diff -r 000000000000 -r bde4ae8d615e os/security/crypto/weakcryptospi/inc/spi/asymmetriccipherplugin.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/security/crypto/weakcryptospi/inc/spi/asymmetriccipherplugin.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,121 @@
+/*
+* 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: 
+* Asymmetric cipher abstract interface
+*
+*/
+
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef __CRYPTOAPI_ASYMMETRICCIPHER_H__
+#define __CRYPTOAPI_ASYMMETRICCIPHER_H__
+
+#include <cryptospi/cryptoplugin.h>
+
+namespace CryptoSpi
+	{
+	/**
+	The Asymmetric Cipher Base definition. Intended to allow plug-ins
+	to implement extensible Asymmetric cipher functionality, and to work with all
+	known existing Asymmetric algorithms, e.g. RSA DSA etc
+	*/
+	class MAsymmetricCipherBase : public MPlugin
+		{
+	public:
+		
+		/**
+		Set the public key of this cipher. Reset() is called to reinitialise the cipher.
+		@param aKey	The public key.
+		@leave KErrArgument if aKey is not of the expected type.
+		@leave KErrNotSupported if the key is not of valid length.
+		@leave ...	Any of the crypto error codes defined in 
+  					cryptospi_errs.h or any of the system-wide error codes.
+		*/
+		virtual void SetKeyL(const CKey& aKey) = 0;
+
+		/**
+		Set the crypto mode of this cipher. Reset() is called to reinitialise the cipher.
+		@param aCryptoMode	The crypto mode
+		@leave KErrNotSupported if the specified mode is not supported.
+		@leave ...	Any of the crypto error codes defined in 
+  					cryptospi_errs.h or any of the system-wide error codes.
+		*/
+		virtual void SetCryptoModeL(TUid aCryptoMode) = 0;
+
+		/**
+		Set padding Mode of this cipher. Reset() is called to reinitialise the cipher.
+		@param aPaddingMode	The padding mode
+		@leave	KErrNotSupported if the specified mode is not supported.
+		@leave ...	Any of the crypto error codes defined in 
+  					cryptospi_errs.h or any of the system-wide error codes.
+		*/
+		virtual void SetPaddingModeL(TUid aPaddingMode) = 0;
+
+		/**
+		Gets the maximum size of input accepted by this object.	
+		@return The maximum input length allowed in bytes.
+		@leave ...	Any of the crypto error codes defined in 
+  					cryptospi_errs.h or any of the system-wide error codes.
+		*/	 
+		virtual TInt GetMaximumInputLengthL() const = 0;
+
+		/**
+		Gets the maximum size of output that can be generated by this object.
+		@return The maximum output length in bytes.
+		@leave ...	Any of the crypto error codes defined in 
+  					cryptospi_errs.h or any of the system-wide error codes.
+		 */	 
+		virtual TInt GetMaximumOutputLengthL() const = 0;
+		};
+
+	class MAsymmetricCipher : public MAsymmetricCipherBase
+		{
+	public:
+		/**
+		Encrypts or decrypts aInput and appends the result to aOutput.
+		@param aInput	The input data to be processed.
+		@param aOutput	The resulting processed data appended to aOutput.
+		@leave ...	Any of the crypto error codes defined in 
+  					cryptospi_errs.h or any of the system-wide error codes.
+		*/
+		virtual void ProcessL(const TDesC8& aInput, TDes8& aOutput) = 0;
+		};
+
+	class MAsyncAsymmetricCipher : public MAsymmetricCipherBase
+		{
+	public:
+
+		/**
+		Encrypts or decrypts aInput and appends the result to aOutput asynchronously
+		@param aInput	The input data to be processed.
+		@param aOutput	The resulting processed data appended to aOutput.
+		@param aRequestStatus
+		@leave ...	Any of the crypto error codes defined in 
+  					cryptospi_errs.h or any of the system-wide error codes.
+		*/
+		virtual void ProcessL(const TDesC8& aInput, TDes8& aOutput, TRequestStatus& aRequestStatus) = 0;
+
+		/**
+		Cancel the outstanding request
+		*/
+		virtual void Cancel() = 0;
+		};
+	}
+
+#endif //__CRYPTOAPI_ASYMMETRICCIPHER_H__