1 /*

     2 * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #include <e32base.h>

    20 #include "cryptostrength.h"

    21 #include <securityerr.h>

    22 

    23 #ifdef CRYPTO_STRONG_BUILD

    24 const TInt KDTIMaxSymmetricKeyBits = KMaxTInt;

    25 const TInt KDTIMaxAsymmetricKeyBits = KMaxTInt;

    26 const TCrypto::TStrength KCryptoStrength=TCrypto::EStrong;

    27 #else //CRYPTO_WEAK_BUILD

    28 const TInt KDTIMaxSymmetricKeyBits = 56;

    29 const TInt KDTIMaxAsymmetricKeyBits = 512;

    30 const TCrypto::TStrength KCryptoStrength=TCrypto::EWeak;

    31 #endif //CRYPTO_STRONG_BUILD

    32 

    33 EXPORT_C TCrypto::TStrength TCrypto::Strength(void)

    34 	{

    35 	return (KCryptoStrength);

    36 	}

    37 

    38 EXPORT_C TBool TCrypto::IsSymmetricWeakEnoughL(TInt aSymmetricKeyBits)

    39 	{

    40 	if(aSymmetricKeyBits > KDTIMaxSymmetricKeyBits)

    41 		{

    42 		User::Leave(KErrKeyNotWeakEnough);

    43 		}

    44 	return ETrue;

    45 	}

    46 

    47 EXPORT_C TBool TCrypto::IsAsymmetricWeakEnoughL(TInt aAsymmetricKeyBits)

    48 	{

    49 	if(aAsymmetricKeyBits > KDTIMaxAsymmetricKeyBits)

    50 		{

    51 		User::Leave(KErrKeyNotWeakEnough);

    52 		}

    53 	return ETrue;

    54 	}

    55