TVerdict CHashIncrementalHashWithCopyStep::doTestStepL()
{
if (TestStepResult()==EPass)
{
//Assume faliure, unless all is successful
SetTestStepResult(EFail);
INFO_PRINTF1(_L("*** Hash - Incremental Hash with Copy ***"));
INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
TVariantPtrC algorithmUid;
TVariantPtrC operationModeUid;
TPtrC sourcePath;
TPtrC expectedHash;
//Extract the Test Case ID parameter from the specified INI file
if(!GetStringFromConfig(ConfigSection(),KConfigAlgorithmUid,algorithmUid) ||
!GetStringFromConfig(ConfigSection(),KConfigOperationMode,operationModeUid) ||
!GetStringFromConfig(ConfigSection(),KConfigSourcePath,sourcePath) ||
!GetStringFromConfig(ConfigSection(),KConfigExHashHmacValue,expectedHash))
{
ERR_PRINTF1(_L("** Error: Failed to Load Configuration Parameters **"));
SetTestStepResult(EFail);
}
else
{
//Create a pointer for the Hash Implementation Object
CHash* hashImpl = NULL;
//Retrieve a Hash Factory Object
TRAPD(err,CHashFactory::CreateHashL(hashImpl,
algorithmUid,
operationModeUid,
NULL,
NULL));
if(hashImpl && (err == KErrNone))
{
//Push the Hash Implementation Object onto the Cleanup Stack
CleanupStack::PushL(hashImpl);
RFs fsSession;
//Create a connection to the file server
err = fsSession.Connect();
if(err != KErrNone)
{
ERR_PRINTF2(_L("*** Error: File Server Connection - %d ***"), err);
SetTestStepResult(EFail);
}
else
{
RFile sourceFile;
CleanupClosePushL(sourceFile);
//Open the specified source file
err = sourceFile.Open(fsSession,sourcePath, EFileRead);
if(err != KErrNone)
{
ERR_PRINTF2(_L("*** Error: Opening Source File - %d ***"), err);
SetTestStepResult(EFail);
}
else
{
TInt sourceLength = 0;
TInt readPosition = 0;
TInt readIncrement = 0;
TBool hashComplete = EFalse;
TBool hashCopied = EFalse;
TPtrC8 hashStr;
CHash* hashCopyImpl = 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;
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 Hash implementation object
hashImpl->Hash(*sourceData);
INFO_PRINTF2(_L("Intial Hash - Bytes Read: %d"), readPosition);
}
else if(readPosition >= sourceLength)
{
//Reading in the final block, constructs the complete hash value and returns it within a TPtrC8
hashStr.Set(hashCopyImpl->Final(*sourceData));
//Sets the Complete Flag to ETrue in order to drop out of the loop
hashComplete = ETrue;
TInt totalRead = (readPosition - readIncrement) + (*sourceData).Length();
INFO_PRINTF2(_L("Final Hash - Bytes Read: %d"),totalRead);
}
//If the read position is half the source length and the implementation
//object hasn't already been copied
else if((readPosition >= sourceLength/2) && (hashCopied == EFalse))
{
//Update the hash message before copying
hashImpl->Update(*sourceData);
INFO_PRINTF1(_L("Copying Hash Object..."));
//Create a Copy of the existing Hash Object and all internal state of the message digest
hashCopyImpl = hashImpl->CopyL();
hashCopied = ETrue;
INFO_PRINTF2(_L("*** HASH COPY - Bytes Read: %d ***"), readPosition);
}
else
{
//Update the message data within the Hash object with the new block
if(hashCopied == EFalse)
{
hashImpl->Update(*sourceData);
INFO_PRINTF2(_L("Hash Update - Bytes Read: %d"), readPosition);
}
else
{
hashCopyImpl->Update(*sourceData);
INFO_PRINTF2(_L("Hash Update (Copy) - Bytes Read: %d"), readPosition);
}
}
CleanupStack::PopAndDestroy(sourceData);
}while(hashComplete == EFalse);
//Create a NULL TCharacteristics pointer
const TCharacteristics* charsPtr(NULL);
//Retrieve the characteristics for the hash implementation object
TRAP_LOG(err, hashImpl->GetCharacteristicsL(charsPtr));
//Static cast the characteristics to type THashCharacteristics
const THashCharacteristics* hashCharsPtr = static_cast<const THashCharacteristics*>(charsPtr);
//The hash output size is returned in Bits, divide by 8 to get the Byte size
TInt hashSize = hashCharsPtr->iOutputSize/8;
//Retrieve the final 8bit hash value and convert to 16bit
HBufC* hashData = HBufC::NewLC(hashSize);
TPtr hashPtr = hashData->Des();
//Copy the hashed content into the heap based descriptor
hashPtr.Copy(hashStr);
//Take the 16bit descriptor and convert the string to hexadecimal
TVariantPtrC convertHash;
convertHash.Set(hashPtr);
HBufC* hashResult = convertHash.HexStringLC();
INFO_PRINTF2(_L("*** Hashed Data: %S ***"),&*hashResult);
INFO_PRINTF2(_L("*** Expected Hash: %S ***"),&expectedHash);
//If the returned hash value matches the expected hash, Pass the test
if(*hashResult == expectedHash)
{
INFO_PRINTF1(_L("*** Hash - Incremental Hash with Copy : PASS ***"));
SetTestStepResult(EPass);
}
else
{
ERR_PRINTF2(_L("*** FAIL: Hashed and Expected Value Mismatch ***"), err);
SetTestStepResult(EFail);
}
CleanupStack::PopAndDestroy(hashResult);
CleanupStack::PopAndDestroy(hashData);
delete hashCopyImpl;
}
//Cleanup the Source RFile
CleanupStack::PopAndDestroy();
}
fsSession.Close();
CleanupStack::PopAndDestroy(hashImpl);
}
else
{
ERR_PRINTF2(_L("*** FAIL: Failed to Create Hash Object - %d ***"), err);
SetTestStepResult(EFail);
}
}
}
INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
return TestStepResult();
}
TVerdict CHmacSetOperationModeCheckingStep::doTestStepL()
{
if (TestStepResult()==EPass)
{
//Assume faliure, unless all is successful
SetTestStepResult(EFail);
INFO_PRINTF1(_L("*** Hmac - Set Operation Mode Checking ***"));
INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
TVariantPtrC algorithmUid;
TVariantPtrC operationModeUid;
TVariantPtrC secondOperationModeUid;
TPtrC sourcePath;
TPtrC expectedHash;
TPtrC expectedHmac;
TPtrC encryptKey;
TVariantPtrC keyType;
//Extract the Test Case ID parameter from the specified INI file
if(!GetStringFromConfig(ConfigSection(),KConfigAlgorithmUid,algorithmUid) ||
!GetStringFromConfig(ConfigSection(),KConfigOperationMode,operationModeUid) ||
!GetStringFromConfig(ConfigSection(),KConfigSecondOperationMode,secondOperationModeUid) ||
!GetStringFromConfig(ConfigSection(),KConfigSourcePath,sourcePath) ||
!GetStringFromConfig(ConfigSection(),KConfigExHashHmacValue,expectedHash) ||
!GetStringFromConfig(ConfigSection(),KConfigExSecondHashHmacValue,expectedHmac) ||
!GetStringFromConfig(ConfigSection(),KConfigEncryptKey,encryptKey) ||
!GetStringFromConfig(ConfigSection(),KConfigEncryptKeyType,keyType))
{
ERR_PRINTF1(_L("** Error: Failed to Load Configuration Parameters **"));
SetTestStepResult(EFail);
}
else
{
RFs fsSession;
//Create a connection to the file server
User::LeaveIfError(fsSession.Connect());
RFile sourceFile;
CleanupClosePushL(sourceFile);
//Open the specified source file
User::LeaveIfError(sourceFile.Open(fsSession,sourcePath, EFileRead));
TInt sourceLength = 0;
User::LeaveIfError(sourceFile.Size(sourceLength));
//Create a heap based descriptor to store the data
HBufC8* sourceData = HBufC8::NewL(sourceLength);
CleanupStack::PushL(sourceData);
TPtr8 sourcePtr = sourceData->Des();
sourceFile.Read(sourcePtr);
if(sourcePtr.Length() != sourceLength)
{
ERR_PRINTF1(_L("*** Error: Reading Source File ***"));
SetTestStepResult(EFail);
}
else
{
//Create a pointer for the Hash + Key (Hmac) Implementation Object
CHash* hashHmacImpl = 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 invalid key type and key string
CCryptoParams* keyParams = CCryptoParams::NewL();
CleanupStack::PushL(keyParams);
keyParams->AddL(*keyStr,keyType);
//Create a valid CKey Object
TKeyProperty keyProperty;
CKey* key = CKey::NewL(keyProperty,*keyParams);
CleanupStack::PushL(key);
//Construct an initial hash object with NO key, Catching any possible Leaves
TRAPD(err,CHashFactory::CreateHashL(
hashHmacImpl,
algorithmUid,
operationModeUid,
NULL,
NULL));
if(hashHmacImpl && (err == KErrNone))
{
//Push the Implementation Object onto the Cleanup Stack
CleanupStack::PushL(hashHmacImpl);
//Create a NULL TCharacteristics pointer
const TCharacteristics* charsPtrA(NULL);
//Retrieve the characteristics for the hash implementation object
TRAP_LOG(err, hashHmacImpl->GetCharacteristicsL(charsPtrA));
//Static cast the characteristics to type THashCharacteristics
const THashCharacteristics* hashCharsPtrA = static_cast<const THashCharacteristics*>(charsPtrA);
//The hash output size is returned in Bits, divide by 8 to get the Byte size
TInt hashSize = hashCharsPtrA->iOutputSize/8;
//Retrieve the final 8bit hash value and convert to 16bit
HBufC* hashDataA = HBufC::NewLC(hashSize);
TPtr hashPtrA = hashDataA->Des();
hashPtrA.Copy(hashHmacImpl->Hash(*sourceData));
//Take the 16bit descriptor and convert the string to hexadecimal
TVariantPtrC convertHash;
convertHash.Set(hashPtrA);
HBufC* resultA = convertHash.HexStringLC();
INFO_PRINTF2(_L("*** Hashed Data: %S ***"),&*resultA);
INFO_PRINTF2(_L("*** Expected Hash: %S ***"),&expectedHash);
if(*resultA == expectedHash)
{
INFO_PRINTF1(_L("*** PRIMARY HASH VALID - STAGE 1 PASS ***"));
//Set the valid key within the Hmac Implementation Object
TRAP(err,hashHmacImpl->SetKeyL(*key));
if(err!=KErrNone)
{
ERR_PRINTF2(_L("*** ERROR %d: Setting Key ***"),err);
User::Leave(err);
}
else
{
INFO_PRINTF1(_L("*** HMAC KEY SET ***"));
}
//Set the Operation Mode of the Hmac Implementation Object
hashHmacImpl->SetOperationModeL(secondOperationModeUid);
if(err!=KErrNone)
{
ERR_PRINTF3(_L("*** ERROR %d: Setting Operation Mode %S ***"),err,&secondOperationModeUid);
User::Leave(err);
}
else
{
INFO_PRINTF2(_L("*** OPERATION MODE SET : %S ***"),&secondOperationModeUid);
}
//Create a NULL TCharacteristics pointer
const TCharacteristics* charsPtrB(NULL);
//Retrieve the characteristics for the hash implementation object
TRAP_LOG(err, hashHmacImpl->GetCharacteristicsL(charsPtrB));
//Static cast the characteristics to type THashCharacteristics
const THashCharacteristics* hashCharsPtrB = static_cast<const THashCharacteristics*>(charsPtrB);
//The hash output size is returned in Bits, divide by 8 to get the Byte size
hashSize = hashCharsPtrB->iOutputSize/8;
//Retrieve the final 8bit hash value and convert to 16bit
HBufC* hashDataB = HBufC::NewLC(hashSize);
TPtr hashPtrB = hashDataB->Des();
hashPtrB.Copy(hashHmacImpl->Hash(*sourceData));
//Take the 16bit descriptor and convert the string to hexadecimal
convertHash.Set(hashPtrB);
HBufC* resultB = convertHash.HexStringLC();
INFO_PRINTF2(_L("*** Hashed Data: %S ***"),&*resultB);
INFO_PRINTF2(_L("*** Expected Hash: %S ***"),&expectedHmac);
if(*resultB == expectedHmac)
{
INFO_PRINTF1(_L("*** SECONDARY HASH VALID - STAGE 2 PASS ***"));
//Set the Operation Mode of the Hmac Implementation Object
TRAP(err,hashHmacImpl->SetOperationModeL(operationModeUid));
if(err!=KErrNone)
{
ERR_PRINTF3(_L("*** ERROR %d: Setting Operation Mode %S ***"),err,&operationModeUid);
User::Leave(err);
}
else
{
INFO_PRINTF2(_L("*** OPERATION MODE SET : %S ***"),&operationModeUid);
}
//Create a NULL TCharacteristics pointer
const TCharacteristics* charsPtrC(NULL);
//Retrieve the characteristics for the hash implementation object
TRAP_LOG(err, hashHmacImpl->GetCharacteristicsL(charsPtrC));
//Static cast the characteristics to type THashCharacteristics
const THashCharacteristics* hashCharsPtrC = static_cast<const THashCharacteristics*>(charsPtrC);
//The hash output size is returned in Bits, divide by 8 to get the Byte size
hashSize = hashCharsPtrC->iOutputSize/8;
//Retrieve the final 8bit hash value and convert to 16bit
HBufC* hashDataC = HBufC::NewLC(hashSize);
TPtr hashPtrC = hashDataC->Des();
hashPtrC.Copy(hashHmacImpl->Hash(*sourceData));
//Take the 16bit descriptor and convert the string to hexadecimal
convertHash.Set(hashPtrC);
HBufC* resultC = convertHash.HexStringLC();
INFO_PRINTF2(_L("*** Hashed Data: %S ***"),&*resultC);
INFO_PRINTF2(_L("*** Expected Hash: %S ***"),&expectedHash);
if(*resultC == expectedHash)
{
INFO_PRINTF1(_L("*** FINAL HASH VALID - STAGE 3 PASS ***"));
INFO_PRINTF1(_L("*** Hmac - Set Operation Mode Checking : PASS ***"));
SetTestStepResult(EPass);
}
else
{
ERR_PRINTF1(_L("*** STAGE 3 FAIL: Hash and Expected Value Mismatch ***"));
SetTestStepResult(EFail);
}
CleanupStack::PopAndDestroy(resultC);
CleanupStack::PopAndDestroy(hashDataC);
}
else
{
ERR_PRINTF1(_L("*** STAGE 2 FAIL: Hash and Expected Value Mismatch ***"));
SetTestStepResult(EFail);
}
CleanupStack::PopAndDestroy(resultB);
CleanupStack::PopAndDestroy(hashDataB);
}
else
{
ERR_PRINTF1(_L("*** STAGE 1 FAIL: Hash and Expected Value Match ***"));
SetTestStepResult(EFail);
}
CleanupStack::PopAndDestroy(resultA);
CleanupStack::PopAndDestroy(hashDataA);
CleanupStack::PopAndDestroy(hashHmacImpl);
}
else if(err==KErrNotSupported)
{
if((((TUid)operationModeUid != KHashModeUid) && ((TUid)operationModeUid != KHmacModeUid)) ||
((TUid)algorithmUid != KMd2Uid) && (TUid)algorithmUid != KMd5Uid && (TUid)algorithmUid != KSha1Uid && (TUid)algorithmUid != KMd4Uid && (TUid)algorithmUid != KSha224Uid && (TUid)algorithmUid != KSha256Uid && (TUid)algorithmUid != KSha384Uid && (TUid)algorithmUid != KSha512Uid)
{
ERR_PRINTF2(_L("*** Object Load Failure - Invalid Operation Mode : %d ***"), err);
User::Leave(err);
}
else
{
SetTestStepResult(EFail);
}
}
else
{
ERR_PRINTF2(_L("*** Hash/Hmac Facotry Object Load Failure : %d ***"), err);
User::Leave(err);
}
CleanupStack::PopAndDestroy(key);
CleanupStack::PopAndDestroy(keyParams);
CleanupStack::PopAndDestroy(keyStr);
}
CleanupStack::PopAndDestroy(sourceData);
//Cleanup the Source RFile
CleanupStack::PopAndDestroy();
fsSession.Close();
}
}
else
{
SetTestStepResult(EFail);
}
INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
return TestStepResult();
}
