2 * Copyright (C) 2004-2008 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001, 2003 Internet Software Consortium.
5 * Permission to use, copy, modify, and/or 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: nsec.h,v 1.12 2008/09/25 04:02:39 tbox Exp $ */
23 /*! \file dns/nsec.h */
27 #include <dns/types.h>
30 #define DNS_NSEC_BUFFERSIZE (DNS_NAME_MAXWIRE + 8192 + 512)
35 dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version,
36 dns_dbnode_t *node, dns_name_t *target,
37 unsigned char *buffer, dns_rdata_t *rdata);
39 * Build the rdata of a NSEC record.
42 *\li buffer Points to a temporary buffer of at least
43 * DNS_NSEC_BUFFERSIZE bytes.
44 *\li rdata Points to an initialized dns_rdata_t.
47 * \li *rdata Contains a valid NSEC rdata. The 'data' member refers
52 dns_nsec_build(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
53 dns_name_t *target, dns_ttl_t ttl);
55 * Build a NSEC record and add it to a database.
59 dns_nsec_typepresent(dns_rdata_t *nsec, dns_rdatatype_t type);
61 * Determine if a type is marked as present in an NSEC record.
64 *\li 'nsec' points to a valid rdataset of type NSEC
68 dns_nsec_nseconly(dns_db_t *db, dns_dbversion_t *version,
69 isc_boolean_t *answer);
71 * Report whether the DNSKEY RRset has a NSEC only algorithm. Unknown
72 * algorithms are assumed to support NSEC3.
75 * 'answer' to be non NULL.
80 #endif /* DNS_NSEC_H */