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blockchain/src/crypto/hash.h
2019-09-27 17:16:18 +02:00

56 lines
1.3 KiB
C++

// Copyright (c) 2012-2013 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <stddef.h>
#include "common/pod-class.h"
#include "generic-ops.h"
#include "warnings.h"
PUSH_VS_WARNINGS
DISABLE_VS_WARNINGS(4804)
#include "blake2.h"
POP_VS_WARNINGS
namespace crypto {
extern "C" {
#include "hash-ops.h"
}
#pragma pack(push, 1)
POD_CLASS hash {
char data[HASH_SIZE];
};
#pragma pack(pop)
static_assert(sizeof(hash) == HASH_SIZE, "Invalid structure size");
/*
Cryptonight hash functions
*/
inline void cn_fast_hash(const void *data, std::size_t length, hash &hash) {
cn_fast_hash(data, length, reinterpret_cast<char *>(&hash));
}
inline hash cn_fast_hash(const void *data, std::size_t length) {
hash h;
cn_fast_hash(data, length, reinterpret_cast<char *>(&h));
return h;
}
inline void tree_hash(const hash *hashes, std::size_t count, hash &root_hash) {
tree_hash(reinterpret_cast<const char (*)[HASH_SIZE]>(hashes), count, reinterpret_cast<char *>(&root_hash));
}
inline hash blake2_hash(const void *data, std::size_t length) {
hash h;
blake2(&h, sizeof(h), data, length, nullptr, 0);
return h;
}
}
POD_MAKE_HASHABLE(crypto, hash)