danicoin/src/crypto/hash.c

// Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin.  If not, see <http://www.gnu.org/licenses/>.

#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);
}