--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/test/tcryptospi/src/symmetric_mac_incremental_with_replicate_step.cpp	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,253 @@
+/*
+* Copyright (c) 2008-2009 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: 
+* Example CTestStep derived implementation
+*
+*/
+
+
+/**
+ @file
+ @internalTechnology
+*/
+#include "symmetric_mac_incremental_with_replicate_step.h"
+#include <cryptospi/cryptomacapi.h>
+#include "keys.h"
+#include <cryptospi/plugincharacteristics.h>
+
+using namespace CryptoSpi;
+
+CSymmetricMacIncrementalWithReplicateStep::~CSymmetricMacIncrementalWithReplicateStep()
+	{
+	}
+
+
+CSymmetricMacIncrementalWithReplicateStep::CSymmetricMacIncrementalWithReplicateStep()
+	{
+	SetTestStepName(KSymmetricMacIncrementalWithReplicateStep);
+	}
+
+
+TVerdict CSymmetricMacIncrementalWithReplicateStep::doTestStepPreambleL()
+	{
+	return EPass;
+	}
+
+
+TVerdict CSymmetricMacIncrementalWithReplicateStep::doTestStepL()
+	{
+	//Assume faliure, unless all is successful
+	SetTestStepResult(EFail);
+		
+	INFO_PRINTF1(_L("*** Symmetric Mac - Incremental with Replicate ***"));
+	INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+		
+	TPtrC keyPath;
+	TPtrC sourcePath;
+	TVariantPtrC algorithm;
+
+	if(	!GetStringFromConfig(ConfigSection(),KConfigEncryptKeyPath, keyPath) ||
+		!GetStringFromConfig(ConfigSection(),KConfigAlgorithmUid, algorithm) ||
+		!GetStringFromConfig(ConfigSection(),KConfigSourcePath, sourcePath))
+		{
+		User::Leave(KErrNotFound);
+		}
+	
+	// Create key 
+	TKeyProperty keyProperty;
+	CCryptoParams* keyParams = CCryptoParams::NewLC(); 
+	
+	HBufC8* convertKey = ReadInHexPlainTextL(keyPath);
+	CleanupStack::PushL(convertKey);
+	
+	keyParams->AddL(*convertKey, KSymmetricKeyParameterUid);
+	
+	CKey* key=CKey::NewL(keyProperty, *keyParams);
+	CleanupStack::PushL(key);
+	
+	//Create a pointer for the Hmac Implementation Object
+	CMac* macImpl= NULL;
+	
+	//Retrieve a Mac Factory Object			
+	TRAPD(err,CMacFactory::CreateMacL(macImpl,
+										algorithm,
+										*key,
+										NULL));
+				
+	if (err != KErrNone)
+		{
+		CleanupStack::PopAndDestroy(3, keyParams); // keyParams, convertKey, key
+		delete macImpl;
+		ERR_PRINTF2(_L("*** FAIL: Failed to Create Symmetric Mac Object - %d ***"), err);
+		return EFail;
+		}
+	
+	INFO_PRINTF1(_L("Plugin loaded."));
+	
+	//Push the Mac Implementation Object onto the Cleanup Stack
+	CleanupStack::PushL(macImpl);
+
+	RFs fsSession;
+	
+	User::LeaveIfError(fsSession.Connect());
+	CleanupClosePushL(fsSession);
+
+	RFile sourceFile;
+	CleanupClosePushL(sourceFile);
+	
+	//Open the specified source file
+	User::LeaveIfError(sourceFile.Open(fsSession,sourcePath, EFileRead));
+
+	TInt sourceLength = 0;
+	TInt readPosition = 0;
+	TInt readIncrement = 0;
+	TBool macComplete = EFalse;
+	TBool macReplicated = EFalse;
+	TPtrC8 macStr;
+	
+	CMac* macReplicateImpl = NULL;
+	
+	User::LeaveIfError(sourceFile.Size(sourceLength));
+	
+	//Divide the total size of the source file up into individual equal sized blocks to read
+	//over several increments
+	readIncrement = sourceLength/KDataReadBlocks;
+	
+	if (readIncrement == 0)
+		{
+		ERR_PRINTF2(_L("*** Error: Source File must be larger than %d bytes ***"), KDataReadBlocks);
+		User::LeaveIfError(KErrNotSupported);
+		}
+
+	do 
+		{							
+		//Create a heap based descriptor to store the data
+		HBufC8* sourceData = HBufC8::NewL(readIncrement);
+		CleanupStack::PushL(sourceData);
+		TPtr8 sourcePtr = sourceData->Des();
+		
+		//Read in a block of data from the source file from the current position
+		err = sourceFile.Read(readPosition,sourcePtr,readIncrement);
+		
+		HBufC8* convertSrc = ConvertFromHexFormatToRawL(*sourceData);
+		CleanupStack::PopAndDestroy(sourceData);
+		CleanupStack::PushL(convertSrc);
+		
+		//Update the read position by adding the number of bytes read
+		readPosition += readIncrement;
+		
+		if(readPosition == readIncrement)
+			{
+			//Read in the first block from the data file into the Mac implementation object
+			if(macReplicated == EFalse)
+				{
+				macImpl->MacL(*convertSrc);
+				INFO_PRINTF2(_L("Intial Mac - Bytes Read: %d"), readPosition);
+				}
+			else
+				{
+				macReplicateImpl->MacL(*convertSrc);
+				INFO_PRINTF2(_L("Intial Mac (Replicate) - Bytes Read: %d"), readPosition);	
+				}
+			CleanupStack::PopAndDestroy(convertSrc);
+			}
+		else if(readPosition >= sourceLength)
+			{
+			//Reading in the final block, constructs the complete hash value and returns it within a TPtrC8
+			macStr.Set(macReplicateImpl->FinalL(*convertSrc));
+			
+			CleanupStack::PopAndDestroy(convertSrc);
+			
+			//Sets the Complete Flag to ETrue in order to drop out of the loop
+			macComplete = ETrue;
+			
+			TInt totalRead = (readPosition - readIncrement) + (*sourceData).Length();
+			INFO_PRINTF2(_L("Final Mac - Bytes Read: %d"),totalRead);
+			}
+		//If the read position is half the source length and the implementation
+		//object hasn't already been replicated
+		else if((readPosition >= sourceLength/2) && (macReplicated == EFalse))
+			{
+			INFO_PRINTF1(_L("Replicating Mac Object..."));
+			macImpl->UpdateL(*convertSrc);
+			
+			CleanupStack::PopAndDestroy(convertSrc);
+			
+			//Create a Copy of the existing Mac Object with NO internal message state
+			macReplicateImpl = macImpl->ReplicateL();
+			
+			macReplicated = ETrue;
+			
+			//Sets the read position back to 0 inorder to restart the file read from the beginning
+			readPosition =0;
+			CleanupStack::PushL(macReplicateImpl);
+			INFO_PRINTF2(_L("*** Mac REPLICATE - Bytes Read: %d ***"), readPosition);
+			}
+		else
+			{
+			//Update the message data within the Mac object with the new block
+			if(macReplicated == EFalse)
+				{
+				macImpl->UpdateL(*convertSrc);
+				INFO_PRINTF2(_L("Mac Update - Bytes Read: %d"), readPosition);		
+				}
+			else
+				{
+				macReplicateImpl->UpdateL(*convertSrc);
+				INFO_PRINTF2(_L("Mac Update (Replicate) - Bytes Read: %d"), readPosition);		
+				}
+			CleanupStack::PopAndDestroy(convertSrc);
+			}					
+		}while(macComplete == EFalse);
+
+	//Create a NULL TCharacteristics pointer
+	const TCharacteristics* charsPtr(NULL);
+	
+	//Retrieve the characteristics for the mac implementation object
+	TRAP_LOG(err, macImpl->GetCharacteristicsL(charsPtr));
+	
+	//Static cast the characteristics to type TMacCharacteristics
+	const TMacCharacteristics* macCharsPtr = static_cast<const TMacCharacteristics*>(charsPtr);
+	
+	//The mac output size is returned in Bits, divide by 8 to get the Byte size
+	TInt macSize = macCharsPtr->iCipherAlgorithmChar->iBlockSize/8;
+	HBufC8* macData = HBufC8::NewLC(macSize);
+	TPtr8 macPtr = macData->Des();
+
+	macPtr.Copy(macStr);
+
+	//Check that expected data equals the encrypted data
+	HBufC8* encryptedFileData = ReadInHexCiphertextL();
+	CleanupStack::PushL(encryptedFileData);
+			
+	if(	!macPtr.Compare(TPtrC8(*encryptedFileData)))
+		{
+		INFO_PRINTF1(_L("*** Mac - Incremental with Replicate : PASS ***"));
+		SetTestStepResult(EPass);	
+		}
+	else
+		{
+		ERR_PRINTF2(_L("*** FAIL: Mac Mismatch  ***"), err);
+		}						
+
+	CleanupStack::PopAndDestroy(9, keyParams);	// keyParams, convertKey, key, macImpl, &fsSession, &sourceFile, macReplicateImpl, macData, encryptedFileData
+	INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+	return TestStepResult();  
+	}
+
+
+TVerdict CSymmetricMacIncrementalWithReplicateStep::doTestStepPostambleL()
+	{
+	return TestStepResult();
+	}