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/*
* Mach Operating System
* Copyright (c) 1987 Carnegie-Mellon University
* All rights reserved. The CMU software License Agreement specifies
* the terms and conditions for use and redistribution.
*/
/*
* key_defs.h
*
* $Source: /../wb1/usr/netmsg/src/RCS/key_defs.h,v $
*
* $Header: key_defs.h,v 1.5 88/02/22 11:49:11 dpj Exp $
*
*/
/*
* Definitions of encryption keys etc..
*/
/*
* HISTORY:
* 5-Jun-87 Robert Sansom (rds) at Carnegie Mellon University
* Added macros to convert keys between network and host order.
*
* 12-Apr-87 Robert Sansom (rds) at Carnegie Mellon University
* Added KEY_IS_NULL.
*
* 2-Feb-87 Robert Sansom (rds) at Carnegie Mellon University
* Added KEY_EQUAL.
*
* 5-Nov-86 Robert Sansom (rds) at Carnegie-Mellon University
* Started.
*
*/
#ifndef _KEY_DEFS_
#define _KEY_DEFS_
/*
* An encrytion key.
*/
typedef union {
unsigned char key_bytes[16];
unsigned long key_longs[4];
} key_t, *key_ptr_t;
#define KEY_EQUAL(key1, key2) \
((key1.key_longs[0] == key2.key_longs[0]) \
&& (key1.key_longs[1] == key2.key_longs[1]) \
&& (key1.key_longs[2] == key2.key_longs[2]) \
&& (key1.key_longs[3] == key2.key_longs[3]))
#define KEY_IS_NULL(key) \
(((key).key_longs[0] == 0) && ((key).key_longs[1] == 0) \
&& ((key).key_longs[2] == 0) && ((key).key_longs[3] == 0))
/*
* Macros to convert keys between network and host byte order.
*/
#define NTOH_KEY(key) { \
(key).key_longs[0] = ntohl((key).key_longs[0]); \
(key).key_longs[1] = ntohl((key).key_longs[1]); \
(key).key_longs[2] = ntohl((key).key_longs[2]); \
(key).key_longs[3] = ntohl((key).key_longs[3]); \
}
#define HTON_KEY(key) { \
(key).key_longs[0] = htonl((key).key_longs[0]); \
(key).key_longs[1] = htonl((key).key_longs[1]); \
(key).key_longs[2] = htonl((key).key_longs[2]); \
(key).key_longs[3] = htonl((key).key_longs[3]); \
}
/*
* Structure used to transmit or store a token or a key.
*/
typedef union {
key_t si_key;
key_t si_token;
} secure_info_t, *secure_info_ptr_t;
/*
* Security Level of ports and messages.
*/
#define PORT_NOT_SECURE 0
#define MESSAGE_NOT_SECURE 0
#endif
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