crypto/weakcrypto/test/tbigint/tmontgomeryfb.cpp
branchRCL_3
changeset 62 a71299154b21
parent 61 641f389e9157
child 63 94225563cd41
--- a/crypto/weakcrypto/test/tbigint/tmontgomeryfb.cpp	Tue Aug 31 17:00:08 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,149 +0,0 @@
-/*
-* Copyright (c) 2002-2009 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 "tmontgomeryfb.h"
-#include "t_input.h"
-#include "t_output.h"
-#include "tutils.h"
-#include <bigint.h>
-#include <random.h>
-#include "../../source/bigint/mont.h"
-
-CTestAction* CMontgomeryFB::NewL(RFs& aFs, CConsoleBase& aConsole, 
-	Output& aOut, const TTestActionSpec& aTestActionSpec)
-	{
-	CTestAction* self = CMontgomeryFB::NewLC(aFs, aConsole,
-		aOut, aTestActionSpec);
-	CleanupStack::Pop();
-	return self;
-	}
-
-CTestAction* CMontgomeryFB::NewLC(RFs& aFs, CConsoleBase& aConsole, 
-	Output& aOut, const TTestActionSpec& aTestActionSpec)
-	{
-	CMontgomeryFB* self = new(ELeave) CMontgomeryFB(aFs, aConsole, aOut);
-	CleanupStack::PushL(self);
-	self->ConstructL(aTestActionSpec);
-	return self;
-	}
-
-CMontgomeryFB::~CMontgomeryFB()
-	{
-	delete iBody;
-	}
-
-CMontgomeryFB::CMontgomeryFB(RFs& aFs, CConsoleBase& aConsole, Output& aOut)
-	: CTestAction(aConsole, aOut), iFs(aFs)
-	{
-	}
-
-void CMontgomeryFB::ConstructL(const TTestActionSpec& aTestActionSpec)
-	{
-	CTestAction::ConstructL(aTestActionSpec);
-
-	iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length());
-	iBody->Des().Copy(aTestActionSpec.iActionBody);
-
-	HBufC8* length = Input::ParseElementHexL(*iBody, _L8("<bits>"));
-	CleanupStack::PushL(length);
-	RInteger clength = RInteger::NewL(*length);
-	CleanupStack::PopAndDestroy(length);
-	CleanupStack::PushL(clength);
-	TUint bits = clength.ConvertToLongL();
-	CleanupStack::PopAndDestroy();//clength
-	// the final /7 gives the number of times we have to increment by 7 to get
-	// to that number of bytes and hence bits.
-	iIterations = ((bits+7)/8)/7 + 1;
-	}
-
-void CMontgomeryFB::DoPerformPrerequisite(TRequestStatus& aStatus)
-	{
-	TRequestStatus* status = &aStatus;
-	User::RequestComplete(status, KErrNone);
-	iActionState = CTestAction::EAction;
-	}
-
-void CMontgomeryFB::DoPerformPostrequisite(TRequestStatus& aStatus)
-	{
-	TRequestStatus* status = &aStatus;
-	iFinished = ETrue;
-	User::RequestComplete(status, KErrNone);
-	}
-
-void CMontgomeryFB::DoReportAction(void)
-	{
-	}
-
-void CMontgomeryFB::DoCheckResult(TInt)
-	{
-	}
-
-void CMontgomeryFB::PerformAction(TRequestStatus& aStatus)
-	{
-	TRAPD(res, PerformActionL());
-	__ASSERT_ALWAYS(!res, User::Panic(_L("CMontgomeryFB::PerformAction"), res));
-	TRequestStatus* status = &aStatus;
-	User::RequestComplete(status, KErrNone);
-	iActionState = CTestAction::EPostrequisite;
-	}
-
-void CMontgomeryFB::PerformActionL()
-	{
-	__UHEAP_MARK;
-	
-	iResult = ETrue;
-
-	//Generate iIterations*7 byte random sequences we are using 7 as it's a
-	//generator mod 8.  Thus we'll cycle through every value (0-7) every 8
-	//iterations.  This gives us a better feeling that certain byte lengths
-	//(and thus bit lengths as the byte is chosen randomly) don't have errors.
-	for(TUint i=1; i<=iIterations; i++)
-		{ 
-		//generate a prime of roughly i*7*8 bits
-		RInteger prime = RInteger::NewPrimeL(i*7*8);
-		CleanupStack::PushL(prime);
-		CMontgomeryStructure* mont = CMontgomeryStructure::NewLC(prime);
-		
-		//generate a random number of x | 2 < x < prime
-		RInteger base = RInteger::NewRandomL(TInteger::Two(), prime);
-		CleanupStack::PushL(base);
-		
-		//This is using Fermat's Little Theorem
-		//  (base ^ prime) % prime == base or
-		//  (base ^ prime-1) % prime == 1
-		const TInteger& y = mont->ExponentiateL(base, prime);
-		if( y != base )
-			{
-			iResult = EFalse;
-			iConsole.Printf(_L("X"));
-			iOut.writeString(_L("Failure exponentiating:"));
-			iOut.writeNewLine();
-			Utils::DumpInteger(iOut, _L("base: "), base);
-			Utils::DumpInteger(iOut, _L("prime: "), prime);
-			Utils::DumpInteger(iOut, _L("output: "), (const RInteger&)y);
-			Utils::DumpInteger(iOut, _L("expected: "), base);
-			}
-
-		CleanupStack::PopAndDestroy(3, &prime);//base,mont,prime
-
-		iConsole.Printf(_L("."));
-		}
-
-	__UHEAP_MARKEND;
-	}
-