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Crypto: small speed optimization of Streebog and removal of unused macro

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This commit is contained in:
Mounir IDRASSI 2020-11-29 12:08:28 +01:00
parent 5878486f56
commit 20e0247471
No known key found for this signature in database
GPG Key ID: 02C30AE90FAE4A6F
1 changed files with 17 additions and 35 deletions
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52
src/Crypto/Streebog.c
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@ -1812,11 +1812,10 @@ add512(const unsigned long long *x, const unsigned long long *y, unsigned long l
z[7] = x[7] ^ y[7]; \
}
#ifndef __GOST3411_BIG_ENDIAN__
#define __XLPS_FOR for (_i = 0; _i <= 7; _i++)
#ifndef __GOST3411_BIG_ENDIAN__
#define _datai _i
#else
#define __XLPS_FOR for (_i = 7; _i >= 0; _i--)
#define _datai 7 - _i
#endif
@ -1836,14 +1835,22 @@ add512(const unsigned long long *x, const unsigned long long *y, unsigned long l
\
__XLPS_FOR \
{\
data[_datai] = Ax[0][(r0 >> (_i << 3)) & 0xFF]; \
data[_datai] ^= Ax[1][(r1 >> (_i << 3)) & 0xFF]; \
data[_datai] ^= Ax[2][(r2 >> (_i << 3)) & 0xFF]; \
data[_datai] ^= Ax[3][(r3 >> (_i << 3)) & 0xFF]; \
data[_datai] ^= Ax[4][(r4 >> (_i << 3)) & 0xFF]; \
data[_datai] ^= Ax[5][(r5 >> (_i << 3)) & 0xFF]; \
data[_datai] ^= Ax[6][(r6 >> (_i << 3)) & 0xFF]; \
data[_datai] ^= Ax[7][(r7 >> (_i << 3)) & 0xFF]; \
data[_datai] = Ax[0][r0 & 0xFF]; \
data[_datai] ^= Ax[1][r1 & 0xFF]; \
data[_datai] ^= Ax[2][r2 & 0xFF]; \
data[_datai] ^= Ax[3][r3 & 0xFF]; \
data[_datai] ^= Ax[4][r4 & 0xFF]; \
data[_datai] ^= Ax[5][r5 & 0xFF]; \
data[_datai] ^= Ax[6][r6 & 0xFF]; \
data[_datai] ^= Ax[7][r7 & 0xFF]; \
r0 >>= 8; \
r1 >>= 8; \
r2 >>= 8; \
r3 >>= 8; \
r4 >>= 8; \
r5 >>= 8; \
r6 >>= 8; \
r7 >>= 8; \
}\
}
@ -1968,31 +1975,6 @@ VC_INLINE __m128i _mm_set_epi64x_a(uint64 i0, uint64 i1) {
xmm4 = _mm_set_epi64(mm1, mm0); \
}
#define __EXTRACT64(row, xmm0, xmm1, xmm2, xmm3, xmm4) { \
__m128i tmm4; \
register unsigned long long r0, r1; \
r0 = Ax[0][_mm_extract_epi8(xmm0, row + 0)]; \
r0 ^= Ax[1][_mm_extract_epi8(xmm0, row + 8)]; \
r0 ^= Ax[2][_mm_extract_epi8(xmm1, row + 0)]; \
r0 ^= Ax[3][_mm_extract_epi8(xmm1, row + 8)]; \
r0 ^= Ax[4][_mm_extract_epi8(xmm2, row + 0)]; \
r0 ^= Ax[5][_mm_extract_epi8(xmm2, row + 8)]; \
r0 ^= Ax[6][_mm_extract_epi8(xmm3, row + 0)]; \
r0 ^= Ax[7][_mm_extract_epi8(xmm3, row + 8)]; \
\
r1 = Ax[0][_mm_extract_epi8(xmm0, row + 1)]; \
r1 ^= Ax[1][_mm_extract_epi8(xmm0, row + 9)]; \
r1 ^= Ax[2][_mm_extract_epi8(xmm1, row + 1)]; \
r1 ^= Ax[3][_mm_extract_epi8(xmm1, row + 9)]; \
r1 ^= Ax[4][_mm_extract_epi8(xmm2, row + 1)]; \
r1 ^= Ax[5][_mm_extract_epi8(xmm2, row + 9)]; \
r1 ^= Ax[6][_mm_extract_epi8(xmm3, row + 1)]; \
r1 ^= Ax[7][_mm_extract_epi8(xmm3, row + 9)]; \
xmm4 = _mm_cvtsi64_si128((long long) r0); \
tmm4 = _mm_cvtsi64_si128((long long) r1); \
xmm4 = _mm_unpacklo_epi64(xmm4, tmm4); \
}
#define EXTRACT64(row, xmm0, xmm1, xmm2, xmm3, xmm4) { \
__m128i tmm4; \
register unsigned short ax; \