--- 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;
- }
-