--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipappprotocols_plat/srtp_api/inc/srtpcryptoparams.h	Tue Feb 02 01:03:15 2010 +0200
@@ -0,0 +1,103 @@
+/*
+* 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:    Contains a default cryptographic context for SRTP/SRTCP streams.
+*
+*/
+
+
+
+
+#ifndef __SRTP_CRYPTOPARAMS_H__
+#define __SRTP_CRYPTOPARAMS_H__
+
+#include <e32base.h>
+#include "srtpcryptocontext.h"
+
+/**
+*  SRTP/SRTCP crypto context param 
+*  RFC 3711, 4568
+*
+*  @lib srtp.dll
+*/
+
+/**
+* Encyption algorithms.
+*/
+enum TSRTPEncAlg
+    {
+    ENullAlg = 0,
+    EEncAES_CM
+    };
+
+/**
+* Authentication algorithms.
+* With RCCm1, RCCm2 and RCCm3, ROC will be synchronized if SEQ%R==0
+*/
+enum TSRTPAuthAlg
+    {
+    EAuthNull = 0,
+    EAuthHMAC_SHA1,
+    EAuthRCCm1,
+    EAuthRCCm2,
+    EAuthRCCm3
+    };
+    
+
+class TSrtpCryptoParams
+	{
+	public: 
+	TSrtpCryptoParams();
+	
+	TSRTPEncAlg iSrtpEncAlg; 
+	TSRTPEncAlg iSrtcpEncAlg;                
+	TSRTPAuthAlg iSrtpAuthAlg; 
+	TSRTPAuthAlg iSrtcpAuthAlg; 
+	TUint iSrtpAuthTagLen;
+	TUint iSrtcpAuthTagLen;             
+	TUint iSrtpKeyDervRate; //The key derivation rate
+	TUint iSrtcpKeyDervRate;    
+	TUint iPrefixLen;   
+	TBool iSrtpReplayProtection;
+	TBool iSrtcpReplayProtection;   
+	TUint16 iROCTransRate;   
+	TUint64 iMasterKeysLifeTime; //Set both for SRTP/SRTCP otherwise use default
+	TInt iReplayWindowSizeHint; //Set both for SRTP/SRTCP otherwise use default
+	TBool iIsRCCm3Sync;
+
+	};
+
+//IF any of the following param changes it will cause the caculation changes.
+inline TSrtpCryptoParams::TSrtpCryptoParams() : 
+	  	iSrtpEncAlg( EEncAES_CM ), //encoding algorithm
+       	iSrtcpEncAlg( EEncAES_CM ), 
+        iSrtpAuthAlg( EAuthHMAC_SHA1 ), // authentication algorithm
+        iSrtcpAuthAlg(EAuthHMAC_SHA1 ), 
+        iSrtpAuthTagLen(KSRTPAuthTagDefaultLength),
+        iSrtcpAuthTagLen(KSRTPAuthTagDefaultLength),
+        iSrtpKeyDervRate( KSRTPDefaultKeyDerivationRate ),
+        iSrtcpKeyDervRate( KSRTPDefaultKeyDerivationRate ),
+        iPrefixLen( KSRTPPrefixLength ), // prefix length	 must be 0
+        iSrtpReplayProtection( ETrue ), // replay protection on/off
+        iSrtcpReplayProtection( ETrue),
+        iROCTransRate(KSRTPDefaultROCTransRate), // Integrity transform parameter
+        iMasterKeysLifeTime (0),
+        iReplayWindowSizeHint (KReplayWindowSize),
+        iIsRCCm3Sync(EFalse) // using in RCCm3 only defined in RFC srtp-rcc04 Section 4	
+                  
+	{
+	};       
+
+
+	
+#endif // __SRTP_CRYPTOPARAMS_H__
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