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Diffstat (limited to 'src/crypto/sha1.h')
-rw-r--r-- | src/crypto/sha1.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/crypto/sha1.h b/src/crypto/sha1.h new file mode 100644 index 0000000000..8fb20810be --- /dev/null +++ b/src/crypto/sha1.h @@ -0,0 +1,28 @@ +// 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_SHA1_H +#define BITCOIN_CRYPTO_SHA1_H + +#include <stdint.h> +#include <stdlib.h> + +/** A hasher class for SHA1. */ +class CSHA1 +{ +private: + uint32_t s[5]; + unsigned char buf[64]; + uint64_t bytes; + +public: + static const size_t OUTPUT_SIZE = 20; + + CSHA1(); + CSHA1& Write(const unsigned char* data, size_t len); + void Finalize(unsigned char hash[OUTPUT_SIZE]); + CSHA1& Reset(); +}; + +#endif // BITCOIN_CRYPTO_SHA1_H |