cryptoservices/certificateandkeymgmt/pkcs7/cmssigneridentifier.cpp
author Santosh Patil <santosh.v.patil@nokia.com>
Wed, 08 Jul 2009 11:25:26 +0100
changeset 0 2c201484c85f
child 8 35751d3474b7
permissions -rw-r--r--
Move the Security package to EPL, and add the implementations of the cryptographic algorithms
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/*
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* Copyright (c) 2006-2009 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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*
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*/
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#include <cmssigneridentifier.h> 
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#include <asn1dec.h>
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#include <asn1enc.h>
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//
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// Implementation of CCmsSignerIdentifier
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//
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CCmsSignerIdentifier* CCmsSignerIdentifier::NewL(CPKCS7IssuerAndSerialNumber* aIssuerAndSerialNumber)
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	{
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	CCmsSignerIdentifier* self = NewLC(aIssuerAndSerialNumber);
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	CleanupStack::Pop(self);
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	return self;		
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	}
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CCmsSignerIdentifier* CCmsSignerIdentifier::NewLC(CPKCS7IssuerAndSerialNumber* aIssuerAndSerialNumber)
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	{
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	if (!aIssuerAndSerialNumber)
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		{
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		User::Leave(KErrArgument);	
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		}
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	CCmsSignerIdentifier* self = new (ELeave) CCmsSignerIdentifier(aIssuerAndSerialNumber);
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	CleanupStack::PushL(self);
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	return self;		
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	}
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CCmsSignerIdentifier* CCmsSignerIdentifier::NewL(HBufC8* aSubjectKeyIdExt)
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	{
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	CCmsSignerIdentifier* self = NewLC(aSubjectKeyIdExt);
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	CleanupStack::Pop(self);
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	return self;
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	}
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CCmsSignerIdentifier* CCmsSignerIdentifier::NewLC(HBufC8* aSubjectKeyIdExt)
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	{
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	if (!aSubjectKeyIdExt)
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		{
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		User::Leave(KErrArgument);	
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		}
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	CCmsSignerIdentifier* self = new (ELeave) CCmsSignerIdentifier(aSubjectKeyIdExt);
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	CleanupStack::PushL(self);
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	return self;				
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	}
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CCmsSignerIdentifier* CCmsSignerIdentifier::NewL(const TDesC8& aRawData)
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	{
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	CCmsSignerIdentifier* self = NewLC(aRawData);
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	CleanupStack::Pop(self);
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	return self;					
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	}
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CCmsSignerIdentifier* CCmsSignerIdentifier::NewLC(const TDesC8& aRawData)
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	{
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	CCmsSignerIdentifier* self = new (ELeave) CCmsSignerIdentifier();
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	CleanupStack::PushL(self);
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	self->ConstructL(aRawData);
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	return self;					
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	}
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CCmsSignerIdentifier::CCmsSignerIdentifier(CPKCS7IssuerAndSerialNumber* aIssuerAndSerialNumber) : iSignerIdentifierType(EIssuerAndSerialNumber)
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	{
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	iIssuerAndSerialNumber=aIssuerAndSerialNumber;
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	}
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CCmsSignerIdentifier::CCmsSignerIdentifier(HBufC8* aSubjectKeyIdExt) : iSignerIdentifierType(ESubjectKeyIdentifier)
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	{
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	iSubjectKeyIdExt=aSubjectKeyIdExt;
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	}
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EXPORT_C CCmsSignerIdentifier::~CCmsSignerIdentifier()
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	{
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	delete iIssuerAndSerialNumber;
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	delete iSubjectKeyIdExt;
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	}
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CASN1EncBase* CCmsSignerIdentifier::EncodeASN1DERLC() const
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	{
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	switch (iSignerIdentifierType)
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		{
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	case EIssuerAndSerialNumber:
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		{
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		return iIssuerAndSerialNumber->EncodeASN1DERLC();
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		}
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	case ESubjectKeyIdentifier:
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		{
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		CASN1EncBase* subKey = CASN1EncOctetString::NewLC(*iSubjectKeyIdExt);
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		subKey->SetTag(0);
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		return subKey;
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		}
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	default:
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		User::Leave(KErrNotSupported);
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		}
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	//Should not arrive here
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	return NULL;	
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	}
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EXPORT_C const CPKCS7IssuerAndSerialNumber* CCmsSignerIdentifier::IssuerAndSerialNumber() const
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	{
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	return iIssuerAndSerialNumber;
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	}
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EXPORT_C TInt CCmsSignerIdentifier::SignerIdentifierType() const
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	{
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	return iSignerIdentifierType;
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	}
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CCmsSignerIdentifier::CCmsSignerIdentifier()
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	{
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	}
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void CCmsSignerIdentifier::ConstructL(const TDesC8& aRawData)
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	{
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	TASN1DecGeneric decGen(aRawData);
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	decGen.InitL();
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	if(decGen.Tag() == EASN1Sequence && decGen.Class()==EUniversal)
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		{
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		iSignerIdentifierType=EIssuerAndSerialNumber;
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		iIssuerAndSerialNumber=CPKCS7IssuerAndSerialNumber::NewL(aRawData);			
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		}
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	else if(decGen.Tag() == 0 && decGen.Class()==EContextSpecific)
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			{
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			iSignerIdentifierType=ESubjectKeyIdentifier;
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			iSubjectKeyIdExt=decGen.GetContentDER().AllocL();				
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			}
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		 else
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			 {
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			 User::Leave(KErrArgument);	
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			 }	
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	}
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EXPORT_C const TDesC8& CCmsSignerIdentifier::SubjectKeyIdentifier() const
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	{
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	return *iSubjectKeyIdExt;
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	}