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slow-hash: optimized version

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SChernykh 2018-02-16 09:11:54 +00:00 committed by moneromooo-monero
parent 608fd6f14a
commit d58c9ec99c
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GPG key ID: 686F07454D6CEFC3
1 changed files with 4 additions and 4 deletions
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src/crypto/slow-hash.c
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@ -52,10 +52,10 @@ extern int aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *exp
#define VARIANT1_1(p) \ #define VARIANT1_1(p) \
do if (variant > 0) \ do if (variant > 0) \
{ \ { \
uint8_t tmp = ((const uint8_t*)p)[11]; \ const uint8_t tmp = ((const uint8_t*)(p))[11]; \
uint8_t tmp1 = (tmp>>4)&1, tmp2 = (tmp>>5)&1, tmp3 = tmp1^tmp2; \ static const uint32_t table = 0x75310; \
uint8_t tmp0 = (((const uint8_t*)p)[11] & 1) ? tmp3 : ((((tmp2<<1)|tmp1) + 1)&3); \ const uint8_t index = (((tmp >> 3) & 6) | (tmp & 1)) << 1; \
((uint8_t*)p)[11] = (((const uint8_t*)p)[11] & 1) ? ((tmp & 0xef) | (tmp0<<4)):((tmp & 0xcf) | (tmp0<<4)); \ ((uint8_t*)(p))[11] = tmp ^ ((table >> index) & 0x30); \
} while(0) } while(0)
#define VARIANT1_2(p) \ #define VARIANT1_2(p) \