aboutsummaryrefslogtreecommitdiff
path: root/src/crypto/sha256.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/crypto/sha256.h')
-rw-r--r--src/crypto/sha256.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/src/crypto/sha256.h b/src/crypto/sha256.h
new file mode 100644
index 0000000000..a57dce0227
--- /dev/null
+++ b/src/crypto/sha256.h
@@ -0,0 +1,28 @@
+// 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_SHA256_H
+#define BITCOIN_SHA256_H
+
+#include <stdint.h>
+#include <stdlib.h>
+
+/** A hasher class for SHA-256. */
+class CSHA256
+{
+private:
+ uint32_t s[8];
+ unsigned char buf[64];
+ size_t bytes;
+
+public:
+ static const size_t OUTPUT_SIZE = 32;
+
+ CSHA256();
+ CSHA256& Write(const unsigned char* data, size_t len);
+ void Finalize(unsigned char hash[OUTPUT_SIZE]);
+ CSHA256& Reset();
+};
+
+#endif // BITCOIN_SHA256_H