--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/inc/spi/cryptokeyagreementapi.h	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,162 @@
+/*
+* 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 key agreement application interface
+*
+*/
+
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef __CRYPTOAPI_KEYAGREEMENTAPI_H__
+#define __CRYPTOAPI_KEYAGREEMENTAPI_H__
+
+#include <e32base.h>
+#include <cryptospi/cryptobaseapi.h>
+
+namespace CryptoSpi
+	{
+	class MKeyAgreement;
+	class MAsyncKeyAgreement;
+	class CKey;
+	class CCryptoParams;
+
+	/**
+	Synchronous Key Agreement, which wraps a synchronous Key Agreement plugin implementation
+	*/
+	NONSHARABLE_CLASS(CKeyAgreement) : public CCryptoBase
+		{
+	public:
+
+		/**
+		 * @internalComponent
+		 *
+		 * Create a CKeyAgreement instance from the given MKeyAgreement instance
+		 * @param aKeyAgreement	The key agreement plugin instance
+		 * @return A pointer to a CKeyAgreement instance
+		 */
+		static CKeyAgreement* NewL(MKeyAgreement* aKeyAgreement, TInt aHandle);
+
+		/**
+		Destructor
+		*/
+		IMPORT_C ~CKeyAgreement();
+
+		/**
+		Set the private key for this keyagreement. Reset() is called to reinitialized the keyAgreement
+		@param aSelfPrivateKey	The private key of one of the parties
+		@param aParams	The parameters shared between both parties
+		*/
+		IMPORT_C void SetKeyL(const CKey& aSelfPrivateKey, const CCryptoParams* aParams);
+
+		/**
+		Performs the key agreement operation.
+		@param aOtherPublicKey	The public key of the other party
+		@param aParams	The parameters shared between both parties
+		@return A pointer to a CKey instance containing the agreed key
+		*/
+		IMPORT_C CKey* AgreeL(const CKey& aOtherPublicKey, const CCryptoParams* aParams);
+
+	private:
+		/**
+		Constructor
+		*/
+		CKeyAgreement(MKeyAgreement* aKeyAgreement, TInt aHandle);
+		};
+
+	/**
+	Asynchronous Key Agreement, which wraps a asynchronous Key Agreement plugin implementation
+	*/
+	NONSHARABLE_CLASS(CAsyncKeyAgreement) : public CCryptoBase
+		{
+	public:
+		/**
+		 * @internalComponent
+		 *
+		 * Create a CKeyAgreement instance from the given MKeyAgreement instance
+		 * @param aKeyAgreement The async key agreement plugin instance
+		 * @return A pointer to a CKeyAgreement instance
+		 */
+		static CAsyncKeyAgreement* NewL(MAsyncKeyAgreement* aKeyAgreement, TInt aHandle);
+		
+		/**
+		Destructor
+		*/
+		IMPORT_C ~CAsyncKeyAgreement();
+		
+		/**
+		Set the private key for this keyagreement. Reset() is called to reinitialized the keyAgreement
+		@param aSelfPrivateKey	The private key of one of the parties
+		@param aParams	The parameters shared between both parties
+		*/
+		IMPORT_C void SetKeyL(const CKey& aSelfPrivateKey, const CCryptoParams* aParams);
+		
+		
+		/**
+		Performs the key agreement operation.
+		@param aOtherPublicKey	The public key of the other party
+		@param aKey A pointer to a CKey instance containing the agreed key
+		@param aParams	The parameters shared between both parties
+		@param aRequestStatus
+		*/
+		IMPORT_C void AgreeL(const CKey& aOtherPublicKey, CKey& aKey, const CCryptoParams* aParams, TRequestStatus& aRequestStatus);
+
+	private:
+		/**
+		Constructor
+		*/
+		CAsyncKeyAgreement(MAsyncKeyAgreement* aKeyAgreement, TInt aHandle);
+		};
+
+	/**
+	the Factory to create synchronous and asynchronous keyagreement instances
+	*/
+	class CKeyAgreementFactory
+		{
+	public:
+		/**
+		Creates a new instance of a key agreement system.
+
+		@param aKeyAgreement A reference to a pointer that should be set to point to the new key agreement object.
+		@param aAlgorithmUid The algorithm to use
+		@param aPrivateKey The private key to combine with the other parties public key during the agreement.
+		@param aAlgorithmParams The 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 CreateKeyAgreementL(CKeyAgreement*& aKeyAgreement,
+												TUid aAlgorithmUid,
+												const CKey& aPrivateKey,
+												const CCryptoParams* aAlgorithmParams);
+
+		/**
+		Creates a new asynchronous instance of a key agreement system.
+
+		@param aKeyAgreement A reference to a pointer that should be set to point to the new key agreement object.
+		@param aAlgorithmUid The algorithm to use
+		@param aPrivateKey The private key to combine with the other parties public key during the agreement.
+		@param aAlgorithmParams The 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 CreateAsyncKeyAgreementL(CAsyncKeyAgreement*& aKeyAgreement,
+													TUid aAlgorithmUid,
+													const CKey& aPrivateKey,
+													const CCryptoParams* aAlgorithmParams);
+		};
+	}
+
+#endif //__CRYPTOAPI_KEYAGREEMENTAPI_H__