--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/pkcs7/pkcs7asn1.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,56 @@
+/*
+* Copyright (c) 2003-2009 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: 
+*
+*/
+
+
+
+
+#include "pkcs7asn1.h"
+#include <asn1dec.h>
+
+CArrayPtr<TASN1DecGeneric>* PKCS7ASN1::DecodeSequenceLC(const TDesC8& aRawData)
+	{
+	CArrayPtr<TASN1DecGeneric>* items = NULL;
+	
+	// Check we've got a sequence
+	TASN1DecGeneric decGen(aRawData);
+	decGen.InitL();
+	if(decGen.Tag() != EASN1Sequence && decGen.Tag() != EASN1Set)
+		{
+		User::Leave(KErrArgument);
+		}
+	else
+		{
+		// Decode the sequence		
+		TASN1DecSequence decSeq;
+		items = decSeq.DecodeDERLC(decGen);
+		}
+	return items;
+	}
+
+CArrayPtr<TASN1DecGeneric>* PKCS7ASN1::DecodeSequenceLC(const TDesC8& aRawData,
+															const TInt aMinTerms,
+															const TInt aMaxTerms)
+	{
+	CArrayPtr<TASN1DecGeneric>* items = DecodeSequenceLC(aRawData);
+	TInt count = items->Count();
+	if(count < aMinTerms || count > aMaxTerms)
+		{
+		User::Leave(KErrArgument);
+		}
+
+	return items;
+	}