neobytes/src/crypto/sha256.h
Wladimir J. van der Laan cfb8b82dc3 Merge #7848: Divergence between 32- and 64-bit when hashing >4GB affects gettxoutsetinfo
28b400f doc: update release-notes for `gettxoutsetinfo` change (Wladimir J. van der Laan)
76212bb rpc: make sure `gettxoutsetinfo` hash has txids (Wladimir J. van der Laan)
9ad1a51 crypto: bytes counts are 64 bit (Wladimir J. van der Laan)
2017-12-20 17:25:03 +01:00

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// Copyright (c) 2014 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_SHA256_H
#define BITCOIN_CRYPTO_SHA256_H
#include <stdint.h>
#include <stdlib.h>
/** A hasher class for SHA-256. */
class CSHA256
{
private:
uint32_t s[8];
unsigned char buf[64];
uint64_t bytes;
public:
static const size_t OUTPUT_SIZE = 32;
CSHA256();
CSHA256& Write(const unsigned char* data, size_t len);
void Finalize(unsigned char hash[OUTPUT_SIZE]);
CSHA256& Reset();
};
#endif // BITCOIN_CRYPTO_SHA256_H