diff options
Diffstat (limited to 'libblake_blake256_init2.c')
| -rw-r--r-- | libblake_blake256_init2.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libblake_blake256_init2.c b/libblake_blake256_init2.c new file mode 100644 index 0000000..271df7d --- /dev/null +++ b/libblake_blake256_init2.c @@ -0,0 +1,27 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + +void +libblake_blake256_init2(struct libblake_blake256_state *state, uint_least8_t salt[16]) +{ + size_t i; + state->s.h[0] = UINT_LEAST32_C(0x6A09E667); + state->s.h[1] = UINT_LEAST32_C(0xBB67AE85); + state->s.h[2] = UINT_LEAST32_C(0x3C6EF372); + state->s.h[3] = UINT_LEAST32_C(0xA54FF53A); + state->s.h[4] = UINT_LEAST32_C(0x510E527F); + state->s.h[5] = UINT_LEAST32_C(0x9B05688C); + state->s.h[6] = UINT_LEAST32_C(0x1F83D9AB); + state->s.h[7] = UINT_LEAST32_C(0x5BE0CD19); + if (!salt) { + memset(state->s.s, 0, sizeof(state->s.s)); + } else { + for (i = 0; i < 4; i++) { + state->s.s[i] = ((uint_least32_t)(salt[i * 4 + 0] & 255) << 24) + | ((uint_least32_t)(salt[i * 4 + 1] & 255) << 16) + | ((uint_least32_t)(salt[i * 4 + 2] & 255) << 8) + | ((uint_least32_t)(salt[i * 4 + 3] & 255) << 0); + } + } + memset(state->s.t, 0, sizeof(state->s.t)); +} |