/*

* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  EAP and WLAN authentication protocols.

*

*/

/*

*/

#if !defined(_ABS_TLS_MESSAGE_HASH_H_)

#define _ABS_TLS_MESSAGE_HASH_H_

#include "eap_am_export.h"

/// This class declares the functions message classes of TLS

/// requires from the TLS.

class EAP_EXPORT abs_tls_message_hash_c

{

private:

	//--------------------------------------------------

	//--------------------------------------------------

protected:

	//--------------------------------------------------

	//--------------------------------------------------

public:

	//--------------------------------------------------

	/// Destructor does nothing.

	virtual ~abs_tls_message_hash_c()

	{

	}

	/// Constructor does nothing.

	abs_tls_message_hash_c()

	{

	}

	/**

	 * This function adds the send and received TLS-handshake message to MD5 and SHA hashes.

	 * @param eap includes the buffer of the whole reassembled TLS-packet.

	 * @param packet_length is length in bytes of the TLS-packet.

	 */

	virtual eap_status_e message_hash_update(

		const bool true_when_parse_message,

		const tls_handshake_type_e type,

		u8_t * const tls_packet,

		const u32_t tls_packet_length) = 0;

	/**

	 * This function saves MD5 and SHA hashes for certificate verify message to

	 * member attributes m_message_hash_md5_certificate_verify and m_message_hash_sha1_certificate_verify.

	 */

	virtual eap_status_e message_hash_save_certificate_verify() = 0;

	/**

	 * This function saves MD5 and SHA hashes for finished message to

	 * member attributes message_hash_md5_finished and message_hash_sha1_finished.

	 */

	virtual eap_status_e message_hash_save_finished(

		const bool client_originated) = 0;

	/**

	 * This function creates finished message hash.

	 * @param signed_message_hash is pointer to buffer of the message hash.

	 */

	virtual eap_status_e message_hash_create_finished(

		const bool client_originated_message,

		eap_variable_data_c * const signed_message_hash) = 0;

	//--------------------------------------------------

}; // class abs_tls_message_hash_c

#endif //#if !defined(_ABS_TLS_MESSAGE_HASH_H_)

//--------------------------------------------------

// End.