sl@0: /*
sl@0: * Copyright (c) 2002-2009 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 <e32base.h>
sl@0: #include "cryptostrength.h"
sl@0: #include <securityerr.h>
sl@0: 
sl@0: #ifdef CRYPTO_STRONG_BUILD
sl@0: const TInt KDTIMaxSymmetricKeyBits = KMaxTInt;
sl@0: const TInt KDTIMaxAsymmetricKeyBits = KMaxTInt;
sl@0: const TCrypto::TStrength KCryptoStrength=TCrypto::EStrong;
sl@0: #else //CRYPTO_WEAK_BUILD
sl@0: const TInt KDTIMaxSymmetricKeyBits = 56;
sl@0: const TInt KDTIMaxAsymmetricKeyBits = 512;
sl@0: const TCrypto::TStrength KCryptoStrength=TCrypto::EWeak;
sl@0: #endif //CRYPTO_STRONG_BUILD
sl@0: 
sl@0: EXPORT_C TCrypto::TStrength TCrypto::Strength(void)
sl@0: 	{
sl@0: 	return (KCryptoStrength);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool TCrypto::IsSymmetricWeakEnoughL(TInt aSymmetricKeyBits)
sl@0: 	{
sl@0: 	if(aSymmetricKeyBits > KDTIMaxSymmetricKeyBits)
sl@0: 		{
sl@0: 		User::Leave(KErrKeyNotWeakEnough);
sl@0: 		}
sl@0: 	return ETrue;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool TCrypto::IsAsymmetricWeakEnoughL(TInt aAsymmetricKeyBits)
sl@0: 	{
sl@0: 	if(aAsymmetricKeyBits > KDTIMaxAsymmetricKeyBits)
sl@0: 		{
sl@0: 		User::Leave(KErrKeyNotWeakEnough);
sl@0: 		}
sl@0: 	return ETrue;
sl@0: 	}
sl@0: