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v3.12.7

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Jay D Dee
2020-03-20 16:30:12 -04:00
parent 6e8b8ed34f
commit fb9163185a
27 changed files with 1874 additions and 421 deletions
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21
algo/sha/hmac-sha256-hash.c
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@@ -81,16 +81,17 @@ HMAC_SHA256_Init( HMAC_SHA256_CTX *ctx, const void *_K, size_t Klen )
/* Inner SHA256 operation is SHA256(K xor [block of 0x36] || data). */
SHA256_Init( &ctx->ictx );
memset( pad, 0x36, 64 );
for ( i = 0; i < Klen; i++ )
pad[i] ^= K[i];
for ( i = 0; i < Klen; i++ ) pad[i] = K[i] ^ 0x36;
memset( pad + Klen, 0x36, 64 - Klen );
SHA256_Update( &ctx->ictx, pad, 64 );
/* Outer SHA256 operation is SHA256(K xor [block of 0x5c] || hash). */
SHA256_Init( &ctx->octx );
memset(pad, 0x5c, 64);
for ( i = 0; i < Klen; i++ )
pad[i] ^= K[i];
for ( i = 0; i < Klen; i++ ) pad[i] = K[i] ^ 0x5c;
memset( pad + Klen, 0x5c, 64 - Klen );
SHA256_Update( &ctx->octx, pad, 64 );
}
@@ -161,7 +162,13 @@ PBKDF2_SHA256( const uint8_t *passwd, size_t passwdlen, const uint8_t *salt,
HMAC_SHA256_Final( U, &hctx );
/* ... xor U_j ... */
for ( k = 0; k < 32; k++ )
// _mm256_xor_si256( *(__m256i*)T, *(__m256i*)U );
// _mm_xor_si128( ((__m128i*)T)[0], ((__m128i*)U)[0] );
// _mm_xor_si128( ((__m128i*)T)[1], ((__m128i*)U)[1] );
// for ( k = 0; k < 4; k++ ) T[k] ^= U[k];
for ( k = 0; k < 32; k++ )
T[k] ^= U[k];
}