20 #if (CRYPTOPP_SHANI_AVAILABLE) 21 # include <nmmintrin.h> 22 # include <immintrin.h> 26 #define M128_CAST(x) ((__m128i *)(void *)(x)) 27 #define CONST_M128_CAST(x) ((const __m128i *)(const void *)(x)) 30 extern const char SHACAL2_SIMD_FNAME[] = __FILE__;
34 #if CRYPTOPP_SHANI_AVAILABLE 35 void SHACAL2_Enc_ProcessAndXorBlock_SHANI(
const word32* subKeys,
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
41 const __m128i MASK1 = _mm_set_epi8(8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7);
42 const __m128i MASK2 = _mm_set_epi8(0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15);
44 __m128i B0 = _mm_shuffle_epi8(_mm_loadu_si128(CONST_M128_CAST(inBlock + 0)), MASK1);
45 __m128i B1 = _mm_shuffle_epi8(_mm_loadu_si128(CONST_M128_CAST(inBlock + 16)), MASK2);
47 __m128i TMP = _mm_alignr_epi8(B0, B1, 8);
48 B1 = _mm_blend_epi16(B1, B0, 0xF0);
53 const __m128i MASK1 = _mm_set_epi8(8,9,10,11, 12,13,14,15, 0,1,2,3, 4,5,6,7);
54 const __m128i MASK2 = _mm_set_epi8(0,1,2,3, 4,5,6,7, 8,9,10,11, 12,13,14,15);
56 __m128i B0 = _mm_loadu_si128(CONST_M128_CAST(inBlock + 0));
57 __m128i B1 = _mm_loadu_si128(CONST_M128_CAST(inBlock + 16));
59 __m128i TMP = _mm_shuffle_epi8(_mm_unpacklo_epi64(B0, B1), MASK2);
60 B1 = _mm_shuffle_epi8(_mm_unpackhi_epi64(B0, B1), MASK2);
64 const byte* keys =
reinterpret_cast<const byte*
>(subKeys);
65 for (
size_t i = 0; i != 8; ++i)
67 const __m128i RK0 = _mm_load_si128(CONST_M128_CAST(keys + 32*i));
68 const __m128i RK2 = _mm_load_si128(CONST_M128_CAST(keys + 32*i+16));
69 const __m128i RK1 = _mm_srli_si128(RK0, 8);
70 const __m128i RK3 = _mm_srli_si128(RK2, 8);
72 B1 = _mm_sha256rnds2_epu32(B1, B0, RK0);
73 B0 = _mm_sha256rnds2_epu32(B0, B1, RK1);
74 B1 = _mm_sha256rnds2_epu32(B1, B0, RK2);
75 B0 = _mm_sha256rnds2_epu32(B0, B1, RK3);
78 TMP = _mm_shuffle_epi8(_mm_unpackhi_epi64(B0, B1), MASK1);
79 B1 = _mm_shuffle_epi8(_mm_unpacklo_epi64(B0, B1), MASK1);
84 _mm_storeu_si128(M128_CAST(outBlock + 0),
85 _mm_xor_si128(B0, _mm_loadu_si128(CONST_M128_CAST(xorBlock + 0))));
87 _mm_storeu_si128(M128_CAST(outBlock + 16),
88 _mm_xor_si128(B1, _mm_loadu_si128(CONST_M128_CAST(xorBlock + 16))));
92 _mm_storeu_si128(M128_CAST(outBlock + 0), B0);
93 _mm_storeu_si128(M128_CAST(outBlock + 16), B1);
Utility functions for the Crypto++ library.
Library configuration file.
#define CRYPTOPP_ASSERT(exp)
Debugging and diagnostic assertion.
Classes for SHA-1 and SHA-2 family of message digests.
Crypto++ library namespace.