monero/src/crypto/hash.c

// Copyright (c) 2014-2017, The Monero Project
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//    conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
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// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers

#include <stddef.h>
#include <stdint.h>
#include <string.h>

#include "hash-ops.h"
#include "keccak.h"

void hash_permutation(union hash_state *state) {
  keccakf((uint64_t*)state, 24);
}

void hash_process(union hash_state *state, const uint8_t *buf, size_t count) {
  keccak1600(buf, count, (uint8_t*)state);
}

void cn_fast_hash(const void *data, size_t length, char *hash) {
  union hash_state state;
  hash_process(&state, data, length);
  memcpy(hash, &state, HASH_SIZE);
}