--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/emailstore/message_store/server/inc/ContainerStoreEncryption.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,113 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:  Container store encryption.
+*
+*/
+
+
+
+#ifndef __CONTAINER_STORE_ENCRYPTION_H__
+#define __CONTAINER_STORE_ENCRYPTION_H__
+
+// ========
+// INCLUDES
+// ========
+
+#include <e32base.h>
+#include <s32strm.h>
+//<cmail>
+#include "DebugLogMacros.h"
+//</cmail>
+
+#include "ContainerStoreGeneralTable.h"
+
+class CCryptoBase;
+
+// =======
+// CLASSES
+// =======
+
+// ================================ 
+// CLASS: CContainerStoreEncryption
+// ================================ 
+class CContainerStoreEncryption : public CBase
+	{
+	public:
+
+        // ==============
+        // PUBLIC METHODS
+        // ==============
+        		
+		static CContainerStoreEncryption* NewL();
+		
+		virtual ~CContainerStoreEncryption();
+		
+		TBool Authenticated();
+		
+		void ClearAuthentication();
+
+		void CreateAuthenticationBufferL( const TDesC& aPassword, RBuf8& aAuthenticationBuffer );
+		
+		TBool AuthenticateL( const TDesC& aPassword, const TDesC8& aAuthenticationBuffer );
+
+        // Leaves if the store isn't authenticated
+        void CheckForAuthenticationL();
+        
+        //This variable is kept in this class for performance
+        TBool IsAuthenticationRequired() { return iAuthenticationRequired; };
+        
+        void SetAuthenticationRequired( TBool aFlag ) { iAuthenticationRequired = aFlag; };
+					
+        TBool IsEncryptionOn(){ return iEncryptionFlag; } ;
+        
+        void SetEncryptionFlag( TBool aFlag ) { iEncryptionFlag = aFlag; };
+        
+        void DecryptL( const TDesC8& aEncryptedBuffer,
+                    TDes8&        aUnencryptedBuffer );
+        
+        void EncryptL( const TDesC8& aUnencryptedBuffer,
+                    TDes8&        aEncryptedBuffer );
+        
+        void AddPaddingL( TDes8& aBuffer,
+                       TInt   aBlockLength );
+                       
+        void RemovePaddingL( TDes8& aBuffer );
+        
+        // All input buffers must be a multiple of this block size.
+        TInt BlockSizeL();
+        
+	private:
+	
+        // ===============
+        // PRIVATE METHODS
+        // ===============
+        		
+		CContainerStoreEncryption();	
+		
+		void PasswordToEncryptionKeyL( const TDesC& aPassword, RBuf8& aEncryptionKey );
+		
+        // ==================
+        // PRIVATE ATTRIBUTES
+        // ==================
+        		
+		CCryptoBase* iCryptoLibrary;
+		
+        TBool        iAuthenticationRequired;
+		TBool        iEncryptionFlag;  //encryption on/off
+		
+		__LOG_DECLARATION
+		
+	}; // end class CContainerStoreEncryption
+
+#endif