--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/inc/spi/cryptoasymmetriccipherapi.h	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,218 @@
+/*
+* 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: 
+* crypto asymmetric cipher application interface
+*
+*/
+
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef __CRYPTOAPI_ASYMMETRICCIPHERAPI_H__
+#define __CRYPTOAPI_ASYMMETRICCIPHERAPI_H__
+
+#include <e32base.h>
+#include <cryptospi/cryptobaseapi.h>
+
+namespace CryptoSpi
+	{
+	class MAsymmetricCipherBase;
+	class MAsymmetricCipher;
+	class MAsyncAsymmetricCipher;
+	class CKey;
+	class CCryptoParam;
+	class CCryptoParams;
+	
+	/**
+	Asymmetric Cipher API base class
+	*/
+	NONSHARABLE_CLASS(CAsymmetricCipherBase) : public CCryptoBase
+		{
+	public:
+		/**
+		Destructor
+		*/
+		virtual ~CAsymmetricCipherBase();
+	
+		/**
+		Set the public key of this cipher. Reset() is called to reinitialise the cipher.
+		@param aKey  the public key.
+		*/
+		IMPORT_C void SetKeyL(const CKey& aKey);
+
+		/**
+		Set the crypto mode of this cipher. Reset() is called to reinitialise the cipher.
+		@param aCryptoMode crypto mode
+		*/
+		IMPORT_C void SetCryptoModeL(TUid aCryptoMode);
+
+		/**
+		Set padding Mode of this cipher. Reset() is called to reinitialise the cipher.
+		@param aPaddingMode padding mode
+		*/
+		IMPORT_C void SetPaddingModeL(TUid aPaddingMode);
+
+		/**
+		Gets the maximum size of input accepted by this object.	
+		@return	The maximum input length allowed in bytes.
+		*/	 
+		IMPORT_C TInt GetMaximumInputLengthL();
+
+		/**
+		Gets the maximum size of output that can be generated by this object.
+		@return	The maximum output length in bytes.
+		 */	 
+		IMPORT_C TInt GetMaximumOutputLengthL();
+		
+	
+	protected:
+		/**
+		Constructor
+		*/
+		CAsymmetricCipherBase(MAsymmetricCipherBase* aAsymmetricCipher, TInt aHandle);		
+		};
+
+	/**
+	Synchronous asymmetric cipher API, which wraps a synchronous asymmetric plugin implementation
+	*/
+	NONSHARABLE_CLASS(CAsymmetricCipher) : public CAsymmetricCipherBase
+		{
+	public:
+
+		/**
+		 * @internalComponent
+		 *
+		 * Create a CSyncAsymmetricCipher instance from the given MSyncAsymmetricCipher instance
+		 * @param aAsymmetricCipher a  Async Asymmetric Cipher plugin instance
+		 * @return Pointer to CSyncAsymmetricCipher
+		 */
+		static CAsymmetricCipher* NewL(MAsymmetricCipher* aAsymmetricCipher, TInt aHandle);
+
+		/**
+		Destructor
+		*/
+		IMPORT_C ~CAsymmetricCipher();
+
+
+		/**
+		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.
+		*/
+		IMPORT_C void ProcessL(const TDesC8& aInput, TDes8& aOutput);
+
+	private:
+		
+		/**
+		Constructor
+		*/
+		CAsymmetricCipher(MAsymmetricCipher* aAsymmetricCipher, TInt aHandle);
+		};
+
+	/**
+	Asynchronous asymmetric cipher API, which wraps a Asynchronous asymmetric plugin implementation
+	*/
+	NONSHARABLE_CLASS(CAsyncAsymmetricCipher) : public CAsymmetricCipherBase
+		{
+	public:
+
+		/**
+		 * @internalComponent
+		 * 
+		 * Create a CAsyncAsymmetricCipher instance from the given MAsyncAsymmetricCipher instance
+		 * @param aAsyncAsymmetricCipher an async asymmetric Cipher plugin instance
+		 * @return Pointer to CAsyncAsymmetricCipher
+		 */
+		static CAsyncAsymmetricCipher* NewL(MAsyncAsymmetricCipher* aAsyncAsymmetricCipher, TInt aHandle);
+
+		/**
+		Destructor
+		*/
+		IMPORT_C ~CAsyncAsymmetricCipher();
+
+		/**
+		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
+		*/
+		IMPORT_C void ProcessL(const TDesC8& aInput, TDes8& aOutput, TRequestStatus& aRequestStatus);
+
+		/**
+		Cancel the outstanding request
+		*/
+		IMPORT_C void Cancel();
+
+	private:
+		/**
+		Constructor
+		*/
+		CAsyncAsymmetricCipher(MAsyncAsymmetricCipher* aAsyncAsymmetricCipher, TInt aHandle);
+		};
+
+
+	/**
+	the Factory to create synchronous and asynchronous asymmetric cipher instance 
+	*/
+	class CAsymmetricCipherFactory
+		{
+	public:
+
+		/**
+		Creates a new instance of an asymmetric cipher
+		
+		@param aCipher A reference to a pointer that should be set to point to the new asymmetric cipher object.
+		@param aAlgorithmUid The asymmetric cipher algorithm to use (e.g. KRsaCipherUid)
+		@param aKey The encryption/decryption key.
+		@param aCryptoMode whether to encrypt or decrypt
+		@param aPaddingMode The padding mode to use
+		@param aAlgorithmParams Parameters that are specific to a particular algorithm. This is for extendibility and will normally be null.
+		@return KErrNone if successful; otherwise, a system wide error code.
+		*/
+		IMPORT_C static void CreateAsymmetricCipherL(
+												CAsymmetricCipher*& aCipher,
+												TUid aAlgorithmUid,
+												const CKey& aKey,
+												TUid aCryptoMode,
+												TUid aPaddingMode,
+												const CCryptoParams* aAlgorithmParams);
+
+		/**
+		Creates a new instance of an asymmetric cipher.
+		
+		@param aCipher A reference to a pointer that should be set to point to the new asymmetric cipher object.
+		@param aAlgorithmUid The asymmetric cipher algorithm to use (e.g. KRsaCipherUid)
+		@param aKey The encryption/decryption key.
+		@param aCryptoMode whether to encrypt or decrypt
+		@param aPaddingMode The padding mode to use
+		@param aAlgorithmParams Parameters that are specific to a particular algorithm. This is for extendibility and will normally be null.
+		@return KErrNone if successful; otherwise, a system wide error code.
+		*/
+		IMPORT_C static void CreateAsyncAsymmetricCipherL(
+												CAsyncAsymmetricCipher*& aCipher,
+												TUid aAlgorithmUid,
+												const CKey& aKey,
+												TUid aCryptoMode,
+												TUid aPaddingMode,
+												const CCryptoParams* aAlgorithmParams);
+		};
+		
+	}
+
+#endif //__CRYPTOAPI_ASYMMETRICCIPHERAPI_H__
+