#ifndef __RPC_AUTH_DES_H__
#define __RPC_AUTH_DES_H__
#ident "$Revision: 1.4 $"
/*
 *
 * Copyright 1992, Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
 * the contents of this file may not be disclosed to third parties, copied or
 * duplicated in any form, in whole or in part, without the prior written
 * permission of Silicon Graphics, Inc.
 *
 * RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to restrictions
 * as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
 * and Computer Software clause at DFARS 252.227-7013, and/or in similar or
 * successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
 * rights reserved under the Copyright Laws of the United States.
 */

#ifdef __cplusplus
extern "C" {
#endif

/*	@(#)auth_des.h	1.3 90/07/17 4.1NFSSRC SMI	*/

/* 
 * Copyright (c) 1990 by Sun Microsystems, Inc.
 * 1.3 88/02/08 SMI      
 */


/*
 * auth_des.h, Protocol for DES style authentication for RPC
 */


/*
 * There are two kinds of "names": fullnames and nicknames
 */
enum authdes_namekind {
	ADN_FULLNAME, 
	ADN_NICKNAME
};

/*
 * A fullname contains the network name of the client, 
 * a conversation key and the window
 */
struct authdes_fullname {
	char *name;		/* network name of client, up to MAXNETNAMELEN */
	des_block key;		/* conversation key */
	u_long window;		/* associated window */
};


/*
 * A credential 
 */
struct authdes_cred {
	enum authdes_namekind adc_namekind;
	struct authdes_fullname adc_fullname;
	u_long adc_nickname;
};



/*
 * A des authentication verifier 
 */
struct authdes_verf {
	union {
		struct timeval adv_ctime;	/* clear time */
		des_block adv_xtime;		/* crypt time */
	} adv_time_u;
	u_long adv_int_u;
};

/*
 * des authentication verifier: client variety
 *
 * adv_timestamp is the current time.
 * adv_winverf is the credential window + 1.
 * Both are encrypted using the conversation key.
 */
#define adv_timestamp	adv_time_u.adv_ctime
#define adv_xtimestamp	adv_time_u.adv_xtime
#define adv_winverf	adv_int_u

/*
 * des authentication verifier: server variety
 *
 * adv_timeverf is the client's timestamp + client's window
 * adv_nickname is the server's nickname for the client.
 * adv_timeverf is encrypted using the conversation key.
 */
#define adv_timeverf	adv_time_u.adv_ctime
#define adv_xtimeverf	adv_time_u.adv_xtime
#define adv_nickname	adv_int_u

#ifdef __cplusplus
}
#endif
#endif /* !__RPC_AUTH_DES_H__ */