1 /*

     2 * Copyright (c) 2008 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: A class that provides a decrypt operation.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef C_PKISERVICEDECRYPTOR_H

    21 #define C_PKISERVICEDECRYPTOR_H

    22 

    23 #include <e32base.h>

    24 #include <unifiedkeystore.h>

    25 

    26 #include "pkidefs.h"

    27 

    28 class MCTKeyStoreManager;

    29 class CLogonServices;

    30 

    31 

    32 /**

    33  * A class that decrypts data using a private key.

    34  *

    35  * This class handles the decryption of a data, which is

    36  * encrypted by using a public key from a stored keypair.

    37  */

    38 class CPkiServiceDecryptor : public CActive

    39     {

    40 public:

    41     static CPkiServiceDecryptor* NewL(CLogonServices& aLogonServices);

    42     ~CPkiServiceDecryptor();

    43 

    44     void Decrypt(const TPKIKeyIdentifier& aKeyId,

    45                  const TDesC8& aEncryptedData,

    46                  TPtr8& aPlainTextData,

    47                  CUnifiedKeyStore& aUnifiedKeyStore,

    48                  TInt aUsedKeyStore, 

    49                  TRequestStatus& aClientstatus);

    50 

    51 

    52     void RunL();

    53     void DoCancel();

    54 

    55 private:

    56     enum TDecryptorState

    57         {

    58         EDecryptorIdle = 0,

    59         EDecryptorGettingKey,

    60 		EDecryptorOpeningDecryptor,

    61 		EDecryptorDecrypting        

    62         };

    63 

    64     CPkiServiceDecryptor(CLogonServices& aLogonServices);

    65     void Cleanup();

    66     

    67     CLogonServices&     iLogonServices;

    68     TDecryptorState     iState;

    69     CUnifiedKeyStore*   iKeyStore; //Not owned by this class

    70     TInt                iUsedKeyStore;

    71     const TDesC8*       iInput;    //Not owned by this class

    72     TPtr8*              iPlainText;//Not owned by this class

    73     TRequestStatus*     iClientStatus;

    74     

    75     MCTDecryptor*              iDecryptor;        

    76     RMPointerArray<CCTKeyInfo> iKeysList;

    77     

    78     CCTKeyInfo*                iKeyInfo;

    79     };

    80 

    81 #endif //C_PKISERVICEDECRYPTOR_H