danicoin/src/crypto/hash.h

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// Copyright (c) 2011-2014 The Cryptonote developers
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// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#pragma once
#include <stddef.h>
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#include "common/pod-class.h"
#include "generic-ops.h"
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namespace crypto {
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extern "C" {
#include "hash-ops.h"
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}
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#pragma pack(push, 1)
POD_CLASS hash {
char data[HASH_SIZE];
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};
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#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;
}
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class cn_context {
public:
cn_context();
~cn_context();
#if !defined(_MSC_VER) || _MSC_VER >= 1800
cn_context(const cn_context &) = delete;
void operator=(const cn_context &) = delete;
#endif
private:
void *data;
friend inline void cn_slow_hash(cn_context &, const void *, std::size_t, hash &);
};
inline void cn_slow_hash(cn_context &context, const void *data, std::size_t length, hash &hash) {
(*cn_slow_hash_f)(context.data, data, length, reinterpret_cast<void *>(&hash));
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}
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));
}
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}
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CRYPTO_MAKE_HASHABLE(hash)