]> Git Repo - VerusCoin.git/blob - src/crypto/sha256.h
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[VerusCoin.git] / src / crypto / sha256.h
1 // Copyright (c) 2014 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5 #ifndef BITCOIN_CRYPTO_SHA256_H
6 #define BITCOIN_CRYPTO_SHA256_H
7
8 #include <stdint.h>
9 #include <stdlib.h>
10
11 /** A hasher class for SHA-256. */
12 class CSHA256
13 {
14 private:
15     uint32_t s[8];
16     unsigned char buf[64];
17     size_t bytes;
18
19 public:
20     static const size_t OUTPUT_SIZE = 32;
21
22     CSHA256();
23     CSHA256& Write(const unsigned char* data, size_t len);
24     void Finalize(unsigned char hash[OUTPUT_SIZE]);
25     CSHA256& Reset();
26 };
27
28 #endif // BITCOIN_CRYPTO_SHA256_H
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