--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/test/tcryptospi/src/mac_incremental_step.cpp	Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,224 @@
+/*
+* 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 "mac_incremental_step.h"
+#include <cryptospi/cryptomacapi.h>
+#include "keys.h"
+#include <cryptospi/plugincharacteristics.h>
+
+using namespace CryptoSpi;
+
+CMacIncrementalStep::~CMacIncrementalStep()
+	{
+	}
+
+
+CMacIncrementalStep::CMacIncrementalStep()
+	{
+	SetTestStepName(KMacIncrementalStep);
+	}
+
+
+TVerdict CMacIncrementalStep::doTestStepPreambleL()
+	{
+	return EPass;
+	}
+
+
+TVerdict CMacIncrementalStep::doTestStepL()
+	{
+	//Assume faliure, unless all is successful
+	SetTestStepResult(EFail);
+		
+	INFO_PRINTF1(_L("*** Mac - Incremental ***"));
+	INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+	
+	TVariantPtrC algorithmUid;
+	TPtrC sourcePath;
+	TPtrC expectedMac;
+	TPtrC encryptKey;
+	TVariantPtrC keyType;
+	
+	//Extract the Test Case ID parameter from the specified INI file
+	if (!GetStringFromConfig(ConfigSection(),KConfigAlgorithmUid,algorithmUid) ||
+		!GetStringFromConfig(ConfigSection(),KConfigSourcePath,sourcePath) ||
+		!GetStringFromConfig(ConfigSection(),KConfigExMacValue,expectedMac) ||
+		!GetStringFromConfig(ConfigSection(),KConfigEncryptKey,encryptKey) ||
+		!GetStringFromConfig(ConfigSection(),KConfigEncryptKeyType,keyType))
+		{
+		ERR_PRINTF1(_L("** Error: Failed to Load Configuration Parameters **"));
+		return EFail;
+		}
+
+	//Create a pointer for the Mac + Key Implementation Object
+	CMac* macImpl = NULL;
+	
+	//Convert encryption key to an 8 Bit Descriptor
+	HBufC8* keyStr = HBufC8::NewLC(encryptKey.Length());
+	TPtr8 keyStrPtr = keyStr->Des();
+	
+	keyStrPtr.Copy(encryptKey);
+	
+	//Create an new CryptoParams object to encapsulate the key type and secret key string
+	CCryptoParams* keyParams = CCryptoParams::NewL();
+	CleanupStack::PushL(keyParams);
+	keyParams->AddL(*keyStr,keyType);
+	
+	//Create Key Object
+	TKeyProperty keyProperty;
+	CKey* key=CKey::NewL(keyProperty,*keyParams);
+	CleanupStack::PushL(key);
+	
+	//Retrieve a Mac Factory Object		
+	TRAPD(err,CMacFactory::CreateMacL(macImpl,
+										algorithmUid,
+										*key,
+										NULL));										
+
+	if (err != KErrNone)
+		{
+		CleanupStack::PopAndDestroy(3, keyStr);	// keyStr, keyParams, key
+		delete macImpl;
+		ERR_PRINTF2(_L("*** FAIL: Failed to Create Mac Object - %d ***"), err);
+		return EFail;
+		}
+	
+	//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;
+	TPtrC8 macStr;
+	
+	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);
+		
+		//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
+			macImpl->MacL(*sourceData);
+			INFO_PRINTF2(_L("Intial Mac - Bytes Read: %d"), readPosition);
+			}
+		else if (readPosition >= sourceLength)
+			{
+			//Reading in the final block, constructs the complete mac value and returns it within a TPtrC8
+			macStr.Set(macImpl->FinalL(*sourceData));
+			
+			//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);
+			}
+		else
+			{
+			//Update the message data within the Mac object with the new block
+			macImpl->UpdateL(*sourceData);
+			INFO_PRINTF2(_L("Mac Update - Bytes Read: %d"), readPosition);
+			}
+		
+		CleanupStack::PopAndDestroy(sourceData);
+			
+		}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->iHashAlgorithmChar->iOutputSize/8;
+		
+	//Retrieve the final 8 bit mac value and convert to 16bit												
+	HBufC* macData = HBufC::NewLC(macSize);
+	TPtr macPtr = macData->Des();
+	
+	macPtr.Copy(macStr);
+	
+	//Take the 16 bit descriptor and convert the string to hexadecimal
+	TVariantPtrC convertMac;
+	convertMac.Set(macPtr);
+	HBufC* macResult = convertMac.HexStringLC();								
+	
+	INFO_PRINTF2(_L("*** Mac Data: %S ***"),&*macResult);
+	INFO_PRINTF2(_L("*** Expected Mac: %S ***"),&expectedMac);
+		
+	//If the returned mac value matches the expected mac, Pass the test	
+	if (*macResult == expectedMac)
+		{
+		INFO_PRINTF1(_L("*** Mac - Incremental Hash : PASS ***"));
+		SetTestStepResult(EPass);	
+		}
+	else
+		{
+		ERR_PRINTF2(_L("*** FAIL: Generated Mac and Expected Mac Mismatch  ***"), err);
+		}				
+
+	CleanupStack::PopAndDestroy(8, keyStr);	// keyStr, keyParams, key, macImpl, &fsSession, &sourceFile, macData, macResult
+	INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+	return TestStepResult();
+	}
+
+
+TVerdict CMacIncrementalStep::doTestStepPostambleL()
+	{
+	return TestStepResult();
+	}