sl@0: /*
sl@0: * Copyright (c) 2002-2009 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 "tmontgomeryvector.h"
sl@0: #include "t_input.h"
sl@0: #include <bigint.h>
sl@0: #include "../../source/bigint/mont.h"
sl@0: 
sl@0: CTestAction* CMontgomeryVector::NewL(RFs& aFs, CConsoleBase& aConsole, 
sl@0: 	Output& aOut, const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CTestAction* self = CMontgomeryVector::NewLC(aFs, aConsole,
sl@0: 		aOut, aTestActionSpec);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CTestAction* CMontgomeryVector::NewLC(RFs& aFs, CConsoleBase& aConsole, 
sl@0: 	Output& aOut, const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CMontgomeryVector* self = new(ELeave) CMontgomeryVector(aFs, aConsole, aOut);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aTestActionSpec);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CMontgomeryVector::~CMontgomeryVector()
sl@0: 	{
sl@0: 	delete iBody;
sl@0: 	delete iA;
sl@0: 	delete iB;
sl@0: 	delete iModulus;
sl@0: 	delete iAns;
sl@0: 	}
sl@0: 
sl@0: CMontgomeryVector::CMontgomeryVector(RFs& aFs, CConsoleBase& aConsole, 
sl@0: 	Output& aOut) : CTestAction(aConsole, aOut), iFs(aFs)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CMontgomeryVector::ConstructL(const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CTestAction::ConstructL(aTestActionSpec);
sl@0: 	iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length());
sl@0: 	iBody->Des().Copy(aTestActionSpec.iActionBody);
sl@0: 
sl@0: 	iA = Input::ParseElementHexL(*iBody, _L8("<a>"));
sl@0: 	iB = Input::ParseElementHexL(*iBody, _L8("<b>"));
sl@0: 	iModulus = Input::ParseElementHexL(*iBody, _L8("<modulus>"));
sl@0: 	iAns = Input::ParseElementHexL(*iBody, _L8("<ans>"));
sl@0: 	TPtrC8 op = Input::ParseElement(*iBody, _L8("<op>"));
sl@0: 	if( op == _L8("multiply") )
sl@0: 		{
sl@0: 		iOp = EMultiply;
sl@0: 		}
sl@0: 	else if( op == _L8("square") )
sl@0: 		{
sl@0: 		iOp = ESquare;
sl@0: 		}
sl@0: 	else if( op == _L8("reduce") )
sl@0: 		{
sl@0: 		iOp = EReduce;
sl@0: 		}
sl@0: 	else if( op == _L8("exponentiate") )
sl@0: 		{
sl@0: 		iOp = EExponentiate;
sl@0: 		}
sl@0: 	else 
sl@0: 		{
sl@0: 		User::Panic(_L("tmontgomeryvector"), 1);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CMontgomeryVector::DoPerformPrerequisite(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	iActionState = CTestAction::EAction;
sl@0: 	}
sl@0: 
sl@0: void CMontgomeryVector::DoPerformPostrequisite(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	iFinished = ETrue;
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CMontgomeryVector::DoReportAction(void)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CMontgomeryVector::DoCheckResult(TInt)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CMontgomeryVector::PerformAction(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	__UHEAP_MARK;
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	iResult = ETrue;
sl@0: 
sl@0:  	RInteger a = RInteger::NewL(*iA);
sl@0: 	CleanupStack::PushL(a);
sl@0: 	RInteger b = RInteger::NewL(*iB);
sl@0: 	CleanupStack::PushL(b);
sl@0: 	RInteger modulus = RInteger::NewL(*iModulus);
sl@0: 	CleanupStack::PushL(modulus);
sl@0: 	RInteger ans = RInteger::NewL(*iAns);
sl@0: 	CleanupStack::PushL(ans);
sl@0: 	CMontgomeryStructure* mont = CMontgomeryStructure::NewL(modulus);
sl@0: 	CleanupStack::PushL(mont);
sl@0: 	//we don't own out at any point, it remains the propery of mont
sl@0: 	const TInteger* out = 0;
sl@0: 	switch(iOp)
sl@0: 		{
sl@0: 		case EMultiply:
sl@0: 			out = &(mont->MultiplyL(a, b));
sl@0: 			break;
sl@0: 		case ESquare:
sl@0: 			out = &(mont->SquareL(a));
sl@0: 			break;
sl@0: 		case EReduce:
sl@0: 			out = &(mont->ReduceL(a));
sl@0: 			break;
sl@0: 		case EExponentiate:
sl@0: 			out = &(mont->ExponentiateL(a, b));
sl@0: 			break;
sl@0: 		default:
sl@0: 			User::Panic(_L("tbasicmathsvector"), 2);
sl@0: 			break;
sl@0: 		}
sl@0: 
sl@0: 	if( *out != ans )
sl@0: 		{
sl@0: 		iResult = EFalse;
sl@0: 		}
sl@0: 	CleanupStack::PopAndDestroy(mont);
sl@0: 	CleanupStack::PopAndDestroy(4); //ans, modulus, b,a 
sl@0: 
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	iActionState = CTestAction::EPostrequisite;
sl@0: 	__UHEAP_MARKEND;
sl@0: 	}
sl@0: