1 /*

     2 * Copyright (c) 2007 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 "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:  AES encryptor function for drm engine use

    15 *

    16 */

    17 

    18 #ifndef DRMAESCRYPTO_H

    19 #define DRMAESCRYPTO_H

    20 

    21 /**

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

    23 *  @note for DRM engine internal use only

    24 *

    25 *  @lib drmcrypto.dll

    26 *  @since S60 v5.0

    27 */

    28 NONSHARABLE_CLASS( DrmAesCrypto )

    29     {

    30 public:

    31     /**

    32     * DrmAesEncryptL

    33     *

    34     * @since S60 v5.0

    35     * @param aKey 16 bytes long encryption key

    36     * @param aIV initial vector used in enctypting

    37     *            (becomes 1st block of encrypted data)

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

    39     * @param aData data to be encrypted

    40     * @return encrypted (and possibly padded) data

    41     */

    42     IMPORT_C static HBufC8* DrmAesEncryptL(

    43         const TDesC8& aKey,

    44         const TDesC8& aIV,

    45         const TBool aAddPadding,

    46         const TDesC8& aData );

    47 

    48     };

    49 

    50 #endif // DRMAESCRYPTO_H