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90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
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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 <sodium/private/common.h>
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#include <sodium/private/sse2_64_32.h>
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#if defined(HAVE_EMMINTRIN_H) && defined(HAVE_TMMINTRIN_H)
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#ifdef __GNUC__
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#pragma GCC target("sse2")
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#pragma GCC target("ssse3")
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#endif
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#include <emmintrin.h>
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#include <tmmintrin.h>
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#include "blake2b-compress-ssse3.h"
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CRYPTO_ALIGN(64)
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static const uint64_t blake2b_IV[8] = {
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0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, 0x3c6ef372fe94f82bULL,
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0xa54ff53a5f1d36f1ULL, 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL,
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0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL};
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int
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blake2b_compress_ssse3(blake2b_state *S,
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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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const __m128i r16 =
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_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 =
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_mm_setr_epi8(3, 4, 5, 6, 7, 0, 1, 2, 11, 12, 13, 14, 15, 8, 9, 10);
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const uint64_t m0 = ((uint64_t *)block)[0];
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const uint64_t m1 = ((uint64_t *)block)[1];
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const uint64_t m2 = ((uint64_t *)block)[2];
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const uint64_t m3 = ((uint64_t *)block)[3];
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const uint64_t m4 = ((uint64_t *)block)[4];
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const uint64_t m5 = ((uint64_t *)block)[5];
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const uint64_t m6 = ((uint64_t *)block)[6];
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const uint64_t m7 = ((uint64_t *)block)[7];
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const uint64_t m8 = ((uint64_t *)block)[8];
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const uint64_t m9 = ((uint64_t *)block)[9];
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const uint64_t m10 = ((uint64_t *)block)[10];
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const uint64_t m11 = ((uint64_t *)block)[11];
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const uint64_t m12 = ((uint64_t *)block)[12];
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const uint64_t m13 = ((uint64_t *)block)[13];
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const uint64_t m14 = ((uint64_t *)block)[14];
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const uint64_t m15 = ((uint64_t *)block)[15];
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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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return 0;
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}
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#endif
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