--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtp/srtpstack/src/srtpmasterkey.cpp	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,182 @@
+/*
+* Copyright (c) 2004 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:    .
+*
+*/
+
+
+
+
+// INCLUDES
+#include <e32std.h>
+#include "srtpmasterkey.h"
+#include "srtpmastersalt.h"
+#include "srtpcryptocontext.h"
+#include "srtpdef.h"
+#include "srtputils.h"
+
+
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor. Used when stream uses its own cryptographic context
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CSRTPMasterKey* CSRTPMasterKey::NewL( const TDesC8& aKey, 
+                       const TDesC8& aMKI, 
+                       TUint aN_E, 
+                       TUint aN_A )
+    {
+    
+    
+    CSRTPMasterKey* self = CSRTPMasterKey::NewLC( aKey,
+                                                  aMKI,
+                                                  aN_E, 
+                                                  aN_A);
+    CleanupStack::Pop( self );        
+    return self;
+    }	
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor. Used when stream uses its own cryptographic context
+// 
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CSRTPMasterKey* CSRTPMasterKey::NewLC( const TDesC8& aKey, 
+                       const TDesC8& aMKI, 
+                       TUint aN_E, 
+                       TUint aN_A )
+    {
+                                          
+    CSRTPMasterKey* self = new( ELeave )CSRTPMasterKey ( aN_E, 
+                                                         aN_A);                                                
+    CleanupStack::PushL( self );    
+    self->ConstructL( aKey, aMKI );
+    return self;
+    }	
+
+// ---------------------------------------------------------------------------
+// CSRTPMasterKey::CSRTPMasterKey
+// ---------------------------------------------------------------------------
+//
+CSRTPMasterKey::CSRTPMasterKey( TUint aN_E, 
+                                TUint aN_A) :
+            iN_E( aN_E ),
+            iN_A( aN_A )
+            {
+            }
+
+// -----------------------------------------------------------------------------
+// CSRTPMasterKey::ConstructL
+// -----------------------------------------------------------------------------
+//
+void CSRTPMasterKey::ConstructL(  const TDesC8& aKey, 
+                                  const TDesC8& aMKI )
+	{
+    iKey = aKey.AllocL();
+    if(aKey.Length()>16)
+	    {
+	    TSRTPUtils::HexString( *iKey );	
+	    }
+    iMKI = aMKI.AllocL();
+    iMKI->Des().SetLength(aMKI.Length());
+   	}
+	
+// ---------------------------------------------------------------------------
+// CSRTPMasterKey::~CSRTPMasterKey
+// ---------------------------------------------------------------------------
+//
+CSRTPMasterKey::~CSRTPMasterKey( )
+           
+    {
+    delete iKey;
+    delete iMKI;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSRTPMasterKey::MasterKey
+// ---------------------------------------------------------------------------
+//
+EXPORT_C  const TDesC8& CSRTPMasterKey::MasterKey() const
+    {
+    return *iKey;
+    }
+        
+
+// ---------------------------------------------------------------------------
+// CCSRTPMasterKey::MKI
+// ---------------------------------------------------------------------------
+//
+EXPORT_C  const TDesC8& CSRTPMasterKey::MKI() const
+    {
+    return *iMKI;
+    };
+                            
+// ---------------------------------------------------------------------------
+// CSRTPMasterKey::EncrKeyLength
+// ---------------------------------------------------------------------------
+//
+EXPORT_C  TUint CSRTPMasterKey::EncrKeyLength() const
+    {
+    return iN_E;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSRTPMasterKey::AuthKeyLength
+// ---------------------------------------------------------------------------
+//
+EXPORT_C  TUint CSRTPMasterKey::AuthKeyLength() const
+    {
+    return iN_A;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CSRTPMasterKey::operator=
+// ---------------------------------------------------------------------------
+//
+ const CSRTPMasterKey& CSRTPMasterKey::operator=(const CSRTPMasterKey& aKey)
+    {
+    return aKey;
+    }
+
+// ---------------------------------------------------------------------------
+// CSRTPMasterKey::Valid()
+// ---------------------------------------------------------------------------
+//       
+EXPORT_C  TBool CSRTPMasterKey::Valid() const
+    {    
+    if (iKey->Length() != KSRTPDefaultMasterKeyLength/8)
+        {
+        return EFalse;
+        }       
+    
+    if (iN_E != KSRTPDefSessionEncryptionKeyLength)
+        {
+        return EFalse;
+        }   
+        
+    if (iN_A != KSRTPDefSessionAuthenticationKeyLength)
+        {
+        return EFalse;
+        }
+        
+    return ETrue;
+    }
+    
+
+
+