1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/security/crypto/weakcryptospi/source/common/cryptostrength.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,55 @@
     1.4 +/*
     1.5 +* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Eclipse Public License v1.0"
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description: 
    1.18 +*
    1.19 +*/
    1.20 +
    1.21 +
    1.22 +#include <e32base.h>
    1.23 +#include "cryptostrength.h"
    1.24 +#include <securityerr.h>
    1.25 +
    1.26 +#ifdef CRYPTO_STRONG_BUILD
    1.27 +const TInt KDTIMaxSymmetricKeyBits = KMaxTInt;
    1.28 +const TInt KDTIMaxAsymmetricKeyBits = KMaxTInt;
    1.29 +const TCrypto::TStrength KCryptoStrength=TCrypto::EStrong;
    1.30 +#else //CRYPTO_WEAK_BUILD
    1.31 +const TInt KDTIMaxSymmetricKeyBits = 56;
    1.32 +const TInt KDTIMaxAsymmetricKeyBits = 512;
    1.33 +const TCrypto::TStrength KCryptoStrength=TCrypto::EWeak;
    1.34 +#endif //CRYPTO_STRONG_BUILD
    1.35 +
    1.36 +EXPORT_C TCrypto::TStrength TCrypto::Strength(void)
    1.37 +	{
    1.38 +	return (KCryptoStrength);
    1.39 +	}
    1.40 +
    1.41 +EXPORT_C TBool TCrypto::IsSymmetricWeakEnoughL(TInt aSymmetricKeyBits)
    1.42 +	{
    1.43 +	if(aSymmetricKeyBits > KDTIMaxSymmetricKeyBits)
    1.44 +		{
    1.45 +		User::Leave(KErrKeyNotWeakEnough);
    1.46 +		}
    1.47 +	return ETrue;
    1.48 +	}
    1.49 +
    1.50 +EXPORT_C TBool TCrypto::IsAsymmetricWeakEnoughL(TInt aAsymmetricKeyBits)
    1.51 +	{
    1.52 +	if(aAsymmetricKeyBits > KDTIMaxAsymmetricKeyBits)
    1.53 +		{
    1.54 +		User::Leave(KErrKeyNotWeakEnough);
    1.55 +		}
    1.56 +	return ETrue;
    1.57 +	}
    1.58 +