store headers only once, refs #7

actlibrary/include/actIDerivator.h

@@ -0,0 +1,45 @@
+//////////////////////////////////////////////////////////////////////////////////
+// Name:      actIDerivator.h
+// Product:   cv act library
+// Purpose:   This interface provides a shared secret key (the last step in 
+//            a Key Agreement Scheme).
+//
+// Copyright: (c) 2006 cv cryptovision GmbH
+//            all rights reserved
+// Licence:   The conditions for the use of this software are regulated 
+//            in the cv act library licence agreement.
+//////////////////////////////////////////////////////////////////////////////////
+
+#ifndef ACT_IDerivator_h
+#define ACT_IDerivator_h
+
+#include"actBasics.h"
+
+namespace act
+{
+	class Blob;
+
+	class IDerivator
+	{
+	public:
+		virtual IDerivator* Clone() const=0;
+
+		virtual void Import(const Blob &blob)=0;
+		virtual void Export(Blob &blob) const=0;
+
+		virtual void SetParam(paramid_t id,const Blob &blob)=0;
+		virtual void SetParam(paramid_t id,int val)=0;
+		virtual void SetParam(paramid_t id,const char* cstr)=0;
+		virtual void GetParam(paramid_t id,Blob &blob) const=0;
+		virtual int  GetParam(paramid_t) const=0;
+
+		virtual void Derive(const Blob& secret, const Blob& salt, Blob& keymat) const=0;
+
+		virtual void* GetCreatePointer() const =0;
+		virtual ~IDerivator() {}
+	};
+} // namespace act
+
+#endif
+
+