--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/asymmetric/dsashim.h	Fri Nov 06 13:21:00 2009 +0200
@@ -0,0 +1,138 @@
+/*
+* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+* DSA shim classes definition
+*
+*/
+
+
+/**
+ @file
+ @internalComponent
+ @released
+*/
+
+#ifndef __DSASHIM_H__
+#define __DSASHIM_H__
+
+#include <asymmetric.h>
+
+namespace CryptoSpi
+	{
+	class CSigner;
+	class CVerifier;
+	class CKey;
+	}
+	
+NONSHARABLE_CLASS(CDsaSignerShim) : public CDSASigner
+{
+public:
+	/**
+	Creates an CDsaSignerShim object which has the same interface
+	as CDSASigner but delegates all work to a Crypto SPI plug-in.
+	
+	@param aKey The signing key
+	@return A pointer to a CDsaSignerShim instance
+	*/
+	static CDsaSignerShim* NewL(const CDSAPrivateKey& aKey);
+	
+	/**
+	Creates an CDsaSignerShim object which has the same interface
+	as CDSASigner but delegates all work to a Crypto SPI plug-in.
+	
+	A pointer to the new object is placed on the cleanup stack
+	
+	@param aKey The signing key
+	@return A pointer to a CDsaSignerShim instance
+	*/
+	static CDsaSignerShim* NewLC(const CDSAPrivateKey& aKey);
+	
+	/**
+	Digitally signs the specified input message 
+	Note that in order to be interoperable and compliant with the DSS, aInput
+	must be the result of a SHA-1 hash.
+
+	@param aInput	A SHA-1 hash of the message to sign
+	@return			A pointer to a new CSignature object
+	@panic ECryptoPanicInputTooLarge	If aInput is larger than MaxInputLength(),
+										which is likely to happen if the caller
+										has passed in something that has not been hashed.
+	*/
+	virtual CDSASignature* SignL(const TDesC8& aInput) const;
+
+	//From MSignatureSystem
+	virtual TInt MaxInputLength() const;
+	
+	/// Destructor
+	~CDsaSignerShim();
+	
+private:
+	/// Constructor
+	CDsaSignerShim(const CDSAPrivateKey& aKey);
+	void ConstructL(const CDSAPrivateKey& aKey);
+	
+private:
+	/// SPI delegate
+	CryptoSpi::CSigner* iSignerImpl;
+		
+	/// SPI requires all key to passed as key-objects
+	CryptoSpi::CKey* iKey;
+};
+
+NONSHARABLE_CLASS(CDsaVerifierShim) : public CDSAVerifier
+{
+public:
+	/**
+	Creates an CDsaVerifierShim object which has the same interface
+	as CDSAVerifier but delegates all work to a Crypto SPI plug-in.
+	
+	@param aKey The verification key
+	@return A pointer to a CDsaVerifierShim instance
+	*/
+	static CDsaVerifierShim* NewL(const CDSAPublicKey& aKey);
+	
+	/**
+	Creates an CDsaVerifierShim object which has the same interface
+	as CDSAVerifier but delegates all work to a Crypto SPI plug-in.
+
+	A pointer to the new object is placed on the cleanup stack
+
+	@param aKey The verification key
+	@return A pointer to a CDsaVerifierShim instance
+	*/
+	static CDsaVerifierShim* NewLC(const CDSAPublicKey& aKey);
+
+	//From CVerifier	
+	virtual TBool VerifyL(const TDesC8& aInput, const CDSASignature& aSignature) const;
+
+	//From MSignatureSystem
+	virtual TInt MaxInputLength() const;
+
+	// Destructor
+	~CDsaVerifierShim();
+	
+private:
+	// Constructor
+	CDsaVerifierShim(const CDSAPublicKey& aKey);
+	void ConstructL(const CDSAPublicKey& aKey);
+	
+private:
+	/// SPI delegate
+	CryptoSpi::CVerifier* iVerifierImpl;
+	
+	/// SPI requires all key to passed as key-objects
+	CryptoSpi::CKey* iKey;
+};
+
+#endif // __DSASHIM_H__