INVERSE (b0, b1, b2, b3, b4); \ SBOX_INVERSE (which, a0, a1, a2, a3, a4); \ BLOCK_XOR_KEY (na0, na1, na2, na3, na4, round); \ SBOX_INVERSE (which, b0, b1, b2, b3, b4); \ BLOCK_XOR_KEY (nb0, nb1, nb2, nb3, nb4, round); /* Apply the first inverse Serpent round to sixteen parallel blocks. This macro increments `round'. */ #define ROUND_FIRST_INVERSE(round, which, a0, a1, a2, a3, a4, \ na0, na1, na2, na3, na4, \ b0, b1, b2, b3, b4, \ nb0, nb1, nb2, nb3, nb4) \ BLOCK_XOR_KEY (a0, a1, a2, a3, a4, ((round) + 1)); \ BLOCK_XOR_KEY (b0, b1, b2, b3, b4, ((round) + 1)); \ SBOX_INVERSE (which, a0, a1, a2, a3, a4); \ BLOCK_XOR_KEY (na0, na1, na2, na3, na4, round); \ SBOX_INVERSE (which, b0, b1, b2, b3, b4); \ BLOCK_XOR_KEY (nb0, nb1, nb2, nb3, nb4, round); .text .align 8 ELF(.type __serpent_enc_blk16,@function;) __serpent_enc_blk16: /* input: * %rdi: ctx, CTX * RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3: sixteen parallel * plaintext blocks * output: * RA4, RA1, RA2, RA0, RB4, RB1, RB2, RB0: sixteen parallel * ciphertext blocks */ vpcmpeqd RNOT, RNOT, RNOT; transpose_4x4(RA0, RA1, RA2, RA3, RA4, RTMP0, RTMP1); transpose_4x4(RB0, RB1, RB2, RB3, RB4, RTMP0, RTMP1); ROUND (0, 0, RA0, RA1, RA2, RA3, RA4, RA1, RA4, RA2, RA0, RA3, RB0, RB1, RB2, RB3, RB4, RB1, RB4, RB2, RB0, RB3); ROUND (1, 1, RA1, RA4, RA2, RA0, RA3, RA2, RA1, RA0, RA4, RA3, RB1, RB4, RB2, RB0, RB3, RB2, RB1, RB0, RB4, RB3); ROUND (2, 2, RA2, RA1, RA0, RA4, RA3, RA0, RA4, RA1, RA3, RA2, RB2, RB1, RB0, RB4, RB3, RB0, RB4, RB1, RB3, RB2); ROUND (3, 3, RA0, RA4, RA1, RA3, RA2, RA4, RA1, RA3, RA2, RA0, RB0, RB4, RB1, RB3, RB2, RB4, RB1, RB3, RB2, RB0); ROUND (4, 4, RA4, RA1, RA3, RA2, RA0, RA1, RA0, RA4, RA2, RA3, RB4, RB1, RB3, RB2, RB0, RB1, RB0, RB4, RB2, RB3); ROUND (5, 5, RA1, RA0, RA4, RA2, RA3, RA0, RA2, RA1, RA4, RA3, RB1, RB0, RB4, RB2, RB3, RB0, RB2, RB1, RB4, RB3); ROUND (6, 6, RA0, RA2, RA1, RA4, RA3, RA0, RA2, RA3, RA1, RA4, RB0, RB2, RB1, RB4, RB3, RB0, RB2, RB3, RB1, RB4); ROUND (7, 7, RA0, RA2, RA3, RA1, RA4, RA4, RA1, RA2, RA0, RA3, RB0, RB2, RB3, RB1, RB4, RB4, RB1, RB2, RB0, RB3); ROUND (8, 0, RA4, RA1, RA2, RA0, RA3, RA1, RA3, RA2, RA4, RA0, RB4, RB1, RB2, RB0, RB3, RB1, RB3, RB2, RB4, RB0); ROUND (9, 1, RA1, RA3, RA2, RA4, RA0, RA2, RA1, RA4, RA3, RA0, RB1, RB3, RB2, RB4, RB0, RB2, RB1, RB4, RB3, RB0); ROUND (10, 2, RA2, RA1, RA4, RA3, RA0, RA4, RA3, RA1, RA0, RA2, RB2, RB1, RB4, RB3, RB0, RB4, RB3, RB1, RB0, RB2); ROUND (11, 3, RA4, RA3, RA1, RA0, RA2, RA3, RA1, RA0, RA2, RA4, RB4, RB3, RB1, RB0, RB2, RB3, RB1, RB0, RB2, RB4); ROUND (12, 4, RA3, RA1, RA0, RA2, RA4, RA1, RA4, RA3, RA2, RA0, RB3, RB1, RB0, RB2, RB4, RB1, RB4, RB3, RB2, RB0); ROUND (13, 5, RA1, RA4, RA3, RA2, RA0, RA4, RA2, RA1, RA3, RA0, RB1, RB4, RB3, RB2, RB0, RB4, RB2, RB1, RB3, RB0); ROUND (14, 6, RA4, RA2, RA1, RA3, RA0, RA4, RA2, RA0, RA1, RA3, RB4, RB2, RB1, RB3, RB0, RB4, RB2, RB0, RB1, RB3); ROUND (15, 7, RA4, RA2, RA0, RA1, RA3, RA3, RA1, RA2, RA4, RA0, RB4, RB2, RB0, RB1, RB3, RB3, RB1, RB2, RB4, RB0); ROUND (16, 0, RA3, RA1, RA2, RA4, RA0, RA1, RA0, RA2, RA3, RA4, RB3, RB1, RB2, RB4, RB0, RB1, RB0, RB2, RB3, RB4); ROUND (17, 1, RA1, RA0, RA2, RA3, RA4, RA2, RA1, RA3, RA0, RA4, RB1, RB0, RB2, RB3, RB4, RB2, RB1, RB3, RB0, RB4); ROUND (18, 2, RA2, RA1, RA3, RA0, RA4, RA3, RA0, RA1, RA4, RA2, RB2, RB1, RB3, RB0, RB4, RB3, RB0, RB1, RB4, RB2); ROUND (19, 3, RA3, RA0, RA1, RA4, RA2, RA0, RA1, RA4, RA2, RA3, RB3, RB0, RB1, RB4, RB2, RB0, RB1, RB4, RB2, RB3); ROUND (20, 4, RA0, RA1, RA4, RA2, RA3, RA1, RA3, RA0, RA2, RA4, RB0, RB1, RB4, RB2, RB3, RB1, RB3, RB0, RB2, RB4); ROUND (21, 5, RA1, RA3, RA0, RA2, RA4, RA3, RA2, RA1, RA0, RA4, RB1, RB3, RB0, RB2, RB4, RB3, RB2, RB1, RB0, RB4); ROUND (22, 6, RA3, RA2, RA1, RA0, RA4, RA3, RA2, RA4, RA1, RA0, RB3, RB2, RB1, RB0, RB4, RB3, RB2, RB4, RB1, RB0); ROUND (23, 7, RA3, RA2, RA4, RA1, RA0, RA0, RA1, RA2, RA3, RA4, RB3, RB2, RB4, RB1, RB0, RB0, RB1, RB2, RB3, RB4); ROUND (24, 0, RA0, RA1, RA2, RA3, RA4, RA1, RA4, RA2, RA0, RA3, RB0, RB1, RB2, RB3, RB4, RB1, RB4, RB2, RB0, RB3); ROUND (25, 1, RA1, RA4, RA2, RA0, RA3, RA2, RA1, RA0, RA4, RA3, RB1, RB4, RB2, RB0, RB3, RB2, RB1, RB0, RB4, RB3); ROUND (26, 2, RA2, RA1, RA0, RA4, RA3, RA0, RA4, RA1, RA3, RA2, RB2, RB1, RB0, RB4, RB3, RB0, RB4, RB1, RB3, RB2); ROUND (27, 3, RA0, RA4, RA1, RA3, RA2, RA4, RA1, RA3, RA2, RA0, RB0, RB4, RB1, RB3, RB2, RB4, RB1, RB3, RB2, RB0); ROUND (28, 4, RA4, RA1, RA3, RA2, RA0, RA1, RA0, RA4, RA2, RA3, RB4, RB1, RB3, RB2, RB0, RB1, RB0, RB4, RB2, RB3); ROUND (29, 5, RA1, RA0, RA4, RA2, RA3, RA0, RA2, RA1, RA4, RA3, RB1, RB0, RB4, RB2, RB3, RB0, RB2, RB1, RB4, RB3); ROUND (30, 6, RA0, RA2, RA1, RA4, RA3, RA0, RA2, RA3, RA1, RA4, RB0, RB2, RB1, RB4, RB3, RB0, RB2, RB3, RB1, RB4); ROUND_LAST (31, 7, RA0, RA2, RA3, RA1, RA4, RA4, RA1, RA2, RA0, RA3, RB0, RB2, RB3, RB1, RB4, RB4, RB1, RB2, RB0, RB3); transpose_4x4(RA4, RA1, RA2, RA0, RA3, RTMP0, RTMP1); transpose_4x4(RB4, RB1, RB2, RB0, RB3, RTMP0, RTMP1); ret; ELF(.size __serpent_enc_blk16,.-__serpent_enc_blk16;) .align 8 ELF(.type __serpent_dec_blk16,@function;) __serpent_dec_blk16: /* input: * %rdi: ctx, CTX * RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3: sixteen parallel * ciphertext blocks * output: * RA0, RA1, RA2, RA3, RB0, RB1, RB2, RB3: sixteen parallel * plaintext blocks */ vpcmpeqd RNOT, RNOT, RNOT; transpose_4x4(RA0, RA1, RA2, RA3, RA4, RTMP0, RTMP1); transpose_4x4(RB0, RB1, RB2, RB3, RB4, RTMP0, RTMP1); ROUND_FIRST_INVERSE (31, 7, RA0, RA1, RA2, RA3, RA4, RA3, RA0, RA1, RA4, RA2, RB0, RB1, RB2, RB3, RB4, RB3, RB0, RB1, RB4, RB2); ROUND_INVERSE (30, 6, RA3, RA0, RA1, RA4, RA2, RA0, RA1, RA2, RA4, RA3, RB3, RB0, RB1, RB4, RB2, RB0, RB1, RB2, RB4, RB3); ROUND_INVERSE (29, 5, RA0, RA1, RA2, RA4, RA3, RA1, RA3, RA4, RA2, RA0, RB0, RB1, RB2, RB4, RB3, RB1, RB3, RB4, RB2, RB0); ROUND_INVERSE (28, 4, RA1, RA3, RA4, RA2, RA0, RA1, RA2, RA4, RA0, RA3, RB1, RB3, RB4, RB2, RB0, RB1, RB2, RB4, RB0, RB3); ROUND_INVERSE (27, 3, RA1, RA2, RA4, RA0, RA3, RA4, RA2, RA0, RA1, RA3, RB1, RB2, RB4, RB0, RB3, RB4, RB2, RB0, RB1, RB3); ROUND_INVERSE (26, 2, RA4, RA2, RA0, RA1, RA3, RA2, RA3, RA0, RA1, RA4, RB4, RB2, RB0, RB1, RB3, RB2, RB3, RB0, RB1, RB4); ROUND_INVERSE (25, 1, RA2, RA3, RA0, RA1, RA4, RA4, RA2, RA1, RA0, RA3, RB2, RB3, RB0, RB1, RB4, RB4, RB2, RB1, RB0, RB3); ROUND_INVERSE (24, 0, RA4, RA2, RA1, RA0, RA3, RA4, RA3, RA2, RA0, RA1, RB4, RB2, RB1, RB0, RB3, RB4, RB3, RB2, RB0, RB1); ROUND_INVERSE (23, 7, RA4, RA3, RA2, RA0, RA1, RA0, RA4, RA3, RA1, RA2, RB4, RB3, RB2, RB0, RB1, RB0, RB4, RB3, RB1, RB2); ROUND_INVERSE (22, 6, RA0, RA4, RA3, RA1, RA2, RA4, RA3, RA2, RA1, RA0, RB0, RB4, RB3, RB1, RB2, RB4, RB3, RB2, RB1, RB0); ROUND_INVERSE (21, 5, RA4, RA3, RA2, RA1, RA0, RA3, RA0, RA1, RA2, RA4, RB4, RB3, RB2, RB1, RB0, RB3, RB0, RB1, RB2, RB4); ROUND_INVERSE (20, 4, RA3, RA0, RA1, RA2, RA4, RA3, RA2, RA1, RA4, RA0, RB3, RB0, RB1, RB2, RB4, RB3, RB2, RB1, RB4, RB0); ROUND_INVERSE (19, 3, RA3, RA2, RA1, RA4, RA0, RA1, RA2, RA4, RA3, RA0, RB3, RB2, RB1, RB4, RB0, RB1, RB2, RB4, RB3, RB0); ROUND_INVERSE (18, 2, RA1, RA2, RA4, RA3, RA0, RA2, RA0, RA4, RA3, RA1, RB1, RB2, RB4, RB3, RB0, RB2, RB0, RB4, RB3, RB1); ROUND_INVERSE (17, 1, RA2, RA0, RA4, RA3, RA1, RA1, RA2, RA3, RA4, RA0, RB2, RB0, RB4, RB3, RB1, RB1, RB2, RB3, RB4, RB0); ROUND_INVERSE (16, 0, RA1, RA2, RA3, RA4, RA0, RA1, RA0, RA2, RA4, RA3, RB1, RB2, RB3, RB4, RB0, RB1, RB0, RB2, RB4, RB3); ROUND_INVERSE (15, 7, RA1, RA0, RA2, RA4, RA3, RA4, RA1, RA0, RA3, RA2, RB1, RB0, RB2, RB4, RB3, RB4, RB1, RB0, RB3, RB2); ROUND_INVERSE (14, 6, RA4, RA1, RA0, RA3, RA2, RA1, RA0, RA2, RA3, RA4, RB4, RB1, RB0, RB3, RB2, RB1, RB0, RB2, RB3, RB4); ROUND_INVERSE (13, 5, RA1, RA0, RA2, RA3, RA4, RA0, RA4, RA3, RA2, RA1, RB1, RB0, RB2, RB3, RB4, RB0, RB4, RB3, RB2, RB1); ROUND_INVERSE (12, 4, RA0, RA4, RA3, RA2, RA1, RA0, RA2, RA3, RA1, RA4, RB0, RB4, RB3, RB2, RB1, RB0, RB2, RB3, RB1, RB4); ROUND_INVERSE (11, 3, RA0, RA2, RA3, RA1, RA4, RA3, RA2, RA1, RA0, RA4, RB0, RB2, RB3, RB1, RB4, RB3, RB2, RB1, RB0, RB4); ROUND_INVERSE (10, 2, RA3, RA2, RA1, RA0, RA4, RA2, RA4, RA1, RA0, RA3, RB3, RB2, RB1, RB0, RB4, RB2, RB4, RB1, RB0, RB3); ROUND_INVERSE (9, 1, RA2, RA4, RA1, RA0, RA3, RA3, RA2, RA0, RA1, RA4, RB2, RB4, RB1, RB0, RB3, RB3, RB2, RB0, RB1, RB4); ROUND_INVERSE (8, 0, RA3, RA2, RA0, RA1, RA4, RA3, RA4, RA2, RA1, RA0, RB3, RB2, RB0, RB1, RB4, RB3, RB4, RB2, RB1, RB0); ROUND_INVERSE (7, 7, RA3, RA4, RA2, RA1, RA0, RA1, RA3, RA4, RA0, RA2, RB3, RB4, RB2, RB1, RB0, RB1, RB3, RB4, RB0, RB2); ROUND_INVERSE (6, 6, RA1, RA3, RA4, RA0, RA2, RA3, RA4, RA2, RA0, RA1, RB1, RB3, RB4, RB0, RB2, RB3, RB4, RB2, RB0, RB1); ROUND_INVERSE (5, 5, RA3, RA4, RA2, RA0, RA1, RA4, RA1, RA0, RA2, RA3, RB3, RB4, RB2, RB0, RB1, RB4, RB1, RB0, RB2, RB3); ROUND_INVERSE (4, 4, RA4, RA1, RA0, RA2, RA3, RA4, RA2, RA0, RA3, RA1, RB4, RB1, RB0, RB2, RB3, RB4, RB2, RB0, RB3, RB1); ROUND_INVERSE (3, 3, RA4, RA2, RA0, RA3, RA1, RA0, RA2, RA3, RA4, RA1, RB4, RB2, RB0, RB3, RB1, RB0, RB2, RB3, RB4, RB1); ROUND_INVERSE (2, 2, RA0, RA2, RA3, RA4, RA1, RA2, RA1, RA3, RA4, RA0, RB0, RB2, RB3, RB4, RB1, RB2, RB1, RB3, RB4, RB0); ROUND_INVERSE (1, 1, RA2, RA1, RA3, RA4, RA0, RA0, RA2, RA4, RA3, RA1, RB2, RB1, RB3, RB4, RB0, RB0, RB2, RB4, RB3, RB1); ROUND_INVERSE (0, 0, RA0, RA2, RA4, RA3, RA1, RA0, RA1, RA2, RA3, RA4, RB0, RB2, RB4, RB3, RB1, RB0, RB1, RB2, RB3, RB4); transpose_4x4(RA0, RA1, RA2, RA3, RA4, RTMP0, RTMP1); transpose_4x4(RB0, RB1, RB2, RB3, RB4, RTMP0, RTMP1); ret; ELF(.size __serpent_dec_blk16,.-__serpent_dec_blk16;) #define inc_le128(x, minus_one, tmp) \ vpcmpeqq minus_one, x, tmp; \ vpsubq minus_one, x, x; \ vpslldq $8, tmp, tmp; \ vpsubq tmp, x, x; .align 8 .globl _gcry_serpent_avx2_ctr_enc ELF(.type _gcry_serpent_avx2_ctr_enc,@function;) _gcry_serpent_avx2_ctr_enc: /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) * %rcx: iv (big endian, 128bit) */ movq 8(%rcx), %rax; bswapq %rax; vzeroupper; vbroadcasti128 .Lbswap128_mask RIP, RTMP3; vpcmpeqd RNOT, RNOT, RNOT; vpsrldq $8, RNOT, RNOT; /* ab: -1:0 ; cd: -1:0 */ vpaddq RNOT, RNOT, RTMP2; /* ab: -2:0 ; cd: -2:0 */ /* load IV and byteswap */ vmovdqu (%rcx), RTMP4x; vpshufb RTMP3x, RTMP4x, RTMP4x; vmovdqa RTMP4x, RTMP0x; inc_le128(RTMP4x, RNOTx, RTMP1x); vinserti128 $1, RTMP4x, RTMP0, RTMP0; vpshufb RTMP3, RTMP0, RA0; /* +1 ; +0 */ /* check need for handling 64-bit overflow and carry */ cmpq $(0xffffffffffffffff - 16), %rax; ja .Lhandle_ctr_carry; /* construct IVs */ vpsubq RTMP2, RTMP0, RTMP0; /* +3 ; +2 */ vpshufb RTMP3, RTMP0, RA1; vpsubq RTMP2, RTMP0, RTMP0; /* +5 ; +4 */ vpshufb RTMP3, RTMP0, RA2; vpsubq RTMP2, RTMP0, RTMP0; /* +7 ; +6 */ vpshufb RTMP3, RTMP0, RA3; vpsubq RTMP2, RTMP0, RTMP0; /* +9 ; +8 */ vpshufb RTMP3, RTMP0, RB0; vpsubq RTMP2, RTMP0, RTMP0; /* +11 ; +10 */ vpshufb RTMP3, RTMP0, RB1; vpsubq RTMP2, RTMP0, RTMP0; /* +13 ; +12 */ vpshufb RTMP3, RTMP0, RB2; vpsubq RTMP2, RTMP0, RTMP0; /* +15 ; +14 */ vpshufb RTMP3, RTMP0, RB3; vpsubq RTMP2, RTMP0, RTMP0; /* +16 */ vpshufb RTMP3x, RTMP0x, RTMP0x; jmp .Lctr_carry_done; .Lhandle_ctr_carry: /* construct IVs */ inc_le128(RTMP0, RNOT, RTMP1); inc_le128(RTMP0, RNOT, RTMP1); vpshufb RTMP3, RTMP0, RA1; /* +3 ; +2 */ inc_le128(RTMP0, RNOT, RTMP1); inc_le128(RTMP0, RNOT, RTMP1); vpshufb RTMP3, RTMP0, RA2; /* +5 ; +4 */ inc_le128(RTMP0, RNOT, RTMP1); inc_le128(RTMP0, RNOT, RTMP1); vpshufb RTMP3, RTMP0, RA3; /* +7 ; +6 */ inc_le128(RTMP0, RNOT, RTMP1); inc_le128(RTMP0, RNOT, RTMP1); vpshufb RTMP3, RTMP0, RB0; /* +9 ; +8 */ inc_le128(RTMP0, RNOT, RTMP1); inc_le128(RTMP0, RNOT, RTMP1); vpshufb RTMP3, RTMP0, RB1; /* +11 ; +10 */ inc_le128(RTMP0, RNOT, RTMP1); inc_le128(RTMP0, RNOT, RTMP1); vpshufb RTMP3, RTMP0, RB2; /* +13 ; +12 */ inc_le128(RTMP0, RNOT, RTMP1); inc_le128(RTMP0, RNOT, RTMP1); vpshufb RTMP3, RTMP0, RB3; /* +15 ; +14 */ inc_le128(RTMP0, RNOT, RTMP1); vextracti128 $1, RTMP0, RTMP0x; vpshufb RTMP3x, RTMP0x, RTMP0x; /* +16 */ .align 4 .Lctr_carry_done: /* store new IV */ vmovdqu RTMP0x, (%rcx); call __serpent_enc_blk16; vpxor (0 * 32)(%rdx), RA4, RA4; vpxor (1 * 32)(%rdx), RA1, RA1; vpxor (2 * 32)(%rdx), RA2, RA2; vpxor (3 * 32)(%rdx), RA0, RA0; vpxor (4 * 32)(%rdx), RB4, RB4; vpxor (5 * 32)(%rdx), RB1, RB1; vpxor (6 * 32)(%rdx), RB2, RB2; vpxor (7 * 32)(%rdx), RB0, RB0; vmovdqu RA4, (0 * 32)(%rsi); vmovdqu RA1, (1 * 32)(%rsi); vmovdqu RA2, (2 * 32)(%rsi); vmovdqu RA0, (3 * 32)(%rsi); vmovdqu RB4, (4 * 32)(%rsi); vmovdqu RB1, (5 * 32)(%rsi); vmovdqu RB2, (6 * 32)(%rsi); vmovdqu RB0, (7 * 32)(%rsi); vzeroall; ret ELF(.size _gcry_serpent_avx2_ctr_enc,.-_gcry_serpent_avx2_ctr_enc;) .align 8 .globl _gcry_serpent_avx2_cbc_dec ELF(.type _gcry_serpent_avx2_cbc_dec,@function;) _gcry_serpent_avx2_cbc_dec: /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) * %rcx: iv */ vzeroupper; vmovdqu (0 * 32)(%rdx), RA0; vmovdqu (1 * 32)(%rdx), RA1; vmovdqu (2 * 32)(%rdx), RA2; vmovdqu (3 * 32)(%rdx), RA3; vmovdqu (4 * 32)(%rdx), RB0; vmovdqu (5 * 32)(%rdx), RB1; vmovdqu (6 * 32)(%rdx), RB2; vmovdqu (7 * 32)(%rdx), RB3; call __serpent_dec_blk16; vmovdqu (%rcx), RNOTx; vinserti128 $1, (%rdx), RNOT, RNOT; vpxor RNOT, RA0, RA0; vpxor (0 * 32 + 16)(%rdx), RA1, RA1; vpxor (1 * 32 + 16)(%rdx), RA2, RA2; vpxor (2 * 32 + 16)(%rdx), RA3, RA3; vpxor (3 * 32 + 16)(%rdx), RB0, RB0; vpxor (4 * 32 + 16)(%rdx), RB1, RB1; vpxor (5 * 32 + 16)(%rdx), RB2, RB2; vpxor (6 * 32 + 16)(%rdx), RB3, RB3; vmovdqu (7 * 32 + 16)(%rdx), RNOTx; vmovdqu RNOTx, (%rcx); /* store new IV */ vmovdqu RA0, (0 * 32)(%rsi); vmovdqu RA1, (1 * 32)(%rsi); vmovdqu RA2, (2 * 32)(%rsi); vmovdqu RA3, (3 * 32)(%rsi); vmovdqu RB0, (4 * 32)(%rsi); vmovdqu RB1, (5 * 32)(%rsi); vmovdqu RB2, (6 * 32)(%rsi); vmovdqu RB3, (7 * 32)(%rsi); vzeroall; ret ELF(.size _gcry_serpent_avx2_cbc_dec,.-_gcry_serpent_avx2_cbc_dec;) .align 8 .globl _gcry_serpent_avx2_cfb_dec ELF(.type _gcry_serpent_avx2_cfb_dec,@function;) _gcry_serpent_avx2_cfb_dec: /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) * %rcx: iv */ vzeroupper; /* Load input */ vmovdqu (%rcx), RNOTx; vinserti128 $1, (%rdx), RNOT, RA0; vmovdqu (0 * 32 + 16)(%rdx), RA1; vmovdqu (1 * 32 + 16)(%rdx), RA2; vmovdqu (2 * 32 + 16)(%rdx), RA3; vmovdqu (3 * 32 + 16)(%rdx), RB0; vmovdqu (4 * 32 + 16)(%rdx), RB1; vmovdqu (5 * 32 + 16)(%rdx), RB2; vmovdqu (6 * 32 + 16)(%rdx), RB3; /* Update IV */ vmovdqu (7 * 32 + 16)(%rdx), RNOTx; vmovdqu RNOTx, (%rcx); call __serpent_enc_blk16; vpxor (0 * 32)(%rdx), RA4, RA4; vpxor (1 * 32)(%rdx), RA1, RA1; vpxor (2 * 32)(%rdx), RA2, RA2; vpxor (3 * 32)(%rdx), RA0, RA0; vpxor (4 * 32)(%rdx), RB4, RB4; vpxor (5 * 32)(%rdx), RB1, RB1; vpxor (6 * 32)(%rdx), RB2, RB2; vpxor (7 * 32)(%rdx), RB0, RB0; vmovdqu RA4, (0 * 32)(%rsi); vmovdqu RA1, (1 * 32)(%rsi); vmovdqu RA2, (2 * 32)(%rsi); vmovdqu RA0, (3 * 32)(%rsi); vmovdqu RB4, (4 * 32)(%rsi); vmovdqu RB1, (5 * 32)(%rsi); vmovdqu RB2, (6 * 32)(%rsi); vmovdqu RB0, (7 * 32)(%rsi); vzeroall; ret ELF(.size _gcry_serpent_avx2_cfb_dec,.-_gcry_serpent_avx2_cfb_dec;) .align 8 .globl _gcry_serpent_avx2_ocb_enc ELF(.type _gcry_serpent_avx2_ocb_enc,@function;) _gcry_serpent_avx2_ocb_enc: /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) * %rcx: offset * %r8 : checksum * %r9 : L pointers (void *L[16]) */ vzeroupper; subq $(4 * 8), %rsp; movq %r10, (0 * 8)(%rsp); movq %r11, (1 * 8)(%rsp); movq %r12, (2 * 8)(%rsp); movq %r13, (3 * 8)(%rsp); vmovdqu (%rcx), RTMP0x; vmovdqu (%r8), RTMP1x; /* Offset_i = Offset_{i-1} xor L_{ntz(i)} */ /* Checksum_i = Checksum_{i-1} xor P_i */ /* C_i = Offset_i xor ENCIPHER(K, P_i xor Offset_i) */ #define OCB_INPUT(n, l0reg, l1reg, yreg) \ vmovdqu (n * 32)(%rdx), yreg; \ vpxor (l0reg), RTMP0x, RNOTx; \ vpxor (l1reg), RNOTx, RTMP0x; \ vinserti128 $1, RTMP0x, RNOT, RNOT; \ vpxor yreg, RTMP1, RTMP1; \ vpxor yreg, RNOT, yreg; \ vmovdqu RNOT, (n * 32)(%rsi); movq (0 * 8)(%r9), %r10; movq (1 * 8)(%r9), %r11; movq (2 * 8)(%r9), %r12; movq (3 * 8)(%r9), %r13; OCB_INPUT(0, %r10, %r11, RA0); OCB_INPUT(1, %r12, %r13, RA1); movq (4 * 8)(%r9), %r10; movq (5 * 8)(%r9), %r11; movq (6 * 8)(%r9), %r12; movq (7 * 8)(%r9), %r13; OCB_INPUT(2, %r10, %r11, RA2); OCB_INPUT(3, %r12, %r13, RA3); movq (8 * 8)(%r9), %r10; movq (9 * 8)(%r9), %r11; movq (10 * 8)(%r9), %r12; movq (11 * 8)(%r9), %r13; OCB_INPUT(4, %r10, %r11, RB0); OCB_INPUT(5, %r12, %r13, RB1); movq (12 * 8)(%r9), %r10; movq (13 * 8)(%r9), %r11; movq (14 * 8)(%r9), %r12; movq (15 * 8)(%r9), %r13; OCB_INPUT(6, %r10, %r11, RB2); OCB_INPUT(7, %r12, %r13, RB3); #undef OCB_INPUT vextracti128 $1, RTMP1, RNOTx; vmovdqu RTMP0x, (%rcx); vpxor RNOTx, RTMP1x, RTMP1x; vmovdqu RTMP1x, (%r8); movq (0 * 8)(%rsp), %r10; movq (1 * 8)(%rsp), %r11; movq (2 * 8)(%rsp), %r12; movq (3 * 8)(%rsp), %r13; call __serpent_enc_blk16; addq $(4 * 8), %rsp; vpxor (0 * 32)(%rsi), RA4, RA4; vpxor (1 * 32)(%rsi), RA1, RA1; vpxor (2 * 32)(%rsi), RA2, RA2; vpxor (3 * 32)(%rsi), RA0, RA0; vpxor (4 * 32)(%rsi), RB4, RB4; vpxor (5 * 32)(%rsi), RB1, RB1; vpxor (6 * 32)(%rsi), RB2, RB2; vpxor (7 * 32)(%rsi), RB0, RB0; vmovdqu RA4, (0 * 32)(%rsi); vmovdqu RA1, (1 * 32)(%rsi); vmovdqu RA2, (2 * 32)(%rsi); vmovdqu RA0, (3 * 32)(%rsi); vmovdqu RB4, (4 * 32)(%rsi); vmovdqu RB1, (5 * 32)(%rsi); vmovdqu RB2, (6 * 32)(%rsi); vmovdqu RB0, (7 * 32)(%rsi); vzeroall; ret; ELF(.size _gcry_serpent_avx2_ocb_enc,.-_gcry_serpent_avx2_ocb_enc;) .align 8 .globl _gcry_serpent_avx2_ocb_dec ELF(.type _gcry_serpent_avx2_ocb_dec,@function;) _gcry_serpent_avx2_ocb_dec: /* input: * %rdi: ctx, CTX * %rsi: dst (16 blocks) * %rdx: src (16 blocks) * %rcx: offset * %r8 : checksum * %r9 : L pointers (void *L[16]) */ vzeroupper; subq $(4 * 8), %rsp; movq %r10, (0 * 8)(%rsp); movq %r11, (1 * 8)(%rsp); movq %r12, (2 * 8)(%rsp); movq %r13, (3 * 8)(%rsp); vmovdqu (%rcx), RTMP0x; /* Offset_i = Offset_{i-1} xor L_{ntz(i)} */ /* C_i = Offset_i xor ENCIPHER(K, P_i xor Offset_i) */ #define OCB_INPUT(n, l0reg, l1reg, yreg) \ vmovdqu (n * 32)(%rdx), yreg; \ vpxor (l0reg), RTMP0x, RNOTx; \ vpxor (l1reg), RNOTx, RTMP0x; \ vinserti128 $1, RTMP0x, RNOT, RNOT; \ vpxor yreg, RNOT, yreg; \ vmovdqu RNOT, (n * 32)(%rsi); movq (0 * 8)(%r9), %r10; movq (1 * 8)(%r9), %r11; movq (2 * 8)(%r9), %r12; movq (3 * 8)(%r9), %r13; OCB_INPUT(0, %r10, %r11, RA0); OCB_INPUT(1, %r12, %r13, RA1); movq (4 * 8)(%r9), %r10; movq (5 * 8)(%r9), %r11; movq (6 * 8)(%r9), %r12; movq (7 * 8)(%r9), %r13; OCB_INPUT(2, %r10, %r11, RA2); OCB_INPUT(3, %r12, %r13, RA3); movq (8 * 8)(%r9), %r10; movq (9 * 8)(%r9), %r11; movq (10 * 8)(%r9), %r12; movq (11 * 8)(%r9), %r13; OCB_INPUT(4, %r10, %r11, RB0); OCB_INPUT(5, %r12, %r13, RB1); movq (12 * 8)(%r9), %r10; movq (13 * 8)(%r9), %r11; movq (14 * 8)(%r9), %r12; movq (15 * 8)(%r9), %r13; OCB_INPUT(6, %r10, %r11, RB2); OCB_INPUT(7, %r12, %r13, RB3); #undef OCB_INPUT vmovdqu RTMP0x, (%rcx); movq (0 * 8)(%rsp), %r10; movq (1 * 8)(%rsp), %r11; movq (2 * 8)(%rsp), %r12; movq (3 * 8)(%rsp), %r13; call __serpent_dec_blk16; addq $(4 * 8), %rsp; vmovdqu (%r8), RTMP1x; vpxor (0 * 32)(%rsi), RA0, RA0; vpxor (1 * 32)(%rsi), RA1, RA1; vpxor (2 * 32)(%rsi), RA2, RA2; vpxor (3 * 32)(%rsi), RA3, RA3; vpxor (4 * 32)(%rsi), RB0, RB0; vpxor (5 * 32)(%rsi), RB1, RB1; vpxor (6 * 32)(%rsi), RB2, RB2; vpxor (7 * 32)(%rsi), RB3, RB3; /* Checksum_i = Checksum_{i-1} xor P_i */ vmovdqu RA0, (0 * 32)(%rsi); vpxor RA0, RTMP1, RTMP1; vmovdqu RA1, (1 * 32)(%rsi); vpxor RA1, RTMP1, RTMP1; vmovdqu RA2, (2 * 32)(%rsi); vpxor RA2, RTMP1, RTMP1; vmovdqu RA3, (3 * 32)(%rsi); vpxor RA3, RTMP1, RTMP1; vmovdqu RB0, (4 * 32)(%rsi); vpxor RB0, RTMP1, RTMP1; vmovdqu RB1, (5 * 32)(%rsi); vpxor RB1, RTMP1, RTMP1; vmovdqu RB2, (6 * 32)(%rsi); vpxor RB2, RTMP1, RTMP1; vmovdqu RB3, (7 * 32)(%rsi); vpxor RB3, RTMP1, RTMP1; vextracti128 $1, RTMP1, RNOTx; vpxor RNOTx, RTMP1x, RTMP1x; vmovdqu RTMP1x, (%r8); vzeroall; ret; ELF(.size _gcry_serpent_avx2_ocb_dec,.-_gcry_serpent_avx2_ocb_dec;) .align 8 .globl _gcry_serpent_avx2_ocb_auth ELF(.type _gcry_serpent_avx2_ocb_auth,@function;) _gcry_serpent_avx2_ocb_auth: /* input: * %rdi: ctx, CTX * %rsi: abuf (16 blocks) * %rdx: offset * %rcx: checksum * %r8 : L pointers (void *L[16]) */ vzeroupper; subq $(4 * 8), %rsp; movq %r10, (0 * 8)(%rsp); movq %r11, (1 * 8)(%rsp); movq %r12, (2 * 8)(%rsp); movq %r13, (3 * 8)(%rsp); vmovdqu (%rdx), RTMP0x; /* Offset_i = Offset_{i-1} xor L_{ntz(i)} */ /* Sum_i = Sum_{i-1} xor ENCIPHER(K, A_i xor Offset_i) */ #define OCB_INPUT(n, l0reg, l1reg, yreg) \ vmovdqu (n * 32)(%rsi), yreg; \ vpxor (l0reg), RTMP0x, RNOTx; \ vpxor (l1reg), RNOTx, RTMP0x; \ vinserti128 $1, RTMP0x, RNOT, RNOT; \ vpxor yreg, RNOT, yreg; movq (0 * 8)(%r8), %r10; movq (1 * 8)(%r8), %r11; movq (2 * 8)(%r8), %r12; movq (3 * 8)(%r8), %r13; OCB_INPUT(0, %r10, %r11, RA0); OCB_INPUT(1, %r12, %r13, RA1); movq (4 * 8)(%r8), %r10; movq (5 * 8)(%r8), %r11; movq (6 * 8)(%r8), %r12; movq (7 * 8)(%r8), %r13; OCB_INPUT(2, %r10, %r11, RA2); OCB_INPUT(3, %r12, %r13, RA3); movq (8 * 8)(%r8), %r10; movq (9 * 8)(%r8), %r11; movq (10 * 8)(%r8), %r12; movq (11 * 8)(%r8), %r13; OCB_INPUT(4, %r10, %r11, RB0); OCB_INPUT(5, %r12, %r13, RB1); movq (12 * 8)(%r8), %r10; movq (13 * 8)(%r8), %r11; movq (14 * 8)(%r8), %r12; movq (15 * 8)(%r8), %r13; OCB_INPUT(6, %r10, %r11, RB2); OCB_INPUT(7, %r12, %r13, RB3); #undef OCB_INPUT vmovdqu RTMP0x, (%rdx); movq (0 * 8)(%rsp), %r10; movq (1 * 8)(%rsp), %r11; movq (2 * 8)(%rsp), %r12; movq (3 * 8)(%rsp), %r13; call __serpent_enc_blk16; addq $(4 * 8), %rsp; vpxor RA4, RB4, RA4; vpxor RA1, RB1, RA1; vpxor RA2, RB2, RA2; vpxor RA0, RB0, RA0; vpxor RA4, RA1, RA1; vpxor RA2, RA0, RA0; vpxor RA1, RA0, RTMP1; vextracti128 $1, RTMP1, RNOTx; vpxor (%rcx), RTMP1x, RTMP1x; vpxor RNOTx, RTMP1x, RTMP1x; vmovdqu RTMP1x, (%rcx); vzeroall; ret; ELF(.size _gcry_serpent_avx2_ocb_auth,.-_gcry_serpent_avx2_ocb_auth;) .align 16 /* For CTR-mode IV byteswap */ .Lbswap128_mask: .byte 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 #endif /*defined(USE_SERPENT) && defined(ENABLE_AVX2_SUPPORT)*/ #endif /*__x86_64*/