--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crypto/weakcryptospi/test/tcryptospi/src/hmacincrementalhmacwithcopystep.cpp Thu Sep 10 14:01:51 2009 +0300
@@ -0,0 +1,292 @@
+/*
+* Copyright (c) 2007-2009 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 "hmacincrementalhmacwithcopystep.h"
+
+#include <cryptospi/cryptohashapi.h>
+#include "keys.h"
+#include <cryptospi/plugincharacteristics.h>
+
+using namespace CryptoSpi;
+
+CHmacIncrementalHmacWithCopyStep::~CHmacIncrementalHmacWithCopyStep()
+ {
+ }
+
+
+CHmacIncrementalHmacWithCopyStep::CHmacIncrementalHmacWithCopyStep()
+ {
+ SetTestStepName(KHmacIncrementalHmacWithCopyStep);
+ }
+
+
+TVerdict CHmacIncrementalHmacWithCopyStep::doTestStepPreambleL()
+ {
+ SetTestStepResult(EPass);
+ return TestStepResult();
+ }
+
+
+TVerdict CHmacIncrementalHmacWithCopyStep::doTestStepL()
+ {
+ if (TestStepResult()==EPass)
+ {
+
+ //Assume faliure, unless all is successful
+ SetTestStepResult(EFail);
+
+ INFO_PRINTF1(_L("*** Hmac - Incremental Hash with Copy ***"));
+ INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+
+ TVariantPtrC algorithmUid;
+ TVariantPtrC operationModeUid;
+ TPtrC sourcePath;
+ TPtrC expectedHash;
+ 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(),KConfigSourcePath,sourcePath) ||
+ !GetStringFromConfig(ConfigSection(),KConfigExHashHmacValue,expectedHash) ||
+ !GetStringFromConfig(ConfigSection(),KConfigEncryptKey,encryptKey) ||
+ !GetStringFromConfig(ConfigSection(),KConfigEncryptKeyType,keyType))
+ {
+ ERR_PRINTF1(_L("** Error: Failed to Load Configuration Parameters **"));
+ SetTestStepResult(EFail);
+ }
+ else
+ {
+ //Create a pointer for the Hash + Key (Hmac) Implementation Object
+ CHash* hmacImpl = 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 Hmac Factory Object
+ TRAPD(err,CHashFactory::CreateHashL(hmacImpl,
+ algorithmUid,
+ operationModeUid,
+ key,
+ NULL));
+
+ if(hmacImpl && (err == KErrNone))
+ {
+
+ //Push the Hmac Implementation Object onto the Cleanup Stack
+ CleanupStack::PushL(hmacImpl);
+
+ 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* hmacCopyImpl = 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 Hmac implementation object
+ hmacImpl->Hash(*sourceData);
+ INFO_PRINTF2(_L("Intial Hmac - 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(hmacCopyImpl->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 Hmac - 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
+ hmacImpl->Update(*sourceData);
+
+ INFO_PRINTF1(_L("Copying Hmac Object..."));
+
+ //Create a Copy of the existing Hmac Object and all internal state of the message digest
+ hmacCopyImpl = hmacImpl->CopyL();
+
+ hashCopied = ETrue;
+
+ INFO_PRINTF2(_L("*** HMAC COPY - Bytes Read: %d ***"), readPosition);
+ }
+ else
+ {
+ //Update the message data within the Hmac object with the new block
+ if(hashCopied == EFalse)
+ {
+ hmacImpl->Update(*sourceData);
+ INFO_PRINTF2(_L("Hmac Update - Bytes Read: %d"), readPosition);
+ }
+ else
+ {
+ hmacCopyImpl->Update(*sourceData);
+ INFO_PRINTF2(_L("Hmac 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, hmacImpl->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();
+
+ hashPtr.Copy(hashStr);
+
+ //Take the 16bit descriptor and convert the string to hexadecimal
+ TVariantPtrC convertHash;
+ convertHash.Set(hashPtr);
+ HBufC* hmacResult = convertHash.HexStringLC();
+
+ INFO_PRINTF2(_L("*** Hashed Data: %S ***"),&*hmacResult);
+ INFO_PRINTF2(_L("*** Expected Hash: %S ***"),&expectedHash);
+
+ //If the returned hash value matches the expected hash, Pass the test
+ if(*hmacResult == expectedHash)
+ {
+ INFO_PRINTF1(_L("*** Hmac - Incremental Hash with Copy : PASS ***"));
+ SetTestStepResult(EPass);
+ }
+ else
+ {
+ ERR_PRINTF2(_L("*** FAIL: Hashed and Expected Value Mismatch ***"), err);
+ SetTestStepResult(EFail);
+ }
+
+ CleanupStack::PopAndDestroy(hmacResult);
+ CleanupStack::PopAndDestroy(hashData);
+
+ delete hmacCopyImpl;
+ }
+
+ //Cleanup the Source RFile
+ CleanupStack::PopAndDestroy();
+ }
+
+ fsSession.Close();
+
+ CleanupStack::PopAndDestroy(hmacImpl);
+ }
+ else
+ {
+ ERR_PRINTF2(_L("*** FAIL: Failed to Create Hmac Object - %d ***"), err);
+ SetTestStepResult(EFail);
+ }
+
+ CleanupStack::PopAndDestroy(key);
+ CleanupStack::PopAndDestroy(keyParams);
+ CleanupStack::PopAndDestroy(keyStr);
+ }
+ }
+
+ INFO_PRINTF2(_L("HEAP CELLS: %d"), User::CountAllocCells());
+ return TestStepResult();
+ }
+
+
+TVerdict CHmacIncrementalHmacWithCopyStep::doTestStepPostambleL()
+ {
+ return TestStepResult();
+ }