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bpo-33164: update blake2 implementation (GH-6286)

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David Carlier 2019-05-23 04:32:44 +00:00 • committed by Inada Naoki
parent 20e1e2582e
commit 51aa35e9e1
27 changed files with 18373 additions and 679 deletions
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30
Modules/_blake2/impl/blake2s-load-xop.h
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@ -1,35 +1,31 @@
/*
BLAKE2 reference source code package - optimized C implementations
Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
your option. The terms of these licenses can be found at:
- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
- OpenSSL license : https://www.openssl.org/source/license.html
- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
More information about the BLAKE2 hash function can be found at
https://blake2.net.
Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#pragma once
#ifndef __BLAKE2S_LOAD_XOP_H__
#define __BLAKE2S_LOAD_XOP_H__
#define TOB(x) ((x)*4*0x01010101 + 0x03020100) /* ..or not TOB */
#define TOB(x) ((x)*4*0x01010101 + 0x03020100) // ..or not TOB
#if 0
/* Basic VPPERM emulation, for testing purposes */
static __m128i _mm_perm_epi8(const __m128i src1, const __m128i src2, const __m128i sel)
/*static __m128i _mm_perm_epi8(const __m128i src1, const __m128i src2, const __m128i sel)
{
const __m128i sixteen = _mm_set1_epi8(16);
const __m128i t0 = _mm_shuffle_epi8(src1, sel);
const __m128i s1 = _mm_shuffle_epi8(src2, _mm_sub_epi8(sel, sixteen));
const __m128i mask = _mm_or_si128(_mm_cmpeq_epi8(sel, sixteen),
_mm_cmpgt_epi8(sel, sixteen)); /* (>=16) = 0xff : 00 */
_mm_cmpgt_epi8(sel, sixteen)); // (>=16) = 0xff : 00
return _mm_blendv_epi8(t0, s1, mask);
}
#endif
}*/
#define LOAD_MSG_0_1(buf) \
buf = _mm_perm_epi8(m0, m1, _mm_set_epi32(TOB(6),TOB(4),TOB(2),TOB(0)) );