diff -r 000000000000 -r bde4ae8d615e os/security/crypto/weakcryptospi/source/symmetric/bufferedtransformationshim.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/security/crypto/weakcryptospi/source/symmetric/bufferedtransformationshim.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,99 @@
+/*
+* 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: 
+*
+*/
+
+
+#ifndef __BUFFEREDTRANSFORMATIONSHIM_H__
+#define __BUFFEREDTRANSFORMATIONSHIM_H__
+
+#include <bufferedtransformation.h>
+
+/**
+@file
+@internalComponent
+@released
+*/
+
+namespace CryptoSpi 
+	{
+	class CSymmetricCipher;
+	}
+
+/**
+ Shim class that delegates all operations to an Crypto Spi object.
+ This object is constructed automatically by CBufferedEncryptorShim and should
+ not be used directly.
+ */
+NONSHARABLE_CLASS(CBufferedEncryptorShim) : public CBufferedEncryptor
+{
+public:
+	/**
+	Creates a new CBufferedEncryptorShim.
+	N.B. It is the reponsiblity of the CALLER to check that block transform
+	object contains an SPI delegate and that the delegate supports the specified
+	padding mode.
+	*/
+	static CBufferedEncryptorShim* NewL(CBlockTransformation* aBT, CPadding* aPadding);
+	
+	// From CBufferedTransformation
+	void Process(const TDesC8& aInput, TDes8& aOutput);
+	TInt MaxOutputLength(TInt aInputLength) const;
+	void Reset();
+	TInt BlockSize() const;
+	TInt KeySize() const;	
+	void ProcessFinalL(const TDesC8& aInput, TDes8& aOutput);
+	TInt MaxFinalOutputLength(TInt aInputLength) const;
+private:	
+	CBufferedEncryptorShim(CryptoSpi::CSymmetricCipher* aSymmetricCipherImpl);
+	void ConstructL(CBlockTransformation* aBT, CPadding* aPadding);
+	
+	// owned by block transform - iBT
+	CryptoSpi::CSymmetricCipher* iSymmetricCipherImpl;
+};
+
+/**
+ Shim class that delegates all operations to an Crypto Spi object.
+ This object is constructed automatically by CBufferedEncryptorShim and should
+ not be used directly.
+ */
+NONSHARABLE_CLASS(CBufferedDecryptorShim) : public CBufferedDecryptor
+{
+public:
+	/**
+	Creates a new CBufferedDecryptorShim.
+	N.B. It is the reponsiblity of the CALLER to check that block transform
+	object contains an SPI delegate and that the delegate supports the specified
+	padding mode.
+	*/
+	static CBufferedDecryptorShim* NewL(CBlockTransformation* aBT, CPadding* aPadding);
+	
+	// From CBufferedTransformation	
+	void Process(const TDesC8& aInput, TDes8& aOutput);
+	TInt MaxOutputLength(TInt aInputLength) const;
+	void Reset();
+	TInt BlockSize() const;
+	TInt KeySize() const;	
+	void ProcessFinalL(const TDesC8& aInput, TDes8& aOutput);
+	TInt MaxFinalOutputLength(TInt aInputLength) const;
+private:	
+	CBufferedDecryptorShim(CryptoSpi::CSymmetricCipher* aSymmetricCipherImpl);
+	void ConstructL(CBlockTransformation* aBT, CPadding* aPadding);
+	
+	// owned by block transform - iBT
+	CryptoSpi::CSymmetricCipher* iSymmetricCipherImpl;
+};
+
+#endif	//	__BUFFEREDTRANSFORMATIONSHIM_H__