--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/src/TCMSTimeUtil.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,86 @@
+/*
+* Copyright (c) 2002 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: 
+*
+*/
+
+
+// INCLUDE FILES
+#include    "TCMSTimeUtil.h"
+#include 	<asn1dec.h>
+
+// CONSTANTS
+// UTC formatting string
+_LIT( KUTCFormatString, "%*Y%3%M%2%D%1%H%T%SZ" );
+const TUint8 KFormatLength = 13;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// TCMSTimeUtil::ConvertToEncoderLC
+// Converts TTime to ASN encoder base
+// -----------------------------------------------------------------------------
+//
+CASN1EncBase* TCMSTimeUtil::ConvertToEncoderLC( const TTime& aTime )
+    {
+	CASN1EncBase* time = NULL;
+	//    Dates between 1 January 1950 and 31 December 2049 (inclusive) must be
+	//    encoded as UTCTime.  Any dates with year values before 1950 or after
+	//    2049 must be encoded as GeneralizedTime.
+	if( aTime.DateTime().Year() >= 1950 &&
+		aTime.DateTime().Year() <= 2049 )
+		{
+		TBuf<KFormatLength> dateString;
+		// Formatting for UTC time
+		aTime.FormatL( dateString, KUTCFormatString );
+		TBuf8<KFormatLength> timeDes;
+		timeDes.Copy( dateString );
+		time = CASN1EncOctetString::NewLC( timeDes );
+		// change type to UTCTime
+		time->SetTag( EASN1UTCTime, EUniversal );
+		}
+	else
+		{
+		time = CASN1EncGeneralizedTime::NewLC( aTime );
+		}
+	return time;
+    }
+
+// -----------------------------------------------------------------------------
+// TCMSTimeUtil::ConvertToTimeL
+// Converts DER encoded source to TTime
+// -----------------------------------------------------------------------------
+//
+TTime TCMSTimeUtil::ConvertToTimeL( const TDesC8& aSource )
+	{
+	TASN1DecGeneric time( aSource );
+	time.InitL();
+	TTime returnValue = 0;
+	if( time.Tag() == EASN1GeneralizedTime )
+		{
+		TASN1DecGeneralizedTime genTime;
+		returnValue = genTime.DecodeDERL( time );
+		}
+	else if( time.Tag() == EASN1UTCTime )
+		{
+		TASN1DecUTCTime utcTime;
+		returnValue = utcTime.DecodeDERL( time );
+		}
+	else
+		{
+		User::Leave( KErrArgument );
+		}
+	return returnValue;
+	}
+//  End of File