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 

    23 /**

    24  @file

    25 */

    26 

    27 #ifndef __TSIGNATUREINPUT_H__

    28 #define __TSIGNATUREINPUT_H__

    29 

    30 #include <e32base.h>

    31 #include <hash.h>

    32 /** An abstract class capable of representing a message to be signed or

    33 * verified.

    34 * @publishedPartner

    35 * @released

    36 */

    37 class CSignatureInput : public CBase

    38     {

    39 public:

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

    41     virtual TPtrC8 Final(void) = 0;

    42 protected:

    43 	CSignatureInput(void) {}

    44 private:

    45     CSignatureInput(const CSignatureInput&);

    46     CSignatureInput& operator=(const CSignatureInput&);

    47     };

    48 

    49 /**

    50 * @publishedPartner

    51 * @released

    52 */

    53 class CHashingSignatureInput : public CSignatureInput

    54     {

    55 public:

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

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

    58     virtual void Update(const TDesC8& aInput);

    59     virtual TPtrC8 Final(void);

    60     ~CHashingSignatureInput(void);

    61 protected:

    62     CHashingSignatureInput(void);

    63     void ConstructL(CMessageDigest::THashId aHashId);

    64 private:

    65     CMessageDigest* iHash;

    66 private:

    67     CHashingSignatureInput(const CHashingSignatureInput&);

    68     CHashingSignatureInput& operator=(const CHashingSignatureInput&);

    69     };

    70 

    71 #endif