store headers only once, refs #7

actlibrary/include/actIKeyDerivation.h

@@ -0,0 +1,70 @@
+// ---------------------------------------------------------------------------
+// Name:      actIKeyDerivation.h
+// Product:   cv act library
+// Purpose:   IKeyDerivation for general prupose
+//
+// Copyright: (c) 2003-2010 cv cryptovision GmbH
+//            all rights reserved
+// Licence:   The conditions for the use of this software are regulated 
+//            in the cv act library licence agreement.
+//
+// Autor:	  Ulrich Birkenhauer
+//			  Markus Tesche
+// Date:	  07/05/2010
+// ---------------------------------------------------------------------------
+
+#ifndef ACT_IKeyDerivation_h
+#define ACT_IKeyDerivation_h
+
+#include "actMove.h"
+#include "actMode.h"
+
+#include "actIParam.h"
+#include "actIRefCounted.h"
+
+namespace act
+{
+	enum KDParam
+	{
+		KD_DATA			= SALT,
+		KD_HASH			= HASH,
+		KD_SERIAL		= SERIALNR,
+		KD_DERIVATOR	= DERIVATOR,
+		KD_MODE			= BCMODE,		// key configuration
+		KD_PADDING		= PADDING,		// key configuration
+	};
+
+	enum KDMode
+	{
+		KD_MODE_DEFAULT = 0,
+		KD_MODE_CARD_MANAGER,
+
+		KD_MODE_LAST
+	};
+
+	class IKeyDerivation;
+	class IBlockCipherKey;
+
+	typedef void (*DerivationFunc)(IKeyDerivation* owner, const Blob& data,
+		Blob& k_enc, Blob& k_mac, Blob& k_kek);
+
+	//
+	// IKeyDerivation
+	class IKeyDerivation
+		: public IParam
+		, public IRefCounted
+	{
+	public:
+		virtual Blob Derive(const Blob& deriveData) = 0;
+		virtual void Derive(uint mode, const Blob& data, Blob& k_enc, Blob& k_mac) = 0;
+		virtual void Derive(uint mode, const Blob& data, Blob& k_enc, Blob& k_mac, Blob& k_kek) = 0;
+
+		virtual void SetKey(IBlockCipherKey* key) = 0;
+		//
+		// If mode already registered, it will be overwritten and the previous will be returned.
+		virtual DerivationFunc Register(uint mode, DerivationFunc df) = 0;
+	};
+
+} // namespace act
+
+#endif // ACT_IKeyDerivation_h