OpenSolaris_b135/lib/libbc/inc/include/rpc/auth_des.h

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
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 *
 * When distributing Covered Code, include this CDDL HEADER in each
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 * If applicable, add the following below this CDDL HEADER, with the
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#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*
 * %M%, Protocol for DES style authentication for RPC
 *
 * Copyright (C) 1986, Sun Microsystems, Inc.
 */

#ifndef _rpc_auth_des_h
#define	_rpc_auth_des_h

/*
 * 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

#endif /*!_rpc_auth_des_h*/