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