--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/x509/x509keysDH.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,273 @@
+/*
+* Copyright (c) 1998-2009 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 <x509keys.h>
+#include <asn1dec.h>
+#include <asn1enc.h>
+#include <x509cert.h>
+
+EXPORT_C CX509DHPublicKey* CX509DHPublicKey::NewL(const TDesC8& aParamsData, const TDesC8& aKeyData)
+	{
+	CX509DHPublicKey* me = CX509DHPublicKey::NewLC(aParamsData, aKeyData);
+	CleanupStack::Pop(me);
+	return (me);
+	}
+
+EXPORT_C CX509DHPublicKey* CX509DHPublicKey::NewLC(const TDesC8& aParamsData, const TDesC8& aKeyData)
+	{
+		CX509DHPublicKey* me = new (ELeave) CX509DHPublicKey();
+		CleanupStack::PushL(me);
+		me->ConstructL(aParamsData, aKeyData);
+		return (me);	
+	}
+
+EXPORT_C CX509DHPublicKey::~CX509DHPublicKey()
+	{
+	}
+
+CX509DHPublicKey::CX509DHPublicKey()
+	{
+	}
+
+void CX509DHPublicKey::ConstructL(const TDesC8& aParamsData, const TDesC8& aKeyData)
+	{
+	CX509DHDomainParams* params=CX509DHDomainParams::NewLC(aParamsData);
+	iN = RInteger::NewL(params->P());	
+	iG = RInteger::NewL(params->G());	
+	iX = RInteger::NewL(aKeyData);	
+	CleanupStack::PopAndDestroy(params);	
+	}
+
+//DH params
+//DH validation params
+EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewL(const TDesC8& aBinaryData)
+	{
+	TInt pos = 0;
+	return CX509DHValidationParams::NewL(aBinaryData, pos);
+	}
+
+EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewLC(const TDesC8& aBinaryData)
+	{
+	TInt pos = 0;
+	return CX509DHValidationParams::NewLC(aBinaryData, pos);
+	}
+
+EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewL(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	CX509DHValidationParams* self = CX509DHValidationParams::NewLC(aBinaryData, aPos);
+	CleanupStack::Pop();
+	return self;
+	}
+
+EXPORT_C CX509DHValidationParams* CX509DHValidationParams::NewLC(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	CX509DHValidationParams* self = new(ELeave) CX509DHValidationParams;
+	CleanupStack::PushL(self);
+	self->ConstructL(aBinaryData, aPos);
+	return self;
+	}
+
+void CX509DHValidationParams::ConstructL(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	TASN1DecGeneric dec(aBinaryData.Right(aBinaryData.Length() - aPos));
+	dec.InitL();
+	if (dec.Tag() != EASN1Sequence)
+		{
+		User::Leave(KErrArgument);
+		}
+	TInt end = aPos + dec.LengthDER();
+	aPos += dec.LengthDERHeader();//add header length to aPos
+
+	TASN1DecBitString encBS;
+	iSeed = encBS.ExtractOctetStringL(aBinaryData, aPos);
+	TASN1DecInteger encInt;
+	iPGenCounter = encInt.DecodeDERLongL(aBinaryData, aPos);
+
+	if (aPos != end)
+		{
+		User::Leave(KErrArgument);
+		}	
+	}
+
+EXPORT_C const TPtrC8 CX509DHValidationParams::Seed() const
+	{
+	return *iSeed;
+	}
+
+EXPORT_C const TInteger& CX509DHValidationParams::PGenCounter() const
+	{
+	return iPGenCounter;
+	}
+
+CX509DHValidationParams::~CX509DHValidationParams()
+	{
+	delete iSeed;
+	iPGenCounter.Close();
+	}
+
+CX509DHValidationParams::CX509DHValidationParams()
+	{
+	}
+
+//DH domain params
+EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewL(const TDesC8& aBinaryData)
+	{
+	TInt pos = 0;
+	return CX509DHDomainParams::NewL(aBinaryData, pos);
+	}
+
+EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewLC(const TDesC8& aBinaryData)
+	{
+	TInt pos = 0;
+	return CX509DHDomainParams::NewLC(aBinaryData, pos);
+	}
+
+EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewL(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	CX509DHDomainParams* self = CX509DHDomainParams::NewLC(aBinaryData, aPos);
+	CleanupStack::Pop();
+	return self;
+	}
+
+EXPORT_C CX509DHDomainParams* CX509DHDomainParams::NewLC(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	CX509DHDomainParams* self = new(ELeave) CX509DHDomainParams;
+	CleanupStack::PushL(self);
+	self->ConstructL(aBinaryData, aPos);
+	return self;
+	}
+
+void CX509DHDomainParams::ConstructL(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	TASN1DecGeneric dec(aBinaryData.Right(aBinaryData.Length() - aPos));
+	dec.InitL();
+	if (dec.Tag() != EASN1Sequence)
+		{
+		User::Leave(KErrArgument);
+		}
+	TInt end = aPos + dec.LengthDER();
+	aPos += dec.LengthDERHeader();//add header length to aPos
+
+	TASN1DecInteger encInt;
+	iP = encInt.DecodeDERLongL(aBinaryData, aPos);
+	iG = encInt.DecodeDERLongL(aBinaryData, aPos);
+	if (aPos < end)
+		{
+		iQ = encInt.DecodeDERLongL(aBinaryData, aPos);
+		}
+
+	if (aPos < end)
+		{
+		TASN1DecGeneric gen1(aBinaryData.Right(aBinaryData.Length() - aPos));
+		gen1.InitL();
+		TBool doneVal = EFalse;
+		if (gen1.Tag() == EASN1Integer)
+			{
+			iJ = encInt.DecodeDERLongL(aBinaryData, aPos);
+			}
+		else
+			{
+			iValidationParams = CX509DHValidationParams::NewL(aBinaryData, aPos);
+			doneVal = EFalse;
+			}
+		if ((aPos < end) && (!doneVal))
+			{
+			iValidationParams = CX509DHValidationParams::NewL(aBinaryData, aPos);
+			}
+		}
+
+	if (aPos != end)
+		{
+		User::Leave(KErrArgument);
+		}	
+	}
+
+EXPORT_C const TInteger& CX509DHDomainParams::P() const
+	{
+	return iP;
+	}
+
+EXPORT_C const TInteger& CX509DHDomainParams::G() const
+	{
+	return iG;
+	}
+
+EXPORT_C const TInteger& CX509DHDomainParams::Q() const
+	{
+	return iQ;
+	}
+
+EXPORT_C const TInteger& CX509DHDomainParams::J() const							
+	{
+	return iJ;
+	}
+
+EXPORT_C const CX509DHValidationParams* CX509DHDomainParams::ValidationParams() const
+	{
+	return iValidationParams;
+	}
+
+CX509DHDomainParams::~CX509DHDomainParams()
+	{
+	iP.Close();
+	iG.Close();
+	iQ.Close();
+	iJ.Close();
+	delete iValidationParams;
+	}
+
+CX509DHDomainParams::CX509DHDomainParams()
+	{
+	}
+
+//	CX509DHKeyPair
+
+
+EXPORT_C CX509DHKeyPair* CX509DHKeyPair::NewL(const TDesC8& aParamsData)
+{
+	CX509DHKeyPair* me = CX509DHKeyPair::NewLC(aParamsData);
+	CleanupStack::Pop(me);
+	return (me);
+}
+
+EXPORT_C CX509DHKeyPair* CX509DHKeyPair::NewLC(const TDesC8& aParamsData)
+{
+	CX509DHKeyPair* me = new (ELeave) CX509DHKeyPair();
+	CleanupStack::PushL(me);
+	me->ConstructL(aParamsData);
+	return (me);
+}
+
+EXPORT_C CX509DHKeyPair::~CX509DHKeyPair()
+{}
+
+CX509DHKeyPair::CX509DHKeyPair()
+{}
+
+void CX509DHKeyPair::ConstructL(const TDesC8& aParamsData)
+{
+	CX509DHDomainParams* params=CX509DHDomainParams::NewLC(aParamsData);
+	RInteger n = RInteger::NewL(params->P());
+	CleanupStack::PushL(n);
+	RInteger g = RInteger::NewL(params->G());
+	CleanupStack::PushL(g);
+	
+	CDHKeyPair::ConstructL(n, g);
+	CleanupStack::Pop(2, &n);	//	n, g owned by this now
+	CleanupStack::PopAndDestroy(params);	
+}