diff options
Diffstat (limited to 'libcrypt/sha512.c')
| -rw-r--r-- | libcrypt/sha512.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/libcrypt/sha512.c b/libcrypt/sha512.c index 079caee0a..b2e36a3b3 100644 --- a/libcrypt/sha512.c +++ b/libcrypt/sha512.c @@ -139,12 +139,12 @@ sha512_process_block (const void *buffer, size_t len, struct sha512_ctx *ctx) uint64_t h_save = h; /* Operators defined in FIPS 180-2:4.1.2. */ -#define Ch(x, y, z) ((x & y) ^ (~x & z)) -#define Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z)) -#define S0(x) (CYCLIC (x, 28) ^ CYCLIC (x, 34) ^ CYCLIC (x, 39)) -#define S1(x) (CYCLIC (x, 14) ^ CYCLIC (x, 18) ^ CYCLIC (x, 41)) -#define R0(x) (CYCLIC (x, 1) ^ CYCLIC (x, 8) ^ (x >> 7)) -#define R1(x) (CYCLIC (x, 19) ^ CYCLIC (x, 61) ^ (x >> 6)) +#define _Ch(x, y, z) ((x & y) ^ (~x & z)) +#define _Maj(x, y, z) ((x & y) ^ (x & z) ^ (y & z)) +#define _S0(x) (CYCLIC (x, 28) ^ CYCLIC (x, 34) ^ CYCLIC (x, 39)) +#define _S1(x) (CYCLIC (x, 14) ^ CYCLIC (x, 18) ^ CYCLIC (x, 41)) +#define _R0(x) (CYCLIC (x, 1) ^ CYCLIC (x, 8) ^ (x >> 7)) +#define _R1(x) (CYCLIC (x, 19) ^ CYCLIC (x, 61) ^ (x >> 6)) /* It is unfortunate that C does not provide an operator for cyclic rotation. Hope the C compiler is smart enough. */ @@ -157,13 +157,13 @@ sha512_process_block (const void *buffer, size_t len, struct sha512_ctx *ctx) ++words; } for (unsigned int t = 16; t < 80; ++t) - W[t] = R1 (W[t - 2]) + W[t - 7] + R0 (W[t - 15]) + W[t - 16]; + W[t] = _R1 (W[t - 2]) + W[t - 7] + _R0 (W[t - 15]) + W[t - 16]; /* The actual computation according to FIPS 180-2:6.3.2 step 3. */ for (unsigned int t = 0; t < 80; ++t) { - uint64_t T1 = h + S1 (e) + Ch (e, f, g) + K[t] + W[t]; - uint64_t T2 = S0 (a) + Maj (a, b, c); + uint64_t T1 = h + _S1 (e) + _Ch (e, f, g) + K[t] + W[t]; + uint64_t T2 = _S0 (a) + _Maj (a, b, c); h = g; g = f; f = e; |