/* * Copyright (C) 2004-2007, 2010 Internet Systems Consortium, Inc. ("ISC") * Copyright (C) 2002 Internet Software Consortium. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ /* $Id: ds.h,v 1.12 2010/12/23 23:47:08 tbox Exp $ */ #ifndef DNS_DS_H #define DNS_DS_H 1 #include <isc/lang.h> #include <dns/types.h> #define DNS_DSDIGEST_SHA1 (1) #define DNS_DSDIGEST_SHA256 (2) #define DNS_DSDIGEST_GOST (3) /* should not be here... */ #define ISC_GOST_DIGESTLENGTH 32U /* * Assuming SHA-256 digest type. */ #define DNS_DS_BUFFERSIZE (36) ISC_LANG_BEGINDECLS isc_result_t dns_ds_buildrdata(dns_name_t *owner, dns_rdata_t *key, unsigned int digest_type, unsigned char *buffer, dns_rdata_t *rdata); /*%< * Build the rdata of a DS record. * * Requires: *\li key Points to a valid DNS KEY record. *\li buffer Points to a temporary buffer of at least * #DNS_DS_BUFFERSIZE bytes. *\li rdata Points to an initialized dns_rdata_t. * * Ensures: * \li *rdata Contains a valid DS rdata. The 'data' member refers * to 'buffer'. */ isc_boolean_t dns_ds_digest_supported(unsigned int digest_type); /*%< * Is this digest algorithm supported by dns_ds_buildrdata()? */ ISC_LANG_ENDDECLS #endif /* DNS_DS_H */