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/* See LICENSE file for copyright and license details. */
#include "common.h"
void
libblake_blake2b_init(struct libblake_blake2b_state *state, const struct libblake_blake2b_params *params, const unsigned char *key)
{
state->h[0] = UINT_LEAST64_C(0x6A09E667F3BCC908);
state->h[1] = UINT_LEAST64_C(0xBB67AE8584CAA73B);
state->h[2] = UINT_LEAST64_C(0x3C6EF372FE94F82B);
state->h[3] = UINT_LEAST64_C(0xA54FF53A5F1D36F1);
state->h[4] = UINT_LEAST64_C(0x510E527FADE682D1);
state->h[5] = UINT_LEAST64_C(0x9B05688C2B3E6C1F);
state->h[6] = UINT_LEAST64_C(0x1F83D9ABFB41BD6B);
state->h[7] = UINT_LEAST64_C(0x5BE0CD19137E2179);
state->t[0] = 0;
state->t[1] = 0;
state->f[0] = 0;
state->f[1] = 0;
state->h[0] ^= ((uint_least64_t)params->digest_len & 255) << 0;
state->h[0] ^= ((uint_least64_t)params->key_len & 255) << 8;
state->h[0] ^= ((uint_least64_t)params->fanout & 255) << 16;
state->h[0] ^= ((uint_least64_t)params->depth & 255) << 24;
state->h[0] ^= (uint_least64_t)(params->leaf_len & UINT_LEAST32_C(0xFFFFffff)) << 32;
state->h[1] ^= params->node_offset & UINT_LEAST64_C(0xFFFFffffFFFFffff);
state->h[2] ^= ((uint_least64_t)params->node_depth & 255) << 0;
state->h[2] ^= ((uint_least64_t)params->inner_len & 255) << 8;
state->h[4] ^= ((uint_least64_t)params->salt[0] & 255) << 0;
state->h[4] ^= ((uint_least64_t)params->salt[1] & 255) << 8;
state->h[4] ^= ((uint_least64_t)params->salt[2] & 255) << 16;
state->h[4] ^= ((uint_least64_t)params->salt[3] & 255) << 24;
state->h[4] ^= ((uint_least64_t)params->salt[4] & 255) << 32;
state->h[4] ^= ((uint_least64_t)params->salt[5] & 255) << 40;
state->h[4] ^= ((uint_least64_t)params->salt[6] & 255) << 48;
state->h[4] ^= ((uint_least64_t)params->salt[7] & 255) << 56;
state->h[5] ^= ((uint_least64_t)params->salt[8] & 255) << 0;
state->h[5] ^= ((uint_least64_t)params->salt[9] & 255) << 8;
state->h[5] ^= ((uint_least64_t)params->salt[A] & 255) << 16;
state->h[5] ^= ((uint_least64_t)params->salt[B] & 255) << 24;
state->h[5] ^= ((uint_least64_t)params->salt[C] & 255) << 32;
state->h[5] ^= ((uint_least64_t)params->salt[D] & 255) << 40;
state->h[5] ^= ((uint_least64_t)params->salt[E] & 255) << 48;
state->h[5] ^= ((uint_least64_t)params->salt[F] & 255) << 56;
state->h[6] ^= ((uint_least64_t)params->pepper[0] & 255) << 0;
state->h[6] ^= ((uint_least64_t)params->pepper[1] & 255) << 8;
state->h[6] ^= ((uint_least64_t)params->pepper[2] & 255) << 16;
state->h[6] ^= ((uint_least64_t)params->pepper[3] & 255) << 24;
state->h[6] ^= ((uint_least64_t)params->pepper[4] & 255) << 32;
state->h[6] ^= ((uint_least64_t)params->pepper[5] & 255) << 40;
state->h[6] ^= ((uint_least64_t)params->pepper[6] & 255) << 48;
state->h[6] ^= ((uint_least64_t)params->pepper[7] & 255) << 56;
state->h[7] ^= ((uint_least64_t)params->pepper[8] & 255) << 0;
state->h[7] ^= ((uint_least64_t)params->pepper[9] & 255) << 8;
state->h[7] ^= ((uint_least64_t)params->pepper[A] & 255) << 16;
state->h[7] ^= ((uint_least64_t)params->pepper[B] & 255) << 24;
state->h[7] ^= ((uint_least64_t)params->pepper[C] & 255) << 32;
state->h[7] ^= ((uint_least64_t)params->pepper[D] & 255) << 40;
state->h[7] ^= ((uint_least64_t)params->pepper[E] & 255) << 48;
state->h[7] ^= ((uint_least64_t)params->pepper[F] & 255) << 56;
if (params->key_len) {
state->t[0] = 128;
libblake_internal_blake2b_compress(state, key);
}
}
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