30 lines
691 B
C++
30 lines
691 B
C++
// Copyright (c) 2014 The Bitcoin Core developers
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// Copyright (c) 2019-2023 The Zcash developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or https://www.opensource.org/licenses/mit-license.php .
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#ifndef BITCOIN_CRYPTO_SHA1_H
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#define BITCOIN_CRYPTO_SHA1_H
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#include <stdint.h>
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#include <stdlib.h>
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/** A hasher class for SHA1. */
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class CSHA1
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{
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private:
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uint32_t s[5];
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unsigned char buf[64];
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size_t bytes;
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public:
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static const size_t OUTPUT_SIZE = 20;
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CSHA1();
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CSHA1& Write(const unsigned char* data, size_t len);
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void Finalize(unsigned char hash[OUTPUT_SIZE]);
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CSHA1& Reset();
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};
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#endif // BITCOIN_CRYPTO_SHA1_H
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