--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/source/symmetric/bufferedtransformationshim.h Fri Nov 06 13:21:00 2009 +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__