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/*
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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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#include "panic.h"
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#include <asn1enc.h>
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const TUint KEncodingLengthWithoutSeconds = 13;
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const TUint KEncodingLengthWithSeconds = 15;
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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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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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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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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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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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aBuf.Append('Z');
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}
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