sl@0: /*
sl@0: * Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <x509keys.h>
sl@0: #include <asn1dec.h>
sl@0: #include <asn1enc.h>
sl@0: #include <x509cert.h>
sl@0: 
sl@0: EXPORT_C CX509DHPublicKey* CX509DHPublicKey::NewL(const TDesC8& aParamsData, const TDesC8& aKeyData)
sl@0: 	{
sl@0: 	CX509DHPublicKey* me = CX509DHPublicKey::NewLC(aParamsData, aKeyData);
sl@0: 	CleanupStack::Pop(me);
sl@0: 	return (me);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHPublicKey* CX509DHPublicKey::NewLC(const TDesC8& aParamsData, const TDesC8& aKeyData)
sl@0: 	{
sl@0: 		CX509DHPublicKey* me = new (ELeave) CX509DHPublicKey();
sl@0: 		CleanupStack::PushL(me);
sl@0: 		me->ConstructL(aParamsData, aKeyData);
sl@0: 		return (me);	
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHPublicKey::~CX509DHPublicKey()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CX509DHPublicKey::CX509DHPublicKey()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CX509DHPublicKey::ConstructL(const TDesC8& aParamsData, const TDesC8& aKeyData)
sl@0: 	{
sl@0: 	CX509DHDomainParams* params=CX509DHDomainParams::NewLC(aParamsData);
sl@0: 	iN = RInteger::NewL(params->P());	
sl@0: 	iG = RInteger::NewL(params->G());	
sl@0: 	iX = RInteger::NewL(aKeyData);	
sl@0: 	CleanupStack::PopAndDestroy(params);	
sl@0: 	}
sl@0: 
sl@0: //DH params
sl@0: //DH validation params
sl@0: EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewL(const TDesC8& aBinaryData)
sl@0: 	{
sl@0: 	TInt pos = 0;
sl@0: 	return CX509DHValidationParams::NewL(aBinaryData, pos);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewLC(const TDesC8& aBinaryData)
sl@0: 	{
sl@0: 	TInt pos = 0;
sl@0: 	return CX509DHValidationParams::NewLC(aBinaryData, pos);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewL(const TDesC8& aBinaryData, TInt& aPos)
sl@0: 	{
sl@0: 	CX509DHValidationParams* self = CX509DHValidationParams::NewLC(aBinaryData, aPos);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewLC(const TDesC8& aBinaryData, TInt& aPos)
sl@0: 	{
sl@0: 	CX509DHValidationParams* self = new(ELeave) CX509DHValidationParams;
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aBinaryData, aPos);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CX509DHValidationParams::ConstructL(const TDesC8& aBinaryData, TInt& aPos)
sl@0: 	{
sl@0: 	TASN1DecGeneric dec(aBinaryData.Right(aBinaryData.Length() - aPos));
sl@0: 	dec.InitL();
sl@0: 	if (dec.Tag() != EASN1Sequence)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	TInt end = aPos + dec.LengthDER();
sl@0: 	aPos += dec.LengthDERHeader();//add header length to aPos
sl@0: 
sl@0: 	TASN1DecBitString encBS;
sl@0: 	iSeed = encBS.ExtractOctetStringL(aBinaryData, aPos);
sl@0: 	TASN1DecInteger encInt;
sl@0: 	iPGenCounter = encInt.DecodeDERLongL(aBinaryData, aPos);
sl@0: 
sl@0: 	if (aPos != end)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}	
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TPtrC8 CX509DHValidationParams::Seed() const
sl@0: 	{
sl@0: 	return *iSeed;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TInteger& CX509DHValidationParams::PGenCounter() const
sl@0: 	{
sl@0: 	return iPGenCounter;
sl@0: 	}
sl@0: 
sl@0: CX509DHValidationParams::~CX509DHValidationParams()
sl@0: 	{
sl@0: 	delete iSeed;
sl@0: 	iPGenCounter.Close();
sl@0: 	}
sl@0: 
sl@0: CX509DHValidationParams::CX509DHValidationParams()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: //DH domain params
sl@0: EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewL(const TDesC8& aBinaryData)
sl@0: 	{
sl@0: 	TInt pos = 0;
sl@0: 	return CX509DHDomainParams::NewL(aBinaryData, pos);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewLC(const TDesC8& aBinaryData)
sl@0: 	{
sl@0: 	TInt pos = 0;
sl@0: 	return CX509DHDomainParams::NewLC(aBinaryData, pos);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewL(const TDesC8& aBinaryData, TInt& aPos)
sl@0: 	{
sl@0: 	CX509DHDomainParams* self = CX509DHDomainParams::NewLC(aBinaryData, aPos);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewLC(const TDesC8& aBinaryData, TInt& aPos)
sl@0: 	{
sl@0: 	CX509DHDomainParams* self = new(ELeave) CX509DHDomainParams;
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aBinaryData, aPos);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: void CX509DHDomainParams::ConstructL(const TDesC8& aBinaryData, TInt& aPos)
sl@0: 	{
sl@0: 	TASN1DecGeneric dec(aBinaryData.Right(aBinaryData.Length() - aPos));
sl@0: 	dec.InitL();
sl@0: 	if (dec.Tag() != EASN1Sequence)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	TInt end = aPos + dec.LengthDER();
sl@0: 	aPos += dec.LengthDERHeader();//add header length to aPos
sl@0: 
sl@0: 	TASN1DecInteger encInt;
sl@0: 	iP = encInt.DecodeDERLongL(aBinaryData, aPos);
sl@0: 	iG = encInt.DecodeDERLongL(aBinaryData, aPos);
sl@0: 	if (aPos < end)
sl@0: 		{
sl@0: 		iQ = encInt.DecodeDERLongL(aBinaryData, aPos);
sl@0: 		}
sl@0: 
sl@0: 	if (aPos < end)
sl@0: 		{
sl@0: 		TASN1DecGeneric gen1(aBinaryData.Right(aBinaryData.Length() - aPos));
sl@0: 		gen1.InitL();
sl@0: 		TBool doneVal = EFalse;
sl@0: 		if (gen1.Tag() == EASN1Integer)
sl@0: 			{
sl@0: 			iJ = encInt.DecodeDERLongL(aBinaryData, aPos);
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			iValidationParams = CX509DHValidationParams::NewL(aBinaryData, aPos);
sl@0: 			doneVal = EFalse;
sl@0: 			}
sl@0: 		if ((aPos < end) && (!doneVal))
sl@0: 			{
sl@0: 			iValidationParams = CX509DHValidationParams::NewL(aBinaryData, aPos);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	if (aPos != end)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}	
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TInteger& CX509DHDomainParams::P() const
sl@0: 	{
sl@0: 	return iP;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TInteger& CX509DHDomainParams::G() const
sl@0: 	{
sl@0: 	return iG;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TInteger& CX509DHDomainParams::Q() const
sl@0: 	{
sl@0: 	return iQ;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TInteger& CX509DHDomainParams::J() const							
sl@0: 	{
sl@0: 	return iJ;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const CX509DHValidationParams* CX509DHDomainParams::ValidationParams() const
sl@0: 	{
sl@0: 	return iValidationParams;
sl@0: 	}
sl@0: 
sl@0: CX509DHDomainParams::~CX509DHDomainParams()
sl@0: 	{
sl@0: 	iP.Close();
sl@0: 	iG.Close();
sl@0: 	iQ.Close();
sl@0: 	iJ.Close();
sl@0: 	delete iValidationParams;
sl@0: 	}
sl@0: 
sl@0: CX509DHDomainParams::CX509DHDomainParams()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: //	CX509DHKeyPair
sl@0: 
sl@0: 
sl@0: EXPORT_C CX509DHKeyPair* CX509DHKeyPair::NewL(const TDesC8& aParamsData)
sl@0: {
sl@0: 	CX509DHKeyPair* me = CX509DHKeyPair::NewLC(aParamsData);
sl@0: 	CleanupStack::Pop(me);
sl@0: 	return (me);
sl@0: }
sl@0: 
sl@0: EXPORT_C CX509DHKeyPair* CX509DHKeyPair::NewLC(const TDesC8& aParamsData)
sl@0: {
sl@0: 	CX509DHKeyPair* me = new (ELeave) CX509DHKeyPair();
sl@0: 	CleanupStack::PushL(me);
sl@0: 	me->ConstructL(aParamsData);
sl@0: 	return (me);
sl@0: }
sl@0: 
sl@0: EXPORT_C CX509DHKeyPair::~CX509DHKeyPair()
sl@0: {}
sl@0: 
sl@0: CX509DHKeyPair::CX509DHKeyPair()
sl@0: {}
sl@0: 
sl@0: void CX509DHKeyPair::ConstructL(const TDesC8& aParamsData)
sl@0: {
sl@0: 	CX509DHDomainParams* params=CX509DHDomainParams::NewLC(aParamsData);
sl@0: 	RInteger n = RInteger::NewL(params->P());
sl@0: 	CleanupStack::PushL(n);
sl@0: 	RInteger g = RInteger::NewL(params->G());
sl@0: 	CleanupStack::PushL(g);
sl@0: 	
sl@0: 	CDHKeyPair::ConstructL(n, g);
sl@0: 	CleanupStack::Pop(2, &n);	//	n, g owned by this now
sl@0: 	CleanupStack::PopAndDestroy(params);	
sl@0: }