--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networksecurity/tls/protocol/changecipherevents.cpp	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,99 @@
+// Copyright (c) 2003-2009 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:
+// Change Cipher Spec protocol messages implementation file.
+// 
+//
+
+/**
+ @file
+*/
+  
+#include "changecipherevents.h"
+#include "tlshandshake.h"
+#include "recordprotocolevents.h"
+#include "handshakereceiveevents.h"
+
+
+CAsynchEvent* CSendChangeCipherSpec::ProcessL( TRequestStatus& aStatus )
+/** 
+ * This message consists of a single byte of value 1, which is compressed and encrypted 
+ * under the current connection state. Typically this message activates security services
+ * (i.e. encryption + MAC).
+ *
+ * @param aStatus Request status object
+ * @return CAsynchEvent* Pointer to the next asynchronous event to be processed.
+ */
+{
+	LOG(Log::Printf(_L("CSendChangeCipherSpec::ProcessL()\n"));)
+		
+	// Set the message content and its record type.
+	iCipherSpecMsg.Copy( iMsgPtr, KChangeCipherSpecMsgLength );
+	CRecordComposer& RecordComposer = iRecordComposer;
+	RecordComposer.SetUserData( &iCipherSpecMsg );
+	RecordComposer.SetRecordType( ETlsChangeCipherContentType );
+	
+	// Update the History and set the next event to be processed. The next message to be 
+	// transmitted is the Finished message and this will be last in the current list.
+	iStateMachine->UpdateHistory( ETlsChangeCipherSent );
+
+   //RecordComposer.ChangeCipher(); happens from CRecordComposer itslf after thei record's been sent
+   RecordComposer.SetNext( Handshake().NextTxEvent() );
+	return RecordComposer.ProcessL( aStatus );
+}
+
+TBool CRecvChangeCipherSpec::AcceptRecord( TInt aRecordType ) const
+/** 
+ * This method determines whether the first byte of a Record protocol header 
+ * (content type) can be accepted by an event.
+ *
+ * @param aRecordType Integer specifying the Record protocol content type
+ * @return TBool Boolean indicating whether or not the record should be accepted by  
+ * this event.
+ */
+{
+	LOG(Log::Printf(_L("CRecvChangeCipherSpec::AcceptRecord()\n"));)
+	TInt nHistory = iStateMachine->History();
+	
+	return aRecordType == ETlsChangeCipherContentType && 
+		(nHistory & ETlsFullHandshake|ETlsFinishedSent == ETlsFullHandshake|ETlsFinishedSent ||
+		nHistory & ETlsAbbreviatedHandshake|ETlsServerHelloRecv == ETlsAbbreviatedHandshake|ETlsServerHelloRecv);
+}
+
+CAsynchEvent* CRecvChangeCipherSpec::ProcessL( TRequestStatus& aStatus )
+/**
+ * This method processes a received Change Cipher Spec message. This message should consist 
+ * of a single byte of value 1. It is impossible for any other message to follow a CCS msg 
+ * in a TLS record.
+ */
+{
+	LOG(Log::Printf(_L("CRecvChangeCipherSpec::ProcessL()\n"));)
+
+	iStateMachine->UpdateHistory( ETlsChangeCipherRecv ); // Update the Handshake history	
+	TPtr8 ccsMsg ( iRecordParser.PtrHBuf() );
+   User::LeaveIfError( ccsMsg.Length() != KChangeCipherSpecMsgLength ? KErrSSLAlertUnexpectedMessage : KErrNone );
+	TUint8 msgValue = ccsMsg[0];
+
+	if ( msgValue != KChangeCipherSpecMsg )
+	{
+		LOG(Log::Printf(_L("CRecvChangeCipherSpec::ProcessL - Value of CCS message is NOT equal to 1\n"));)
+		User::Leave(KErrArgument);
+	}
+	LOG(Log::Printf(_L("ChangeCipherSpec message of value %d received"), msgValue );)
+
+	// Reset the length of CRecordParser::iUserData for the next message.
+	iRecordParser.UserData()->SetLength(0);
+   iRecordParser.ChangeCipher();
+
+	return iRecordParser.ProcessL( aStatus );	// Call the Record Parser to read again from the socket.
+}