sl@0: /*
sl@0: * Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * Implementation for DER encoding of GeneralizedTime.
sl@0: * Following from the decoding class
sl@0: * 1) fractions of seconds are not supported
sl@0: * 2) regional time zone offsets are not supported
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "panic.h"
sl@0: 
sl@0: #include <asn1enc.h>
sl@0: 
sl@0: const TUint KEncodingLengthWithoutSeconds = 13;
sl@0: const TUint KEncodingLengthWithSeconds = 15;
sl@0: 
sl@0: 
sl@0: EXPORT_C CASN1EncGeneralizedTime* CASN1EncGeneralizedTime::NewLC(const TTime& aTime)
sl@0: 	{
sl@0: 	CASN1EncGeneralizedTime* self = new (ELeave) CASN1EncGeneralizedTime(aTime);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CASN1EncGeneralizedTime* CASN1EncGeneralizedTime::NewL(const TTime& aTime)
sl@0: 	{
sl@0: 	CASN1EncGeneralizedTime* self = NewLC(aTime);
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CASN1EncGeneralizedTime::CASN1EncGeneralizedTime(const TTime& aTime)
sl@0: : CASN1EncPrimitive(EASN1GeneralizedTime), iDateTime(aTime.DateTime())
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(iDateTime.Year() < 10000, Panic(KErrYearTooBigForGeneralizedTime));
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CASN1EncGeneralizedTime::CalculateContentsLengthDER()
sl@0: 	{
sl@0: 	iContentsLengthDER = 
sl@0: 		iDateTime.Second() ? KEncodingLengthWithSeconds : KEncodingLengthWithoutSeconds;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CASN1EncGeneralizedTime::WriteContentsDERL(TDes8& aBuf) const
sl@0: 	{
sl@0: 	aBuf.SetLength(0);
sl@0: 	aBuf.AppendNumFixedWidth(iDateTime.Year(), EDecimal, 4);
sl@0: 	aBuf.AppendNumFixedWidth(iDateTime.Month() + 1, EDecimal, 2);  // Our months are zero-based
sl@0: 	aBuf.AppendNumFixedWidth(iDateTime.Day() + 1, EDecimal, 2);    // Our days are zero-based
sl@0: 	aBuf.AppendNumFixedWidth(iDateTime.Hour(), EDecimal, 2);
sl@0: 	aBuf.AppendNumFixedWidth(iDateTime.Minute(), EDecimal, 2);
sl@0: 	if (iDateTime.Second())
sl@0: 		{
sl@0: 		aBuf.AppendNumFixedWidth(iDateTime.Second(), EDecimal, 2);
sl@0: 		}
sl@0: 
sl@0: 	aBuf.Append('Z');
sl@0: 	}