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

    31 * verified.

    32 * @publishedPartner

    33 * @released

    34 */

    35 class CSignatureInput : public CBase

    36     {

    37 public:

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

    39     virtual TPtrC8 Final(void) = 0;

    40 protected:

    41 	CSignatureInput(void) {}

    42 private:

    43     CSignatureInput(const CSignatureInput&);

    44     CSignatureInput& operator=(const CSignatureInput&);

    45     };

    46 

    47 /**

    48 * @publishedPartner

    49 * @released

    50 */

    51 class CHashingSignatureInput : public CSignatureInput

    52     {

    53 public:

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

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

    56     virtual void Update(const TDesC8& aInput);

    57     virtual TPtrC8 Final(void);

    58     ~CHashingSignatureInput(void);

    59 protected:

    60     CHashingSignatureInput(void);

    61     void ConstructL(CMessageDigest::THashId aHashId);

    62 private:

    63     CMessageDigest* iHash;

    64 private:

    65     CHashingSignatureInput(const CHashingSignatureInput&);

    66     CHashingSignatureInput& operator=(const CHashingSignatureInput&);

    67     };

    68 

    69 #endif