/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Provides the functionality of a DSA based cryptographic

 *                cipher for encryption and decryption.

 *

*/

#ifndef STSDSASIGNATURE_H

#define STSDSASIGNATURE_H

//  INCLUDES

#include <string>

#include <openssl/dsa.h>

#include <openssl/pem.h>

#include <openssl/x509.h>

#include <openssl/evp.h>

#include <jni.h>

#include "stssignature.h"

using namespace std;

namespace java

{

namespace satsa

{

/**

 *  Provides RSA signature algorithm.

 */

class STSDSASignature: public STSSignature

{

public:

    // Constructors and destructor

    static STSDSASignature* Create(const std::wstring aPadding, int* errCode);

    virtual ~STSDSASignature();

public:

    // From STSSignature

    int InitVerify(JNIEnv* aJni, jstring aKeyAlgorithm, jstring aKeyFormat,

                   jbyteArray aKeyEncoded);

    int Verify(JNIEnv* aJni, jbyteArray aSignature);

    int Update(JNIEnv* aJni, jbyteArray aData, jint aOffset, jint aLength);

protected:

    STSDSASignature();

    int Construct(const std::wstring aPadding);

private:

    DSA* mDSA;

    EVP_PKEY *mpkey;

};

} // namespace satsa

} // namespace java

#endif // STSDSASIGNATURE_H

// End of File