--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/asn1/oidenc.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 2001-2009 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: 
+* Methods for encoding object identifiers
+*
+*/
+
+
+#include "base128enc.h"
+#include "panic.h"
+
+#include <asn1enc.h>
+
+const TInt KArrayGranularity = 5;
+
+const TUint KSecondTermBigLimit = 175;
+const TUint KFirstTermMultiplier = 40;
+const TUint KFirstTermMax = 2;
+
+
+EXPORT_C CASN1EncObjectIdentifier* CASN1EncObjectIdentifier::NewLC(const TDesC& aStr)
+	{
+	CASN1EncObjectIdentifier* self = new (ELeave) CASN1EncObjectIdentifier();
+	CleanupStack::PushL(self);
+	self->ConstructL(aStr);
+	return self;
+	}
+
+EXPORT_C CASN1EncObjectIdentifier* CASN1EncObjectIdentifier::NewL(const TDesC& aStr)
+	{
+	CASN1EncObjectIdentifier* self = NewLC(aStr);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+EXPORT_C CASN1EncObjectIdentifier::~CASN1EncObjectIdentifier()
+	{
+	iData.Close();
+	}
+
+
+CASN1EncObjectIdentifier::CASN1EncObjectIdentifier()
+: CASN1EncPrimitive(EASN1ObjectIdentifier), iData(KArrayGranularity)
+	{
+	}
+
+
+// Takes ints in a string, delimited by '.' characters in between (not at ends)
+void CASN1EncObjectIdentifier::ConstructL(const TDesC& aStr)
+	{
+	iData.Reset();
+	TInt index = 0;
+	TLex lex(aStr);
+
+	// First term
+	__ASSERT_ALWAYS(!lex.Eos(), User::Leave(KErrBadDescriptor));
+	TUint first;
+	User::LeaveIfError(lex.Val(first));
+	__ASSERT_ALWAYS(first <= KFirstTermMax, User::Leave(KErrBadDescriptor));
+	// Static cast takes 8 least sig bits
+	iFirstOctet = STATIC_CAST(TUint8, KFirstTermMultiplier * first);
+
+	// A '.' to delimit
+	__ASSERT_ALWAYS(!lex.Eos() && lex.Get() == '.',	User::Leave(KErrBadDescriptor));
+
+	// Second term
+	__ASSERT_ALWAYS(!lex.Eos(), User::Leave(KErrBadDescriptor));
+	TUint second;
+	User::LeaveIfError(lex.Val(second));
+	__ASSERT_ALWAYS((first < KFirstTermMax && second < KFirstTermMultiplier)
+		|| (first == KFirstTermMax && second <= KSecondTermBigLimit),
+		User::Leave(KErrBadDescriptor));
+	// Static cast takes 8 least sig bits
+	iFirstOctet = STATIC_CAST(TUint8, iFirstOctet + second);
+
+	// Remaining terms
+	while (!lex.Eos())
+		{
+		// Delimiter, and check we're not at end after that
+		__ASSERT_ALWAYS(lex.Get() == '.' && !lex.Eos(),	User::Leave(KErrBadDescriptor));
+
+		TUint value;
+		User::LeaveIfError(lex.Val(value));
+		++index;
+
+		// Store the data away for later
+		TASN1EncBase128DER encoder(value);
+		User::LeaveIfError(iData.Append(encoder));
+		}
+
+	// Remainder of ConstructL is here - safe to call CalculateContentsLengthDER now.
+	CASN1EncPrimitive::ConstructL();
+	}
+
+
+void CASN1EncObjectIdentifier::CalculateContentsLengthDER()
+	{
+	iContentsLengthDER = 1;
+	for (TInt i = iData.Count() - 1; i >= 0; --i)
+		{
+		iContentsLengthDER += iData[i].LengthDER();
+		}
+	}
+
+
+void CASN1EncObjectIdentifier::WriteContentsDERL(TDes8& aBuf) const
+	{
+	aBuf[0] = iFirstOctet;
+	TUint cursor = 1;
+	TInt count = iData.Count();
+	for (TInt i = 0; i < count; ++i)
+		{
+		iData[i].WriteDERL(aBuf, cursor);
+		}
+	}