34 lines
810 B
C++
34 lines
810 B
C++
// Copyright (c) 2016-2023 The Hush developers
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// Copyright (c) 2014 The Bitcoin Core developers
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// Distributed under the GPLv3 software license, see the accompanying
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// file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
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#ifndef HUSH_CRYPTO_HMAC_SHA512_H
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#define HUSH_CRYPTO_HMAC_SHA512_H
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#include "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 HMAC-SHA-512. */
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class CHMAC_SHA512
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{
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private:
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CSHA512 outer;
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CSHA512 inner;
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public:
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static const size_t OUTPUT_SIZE = 64;
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CHMAC_SHA512(const unsigned char* key, size_t keylen);
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CHMAC_SHA512& Write(const unsigned char* data, size_t len)
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{
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inner.Write(data, len);
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return *this;
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}
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void Finalize(unsigned char hash[OUTPUT_SIZE]);
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};
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#endif // HUSH_CRYPTO_HMAC_SHA512_H
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