2 * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: key.c,v 1.6.2.1 2004/03/09 06:11:41 marka Exp $ */
24 #include <isc/region.h>
27 #include <dns/keyvalues.h>
31 #include "dst_internal.h"
34 dst_region_computeid(const isc_region_t *source, unsigned int alg) {
36 const unsigned char *p;
39 REQUIRE(source != NULL);
40 REQUIRE(source->length >= 4);
43 size = source->length;
45 if (alg == DST_ALG_RSAMD5)
46 return ((p[size - 3] << 8) + p[size - 2]);
48 for (ac = 0; size > 1; size -= 2, p += 2)
49 ac += ((*p) << 8) + *(p + 1);
53 ac += (ac >> 16) & 0xffff;
55 return ((isc_uint16_t)(ac & 0xffff));
59 dst_key_name(const dst_key_t *key) {
60 REQUIRE(VALID_KEY(key));
61 return (key->key_name);
65 dst_key_size(const dst_key_t *key) {
66 REQUIRE(VALID_KEY(key));
67 return (key->key_size);
71 dst_key_proto(const dst_key_t *key) {
72 REQUIRE(VALID_KEY(key));
73 return (key->key_proto);
77 dst_key_alg(const dst_key_t *key) {
78 REQUIRE(VALID_KEY(key));
79 return (key->key_alg);
83 dst_key_flags(const dst_key_t *key) {
84 REQUIRE(VALID_KEY(key));
85 return (key->key_flags);
89 dst_key_id(const dst_key_t *key) {
90 REQUIRE(VALID_KEY(key));
95 dst_key_class(const dst_key_t *key) {
96 REQUIRE(VALID_KEY(key));
97 return (key->key_class);
101 dst_key_iszonekey(const dst_key_t *key) {
102 REQUIRE(VALID_KEY(key));
104 if ((key->key_flags & DNS_KEYTYPE_NOAUTH) != 0)
106 if ((key->key_flags & DNS_KEYFLAG_OWNERMASK) != DNS_KEYOWNER_ZONE)
108 if (key->key_proto != DNS_KEYPROTO_DNSSEC &&
109 key->key_proto != DNS_KEYPROTO_ANY)
115 dst_key_isnullkey(const dst_key_t *key) {
116 REQUIRE(VALID_KEY(key));
118 if ((key->key_flags & DNS_KEYFLAG_TYPEMASK) != DNS_KEYTYPE_NOKEY)
120 if ((key->key_flags & DNS_KEYFLAG_OWNERMASK) != DNS_KEYOWNER_ZONE)
122 if (key->key_proto != DNS_KEYPROTO_DNSSEC &&
123 key->key_proto != DNS_KEYPROTO_ANY)