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crypto_bench comparison for AES-128-ECB: lavu_aesni AES-128-ECB size: 1048576 runs: 1024 time: 0.596 +- 0.081 lavu_c AES-128-ECB size: 1048576 runs: 1024 time: 17.007 +- 2.131 crypto AES-128-ECB size: 1048576 runs: 1024 time: 0.612 +- 1.857 gcrypt AES-128-ECB size: 1048576 runs: 1024 time: 1.123 +- 0.224 tomcrypt AES-128-ECB size: 1048576 runs: 1024 time: 9.038 +- 0.790 Improved-By: Henrik Gramner <henrik@gramner.com> Signed-off-by: James Almer <jamrial@gmail.com>
96 lines
2.5 KiB
NASM
96 lines
2.5 KiB
NASM
;*****************************************************************************
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;* Copyright (c) 2015 Rodger Combs <rodger.combs@gmail.com>
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg 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 GNU
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;* 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 FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "x86util.asm"
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SECTION .text
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;-----------------------------------------------------------------------------
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; void ff_aes_decrypt(AVAES *a, uint8_t *dst, const uint8_t *src,
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; int count, uint8_t *iv, int rounds)
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;-----------------------------------------------------------------------------
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%macro AES_CRYPT 1
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cglobal aes_%1rypt, 6,6,2
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test r3, r3
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je .ret
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shl r3d, 4
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add r5d, r5d
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add r0, 0x60
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add r2, r3
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add r1, r3
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neg r3
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pxor m1, m1
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test r4, r4
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je .block
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movu m1, [r4] ; iv
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.block:
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movu m0, [r2+r3] ; state
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%ifidn %1, enc
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pxor m0, m1
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%endif
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pxor m0, [r0+8*r5-0x60]
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cmp r5d, 24
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je .rounds12
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jl .rounds10
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aes%1 m0, [r0+0x70]
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aes%1 m0, [r0+0x60]
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.rounds12:
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aes%1 m0, [r0+0x50]
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aes%1 m0, [r0+0x40]
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.rounds10:
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aes%1 m0, [r0+0x30]
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aes%1 m0, [r0+0x20]
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aes%1 m0, [r0+0x10]
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aes%1 m0, [r0+0x00]
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aes%1 m0, [r0-0x10]
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aes%1 m0, [r0-0x20]
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aes%1 m0, [r0-0x30]
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aes%1 m0, [r0-0x40]
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aes%1 m0, [r0-0x50]
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aes%1last m0, [r0-0x60]
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test r4, r4
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je .noiv
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%ifidn %1, enc
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mova m1, m0
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%else
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pxor m0, m1
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movu m1, [r2+r3]
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%endif
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.noiv:
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movu [r1+r3], m0
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add r3, 16
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jl .block
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test r4, r4
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je .ret
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%ifidn %1, dec
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movu [r4], m1
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%else
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movu [r4], m0
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%endif
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.ret:
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REP_RET
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%endmacro
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%if HAVE_AESNI_EXTERNAL
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INIT_XMM aesni
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AES_CRYPT enc
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AES_CRYPT dec
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%endif
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