1 /*

     2 * Copyright (c) 2005-2009 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 

    20 

    21 /**

    22  @file

    23 */

    24 

    25 #ifndef __TSIGNATUREINPUT_H__

    26 #define __TSIGNATUREINPUT_H__

    27 

    28 #include <e32base.h>

    29 #include <hash.h>

    30 /** An abstract class capable of representing a message to be signed or verified. */

    31 class CSignatureInput : public CBase

    32     {

    33 public:

    34     virtual void Update(const TDesC8& aInput) = 0;

    35     virtual TPtrC8 Final(void) = 0;

    36 protected:

    37 	CSignatureInput(void) {}

    38 private:

    39     CSignatureInput(const CSignatureInput&);

    40     CSignatureInput& operator=(const CSignatureInput&);

    41     };

    42 

    43 class CHashingSignatureInput : public CSignatureInput

    44     {

    45 public:

    46     static CHashingSignatureInput* NewL(CMessageDigest::THashId aHashId);

    47     static CHashingSignatureInput* NewLC(CMessageDigest::THashId aHashId);

    48     virtual void Update(const TDesC8& aInput);

    49     virtual TPtrC8 Final(void);

    50     ~CHashingSignatureInput(void);

    51 protected:

    52     CHashingSignatureInput(void);

    53     void ConstructL(CMessageDigest::THashId aHashId);

    54 private:

    55     CMessageDigest* iHash;

    56 private:

    57     CHashingSignatureInput(const CHashingSignatureInput&);

    58     CHashingSignatureInput& operator=(const CHashingSignatureInput&);

    59     };

    60 

    61 #endif