100 lines
3.4 KiB
C
100 lines
3.4 KiB
C
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/*
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BLAKE2 reference source code package - optimized C implementations
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Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the
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terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at
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your option. The terms of these licenses can be found at:
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- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
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- OpenSSL license : https://www.openssl.org/source/license.html
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- Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
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More information about the BLAKE2 hash function can be found at
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https://blake2.net.
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*/
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#include <stdint.h>
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#include <string.h>
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#include "blake2.h"
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#include "blake2-impl.h"
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#include "blake2-config.h"
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#ifdef HAVE_SSE2
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#include <emmintrin.h>
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#if defined(HAVE_XOP)
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#include <x86intrin.h>
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#endif
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#include "blake2b-round.h"
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static const uint64_t blake2b_IV[8] =
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{
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0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL,
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0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL,
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0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
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0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL
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};
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void blake2b_compress_sse2( blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES] )
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{
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__m128i row1l, row1h;
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__m128i row2l, row2h;
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__m128i row3l, row3h;
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__m128i row4l, row4h;
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__m128i b0, b1;
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__m128i t0, t1;
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#if defined(HAVE_SSSE3) && !defined(HAVE_XOP)
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const __m128i r16 = _mm_setr_epi8( 2, 3, 4, 5, 6, 7, 0, 1, 10, 11, 12, 13, 14, 15, 8, 9 );
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const __m128i r24 = _mm_setr_epi8( 3, 4, 5, 6, 7, 0, 1, 2, 11, 12, 13, 14, 15, 8, 9, 10 );
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#endif
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const uint64_t m0 = load64(block + 0 * sizeof(uint64_t));
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const uint64_t m1 = load64(block + 1 * sizeof(uint64_t));
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const uint64_t m2 = load64(block + 2 * sizeof(uint64_t));
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const uint64_t m3 = load64(block + 3 * sizeof(uint64_t));
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const uint64_t m4 = load64(block + 4 * sizeof(uint64_t));
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const uint64_t m5 = load64(block + 5 * sizeof(uint64_t));
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const uint64_t m6 = load64(block + 6 * sizeof(uint64_t));
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const uint64_t m7 = load64(block + 7 * sizeof(uint64_t));
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const uint64_t m8 = load64(block + 8 * sizeof(uint64_t));
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const uint64_t m9 = load64(block + 9 * sizeof(uint64_t));
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const uint64_t m10 = load64(block + 10 * sizeof(uint64_t));
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const uint64_t m11 = load64(block + 11 * sizeof(uint64_t));
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const uint64_t m12 = load64(block + 12 * sizeof(uint64_t));
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const uint64_t m13 = load64(block + 13 * sizeof(uint64_t));
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const uint64_t m14 = load64(block + 14 * sizeof(uint64_t));
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const uint64_t m15 = load64(block + 15 * sizeof(uint64_t));
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row1l = LOADU( &S->h[0] );
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row1h = LOADU( &S->h[2] );
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row2l = LOADU( &S->h[4] );
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row2h = LOADU( &S->h[6] );
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row3l = LOADU( &blake2b_IV[0] );
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row3h = LOADU( &blake2b_IV[2] );
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row4l = _mm_xor_si128( LOADU( &blake2b_IV[4] ), LOADU( &S->t[0] ) );
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row4h = _mm_xor_si128( LOADU( &blake2b_IV[6] ), LOADU( &S->f[0] ) );
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ROUND( 0 );
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ROUND( 1 );
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ROUND( 2 );
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ROUND( 3 );
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ROUND( 4 );
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ROUND( 5 );
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ROUND( 6 );
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ROUND( 7 );
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ROUND( 8 );
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ROUND( 9 );
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ROUND( 10 );
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ROUND( 11 );
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row1l = _mm_xor_si128( row3l, row1l );
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row1h = _mm_xor_si128( row3h, row1h );
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STOREU( &S->h[0], _mm_xor_si128( LOADU( &S->h[0] ), row1l ) );
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STOREU( &S->h[2], _mm_xor_si128( LOADU( &S->h[2] ), row1h ) );
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row2l = _mm_xor_si128( row4l, row2l );
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row2h = _mm_xor_si128( row4h, row2h );
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STOREU( &S->h[4], _mm_xor_si128( LOADU( &S->h[4] ), row2l ) );
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STOREU( &S->h[6], _mm_xor_si128( LOADU( &S->h[6] ), row2h ) );
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}
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#endif
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