Bitcoin ABC  0.22.13
P2P Digital Currency
sha256.h
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1 // Copyright (c) 2014-2016 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 <cstdint>
9 #include <cstdlib>
10 #include <string>
11 
13 class CSHA256 {
14 private:
15  uint32_t s[8];
16  uint8_t buf[64];
17  uint64_t bytes;
18 
19 public:
20  static const size_t OUTPUT_SIZE = 32;
21 
22  CSHA256();
23  CSHA256 &Write(const uint8_t *data, size_t len);
24  void Finalize(uint8_t hash[OUTPUT_SIZE]);
25  CSHA256 &Reset();
26 };
27 
32 std::string SHA256AutoDetect();
33 
40 void SHA256D64(uint8_t *output, const uint8_t *input, size_t blocks);
41 
42 #endif // BITCOIN_CRYPTO_SHA256_H
uint8_t buf[64]
Definition: sha256.h:16
uint32_t s[8]
Definition: sha256.h:15
void SHA256D64(uint8_t *output, const uint8_t *input, size_t blocks)
Compute multiple double-SHA256&#39;s of 64-byte blobs.
Definition: sha256.cpp:866
CSHA256 & Reset()
Definition: sha256.cpp:860
void Finalize(uint8_t hash[OUTPUT_SIZE])
Definition: sha256.cpp:844
uint64_t bytes
Definition: sha256.h:17
CSHA256 & Write(const uint8_t *data, size_t len)
Definition: sha256.cpp:819
static const size_t OUTPUT_SIZE
Definition: sha256.h:20
CSHA256()
Definition: sha256.cpp:815
std::string SHA256AutoDetect()
Autodetect the best available SHA256 implementation.
Definition: sha256.cpp:746
A hasher class for SHA-256.
Definition: sha256.h:13