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// Copyright (c) 2014-2019 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_CRYPTO_SHA512_H
#define BITCOIN_CRYPTO_SHA512_H
#include <stdint.h>
#include <stdlib.h>
/** A hasher class for SHA-512. */
class CSHA512
{
private:
uint64_t s[8];
unsigned char buf[128];
uint64_t bytes;
public:
static constexpr size_t OUTPUT_SIZE = 64;
CSHA512();
CSHA512& Write(const unsigned char* data, size_t len);
void Finalize(unsigned char hash[OUTPUT_SIZE]);
CSHA512& Reset();
uint64_t Size() const { return bytes; }
};
#endif // BITCOIN_CRYPTO_SHA512_H
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