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author | Wladimir J. van der Laan <laanwj@gmail.com> | 2014-12-01 14:57:49 +0100 |
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committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2014-12-01 14:57:58 +0100 |
commit | f0877f8b6200dcf6df12df5e69d498d365f81f8b (patch) | |
tree | dc5f63386a9c0752a62301a815d6a976286a1b42 /src/crypto/hmac_sha512.h | |
parent | 89151d9f29870cc9246f76baba75b75d3a7528d7 (diff) | |
parent | 4cdaa95a209808276992dc1eb0ed0773f7927073 (diff) | |
download | bitcoin-f0877f8b6200dcf6df12df5e69d498d365f81f8b.tar.xz |
Merge pull request #5227
4cdaa95 Resize after succesful result (Pieter Wuille)
9d8604f Header define style cleanups (Pieter Wuille)
a53fd41 Deterministic signing (Pieter Wuille)
3060e36 Add the RFC6979 PRNG (Pieter Wuille)
a8f5087 Add HMAC-SHA256 (Pieter Wuille)
36fa4a7 Split up crypto/sha2 (Pieter Wuille)
Diffstat (limited to 'src/crypto/hmac_sha512.h')
-rw-r--r-- | src/crypto/hmac_sha512.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/crypto/hmac_sha512.h b/src/crypto/hmac_sha512.h new file mode 100644 index 0000000000..17d75021aa --- /dev/null +++ b/src/crypto/hmac_sha512.h @@ -0,0 +1,32 @@ +// Copyright (c) 2014 The Bitcoin developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_CRYPTO_HMAC_SHA512_H +#define BITCOIN_CRYPTO_HMAC_SHA512_H + +#include "crypto/sha512.h" + +#include <stdint.h> +#include <stdlib.h> + +/** A hasher class for HMAC-SHA-512. */ +class CHMAC_SHA512 +{ +private: + CSHA512 outer; + CSHA512 inner; + +public: + static const size_t OUTPUT_SIZE = 64; + + CHMAC_SHA512(const unsigned char* key, size_t keylen); + CHMAC_SHA512& Write(const unsigned char* data, size_t len) + { + inner.Write(data, len); + return *this; + } + void Finalize(unsigned char hash[OUTPUT_SIZE]); +}; + +#endif // BITCOIN_CRYPTO_HMAC_SHA512_H |