3312af6e07
We currently use an old version of libgcrypt which results in us having fewer ciphers and missing on many other improvements. Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
1215 lines
38 KiB
ArmAsm
1215 lines
38 KiB
ArmAsm
/* serpent-avx2-amd64.S - AVX2 implementation of Serpent cipher
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*
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* Copyright (C) 2013-2015 Jussi Kivilinna <jussi.kivilinna@iki.fi>
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*
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* This file is part of Libgcrypt.
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*
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* Libgcrypt is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* Libgcrypt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#ifdef __x86_64
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#if (defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \
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defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS)) && defined(USE_SERPENT) && \
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defined(ENABLE_AVX2_SUPPORT)
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#include "asm-common-amd64.h"
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/* struct serpent_context: */
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#define ctx_keys 0
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/* register macros */
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#define CTX %rdi
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/* vector registers */
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#define RA0 %ymm0
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#define RA1 %ymm1
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#define RA2 %ymm2
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#define RA3 %ymm3
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#define RA4 %ymm4
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#define RB0 %ymm5
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#define RB1 %ymm6
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#define RB2 %ymm7
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#define RB3 %ymm8
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#define RB4 %ymm9
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#define RNOT %ymm10
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#define RTMP0 %ymm11
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#define RTMP1 %ymm12
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#define RTMP2 %ymm13
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#define RTMP3 %ymm14
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#define RTMP4 %ymm15
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#define RNOTx %xmm10
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#define RTMP0x %xmm11
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#define RTMP1x %xmm12
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#define RTMP2x %xmm13
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#define RTMP3x %xmm14
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#define RTMP4x %xmm15
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/**********************************************************************
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helper macros
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**********************************************************************/
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/* vector 32-bit rotation to left */
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#define vec_rol(reg, nleft, tmp) \
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vpslld $(nleft), reg, tmp; \
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vpsrld $(32 - (nleft)), reg, reg; \
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vpor tmp, reg, reg;
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/* vector 32-bit rotation to right */
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#define vec_ror(reg, nright, tmp) \
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vec_rol(reg, 32 - nright, tmp)
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/* 4x4 32-bit integer matrix transpose */
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#define transpose_4x4(x0, x1, x2, x3, t1, t2, t3) \
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vpunpckhdq x1, x0, t2; \
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vpunpckldq x1, x0, x0; \
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\
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vpunpckldq x3, x2, t1; \
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vpunpckhdq x3, x2, x2; \
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\
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vpunpckhqdq t1, x0, x1; \
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vpunpcklqdq t1, x0, x0; \
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\
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vpunpckhqdq x2, t2, x3; \
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vpunpcklqdq x2, t2, x2;
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/**********************************************************************
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16-way serpent
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**********************************************************************/
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/*
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* These are the S-Boxes of Serpent from following research paper.
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*
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* D. A. Osvik, “Speeding up Serpent,” in Third AES Candidate Conference,
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* (New York, New York, USA), p. 317–329, National Institute of Standards and
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* Technology, 2000.
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*
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* Paper is also available at: http://www.ii.uib.no/~osvik/pub/aes3.pdf
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*
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*/
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#define SBOX0(r0, r1, r2, r3, r4) \
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vpxor r0, r3, r3; vmovdqa r1, r4; \
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vpand r3, r1, r1; vpxor r2, r4, r4; \
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vpxor r0, r1, r1; vpor r3, r0, r0; \
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vpxor r4, r0, r0; vpxor r3, r4, r4; \
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vpxor r2, r3, r3; vpor r1, r2, r2; \
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vpxor r4, r2, r2; vpxor RNOT, r4, r4; \
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vpor r1, r4, r4; vpxor r3, r1, r1; \
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vpxor r4, r1, r1; vpor r0, r3, r3; \
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vpxor r3, r1, r1; vpxor r3, r4, r4;
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#define SBOX0_INVERSE(r0, r1, r2, r3, r4) \
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vpxor RNOT, r2, r2; vmovdqa r1, r4; \
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vpor r0, r1, r1; vpxor RNOT, r4, r4; \
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vpxor r2, r1, r1; vpor r4, r2, r2; \
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vpxor r3, r1, r1; vpxor r4, r0, r0; \
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vpxor r0, r2, r2; vpand r3, r0, r0; \
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vpxor r0, r4, r4; vpor r1, r0, r0; \
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vpxor r2, r0, r0; vpxor r4, r3, r3; \
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vpxor r1, r2, r2; vpxor r0, r3, r3; \
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vpxor r1, r3, r3; \
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vpand r3, r2, r2; \
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vpxor r2, r4, r4;
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#define SBOX1(r0, r1, r2, r3, r4) \
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vpxor RNOT, r0, r0; vpxor RNOT, r2, r2; \
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vmovdqa r0, r4; vpand r1, r0, r0; \
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vpxor r0, r2, r2; vpor r3, r0, r0; \
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vpxor r2, r3, r3; vpxor r0, r1, r1; \
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vpxor r4, r0, r0; vpor r1, r4, r4; \
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vpxor r3, r1, r1; vpor r0, r2, r2; \
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vpand r4, r2, r2; vpxor r1, r0, r0; \
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vpand r2, r1, r1; \
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vpxor r0, r1, r1; vpand r2, r0, r0; \
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vpxor r4, r0, r0;
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#define SBOX1_INVERSE(r0, r1, r2, r3, r4) \
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vmovdqa r1, r4; vpxor r3, r1, r1; \
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vpand r1, r3, r3; vpxor r2, r4, r4; \
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vpxor r0, r3, r3; vpor r1, r0, r0; \
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vpxor r3, r2, r2; vpxor r4, r0, r0; \
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vpor r2, r0, r0; vpxor r3, r1, r1; \
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vpxor r1, r0, r0; vpor r3, r1, r1; \
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vpxor r0, r1, r1; vpxor RNOT, r4, r4; \
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vpxor r1, r4, r4; vpor r0, r1, r1; \
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vpxor r0, r1, r1; \
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vpor r4, r1, r1; \
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vpxor r1, r3, r3;
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#define SBOX2(r0, r1, r2, r3, r4) \
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vmovdqa r0, r4; vpand r2, r0, r0; \
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vpxor r3, r0, r0; vpxor r1, r2, r2; \
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vpxor r0, r2, r2; vpor r4, r3, r3; \
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vpxor r1, r3, r3; vpxor r2, r4, r4; \
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vmovdqa r3, r1; vpor r4, r3, r3; \
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vpxor r0, r3, r3; vpand r1, r0, r0; \
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vpxor r0, r4, r4; vpxor r3, r1, r1; \
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vpxor r4, r1, r1; vpxor RNOT, r4, r4;
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#define SBOX2_INVERSE(r0, r1, r2, r3, r4) \
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vpxor r3, r2, r2; vpxor r0, r3, r3; \
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vmovdqa r3, r4; vpand r2, r3, r3; \
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vpxor r1, r3, r3; vpor r2, r1, r1; \
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vpxor r4, r1, r1; vpand r3, r4, r4; \
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vpxor r3, r2, r2; vpand r0, r4, r4; \
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vpxor r2, r4, r4; vpand r1, r2, r2; \
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vpor r0, r2, r2; vpxor RNOT, r3, r3; \
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vpxor r3, r2, r2; vpxor r3, r0, r0; \
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vpand r1, r0, r0; vpxor r4, r3, r3; \
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vpxor r0, r3, r3;
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#define SBOX3(r0, r1, r2, r3, r4) \
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vmovdqa r0, r4; vpor r3, r0, r0; \
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vpxor r1, r3, r3; vpand r4, r1, r1; \
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vpxor r2, r4, r4; vpxor r3, r2, r2; \
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vpand r0, r3, r3; vpor r1, r4, r4; \
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vpxor r4, r3, r3; vpxor r1, r0, r0; \
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vpand r0, r4, r4; vpxor r3, r1, r1; \
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vpxor r2, r4, r4; vpor r0, r1, r1; \
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vpxor r2, r1, r1; vpxor r3, r0, r0; \
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vmovdqa r1, r2; vpor r3, r1, r1; \
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vpxor r0, r1, r1;
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#define SBOX3_INVERSE(r0, r1, r2, r3, r4) \
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vmovdqa r2, r4; vpxor r1, r2, r2; \
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vpxor r2, r0, r0; vpand r2, r4, r4; \
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vpxor r0, r4, r4; vpand r1, r0, r0; \
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vpxor r3, r1, r1; vpor r4, r3, r3; \
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vpxor r3, r2, r2; vpxor r3, r0, r0; \
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vpxor r4, r1, r1; vpand r2, r3, r3; \
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vpxor r1, r3, r3; vpxor r0, r1, r1; \
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vpor r2, r1, r1; vpxor r3, r0, r0; \
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vpxor r4, r1, r1; \
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vpxor r1, r0, r0;
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#define SBOX4(r0, r1, r2, r3, r4) \
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vpxor r3, r1, r1; vpxor RNOT, r3, r3; \
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vpxor r3, r2, r2; vpxor r0, r3, r3; \
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vmovdqa r1, r4; vpand r3, r1, r1; \
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vpxor r2, r1, r1; vpxor r3, r4, r4; \
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vpxor r4, r0, r0; vpand r4, r2, r2; \
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vpxor r0, r2, r2; vpand r1, r0, r0; \
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vpxor r0, r3, r3; vpor r1, r4, r4; \
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vpxor r0, r4, r4; vpor r3, r0, r0; \
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vpxor r2, r0, r0; vpand r3, r2, r2; \
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vpxor RNOT, r0, r0; vpxor r2, r4, r4;
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#define SBOX4_INVERSE(r0, r1, r2, r3, r4) \
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vmovdqa r2, r4; vpand r3, r2, r2; \
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vpxor r1, r2, r2; vpor r3, r1, r1; \
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vpand r0, r1, r1; vpxor r2, r4, r4; \
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vpxor r1, r4, r4; vpand r2, r1, r1; \
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vpxor RNOT, r0, r0; vpxor r4, r3, r3; \
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vpxor r3, r1, r1; vpand r0, r3, r3; \
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vpxor r2, r3, r3; vpxor r1, r0, r0; \
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vpand r0, r2, r2; vpxor r0, r3, r3; \
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vpxor r4, r2, r2; \
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vpor r3, r2, r2; vpxor r0, r3, r3; \
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vpxor r1, r2, r2;
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#define SBOX5(r0, r1, r2, r3, r4) \
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vpxor r1, r0, r0; vpxor r3, r1, r1; \
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vpxor RNOT, r3, r3; vmovdqa r1, r4; \
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vpand r0, r1, r1; vpxor r3, r2, r2; \
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vpxor r2, r1, r1; vpor r4, r2, r2; \
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vpxor r3, r4, r4; vpand r1, r3, r3; \
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vpxor r0, r3, r3; vpxor r1, r4, r4; \
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vpxor r2, r4, r4; vpxor r0, r2, r2; \
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vpand r3, r0, r0; vpxor RNOT, r2, r2; \
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vpxor r4, r0, r0; vpor r3, r4, r4; \
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vpxor r4, r2, r2;
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#define SBOX5_INVERSE(r0, r1, r2, r3, r4) \
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vpxor RNOT, r1, r1; vmovdqa r3, r4; \
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vpxor r1, r2, r2; vpor r0, r3, r3; \
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vpxor r2, r3, r3; vpor r1, r2, r2; \
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vpand r0, r2, r2; vpxor r3, r4, r4; \
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vpxor r4, r2, r2; vpor r0, r4, r4; \
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vpxor r1, r4, r4; vpand r2, r1, r1; \
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vpxor r3, r1, r1; vpxor r2, r4, r4; \
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vpand r4, r3, r3; vpxor r1, r4, r4; \
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vpxor r4, r3, r3; vpxor RNOT, r4, r4; \
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vpxor r0, r3, r3;
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#define SBOX6(r0, r1, r2, r3, r4) \
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vpxor RNOT, r2, r2; vmovdqa r3, r4; \
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vpand r0, r3, r3; vpxor r4, r0, r0; \
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vpxor r2, r3, r3; vpor r4, r2, r2; \
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vpxor r3, r1, r1; vpxor r0, r2, r2; \
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vpor r1, r0, r0; vpxor r1, r2, r2; \
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vpxor r0, r4, r4; vpor r3, r0, r0; \
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vpxor r2, r0, r0; vpxor r3, r4, r4; \
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vpxor r0, r4, r4; vpxor RNOT, r3, r3; \
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vpand r4, r2, r2; \
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vpxor r3, r2, r2;
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#define SBOX6_INVERSE(r0, r1, r2, r3, r4) \
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vpxor r2, r0, r0; vmovdqa r2, r4; \
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vpand r0, r2, r2; vpxor r3, r4, r4; \
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vpxor RNOT, r2, r2; vpxor r1, r3, r3; \
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vpxor r3, r2, r2; vpor r0, r4, r4; \
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vpxor r2, r0, r0; vpxor r4, r3, r3; \
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vpxor r1, r4, r4; vpand r3, r1, r1; \
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vpxor r0, r1, r1; vpxor r3, r0, r0; \
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vpor r2, r0, r0; vpxor r1, r3, r3; \
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vpxor r0, r4, r4;
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#define SBOX7(r0, r1, r2, r3, r4) \
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vmovdqa r1, r4; vpor r2, r1, r1; \
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vpxor r3, r1, r1; vpxor r2, r4, r4; \
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vpxor r1, r2, r2; vpor r4, r3, r3; \
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vpand r0, r3, r3; vpxor r2, r4, r4; \
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vpxor r1, r3, r3; vpor r4, r1, r1; \
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vpxor r0, r1, r1; vpor r4, r0, r0; \
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vpxor r2, r0, r0; vpxor r4, r1, r1; \
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vpxor r1, r2, r2; vpand r0, r1, r1; \
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vpxor r4, r1, r1; vpxor RNOT, r2, r2; \
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vpor r0, r2, r2; \
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vpxor r2, r4, r4;
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#define SBOX7_INVERSE(r0, r1, r2, r3, r4) \
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vmovdqa r2, r4; vpxor r0, r2, r2; \
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vpand r3, r0, r0; vpor r3, r4, r4; \
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vpxor RNOT, r2, r2; vpxor r1, r3, r3; \
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vpor r0, r1, r1; vpxor r2, r0, r0; \
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vpand r4, r2, r2; vpand r4, r3, r3; \
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vpxor r2, r1, r1; vpxor r0, r2, r2; \
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vpor r2, r0, r0; vpxor r1, r4, r4; \
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vpxor r3, r0, r0; vpxor r4, r3, r3; \
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vpor r0, r4, r4; vpxor r2, r3, r3; \
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vpxor r2, r4, r4;
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/* Apply SBOX number WHICH to to the block. */
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#define SBOX(which, r0, r1, r2, r3, r4) \
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SBOX##which (r0, r1, r2, r3, r4)
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/* Apply inverse SBOX number WHICH to to the block. */
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#define SBOX_INVERSE(which, r0, r1, r2, r3, r4) \
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SBOX##which##_INVERSE (r0, r1, r2, r3, r4)
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/* XOR round key into block state in r0,r1,r2,r3. r4 used as temporary. */
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#define BLOCK_XOR_KEY(r0, r1, r2, r3, r4, round) \
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vpbroadcastd (ctx_keys + (round) * 16 + 0 * 4)(CTX), r4; \
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vpxor r4, r0, r0; \
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vpbroadcastd (ctx_keys + (round) * 16 + 1 * 4)(CTX), r4; \
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vpxor r4, r1, r1; \
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vpbroadcastd (ctx_keys + (round) * 16 + 2 * 4)(CTX), r4; \
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vpxor r4, r2, r2; \
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vpbroadcastd (ctx_keys + (round) * 16 + 3 * 4)(CTX), r4; \
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vpxor r4, r3, r3;
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/* Apply the linear transformation to BLOCK. */
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#define LINEAR_TRANSFORMATION(r0, r1, r2, r3, r4) \
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vec_rol(r0, 13, r4); \
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vec_rol(r2, 3, r4); \
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vpxor r0, r1, r1; \
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vpxor r2, r1, r1; \
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vpslld $3, r0, r4; \
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vpxor r2, r3, r3; \
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vpxor r4, r3, r3; \
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vec_rol(r1, 1, r4); \
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vec_rol(r3, 7, r4); \
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vpxor r1, r0, r0; \
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vpxor r3, r0, r0; \
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vpslld $7, r1, r4; \
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vpxor r3, r2, r2; \
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vpxor r4, r2, r2; \
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vec_rol(r0, 5, r4); \
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vec_rol(r2, 22, r4);
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||
/* 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 16
|
||
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
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size __serpent_enc_blk16,.-__serpent_enc_blk16;)
|
||
|
||
.align 16
|
||
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
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size __serpent_dec_blk16,.-__serpent_dec_blk16;)
|
||
|
||
.align 16
|
||
.globl _gcry_serpent_avx2_blk16
|
||
ELF(.type _gcry_serpent_avx2_blk16,@function;)
|
||
_gcry_serpent_avx2_blk16:
|
||
/* input:
|
||
* %rdi: ctx, CTX
|
||
* %rsi: dst (16 blocks)
|
||
* %rdx: src (16 blocks)
|
||
* %ecx: encrypt
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
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;
|
||
|
||
testl %ecx, %ecx;
|
||
jz .Lblk16_dec;
|
||
call __serpent_enc_blk16;
|
||
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);
|
||
jmp .Lblk16_end;
|
||
.Lblk16_dec:
|
||
call __serpent_dec_blk16;
|
||
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);
|
||
|
||
.Lblk16_end:
|
||
vzeroall;
|
||
ret_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size _gcry_serpent_avx2_blk16,.-_gcry_serpent_avx2_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 16
|
||
.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)
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
movq 8(%rcx), %rax;
|
||
bswapq %rax;
|
||
|
||
vzeroupper;
|
||
|
||
vbroadcasti128 .Lbswap128_mask rRIP, 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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size _gcry_serpent_avx2_ctr_enc,.-_gcry_serpent_avx2_ctr_enc;)
|
||
|
||
.align 16
|
||
.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
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size _gcry_serpent_avx2_cbc_dec,.-_gcry_serpent_avx2_cbc_dec;)
|
||
|
||
.align 16
|
||
.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
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size _gcry_serpent_avx2_cfb_dec,.-_gcry_serpent_avx2_cfb_dec;)
|
||
|
||
.align 16
|
||
.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])
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
vzeroupper;
|
||
|
||
subq $(4 * 8), %rsp;
|
||
CFI_ADJUST_CFA_OFFSET(4 * 8);
|
||
|
||
movq %r10, (0 * 8)(%rsp);
|
||
movq %r11, (1 * 8)(%rsp);
|
||
movq %r12, (2 * 8)(%rsp);
|
||
movq %r13, (3 * 8)(%rsp);
|
||
CFI_REL_OFFSET(%r10, 0 * 8);
|
||
CFI_REL_OFFSET(%r11, 1 * 8);
|
||
CFI_REL_OFFSET(%r12, 2 * 8);
|
||
CFI_REL_OFFSET(%r13, 3 * 8);
|
||
|
||
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;
|
||
CFI_RESTORE(%r10);
|
||
CFI_RESTORE(%r11);
|
||
CFI_RESTORE(%r12);
|
||
CFI_RESTORE(%r13);
|
||
|
||
call __serpent_enc_blk16;
|
||
|
||
addq $(4 * 8), %rsp;
|
||
CFI_ADJUST_CFA_OFFSET(-4 * 8);
|
||
|
||
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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size _gcry_serpent_avx2_ocb_enc,.-_gcry_serpent_avx2_ocb_enc;)
|
||
|
||
.align 16
|
||
.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])
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
vzeroupper;
|
||
|
||
subq $(4 * 8), %rsp;
|
||
CFI_ADJUST_CFA_OFFSET(4 * 8);
|
||
|
||
movq %r10, (0 * 8)(%rsp);
|
||
movq %r11, (1 * 8)(%rsp);
|
||
movq %r12, (2 * 8)(%rsp);
|
||
movq %r13, (3 * 8)(%rsp);
|
||
CFI_REL_OFFSET(%r10, 0 * 8);
|
||
CFI_REL_OFFSET(%r11, 1 * 8);
|
||
CFI_REL_OFFSET(%r12, 2 * 8);
|
||
CFI_REL_OFFSET(%r13, 3 * 8);
|
||
|
||
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;
|
||
CFI_RESTORE(%r10);
|
||
CFI_RESTORE(%r11);
|
||
CFI_RESTORE(%r12);
|
||
CFI_RESTORE(%r13);
|
||
|
||
call __serpent_dec_blk16;
|
||
|
||
addq $(4 * 8), %rsp;
|
||
CFI_ADJUST_CFA_OFFSET(-4 * 8);
|
||
|
||
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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size _gcry_serpent_avx2_ocb_dec,.-_gcry_serpent_avx2_ocb_dec;)
|
||
|
||
.align 16
|
||
.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])
|
||
*/
|
||
CFI_STARTPROC();
|
||
|
||
vzeroupper;
|
||
|
||
subq $(4 * 8), %rsp;
|
||
CFI_ADJUST_CFA_OFFSET(4 * 8);
|
||
|
||
movq %r10, (0 * 8)(%rsp);
|
||
movq %r11, (1 * 8)(%rsp);
|
||
movq %r12, (2 * 8)(%rsp);
|
||
movq %r13, (3 * 8)(%rsp);
|
||
CFI_REL_OFFSET(%r10, 0 * 8);
|
||
CFI_REL_OFFSET(%r11, 1 * 8);
|
||
CFI_REL_OFFSET(%r12, 2 * 8);
|
||
CFI_REL_OFFSET(%r13, 3 * 8);
|
||
|
||
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;
|
||
CFI_RESTORE(%r10);
|
||
CFI_RESTORE(%r11);
|
||
CFI_RESTORE(%r12);
|
||
CFI_RESTORE(%r13);
|
||
|
||
call __serpent_enc_blk16;
|
||
|
||
addq $(4 * 8), %rsp;
|
||
CFI_ADJUST_CFA_OFFSET(-4 * 8);
|
||
|
||
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_spec_stop;
|
||
CFI_ENDPROC();
|
||
ELF(.size _gcry_serpent_avx2_ocb_auth,.-_gcry_serpent_avx2_ocb_auth;)
|
||
|
||
|
||
SECTION_RODATA
|
||
ELF(.type _serpent_avx2_consts,@object)
|
||
_serpent_avx2_consts:
|
||
|
||
/* For CTR-mode IV byteswap */
|
||
.align 16
|
||
.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*/
|