sl@0: /*
sl@0: * Copyright (c) 2006-2009 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: * Generic crypto parameter implementation
sl@0: * Generic crypto parameter implementation
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: /**
sl@0:  @file
sl@0: */
sl@0: 
sl@0: #include <cryptospi/cryptoparams.h>
sl@0: 
sl@0: using namespace CryptoSpi;
sl@0: 
sl@0: //
sl@0: //Implementation of the generic crypto parameter
sl@0: //
sl@0: CCryptoParam::CCryptoParam(TParamType aType, TUid aUid)
sl@0: 	: iType(aType),
sl@0: 	  iUid(aUid)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoParam::~CCryptoParam()
sl@0: 	{
sl@0: 		
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt CCryptoParam::Type() const
sl@0: 	{
sl@0: 	return iType;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TUid CCryptoParam::Uid() const
sl@0: 	{
sl@0: 	return iUid;
sl@0: 	}
sl@0: 
sl@0: //
sl@0: // Implementation of Descriptor parameters
sl@0: //
sl@0: EXPORT_C CCryptoDesC8Param* CCryptoDesC8Param::NewL(const TDesC8& aValue, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoDesC8Param* self=NewLC(aValue, aUid);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoDesC8Param* CCryptoDesC8Param::NewLC(const TDesC8& aValue, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoDesC8Param* self=new(ELeave) CCryptoDesC8Param(aUid);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aValue);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TDesC8& CCryptoDesC8Param::Value() const
sl@0: 	{
sl@0: 	return *iValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoDesC8Param::~CCryptoDesC8Param()
sl@0: 	{
sl@0: 	if (iValue)
sl@0: 		{
sl@0: 		iValue->Des().FillZ();
sl@0: 		}
sl@0: 	delete iValue;
sl@0: 	}
sl@0: 
sl@0: CCryptoDesC8Param::CCryptoDesC8Param(TUid aUid)
sl@0: 	: CCryptoParam(EDesC8, aUid)
sl@0: 	{
sl@0: 	}
sl@0: 	
sl@0: void CCryptoDesC8Param::ConstructL(const TDesC8& aValue)
sl@0: 	{
sl@0: 	iValue=aValue.AllocL();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: //
sl@0: // Implementation of Descriptor parameters
sl@0: //
sl@0: EXPORT_C CCryptoDesC16Param* CCryptoDesC16Param::NewL(const TDesC16& aValue, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoDesC16Param* self=NewLC(aValue, aUid);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoDesC16Param* CCryptoDesC16Param::NewLC(const TDesC16& aValue, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoDesC16Param* self=new(ELeave) CCryptoDesC16Param(aUid);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aValue);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TDesC16& CCryptoDesC16Param::Value() const
sl@0: 	{
sl@0: 	return *iValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoDesC16Param::~CCryptoDesC16Param()
sl@0: 	{
sl@0: 	if (iValue)
sl@0: 		{
sl@0: 		iValue->Des().FillZ();
sl@0: 		}
sl@0: 	delete iValue;
sl@0: 	}
sl@0: 
sl@0: CCryptoDesC16Param::CCryptoDesC16Param(TUid aUid)
sl@0: 	: CCryptoParam(EDesC16, aUid)
sl@0: 	{
sl@0: 	}
sl@0: 	
sl@0: void CCryptoDesC16Param::ConstructL(const TDesC16& aValue)
sl@0: 	{
sl@0: 	iValue=aValue.AllocL();
sl@0: 	}
sl@0: 
sl@0: //
sl@0: // Implementation of int parameters
sl@0: //
sl@0: EXPORT_C CCryptoIntParam* CCryptoIntParam::NewL(TInt aValue, TUid aUid)
sl@0: 	{
sl@0: 	return new(ELeave) CCryptoIntParam(aValue, aUid);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoIntParam* CCryptoIntParam::NewLC(TInt aValue, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoIntParam* self=new(ELeave) CCryptoIntParam(aValue, aUid);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt CCryptoIntParam::Value() const
sl@0: 	{
sl@0: 	return iValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoIntParam::~CCryptoIntParam()
sl@0: 	{
sl@0: 	iValue = 0;
sl@0: 	}
sl@0: 
sl@0: CCryptoIntParam::CCryptoIntParam(TInt aValue, TUid aUid)
sl@0: 	: CCryptoParam(EInt, aUid),
sl@0: 	  iValue(aValue)
sl@0: 	{
sl@0: 		
sl@0: 	}
sl@0: 
sl@0: //	
sl@0: // Implementation of BigInt parameters
sl@0: //
sl@0: EXPORT_C CCryptoBigIntParam* CCryptoBigIntParam::NewL(const TInteger& aValue, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoBigIntParam* self = NewLC(aValue, aUid);
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoBigIntParam* CCryptoBigIntParam::NewLC(const TInteger& aValue, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoBigIntParam* self = new(ELeave) CCryptoBigIntParam(aUid);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL(aValue);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TInteger& CCryptoBigIntParam::Value() const
sl@0: 	{
sl@0: 	return iValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoBigIntParam::~CCryptoBigIntParam()
sl@0: 	{
sl@0: 	// Secure delete, BigInts used for RSA/DSA modulus and exponent
sl@0: 	iValue.Close();
sl@0: 	}
sl@0: 
sl@0: CCryptoBigIntParam::CCryptoBigIntParam(TUid aUid)
sl@0: 	: CCryptoParam(EBigInt, aUid)
sl@0: 	{
sl@0: 	}
sl@0: 	
sl@0: void CCryptoBigIntParam::ConstructL(const TInteger& aValue)
sl@0: 	{
sl@0: 	iValue = RInteger::NewL(aValue);
sl@0: 	}
sl@0: 
sl@0: /*
sl@0:  * CCryptoParams implementation
sl@0:  */
sl@0: EXPORT_C CCryptoParams* CCryptoParams::NewL(void)
sl@0: 	{
sl@0: 	CCryptoParams* self = NewLC();
sl@0: 	CleanupStack::Pop();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoParams* CCryptoParams::NewLC(void)
sl@0: 	{
sl@0: 	CCryptoParams* self = new(ELeave) CCryptoParams();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CCryptoParams::CCryptoParams()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CCryptoParams::ConstructL(void)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoParams::~CCryptoParams()
sl@0: 	{
sl@0: 	// delete all contained parameters
sl@0: 	iParams.ResetAndDestroy();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CCryptoParams::AddL(const TInteger& aParam, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoBigIntParam* param = CCryptoBigIntParam::NewLC(aParam, aUid);
sl@0: 	iParams.AppendL(param);
sl@0: 	CleanupStack::Pop(param);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CCryptoParams::AddL(const TInt aParam, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoIntParam* param = CCryptoIntParam::NewLC(aParam, aUid);
sl@0: 	iParams.AppendL(param);
sl@0: 	CleanupStack::Pop(param);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CCryptoParams::AddL(const TDesC8& aParam, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoDesC8Param* param = CCryptoDesC8Param::NewLC(aParam, aUid);
sl@0: 	iParams.AppendL(param);
sl@0: 	CleanupStack::Pop(param);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CCryptoParams::AddL(const TDesC16& aParam, TUid aUid)
sl@0: 	{
sl@0: 	CCryptoDesC16Param* param = CCryptoDesC16Param::NewLC(aParam, aUid);
sl@0: 	iParams.AppendL(param);
sl@0: 	CleanupStack::Pop(param);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TInteger& CCryptoParams::GetBigIntL(TUid aUid) const
sl@0: 	{
sl@0: 	TInteger* paramValue = NULL;
sl@0: 	CCryptoParam* param = GetCryptoParamL(aUid);
sl@0: 	if (param->Type() == CCryptoParam::EBigInt)
sl@0: 		{
sl@0: 		const CCryptoBigIntParam* typedParam = static_cast<const CCryptoBigIntParam*>(param);
sl@0: 		paramValue = const_cast<TInteger*>(&typedParam->Value());
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 		return *paramValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt CCryptoParams::GetTIntL(TUid aUid) const
sl@0: 	{
sl@0: 	TInt paramValue = 0;
sl@0: 	CCryptoParam* param = GetCryptoParamL(aUid);
sl@0: 	if (param->Type() == CCryptoParam::EInt)
sl@0: 		{
sl@0: 		const CCryptoIntParam* typedParam = static_cast<const CCryptoIntParam*>(param);
sl@0: 		paramValue = typedParam->Value();
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 		return paramValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TDesC8& CCryptoParams::GetTDesC8L(TUid aUid) const
sl@0: 	{
sl@0: 	TDesC8* paramValue = NULL;
sl@0: 	CCryptoParam* param = GetCryptoParamL(aUid);
sl@0: 	if (param->Type() == CCryptoParam::EDesC8)
sl@0: 		{
sl@0: 		const CCryptoDesC8Param* typedParam = static_cast<const CCryptoDesC8Param*>(param);
sl@0: 		paramValue = const_cast<TDesC8*>(&typedParam->Value());
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 		return *paramValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const TDesC16& CCryptoParams::GetTDesC16L(TUid aUid) const
sl@0: 	{
sl@0: 	TDesC16* paramValue = NULL;
sl@0: 	CCryptoParam* param = GetCryptoParamL(aUid);
sl@0: 	if (param->Type() == CCryptoParam::EDesC16)
sl@0: 		{
sl@0: 		const CCryptoDesC16Param* typedParam = static_cast<const CCryptoDesC16Param*>(param);
sl@0: 		paramValue = const_cast<TDesC16*>(&typedParam->Value());
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 		return *paramValue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool CCryptoParams::IsPresent(TUid aUid) const
sl@0: 	{
sl@0: 	TBool ret = EFalse;
sl@0: 	if (GetCryptoParam(aUid))
sl@0: 		{
sl@0: 		ret = ETrue;
sl@0: 		}
sl@0: 	return ret;
sl@0: 	}
sl@0: 
sl@0: CCryptoParam* CCryptoParams::GetCryptoParam(TUid aUid) const
sl@0: 	{
sl@0: 	CCryptoParam* paramPtr = NULL;
sl@0: 	TInt count = iParams.Count();
sl@0: 	for (TInt i = 0 ;i < count; i++)
sl@0: 		{
sl@0: 		if (iParams[i]->Uid() == aUid)
sl@0: 			{
sl@0: 			paramPtr = iParams[i];
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	return paramPtr;
sl@0: 	}
sl@0: 	
sl@0: CCryptoParam* CCryptoParams::GetCryptoParamL(TUid aUid) const
sl@0: 	{
sl@0: 	CCryptoParam* paramPtr = GetCryptoParam(aUid);
sl@0: 	// leave if requested uid was not found
sl@0: 	if (!paramPtr)
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	return paramPtr;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCryptoParams& CCryptoParams::CopyL(const CCryptoParams& aParams)
sl@0: 	{
sl@0: 	iParams.Close();
sl@0: 	TUint count = aParams.iParams.Count();
sl@0: 	for (TUint num = 0; num < count; num++)
sl@0: 		{
sl@0: 		CCryptoParam* item = aParams.iParams[num];
sl@0: 
sl@0: 		// Stop armv5 compiler warning about init through switch statement
sl@0: 		CCryptoBigIntParam *b = 0;
sl@0: 		CCryptoDesC8Param *d = 0;
sl@0: 		CCryptoDesC16Param *d16 = 0;
sl@0: 		CCryptoIntParam *i = 0;
sl@0: 
sl@0: 		// For each type of cryptoparam, duplicate it, and append to RPtrArray
sl@0: 		switch (item->Type())
sl@0: 			{
sl@0: 			case CCryptoParam::EBigInt:
sl@0: 				b = CCryptoBigIntParam::NewL(((CCryptoBigIntParam*) item)->Value(), ((CCryptoBigIntParam*) item)->Uid());
sl@0: 				CleanupStack::PushL(b);
sl@0: 				iParams.AppendL(b);
sl@0: 				CleanupStack::Pop(b);
sl@0: 				break;
sl@0: 				
sl@0: 			case CCryptoParam::EInt:
sl@0: 				i = CCryptoIntParam::NewL(((CCryptoIntParam*) item)->Value(), ((CCryptoBigIntParam*) item)->Uid());
sl@0: 				CleanupStack::PushL(i);
sl@0: 				iParams.AppendL(i);
sl@0: 				CleanupStack::Pop(i);
sl@0: 				break;
sl@0: 				
sl@0: 			case CCryptoParam::EDesC8:
sl@0: 				d = CCryptoDesC8Param::NewL(((CCryptoDesC8Param*) item)->Value(), ((CCryptoBigIntParam*) item)->Uid());
sl@0: 				CleanupStack::PushL(d);
sl@0: 				iParams.AppendL(d);
sl@0: 				CleanupStack::Pop(d);
sl@0: 				break;
sl@0: 				
sl@0: 			case CCryptoParam::EDesC16:
sl@0: 				d16 = CCryptoDesC16Param::NewL(((CCryptoDesC16Param*) item)->Value(), ((CCryptoBigIntParam*) item)->Uid());
sl@0: 				CleanupStack::PushL(d16);
sl@0: 				iParams.AppendL(d16);
sl@0: 				CleanupStack::Pop(d16);
sl@0: 				break;
sl@0: 				
sl@0: 			default:
sl@0: 				break;
sl@0: 			}
sl@0: 		}
sl@0: 		return *this;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt CCryptoParams::Count(void) const
sl@0: 	{
sl@0: 	return iParams.Count();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const RPointerArray<CCryptoParam>& CCryptoParams::GetParams() const
sl@0: 	{
sl@0: 	return iParams;
sl@0: 	}
sl@0: