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