1 files changed, 29 insertions, 0 deletions
diff --git a/src/lib/pubkey/rfc6979/rfc6979.h b/src/lib/pubkey/rfc6979/rfc6979.h
new file mode 100644
index 000000000..1084fe623
--- /dev/null
+++ b/src/lib/pubkey/rfc6979/rfc6979.h
@@ -0,0 +1,29 @@
+/*
+* RFC 6979 Deterministic Nonce Generator
+* (C) 2014 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_RFC6979_GENERATOR__
+#define BOTAN_RFC6979_GENERATOR__
+
+#include <botan/bigint.h>
+#include <string>
+
+namespace Botan {
+
+/**
+* @param x the secret (EC)DSA key
+* @param q the group order
+* @param h the message hash already reduced mod q
+* @param hash the hash function used to generate h
+*/
+BigInt BOTAN_DLL generate_rfc6979_nonce(const BigInt& x,
+                                        const BigInt& q,
+                                        const BigInt& h,
+                                        const std::string& hash);
+
+}
+
+#endif