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/*
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* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* Example CTestStep derived implementation
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*
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*/
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/**
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@file
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@internalTechnology
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*/
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#include "symmetriccipherencrypteddatacheckstep.h"
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using namespace CryptoSpi;
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CSymmetricCipherEncryptedDataCheckStep::CSymmetricCipherEncryptedDataCheckStep()
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{
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}
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CSymmetricCipherEncryptedDataCheckStep::~CSymmetricCipherEncryptedDataCheckStep()
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{
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}
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TVerdict CSymmetricCipherEncryptedDataCheckStep::doTestStepPreambleL()
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{
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SetTestStepResult(EPass);
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return TestStepResult();
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}
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TVerdict CSymmetricCipherEncryptedDataCheckStep::doTestStepL()
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{
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INFO_PRINTF1(_L("*** Symmetric Cipher - Encrypted Data Check ***"));
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INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
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if (TestStepResult()==EPass)
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{
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//Assume faliure, unless all is successful
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SetTestStepResult(EFail);
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TVariantPtrC operationMode;
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// Create a Symmetric Cipher with the values from the ini file
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CryptoSpi::CSymmetricCipher * impl = NULL;
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CKey* key = NULL;
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SetupCipherL(ETrue, ETrue, operationMode, impl, key);
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INFO_PRINTF1(_L("Plugin loaded."));
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CleanupStack::PushL(key);
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CleanupStack::PushL(impl);
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//read from src file
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HBufC8* srcData = ReadInPlaintextL();
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CleanupStack::PushL(srcData);
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//Create buffer for encrypted data
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TInt maxOutputLength = impl->MaxFinalOutputLength(srcData->Length());
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HBufC8* encrypted = HBufC8::NewLC(maxOutputLength);
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TPtr8 encryptedPtr = encrypted->Des();
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TInt err;
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if (((TUid)operationMode == KOperationModeCBCUid) || (TUid(operationMode) == KOperationModeCTRUid))
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{
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TInt blockSize(0);
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if (TUid(operationMode) == KOperationModeCTRUid)
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{
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blockSize = CtrModeCalcBlockSizeL(*impl);
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}
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else
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{
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blockSize = impl->BlockSize();
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}
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// blocksize is in bits so to allocate the correct number of bytes devide by 8
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HBufC8* iv = HBufC8::NewLC(blockSize/8);
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// blocksize is in bits so to allocate the correct number of 8 byte chunks divide by 64
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for(TInt i = 0 ; i < blockSize/64 ; i++)
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{
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iv->Des().Append(_L8("12345678"));
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}
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TRAP_LOG(err,impl->SetIvL(iv->Des()));
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CleanupStack::PopAndDestroy(iv);
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}
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INFO_PRINTF1(_L("Encrypting Source Data..."));
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//Perform the encryption operation
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TRAP_LOG(err, impl->ProcessFinalL((*srcData), encryptedPtr));
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if(err == KErrNone)
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{
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//Check that expected data equals the encrypted data
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HBufC8* encryptedFileData = ReadInHexCiphertextL();
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CleanupStack::PushL(encryptedFileData);
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if( !encryptedPtr.Compare(TPtrC8(*encryptedFileData)))
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{
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INFO_PRINTF1(_L("PASS : Encrypted Cipher Text Matches Expected Data"));
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SetTestStepResult(EPass);
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}
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else
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{
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INFO_PRINTF1(_L("FAIL : Encrypted Cipher Text and Expected Data Mismatch"));
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SetTestStepResult(EFail);
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}
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CleanupStack::PopAndDestroy(encryptedFileData);
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}
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CleanupStack::PopAndDestroy(encrypted);
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CleanupStack::PopAndDestroy(srcData);
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CleanupStack::PopAndDestroy(impl);
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CleanupStack::PopAndDestroy(key);
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}
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INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
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return TestStepResult();
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}
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TVerdict CSymmetricCipherEncryptedDataCheckStep::doTestStepPostambleL()
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{
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return TestStepResult();
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}
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