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/*
 * include/krb5/proto.h
 *
 * Copyright 1989,1990 by the Massachusetts Institute of Technology.
 * All Rights Reserved.
 *
 * Export of this software from the United States of America may
 *   require a specific license from the United States Government.
 *   It is the responsibility of any person or organization contemplating
 *   export to obtain such a license before exporting.
 * 
 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
 * distribute this software and its documentation for any purpose and
 * without fee is hereby granted, provided that the above copyright
 * notice appear in all copies and that both that copyright notice and
 * this permission notice appear in supporting documentation, and that
 * the name of M.I.T. not be used in advertising or publicity pertaining
 * to distribution of the software without specific, written prior
 * permission.  M.I.T. makes no representations about the suitability of
 * this software for any purpose.  It is provided "as is" without express
 * or implied warranty.
 * 
 *
 * Protocol message definitions.
 */


#ifndef	KRB5_PROTO__
#define KRB5_PROTO__

/* Protocol version number */
#define	KRB5_PVNO	5

/* Message types */

#define	KRB5_AS_REQ	((krb5_msgtype)10) /* Req for initial authentication */
#define	KRB5_AS_REP	((krb5_msgtype)11) /* Response to KRB_AS_REQ request */
#define	KRB5_TGS_REQ	((krb5_msgtype)12) /* TGS request to server */
#define	KRB5_TGS_REP	((krb5_msgtype)13) /* Response to KRB_TGS_REQ req */
#define	KRB5_AP_REQ	((krb5_msgtype)14) /* application request to server */
#define	KRB5_AP_REP	((krb5_msgtype)15) /* Response to KRB_AP_REQ_MUTUAL */
#define	KRB5_SAFE	((krb5_msgtype)20) /* Safe application message */
#define	KRB5_PRIV	((krb5_msgtype)21) /* Private application message */
#define	KRB5_CRED	((krb5_msgtype)22) /* Credential forwarding message */
#define	KRB5_ERROR	((krb5_msgtype)30) /* Error response */

/* LastReq types */
#define KRB5_LRQ_NONE			0
#define KRB5_LRQ_ALL_LAST_TGT		1
#define KRB5_LRQ_ONE_LAST_TGT		(-1)
#define KRB5_LRQ_ALL_LAST_INITIAL	2
#define KRB5_LRQ_ONE_LAST_INITIAL	(-2)
#define KRB5_LRQ_ALL_LAST_TGT_ISSUED	3
#define KRB5_LRQ_ONE_LAST_TGT_ISSUED	(-3)
#define KRB5_LRQ_ALL_LAST_RENEWAL	4
#define KRB5_LRQ_ONE_LAST_RENEWAL	(-4)
#define KRB5_LRQ_ALL_LAST_REQ		5
#define KRB5_LRQ_ONE_LAST_REQ		(-5)

/* PADATA types */
#define KRB5_PADATA_NONE                0
#define	KRB5_PADATA_AP_REQ		1
#define	KRB5_PADATA_TGS_REQ		KRB5_PADATA_AP_REQ
#define KRB5_PADATA_ENC_TIMESTAMP	2
#define	KRB5_PADATA_PW_SALT		3
#if 0				/* Not used */
#define KRB5_PADATA_ENC_ENCKEY          4  /* Key encrypted within itself */
#endif
#define KRB5_PADATA_ENC_UNIX_TIME       5  /* timestamp encrypted in key */
#define KRB5_PADATA_ENC_SANDIA_SECURID  6  /* SecurId passcode */
#define KRB5_PADATA_SESAME		7  /* Sesame project */
#define KRB5_PADATA_OSF_DCE		8  /* OSF DCE */
    
/* Reserved for SPX pre-authentication. */
#define KRB5_PADATA_DASS		16

/* Transited encoding types */
#define	KRB5_DOMAIN_X500_COMPRESS	1

/* alternate authentication types */
#define	KRB5_ALTAUTH_ATT_CHALLENGE_RESPONSE	64

/* authorization data types */
#define	KRB5_AUTHDATA_OSF_DCE	64
#define KRB5_AUTHDATA_SESAME	65

#endif /* KRB5_PROTO__ */