diff options
Diffstat (limited to 'libblake_blake512_init2.c')
| -rw-r--r-- | libblake_blake512_init2.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libblake_blake512_init2.c b/libblake_blake512_init2.c new file mode 100644 index 0000000..5363e7f --- /dev/null +++ b/libblake_blake512_init2.c @@ -0,0 +1,31 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + +void +libblake_blake512_init2(struct libblake_blake512_state *state, uint_least8_t salt[32]) +{ + size_t i; + state->b.h[0] = UINT_LEAST64_C(0x6A09E667F3BCC908); + state->b.h[1] = UINT_LEAST64_C(0xBB67AE8584CAA73B); + state->b.h[2] = UINT_LEAST64_C(0x3C6EF372FE94F82B); + state->b.h[3] = UINT_LEAST64_C(0xA54FF53A5F1D36F1); + state->b.h[4] = UINT_LEAST64_C(0x510E527FADE682D1); + state->b.h[5] = UINT_LEAST64_C(0x9B05688C2B3E6C1F); + state->b.h[6] = UINT_LEAST64_C(0x1F83D9ABFB41BD6B); + state->b.h[7] = UINT_LEAST64_C(0x5BE0CD19137E2179); + if (!salt) { + memset(state->b.s, 0, sizeof(state->b.s)); + } else { + for (i = 0; i < 4; i++) { + state->b.s[i] = ((uint_least64_t)(salt[i * 8 + 0] & 255) << 56) + | ((uint_least64_t)(salt[i * 8 + 1] & 255) << 48) + | ((uint_least64_t)(salt[i * 8 + 2] & 255) << 40) + | ((uint_least64_t)(salt[i * 8 + 3] & 255) << 32) + | ((uint_least64_t)(salt[i * 8 + 4] & 255) << 24) + | ((uint_least64_t)(salt[i * 8 + 5] & 255) << 16) + | ((uint_least64_t)(salt[i * 8 + 6] & 255) << 8) + | ((uint_least64_t)(salt[i * 8 + 7] & 255) << 0); + } + } + memset(state->b.t, 0, sizeof(state->b.t)); +} |