--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/realtimenetprots/sipfw/SIP/SIPSec/DigestPlugin/inc/CSIPSecChallengeMD5.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,148 @@
+/*
+* Copyright (c) 2008-2009 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:
+* Name          : CSIPSecChallengeMD5.h
+* Part of       : SIPSec/DigestPlugin
+* Version       : SIP/6.0
+*
+*/
+
+
+
+
+/**
+ @internalComponent
+*/
+
+#ifndef __CSIPSEC_CHALLENGEMD5_H__
+#define __CSIPSEC_CHALLENGEMD5_H__
+
+// INCLUDES
+#include "CSIPSecChallenge.h"
+#include "MSIPSecAlgorithm.h"
+
+// CONSTANTS
+
+// CLASS DECLARATION
+
+/**
+ * @brief Class representing MD5 challenge received in 401/407 response
+ * 
+ * @class CSIPSecChallengeMD5 CSIPSecChallengeMD5.h "CSIPSecChallengeMD5.h"
+ *
+ * This class provides to means to process MD5 challenge, which includes
+ * calculating digest response based  on challenge values and data in outgoing
+ *  SIP request.
+ * Class also provides function to calculate secret data, which is hashed value
+ * of concatenation of username, realm and password. 
+ */
+class CSIPSecChallengeMD5 : public CSIPSecChallenge,
+                            public MSIPSecAlgorithm
+    {
+public: // Constructors and destructor
+
+    /**
+    * Constructs the object, and pushes it to cleanupstack.
+    * @param aType the type of challenge
+    * @param aAuthenticateHeader SIP authenticate header
+    * @param aQop qop of the challenge
+    * @return Return the CSIPSecChallengeMD5 object    
+    */
+    static CSIPSecChallengeMD5*
+    	NewLC( CSIPSecDigest::TChallengeType aType,
+    	       CSIPAuthenticateHeaderBase& aAuthenticateHeader,
+    	       CSIPSecRequestData::TQop aQop );
+
+    /**
+    * Destructor
+    */
+    ~CSIPSecChallengeMD5();
+
+public: // From CSIPSecChallenge
+
+    inline MSIPSecAlgorithm& Algorithm() 
+        {
+        return *this;
+        }
+
+	void VerifyTypeL( CSIPSecUserRecord::TType aType ) const;
+
+	CSIPSecUserRecord* CreateUserRecordL( const TDesC8& aRealm,
+										  const MSIPSecUser& aUser,
+										  TRegistrationId aRegistrationId,
+									      TTransactionId aTransactionId,
+									      TUint aResponseCode ) const;
+
+public: // From MSIPSecAlgorithm
+
+    RStringF AlgorithmName() const;
+    
+    TBool ProcessResponseL( TSIPSecDigestCtxSetup& aContext,
+    			 			TBool& aAskCredentials ) const;
+
+    void ProcessRequestL( TSIPSecDigestCtxProcess& aContext ) const;
+
+    void GenerateCNonceL( TSIPSecDigestCtxSetup& aContext ) const;
+
+public: // New functions
+
+    /**
+    * The name of the supported algorithm
+    * @return The name of the supported algorithm
+    */
+    static RStringF SupportedAlgorithm();
+
+protected: // New functions, for internal use
+
+	/*
+     * Constructor
+     * @param aType the type of challenge
+     * @param aQop qop of the challenge
+     */
+    CSIPSecChallengeMD5( CSIPSecDigest::TChallengeType aType,
+    					 CSIPSecRequestData::TQop aQop );
+
+    /**
+    * Calculates and returns "request-digest".
+    * @param aContext Digest context
+    * @return "request-digest"
+    */
+    HBufC8* RequestDigestL( TSIPSecDigestCtxProcess& aContext ) const;
+    
+    /**
+    * Calculates secret data (A1).
+    * @param aContext Digest context
+    */
+    void CalculateSecretDataA1L( TSIPSecDigestCtxSetup& aContext ) const;
+
+    /**
+    * Calculates request data (A2).
+    * @param aContext Digest context
+    */
+    HBufC8* CalculateA2L( TSIPSecDigestCtxProcess& aContext ) const;
+
+	/*
+	* Converts the MD5 hash descriptor into an ASCII representation of the
+	* hexadecimal values.	
+	* @param aDigest Message digest
+	* @param aData Data to hash
+	* @return Buffer of characters representing the hexadecimal values
+	*  ('0'..'9','a'..'f'). Ownership is transferred.
+	*/
+    HBufC8* HashL( CMD5& aDigest, TPtrC8 aData ) const;    
+    };
+	
+#endif //end of __CSIPSEC_CHALLENGEMD5_H__
+
+// End of File