mirror of https://github.com/python/cpython
91 lines
2.9 KiB
C
91 lines
2.9 KiB
C
|
/*
|
||
|
|
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.
|
||
|
|
*/
|
||
|
|
#pragma once
|
||
|
|
#ifndef __BLAKE2S_ROUND_H__
|
||
|
|
#define __BLAKE2S_ROUND_H__
|
||
|
|
|
||
|
|
#define LOADU(p) _mm_loadu_si128( (const __m128i *)(p) )
|
||
|
|
#define STOREU(p,r) _mm_storeu_si128((__m128i *)(p), r)
|
||
|
|
|
||
|
|
#define TOF(reg) _mm_castsi128_ps((reg))
|
||
|
|
#define TOI(reg) _mm_castps_si128((reg))
|
||
|
|
|
||
|
|
#define LIKELY(x) __builtin_expect((x),1)
|
||
|
|
|
||
|
|
|
||
|
|
/* Microarchitecture-specific macros */
|
||
|
|
#ifndef HAVE_XOP
|
||
|
|
#ifdef HAVE_SSSE3
|
||
|
|
#define _mm_roti_epi32(r, c) ( \
|
||
|
|
(8==-(c)) ? _mm_shuffle_epi8(r,r8) \
|
||
|
|
: (16==-(c)) ? _mm_shuffle_epi8(r,r16) \
|
||
|
|
: _mm_xor_si128(_mm_srli_epi32( (r), -(c) ),_mm_slli_epi32( (r), 32-(-(c)) )) )
|
||
|
|
#else
|
||
|
|
#define _mm_roti_epi32(r, c) _mm_xor_si128(_mm_srli_epi32( (r), -(c) ),_mm_slli_epi32( (r), 32-(-(c)) ))
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
/* ... */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#define G1(row1,row2,row3,row4,buf) \
|
||
|
|
row1 = _mm_add_epi32( _mm_add_epi32( row1, buf), row2 ); \
|
||
|
|
row4 = _mm_xor_si128( row4, row1 ); \
|
||
|
|
row4 = _mm_roti_epi32(row4, -16); \
|
||
|
|
row3 = _mm_add_epi32( row3, row4 ); \
|
||
|
|
row2 = _mm_xor_si128( row2, row3 ); \
|
||
|
|
row2 = _mm_roti_epi32(row2, -12);
|
||
|
|
|
||
|
|
#define G2(row1,row2,row3,row4,buf) \
|
||
|
|
row1 = _mm_add_epi32( _mm_add_epi32( row1, buf), row2 ); \
|
||
|
|
row4 = _mm_xor_si128( row4, row1 ); \
|
||
|
|
row4 = _mm_roti_epi32(row4, -8); \
|
||
|
|
row3 = _mm_add_epi32( row3, row4 ); \
|
||
|
|
row2 = _mm_xor_si128( row2, row3 ); \
|
||
|
|
row2 = _mm_roti_epi32(row2, -7);
|
||
|
|
|
||
|
|
#define DIAGONALIZE(row1,row2,row3,row4) \
|
||
|
|
row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(2,1,0,3) ); \
|
||
|
|
row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \
|
||
|
|
row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(0,3,2,1) );
|
||
|
|
|
||
|
|
#define UNDIAGONALIZE(row1,row2,row3,row4) \
|
||
|
|
row4 = _mm_shuffle_epi32( row4, _MM_SHUFFLE(0,3,2,1) ); \
|
||
|
|
row3 = _mm_shuffle_epi32( row3, _MM_SHUFFLE(1,0,3,2) ); \
|
||
|
|
row2 = _mm_shuffle_epi32( row2, _MM_SHUFFLE(2,1,0,3) );
|
||
|
|
|
||
|
|
#if defined(HAVE_XOP)
|
||
|
|
#include "blake2s-load-xop.h"
|
||
|
|
#elif defined(HAVE_SSE41)
|
||
|
|
#include "blake2s-load-sse41.h"
|
||
|
|
#else
|
||
|
|
#include "blake2s-load-sse2.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define ROUND(r) \
|
||
|
|
LOAD_MSG_ ##r ##_1(buf1); \
|
||
|
|
G1(row1,row2,row3,row4,buf1); \
|
||
|
|
LOAD_MSG_ ##r ##_2(buf2); \
|
||
|
|
G2(row1,row2,row3,row4,buf2); \
|
||
|
|
DIAGONALIZE(row1,row2,row3,row4); \
|
||
|
|
LOAD_MSG_ ##r ##_3(buf3); \
|
||
|
|
G1(row1,row2,row3,row4,buf3); \
|
||
|
|
LOAD_MSG_ ##r ##_4(buf4); \
|
||
|
|
G2(row1,row2,row3,row4,buf4); \
|
||
|
|
UNDIAGONALIZE(row1,row2,row3,row4); \
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|