/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  AES encryptor function for drm engine use

*

*/

#ifndef DRMAESCRYPTO_H

#define DRMAESCRYPTO_H

/**

*  DrmAesCrypto - utility for encrypting drm content using AES128-CBC

*  @note for DRM engine internal use only

*

*  @lib drmcrypto.dll

*  @since S60 v5.0

*/

NONSHARABLE_CLASS( DrmAesCrypto )

    {

public:

    /**

    * DrmAesEncryptL

    *

    * @since S60 v5.0

    * @param aKey 16 bytes long encryption key

    * @param aIV initial vector used in enctypting

    *            (becomes 1st block of encrypted data)

    * @param aAddPadding padding addition flag (RFC 2630 padding added if true)

    * @param aData data to be encrypted

    * @return encrypted (and possibly padded) data

    */

    IMPORT_C static HBufC8* DrmAesEncryptL(

        const TDesC8& aKey,

        const TDesC8& aIV,

        const TBool aAddPadding,

        const TDesC8& aData );

    };

#endif // DRMAESCRYPTO_H