Bitcoin Core  0.20.99
P2P Digital Currency
sha512.h
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1 // Copyright (c) 2014-2019 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_SHA512_H
6 #define BITCOIN_CRYPTO_SHA512_H
7 
8 #include <stdint.h>
9 #include <stdlib.h>
10 
12 class CSHA512
13 {
14 private:
15  uint64_t s[8];
16  unsigned char buf[128];
17  uint64_t bytes;
18 
19 public:
20  static constexpr size_t OUTPUT_SIZE = 64;
21 
22  CSHA512();
23  CSHA512& Write(const unsigned char* data, size_t len);
24  void Finalize(unsigned char hash[OUTPUT_SIZE]);
25  CSHA512& Reset();
26  uint64_t Size() const { return bytes; }
27 };
28 
29 #endif // BITCOIN_CRYPTO_SHA512_H
uint64_t s[8]
Definition: sha512.h:15
void Finalize(unsigned char hash[OUTPUT_SIZE])
Definition: sha512.cpp:185
unsigned char buf[128]
Definition: sha512.h:16
CSHA512 & Reset()
Definition: sha512.cpp:202
uint64_t bytes
Definition: sha512.h:17
static constexpr size_t OUTPUT_SIZE
Definition: sha512.h:20
uint64_t Size() const
Definition: sha512.h:26
CSHA512()
Definition: sha512.cpp:154
CSHA512 & Write(const unsigned char *data, size_t len)
Definition: sha512.cpp:159
A hasher class for SHA-512.
Definition: sha512.h:12