cryptoservices/certificateandkeymgmt/pkcs12/pkcs12safebag.cpp
changeset 0 2c201484c85f
child 8 35751d3474b7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/pkcs12/pkcs12safebag.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,216 @@
+/*
+* 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: 
+*
+*/
+
+
+#include "pkcs12safebag.h"
+#include <pkcs12bags.h>
+
+using namespace PKCS12;
+
+CDecPkcs12SafeBag::CDecPkcs12SafeBag()
+	{
+	}
+
+EXPORT_C CDecPkcs12SafeBag* CDecPkcs12SafeBag::NewL(const TDesC8& aSafeBagData)
+	{
+	TASN1DecGeneric seqGen(aSafeBagData);
+	seqGen.InitL();
+	
+	// Check if this is a Sequence
+	if (seqGen.Tag() != EASN1Sequence || seqGen.Class() != EUniversal)
+		{
+		User::Leave(KErrArgument);
+		}
+	
+	TASN1DecSequence seq;
+	CArrayPtrFlat<TASN1DecGeneric>* safeBagSequence = seq.DecodeDERLC(seqGen);
+
+	// Check for BagId, BagId is an ObjectIdentifier
+	const TASN1DecGeneric* safeBagSequenceAt0 = safeBagSequence->At(0);
+	if (safeBagSequenceAt0->Tag() != EASN1ObjectIdentifier || safeBagSequenceAt0->Class() != EUniversal)
+		{
+		User::Leave(KErrArgument);
+		}
+	TASN1DecObjectIdentifier oid;
+  	HBufC* bagId = oid.DecodeDERL(*safeBagSequenceAt0);
+	CleanupStack::PushL(bagId);
+	CDecPkcs12SafeBag* safeBag = NULL;
+	
+	// If BagType is a KeyBag.	
+	if( *bagId == KPkcs12KeyBagOID )
+		{
+		safeBag = CDecPkcs12KeyBag::NewL(aSafeBagData);
+		}
+	// If BagType is a Shrouded KeyBag.
+	else if( *bagId == KPkcs12ShroudedKeyBagOID )
+		{
+		safeBag = CDecPkcs12ShroudedKeyBag::NewL(aSafeBagData);
+		}
+	// If bagType is a CertBag.
+	else if( *bagId == KPkcs12CertBagOID )
+		{
+		safeBag = CDecPkcs12CertBag::NewL(aSafeBagData);
+		}
+	// If Bag Type is a SafeContentsBag.
+	else if( *bagId == KPkcs12SafeContentsBagOID )
+		{
+		safeBag = CDecPkcs12SafeContentsBag::NewL(aSafeBagData);
+		}
+	// If Bag Type is a CrlBag.
+	else if ( *bagId == KPkcs12CrlBagOID )
+		{
+		safeBag = new(ELeave) CDecPkcs12SafeBag();
+		CleanupStack::PushL(safeBag);
+		safeBag->ConstructL(aSafeBagData);
+		CleanupStack::Pop(safeBag);
+		}
+	// If Bag Type is a Secret Bag.
+	else if ( *bagId == KPkcs12SecretBagOID )
+		{
+		safeBag = new(ELeave) CDecPkcs12SafeBag();
+		CleanupStack::PushL(safeBag);
+		safeBag->ConstructL(aSafeBagData);
+		CleanupStack::Pop(safeBag);
+		}
+	else
+		{
+		User::Leave(KErrNotSupported);	
+		}	
+	CleanupStack::PopAndDestroy(2,safeBagSequence); // safeBagSequence, bagId.
+	return safeBag;
+	}
+
+EXPORT_C CDecPkcs12SafeBag::~CDecPkcs12SafeBag()
+	{
+	iBagAttributes.ResetAndDestroy();
+	iBagAttributes.Close();
+	}
+	
+void CDecPkcs12SafeBag::ConstructL(const TDesC8& aSafeBagData)
+	{
+	// This is SafeBag Sequence
+	TASN1DecGeneric seqGen(aSafeBagData);
+	seqGen.InitL();
+	
+	// Check if this is a Sequence
+	if (seqGen.Tag() != EASN1Sequence || seqGen.Class() != EUniversal)
+		{
+		User::Leave(KErrArgument);
+		}
+	
+	TASN1DecSequence seq;
+	CArrayPtrFlat<TASN1DecGeneric>* safeBagSequence = seq.DecodeDERLC(seqGen);
+	const TASN1DecGeneric* safeBagSequenceAt0 = safeBagSequence->At(0);
+	// Obtain the BagId from the SafeBag Sequence
+	 if (safeBagSequenceAt0->Tag() != EASN1ObjectIdentifier || safeBagSequenceAt0->Class() != EUniversal)
+		{
+		User::Leave(KErrArgument);
+		}
+		
+	TASN1DecObjectIdentifier oid;
+	HBufC* bagId = oid.DecodeDERL(*(safeBagSequence->At(0)));
+
+	// If BagType is a KeyBag	
+	if(*bagId == KPkcs12KeyBagOID)
+		{
+		iBagId = EKeyBag;
+		}
+	// If BagType is a Shrouded KeyBag	
+	else if( *bagId == KPkcs12ShroudedKeyBagOID )
+		{
+		iBagId = EShroudedKeyBag;
+		}
+	// If bagType is a CertBag
+	else if( *bagId == KPkcs12CertBagOID )
+		{
+		iBagId = ECertBag;
+		}
+	else if ( *bagId == KPkcs12CrlBagOID )
+		{
+		iBagId = ECrlBag;
+		}
+	else if ( *bagId == KPkcs12SecretBagOID )
+		{
+		iBagId = ESecretBag;
+		}
+	// If Bag Type is a SafeContentsBag
+	else if( *bagId == KPkcs12SafeContentsBagOID )
+		{
+		iBagId = ESafeContentsBag;
+		}
+	else
+		{
+		User::Leave(KErrNotSupported);	
+		}	
+	delete bagId;	 
+	// Obtain the BagValue from the SafeBag Sequence. The SafeBag contains a KeyBag 
+	// or a ShroudedKeyBag.
+	const TASN1DecGeneric* safeBagSequenceAt1 = safeBagSequence->At(1);
+	if (safeBagSequenceAt1->Tag() == EASN1EOC || safeBagSequenceAt1->Class() == EContextSpecific)
+		{
+		TASN1DecGeneric seqGen(safeBagSequence->At(1)->GetContentDER());
+		seqGen.InitL();
+		
+		iBagValue.Set(seqGen.Encoding());
+		}
+   	else
+		{
+		User::Leave(KErrArgument);
+		}
+	// Obtain the BagAttribute from the SafeBag Sequence. ATTRIBUTES ARE OPTIONAL
+	if (safeBagSequence->Count() == 3)
+		{
+		TASN1DecGeneric seqGen(*(safeBagSequence->At(2)));
+	    seqGen.InitL();
+	    
+		// Check if this is a Set
+		if (seqGen.Tag() != EASN1Set || seqGen.Class() != EUniversal)
+			{
+			User::Leave(KErrArgument);
+			}   
+		// Set
+		TASN1DecSet decSet;
+        CArrayPtrFlat<TASN1DecGeneric>* attributeSet = decSet.NewDERLC((safeBagSequence->At(2)->Encoding()));
+                
+        TInt attributeSetCount = attributeSet->Count();
+        for ( TInt index = 0; index < attributeSetCount; index++ )
+        	{
+        	const TDesC8& attribute(attributeSet->At(index)->Encoding());
+        	CDecPkcs12Attribute* bagAttribute = CDecPkcs12Attribute::NewL(attribute);
+        	CleanupStack::PushL(bagAttribute);
+         	iBagAttributes.AppendL(bagAttribute);
+         	CleanupStack::Pop(bagAttribute);
+         	}
+        CleanupStack::PopAndDestroy(attributeSet); // attributeSet
+        }
+	CleanupStack::PopAndDestroy(safeBagSequence); // safeBagSequence
+	}
+	
+EXPORT_C CDecPkcs12SafeBag::TBagId CDecPkcs12SafeBag::BagID() const
+	{
+	return iBagId;
+	}
+ 
+EXPORT_C const TDesC8& CDecPkcs12SafeBag::BagValue() const
+	{
+	return iBagValue;
+	}
+
+EXPORT_C const RPointerArray<CDecPkcs12Attribute>& CDecPkcs12SafeBag::BagAttributes() const
+	{
+	return iBagAttributes;
+	}