--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/inc/spi/hashplugin.h	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,181 @@
+/*
+* 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: 
+* hash plugin interface
+*
+*/
+
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef __HashPlugin_h__
+#define __HashPlugin_h__
+
+#include <cryptospi/cryptoplugin.h>
+
+namespace CryptoSpi
+	{
+	class CKey;
+	/**
+	The generic CryptoSPI hash definition. Intended to allow plug-ins
+	to implement extensible hash functionality, and to work with all
+	known existing hashing algorithms, e.g. MD2, MD4, MD5, SHA-1,
+	SHA-256, SHA-512, RIPEMD-160, etc.
+	*/
+	class MHash : public MPlugin
+	    {
+	public:
+		/**
+		Adds aMessage to the internal representation of data to be hashed,
+		then returns a TPtrC8 of the finalised hash of all the previously
+		appended messages.
+
+		@param aMessage  The data to be included in the hash.
+		@return A descriptor pointer to the buffer containing the resulting hash.
+		*/
+		virtual TPtrC8 Hash(const TDesC8& aMessage) = 0;    // Combination of Update and Final
+
+		/**
+		Adds data to the internal representation of messages to be hashed.
+		@param aMessage	The data to be included in the hash.
+		*/
+		virtual void Update(const TDesC8& aMessage) = 0;
+
+		/**
+		Produces a final hash value from all the previous updates of data
+		to be hashed.
+		@param aMessage	The data to be included in the hash.
+		*/
+		virtual TPtrC8 Final(const TDesC8& aMessage) = 0;
+
+		/**
+		Creates a brand new reset MHash object containing no state
+		information from the current object.  
+
+		To make a copy of a message digest with its internal state intact,
+		see CopyL().
+		@return A pointer to the new reset MHash object
+		*/
+		virtual MHash* ReplicateL() = 0;		
+
+		/** 
+		Creates a new MHash object with the exact same state as
+		the current object.  
+
+		This function copies all internal state of the message digest.
+		To create a new MHash object without the state of
+		the current object, see ReplicateL().
+		@return A pointer to the new MHash object
+		*/
+		virtual MHash* CopyL() = 0;
+		
+		/**
+		 * @deprecated
+		 * 
+		 * Set the key used for HMAC mode operation.
+		 * @param aKey	The key for HMAC
+		 */
+		virtual void SetKeyL(const CKey& aKey) = 0;
+			
+		/**
+		 * @deprecated
+		 * 
+		 * Set the operation mode, ie hash or hmac
+		 * @param aOperationMode	The UID to identifiy the operation mode
+		 */		
+		virtual void SetOperationModeL(TUid aOperationMode) = 0;
+	    };
+
+
+	class MAsyncHash: public MPlugin
+	    {
+    public:
+		/**
+		 * Adds aMessage to the internal representation of data to be hashed,
+		 * then returns a TPtrC8 of the finalised hash of all the previously
+		 * appended messages.
+		 *
+		 * @param aMessage	The data to be included in the hash.
+		 * @param aHash A descriptor pointer to the buffer containing the resulting hash.
+		 * @param aStatus
+		 */
+		virtual void Hash(const TDesC8& aMessage, TPtrC8 aHash, TRequestStatus& aStatus) = 0;    // Combination of Update and Final
+
+		/**
+		 * Adds data to the internal representation of messages to be hashed.
+		 * @param aMessage	The data to be included in the hash.
+		 * @param aStatus
+		 */
+		virtual void Update(const TDesC8& aMessage, TRequestStatus& aStatus) = 0;
+
+		/**
+		 * Produces a final hash value from all the previous updates of data
+		 * to be hashed.
+		 * @param aMessage  Data to be included in the hash.
+		 * @param aFinal A descriptor pointer to the buffer containing the resulting hash.
+		 * @param aStatus
+		 */
+		virtual void Final(const TDesC8& aMessage, TPtrC8 aFinal, TRequestStatus& aStatus) = 0;
+
+		/**
+		 * Cancel an outstanding request
+		 */
+		virtual void Cancel() = 0;
+
+		/**
+		Creates a brand new reset MAsyncHash object containing no state
+		information from the current object.  
+
+		To make a copy of a message digest with its internal state intact,
+		see CopyL().
+
+		@return A pointer to the new reset MAsyncHash object
+		*/
+		virtual MAsyncHash* ReplicateL() = 0;		
+
+		/** 
+		Creates a new MAsyncHash object with the exact same state as
+		the current object.  
+
+		This function copies all internal state of the message digest.
+		To create a new MAsyncHash object without the state of
+		the current object, see ReplicateL().
+
+		@return A pointer to the new MAsyncHash object
+		*/
+		virtual MAsyncHash* CopyL() = 0;
+		
+		/**
+		 * @deprecated
+		 * 
+		 * Set the key used for HMAC mode operation.
+		 * @param aKey	The key for HMAC
+		 */
+		virtual void SetKeyL(const CKey& aKey) = 0;
+			
+		/**
+		 * @deprecated
+		 * 
+		 * Set the operation mode, ie hash or hmac
+		 * @param aOperationMode	The UID to identifiy the operation mode
+		 */		
+		virtual void SetOperationModeL(TUid aOperationMode) = 0;
+	    };	
+	}
+
+#endif  // __HashPlugin_h__