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-rw-r--r--src/crypto/sha1.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/crypto/sha1.h b/src/crypto/sha1.h
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+// 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