--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/asn1/encenc.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+*
+*/
+
+
+
+
+/**
+ @file
+*/
+
+#include <e32std.h>
+#include <e32def.h>
+#include <asn1enc.h>
+#include <asn1dec.h>
+
+EXPORT_C CASN1EncEncoding::~CASN1EncEncoding()
+	{
+	delete iContents;
+	}
+
+// Set arbitrary initial values for tag type and class because they will be 
+// inited in ConstructL().
+EXPORT_C CASN1EncEncoding::CASN1EncEncoding() : 
+	CASN1EncBase(EASN1EOC, EUniversal)
+	{
+	}
+
+EXPORT_C CASN1EncEncoding* CASN1EncEncoding::NewLC(const TDesC8& aEncoding)
+	{
+	CASN1EncEncoding* self = new (ELeave) CASN1EncEncoding;
+	CleanupStack::PushL(self);
+	self->ConstructL(aEncoding);
+	return self;
+	}
+
+EXPORT_C CASN1EncEncoding* CASN1EncEncoding::NewL(const TDesC8& aEncoding)
+	{
+	CASN1EncEncoding* self = NewLC(aEncoding);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CASN1EncEncoding* CASN1EncEncoding::NewLC(const TDesC8& aEncoding, TTagType aType, TASN1Class aClass)
+	{
+	CASN1EncEncoding* self = new (ELeave) CASN1EncEncoding;
+	CleanupStack::PushL(self);
+	self->ConstructL(aEncoding, aType, aClass);
+	return self;		
+	}
+
+void CASN1EncEncoding::ConstructL(const TDesC8& aEncoding)
+	{
+	// Use decoder to get information about the outer wrapper of the passed 
+	// encoding.
+	TASN1DecGeneric decoder(aEncoding);
+	decoder.InitL();
+	iClass = decoder.Class();
+	iTag = decoder.Tag();
+	// Set this information so that the base class knows how to write 
+	// DER encoding.
+	SetTag(iTag, iClass);
+	// Copy just the contents of the passed encoding.
+	iContents = decoder.GetContentDER().AllocL();
+	// Save this for base class writing functions.
+	iContentsLengthDER = iContents->Length();
+	// This is base class' method which initializes length of length 
+	// encoding for proper DER writing.
+	CalculateLengthLengthDER();
+	}
+
+void CASN1EncEncoding::ConstructL(const TDesC8& aEncoding, TTagType aType, TASN1Class aClass)
+	{
+	// Use decoder to get information about the outer wrapper of the passed 
+	// encoding.
+	TASN1DecGeneric decoder(aEncoding);
+	decoder.InitL();
+	iClass = aClass;
+	iTag = aType;
+	// Set this information so that the base class knows how to write 
+	// DER encoding.
+	SetTag(aType, aClass);
+	// Copy just the contents of the passed encoding.
+	iContents = decoder.GetContentDER().AllocL();
+	// Save this for base class writing functions.
+	iContentsLengthDER = iContents->Length();
+	// This is base class' method which initializes length of length 
+	// encoding for proper DER writing.
+	CalculateLengthLengthDER();
+	}
+
+
+// This method is not called but is necessary because it overrides a 
+// pure virtual function of the base class. The variable is properly 
+// initialized in ConstructL().
+void CASN1EncEncoding::CalculateContentsLengthDER()
+	{
+	iContentsLengthDER = iContents->Length();
+	}
+
+TBool CASN1EncEncoding::IsConstructed() const
+	{
+	return ETrue;
+	}
+
+// When this method is called by the base class write helper, the tag 
+// and length are already written.
+void CASN1EncEncoding::WriteContentsDERL(TDes8& aBuf) const
+	{
+	aBuf.Copy(*iContents);
+	}