1 files changed, 62 insertions, 0 deletions
diff --git a/src/pubkey/ecdsa/ecdsa_op.h b/src/pubkey/ecdsa/ecdsa_op.h
new file mode 100644
index 000000000..235824b89
--- /dev/null
+++ b/src/pubkey/ecdsa/ecdsa_op.h
@@ -0,0 +1,62 @@
+/*************************************************
+* ECDSA Operations Header File                   *
+* (C) 1999-2008 Jack Lloyd                       *
+* (C) 2007 FlexSecure GmbH                       *
+*************************************************/
+
+#ifndef BOTAN_ECDSA_OPERATIONS_H__
+#define BOTAN_ECDSA_OPERATIONS_H__
+
+#include <botan/ec_dompar.h>
+#include <botan/rng.h>
+
+namespace Botan {
+
+/*************************************************
+* ECDSA Operation                               *
+*************************************************/
+class BOTAN_DLL ECDSA_Operation
+   {
+   public:
+      virtual bool verify(const byte sig[], u32bit sig_len,
+                          const byte msg[], u32bit msg_len) const = 0;
+
+      virtual SecureVector<byte> sign(const byte message[],
+                                      u32bit mess_len,
+                                      RandomNumberGenerator&) const = 0;
+
+      virtual ECDSA_Operation* clone() const = 0;
+
+      virtual ~ECDSA_Operation() {}
+   };
+
+
+/*************************************************
+* Default ECDSA operation                        *
+*************************************************/
+class Default_ECDSA_Op : public ECDSA_Operation
+   {
+   public:
+      bool verify(const byte signature[], u32bit sig_len,
+                  const byte message[], u32bit mess_len) const;
+
+      SecureVector<byte> sign(const byte message[], u32bit mess_len,
+                              RandomNumberGenerator& rng) const;
+
+      ECDSA_Operation* clone() const
+         {
+         return new Default_ECDSA_Op(*this);
+         }
+
+      Default_ECDSA_Op(const EC_Domain_Params& dom_pars,
+                       const BigInt& priv_key,
+                       const PointGFp& pub_key);
+   private:
+      EC_Domain_Params m_dom_pars;
+      PointGFp m_pub_key;
+      BigInt m_priv_key;
+   };
+
+}
+
+#endif