libsyscall/mach/servers/key_defs.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Mach Operating System
  30  * Copyright (c) 1987 Carnegie-Mellon University
  31  * All rights reserved.  The CMU software License Agreement specifies
  32  * the terms and conditions for use and redistribution.
  33  */
  34
  35 /*
  36  * Definitions of encryption keys etc..
  37  */
  38
  39 /*
  40  * HISTORY:
  41  *  5-Jun-87  Robert Sansom (rds) at Carnegie Mellon University
  42  *      Added macros to convert keys between network and host order.
  43  *
  44  * 12-Apr-87  Robert Sansom (rds) at Carnegie Mellon University
  45  *      Added KEY_IS_NULL.
  46  *
  47  *  2-Feb-87  Robert Sansom (rds) at Carnegie Mellon University
  48  *      Added KEY_EQUAL.
  49  *
  50  *  5-Nov-86  Robert Sansom (rds) at Carnegie-Mellon University
  51  *      Started.
  52  *
  53  */
  54
  55 #ifndef _KEY_DEFS_
  56 #define _KEY_DEFS_
  57
  58 /*
  59  * An encrytion key.
  60  */
  61 typedef union {
  62         unsigned char       key_bytes[16];
  63         unsigned long       key_longs[4];
  64 } key_t, *key_ptr_t;
  65
  66 #define KEY_EQUAL(key1, key2)                                   \
  67     ((key1.key_longs[0] == key2.key_longs[0])                   \
  68         && (key1.key_longs[1] == key2.key_longs[1])             \
  69         && (key1.key_longs[2] == key2.key_longs[2])             \
  70         && (key1.key_longs[3] == key2.key_longs[3]))
  71
  72 #define KEY_IS_NULL(key)                                        \
  73     (((key).key_longs[0] == 0) && ((key).key_longs[1] == 0)     \
  74         && ((key).key_longs[2] == 0) && ((key).key_longs[3] == 0))
  75
  76
  77 /*
  78  * Macros to convert keys between network and host byte order.
  79  */
  80 #define NTOH_KEY(key) {                                                 \
  81     (key).key_longs[0] = ntohl((key).key_longs[0]);                     \
  82     (key).key_longs[1] = ntohl((key).key_longs[1]);                     \
  83     (key).key_longs[2] = ntohl((key).key_longs[2]);                     \
  84     (key).key_longs[3] = ntohl((key).key_longs[3]);                     \
  85 }
  86
  87 #define HTON_KEY(key) {                                                 \
  88     (key).key_longs[0] = htonl((key).key_longs[0]);                     \
  89     (key).key_longs[1] = htonl((key).key_longs[1]);                     \
  90     (key).key_longs[2] = htonl((key).key_longs[2]);                     \
  91     (key).key_longs[3] = htonl((key).key_longs[3]);                     \
  92 }
  93
  94 /*
  95  * Structure used to transmit or store a token or a key.
  96  */
  97 typedef union {
  98         key_t       si_key;
  99         key_t       si_token;
 100 } secure_info_t, *secure_info_ptr_t;
 101
 102 /*
 103  * Security Level of ports and messages.
 104  */
 105 #define PORT_NOT_SECURE         0
 106 #define MESSAGE_NOT_SECURE      0
 107
 108 #endif  /* _KEY_DEFS_ */