diff options
| -rw-r--r-- | src/crypto/slow-hash.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c index 5bfc93021..f81aadfab 100644 --- a/src/crypto/slow-hash.c +++ b/src/crypto/slow-hash.c @@ -52,10 +52,10 @@ extern int aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *exp #define VARIANT1_1(p) \ do if (variant > 0) \ { \ - uint8_t tmp = ((const uint8_t*)p)[11]; \ - uint8_t tmp1 = (tmp>>4)&1, tmp2 = (tmp>>5)&1, tmp3 = tmp1^tmp2; \ - uint8_t tmp0 = (((const uint8_t*)p)[11] & 1) ? tmp3 : ((((tmp2<<1)|tmp1) + 1)&3); \ - ((uint8_t*)p)[11] = (((const uint8_t*)p)[11] & 1) ? ((tmp & 0xef) | (tmp0<<4)):((tmp & 0xcf) | (tmp0<<4)); \ + const uint8_t tmp = ((const uint8_t*)(p))[11]; \ + static const uint32_t table = 0x75310; \ + const uint8_t index = (((tmp >> 3) & 6) | (tmp & 1)) << 1; \ + ((uint8_t*)(p))[11] = tmp ^ ((table >> index) & 0x30); \ } while(0) #define VARIANT1_2(p) \ |