diff -r 000000000000 -r 2c201484c85f crypto/weakcrypto/source/asymmetric/dh.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/crypto/weakcrypto/source/asymmetric/dh.cpp Wed Jul 08 11:25:26 2009 +0100 @@ -0,0 +1,50 @@ +/* +* 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 +#include +#include + +EXPORT_C CDH* CDH::NewL(const CDHPrivateKey& aPrivateKey) + { + CDH* self = new(ELeave) CDH(aPrivateKey); + return self; + } + +EXPORT_C CDH* CDH::NewLC(const CDHPrivateKey& aPrivateKey) + { + CDH* self = NewL(aPrivateKey); + CleanupStack::PushL(self); + return self; + } + +EXPORT_C HBufC8* CDH::AgreeL(const CDHPublicKey& aPublicKey) const + { + //Calculate X^x mod N + RInteger result = TInteger::ModularExponentiateL(aPublicKey.X(), + iPrivateKey.x(), aPublicKey.N()); + CleanupStack::PushL(result); + HBufC8* key = result.BufferLC(); + CleanupStack::Pop(key); + CleanupStack::PopAndDestroy(&result); + return key; + } + +EXPORT_C CDH::CDH(const CDHPrivateKey& aPrivateKey) : iPrivateKey(aPrivateKey) + { + }