sl@0: /*
sl@0: * Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <pbedata.h>
sl@0: #include <stdlib.h>
sl@0: #include <s32mem.h>
sl@0: #include <s32std.h>
sl@0: #include "tpbe.h"
sl@0: #include "tactionset.h"
sl@0: #include "t_input.h"
sl@0: 
sl@0: _LIT8(KSetStart, "<set>");
sl@0: _LIT8(KSetEnd, "</set>");
sl@0: 
sl@0: CTestAction* CActionSet::NewL(RFs& aFs,
sl@0: 									   CConsoleBase& aConsole,
sl@0: 									   Output& aOut, 
sl@0: 									   const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CTestAction* self = CActionSet::NewLC(aFs, aConsole,
sl@0: 		aOut, aTestActionSpec);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CTestAction* CActionSet::NewLC(RFs& aFs,
sl@0: 										CConsoleBase& aConsole,
sl@0: 										Output& aOut, 
sl@0: 										const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CActionSet* self = new(ELeave) CActionSet(aFs, aConsole, aOut);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aTestActionSpec);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CActionSet::~CActionSet()
sl@0: 	{
sl@0: 	delete iBody;
sl@0: 	}
sl@0: 
sl@0: CActionSet::CActionSet(RFs& aFs, 
sl@0: 								 CConsoleBase& aConsole,
sl@0: 								 Output& aOut)
sl@0: 								 
sl@0: : CTestAction(aConsole, aOut), iFs(aFs)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CActionSet::ConstructL(const TTestActionSpec& aTestActionSpec)
sl@0: 	{
sl@0: 	CTestAction::ConstructL(aTestActionSpec);
sl@0: 	iBody = HBufC8::NewL(aTestActionSpec.iActionBody.Length());
sl@0: 	iBody->Des().Copy(aTestActionSpec.iActionBody);
sl@0: 	
sl@0: 	}
sl@0: 
sl@0: void CActionSet::DoPerformPrerequisite(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	TInt err = KErrNone;
sl@0: 	TInt pos = 0;
sl@0: 	TPtrC8 encryptElement = Input::ParseElement(*iBody, KSetStart,
sl@0: 		KSetEnd, pos, err);
sl@0: 	TPtrC8 kdf = Input::ParseElement(*iBody, KKdfStart, KKdfEnd, pos=0, err);
sl@0: 	if (err == KErrNone)
sl@0: 		iKdf = kdf.AllocL();
sl@0: 	
sl@0: 	TPtrC8 saltLenBytes = Input::ParseElement(*iBody, KSaltLenBytesStart, KSaltLenBytesEnd, pos=0, err);
sl@0: 	if (err == KErrNone)
sl@0: 		iSaltLenBytes = saltLenBytes.AllocL();
sl@0: 	
sl@0: 	TPtrC8 iterCount = Input::ParseElement(*iBody, KIterCountStart, KIterCountEnd, pos=0, err);
sl@0: 	if (err == KErrNone)
sl@0: 		iIterCount = iterCount.AllocL();
sl@0: 	
sl@0: 	TPtrC8 passwdTemp = Input::ParseElement(encryptElement, KPasswdStart, 
sl@0: 		KPasswdEnd, pos=0, err);
sl@0: 	iPasswd = HBufC::NewL(passwdTemp.Length());
sl@0: 	TPtr16 passwdTemp3( iPasswd->Des());
sl@0: 	passwdTemp3.Copy(passwdTemp);
sl@0: 
sl@0: 	TPtrC8 inputTemp = Input::ParseElement(encryptElement, KInputStart, 
sl@0: 		KInputEnd, pos=0, err);
sl@0: 	iInput = HBufC8::NewL(inputTemp.Length());
sl@0: 	*iInput = inputTemp;
sl@0: 
sl@0: 	TPtrC8 cipher = Input::ParseElement(*iBody, KCipherStart, KCipherEnd);
sl@0: 	if (cipher.Compare(KECipherAES_CBC_128) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherAES_CBC_128;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipherAES_CBC_192) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherAES_CBC_192;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipherAES_CBC_256) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherAES_CBC_256;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipherDES_CBC) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherDES_CBC;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipher3DES_CBC) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipher3DES_CBC;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipherRC2_CBC_40) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherRC2_CBC_40;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipherRC2_CBC_128) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherRC2_CBC_128;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipherRC2_CBC_40_16) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherRC2_CBC_40_16;
sl@0: 	}
sl@0: 	else if (cipher.Compare(KECipherRC2_CBC_128_16) == 0)
sl@0: 	{
sl@0: 	   iCipher = ECipherRC2_CBC_128_16;
sl@0: 	}
sl@0: 	else if(cipher.Compare(KECipher2Key3DES_CBC) == 0)
sl@0: 	{
sl@0: 		iCipher = ECipher2Key3DES_CBC;
sl@0: 	}
sl@0: 	else if(cipher.Compare(KECipherRC2_CBC_40_5) == 0)
sl@0: 	{
sl@0: 		iCipher = ECipherRC2_CBC_40_5;
sl@0: 	}	
sl@0: 	else
sl@0: 	{
sl@0: 	   iCipher = ECipherAES_CBC_128; // Default value if the <cipher> tag is missing
sl@0: 	}
sl@0: 
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	iActionState = CTestAction::EAction;
sl@0: 	}
sl@0: 
sl@0: void CActionSet::DoPerformPostrequisite(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	delete iPasswd;
sl@0: 	delete iInput;
sl@0: 	delete iKdf;
sl@0: 	iKdf = 0;
sl@0: 	delete iSaltLenBytes;
sl@0: 	iSaltLenBytes = 0;
sl@0: 	delete iIterCount;
sl@0: 	iIterCount = 0;
sl@0: 
sl@0: 	iFinished = ETrue;
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CActionSet::DoReportAction(void)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CActionSet::DoCheckResult(TInt)
sl@0: 	{
sl@0: 
sl@0: 	}
sl@0: 
sl@0: void CActionSet::PerformAction(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	__UHEAP_MARK;
sl@0: 	TRequestStatus* status = &aStatus;
sl@0: 	iResult = EFalse;
sl@0: 	HBufC8* pkcs12Pwd = 0;
sl@0: 	
sl@0: 	// default value is NULL to avoid RVCT warning
sl@0: 	// C2874W: set may be used before being set
sl@0: 	CPBEncryptSet* set = 0;
sl@0: 	if (iKdf == 0)
sl@0: 		{
sl@0: 		CleanupStack::PushL(pkcs12Pwd);
sl@0:  		set = CPBEncryptSet::NewLC(*iPasswd, iCipher);
sl@0:  		}
sl@0: 	else
sl@0: 		{
sl@0: 		// if supply KDF, must also supply salt len and iteration count
sl@0: 		ASSERT(iSaltLenBytes != 0 && iIterCount != 0);
sl@0: 		
sl@0: 		CPBEncryptParms* ep = CPBEncryptParms::NewLC();
sl@0: 		
sl@0: 		ep->SetCipherL(iCipher);
sl@0: 		
sl@0: 		TInt saltLenBytes;
sl@0: 		TInt r = TLex8(*iSaltLenBytes).Val(saltLenBytes);
sl@0: 		ASSERT(r == KErrNone);
sl@0: 		ep->ResizeSaltL(saltLenBytes);
sl@0: 		
sl@0: 		TInt iterCount;
sl@0: 		r = TLex8(*iIterCount).Val(iterCount);
sl@0: 		ASSERT(r == KErrNone);
sl@0: 		ep->SetIterations(iterCount);
sl@0: 		
sl@0: 		CleanupStack::PushL((CBase*)0);
sl@0: 		CleanupStack::Pop((CBase*)0);
sl@0: 
sl@0: 		if (*iKdf == _L8("PKCS#5"))
sl@0: 			{
sl@0: 			ep->SetKdf(CPBEncryptParms::EKdfPkcs5);
sl@0: 			set = CPBEncryptSet::NewL(*iPasswd, *ep);
sl@0: 			}
sl@0: 		else if (*iKdf == _L8("PKCS#12"))
sl@0: 			{
sl@0: 			pkcs12Pwd = PKCS12KDF::GeneratePasswordLC(*iPasswd);
sl@0: 			ep->SetKdf(CPBEncryptParms::EKdfPkcs12);
sl@0: 			set = CPBEncryptSet::NewL(*pkcs12Pwd, *ep);
sl@0: 			CleanupStack::Pop(pkcs12Pwd);
sl@0: 			}
sl@0: 		else
sl@0: 			User::Panic(_L("Unrec KDF"), 0);
sl@0: 		
sl@0: 		CleanupStack::PopAndDestroy(ep);
sl@0: 		// encryption could leak here, but for reservation above
sl@0: 		CleanupStack::PushL(pkcs12Pwd);
sl@0: 		CleanupStack::PushL(set);
sl@0: 		}
sl@0: 	CPBEncryptor* encryptor = set->NewEncryptLC();
sl@0: 	HBufC8* ciphertextTemp = HBufC8::NewLC(encryptor->MaxFinalOutputLength(iInput->Length())); 
sl@0: 
sl@0: 	TPtr8 ciphertext = ciphertextTemp->Des();	
sl@0: 	encryptor->ProcessFinalL(*iInput, ciphertext);
sl@0: 	TBuf<128> newPwdTemp(*iPasswd);
sl@0: 	newPwdTemp.Append('a');
sl@0: 
sl@0: 	TBuf8<128> newPwdTemp8;
sl@0: 	
sl@0: 	TPBPassword newPassword(KNullDesC);
sl@0: 	if (pkcs12Pwd == 0)
sl@0: 		new(&newPassword) TPBPassword(newPwdTemp);
sl@0: 	else
sl@0: 		{
sl@0: 		HBufC8* newPwd = PKCS12KDF::GeneratePasswordLC(newPwdTemp);
sl@0: 		newPwdTemp8.Copy(*newPwd);
sl@0: 		new(&newPassword) TPBPassword(newPwdTemp8);
sl@0: 		CleanupStack::PopAndDestroy(newPwd);
sl@0: 		}
sl@0: 
sl@0: 	set->ChangePasswordL(newPassword);
sl@0: 	
sl@0: 	//create a mem  buffer store
sl@0: 	CBufStore* store = CBufStore::NewLC(100);
sl@0: 	RStoreWriteStream write;
sl@0: 
sl@0: 	//write the encrypted master key to a stream
sl@0: 	TStreamId keyStreamId = write.CreateLC(*store);
sl@0: 	write << set->EncryptedMasterKey();
sl@0: 	write.CommitL();
sl@0: 	CleanupStack::PopAndDestroy(); //CreateLC()
sl@0: 
sl@0: 	//write the encryption data to another stream
sl@0: 	TStreamId dataStreamId = write.CreateLC(*store);
sl@0: 	set->EncryptionData().ExternalizeL(write);
sl@0: 	write.CommitL();
sl@0: 	CleanupStack::PopAndDestroy(); //CreateLC()
sl@0: 
sl@0: 	//prepare to read the streams back in, creating a new TPBEncryptionData
sl@0: 	RStoreReadStream read;
sl@0: 	read.OpenLC(*store, dataStreamId);
sl@0: 
sl@0: 	//read in Encryption data
sl@0: 	CPBEncryptionData* data = CPBEncryptionData::NewL(read);
sl@0: 	CleanupStack::PopAndDestroy(); //OpenLC()
sl@0: 	CleanupStack::PushL(data);
sl@0: 
sl@0: 	//read in encrypted master key
sl@0: 	read.OpenLC(*store, keyStreamId);
sl@0: 	HBufC8* encryptedMasterKey = HBufC8::NewLC(read, 10000); //some large number
sl@0: 
sl@0: 	//create a new set encryption class
sl@0: 	CPBEncryptSet* set2 = CPBEncryptSet::NewLC(*data, *encryptedMasterKey, newPassword);
sl@0: 
sl@0: 	HBufC8* plaintextTemp = HBufC8::NewLC(ciphertext.Length());
sl@0: 	TPtr8 plaintext = plaintextTemp->Des();	
sl@0: 
sl@0: 	CPBDecryptor* decryptor = set2->NewDecryptLC();
sl@0: 	decryptor->Process(ciphertext, plaintext);
sl@0: 
sl@0: 	//this Mid call is due to get rid of the decrypted padding at the end
sl@0: 	if(plaintext.Mid(0,iInput->Length()) == *iInput)
sl@0: 		{
sl@0: 		iResult = ETrue;			
sl@0: 		}
sl@0: 	
sl@0: 	CleanupStack::PopAndDestroy(decryptor);
sl@0: 	CleanupStack::PopAndDestroy(plaintextTemp);
sl@0: 	CleanupStack::PopAndDestroy(set2);
sl@0: 	CleanupStack::PopAndDestroy(encryptedMasterKey);
sl@0: 	CleanupStack::PopAndDestroy(1); //OpenLC
sl@0: 	CleanupStack::PopAndDestroy(data);
sl@0: 	CleanupStack::PopAndDestroy(store);
sl@0: 	CleanupStack::PopAndDestroy(ciphertextTemp);
sl@0: 	CleanupStack::PopAndDestroy(encryptor);
sl@0: 	CleanupStack::PopAndDestroy(set);
sl@0: 	CleanupStack::PopAndDestroy(pkcs12Pwd);
sl@0: 	
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	iActionState = CTestAction::EPostrequisite;
sl@0: 	__UHEAP_MARKEND;
sl@0: 	}
sl@0: 
sl@0: void CActionSet::Hex(HBufC8& aString)
sl@0:     {
sl@0:     TPtr8 ptr=aString.Des();
sl@0:     if (aString.Length()%2)
sl@0:         {
sl@0:         ptr.SetLength(0);
sl@0:         return;
sl@0:         }
sl@0:     TInt i;
sl@0:     for (i=0;i<aString.Length();i+=2)
sl@0:         {
sl@0:         TUint8 tmp;
sl@0:         tmp=(TUint8)(aString[i]-(aString[i]>'9'?('A'-10):'0'));
sl@0:         tmp*=16;
sl@0:         tmp|=(TUint8)(aString[i+1]-(aString[i+1]>'9'?('A'-10):'0'));
sl@0:         ptr[i/2]=tmp;
sl@0:         }
sl@0:     ptr.SetLength(aString.Length()/2);
sl@0:     }