/* * Copyright (C) 2008 Internet Systems Consortium, Inc. ("ISC") * * 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: iterated_hash.h,v 1.3 2008/09/25 04:02:39 tbox Exp $ */ #ifndef ISC_ITERATED_HASH_H #define ISC_ITERATED_HASH_H 1 #include <isc/lang.h> #include <isc/sha1.h> /* * The maximal hash length that can be encoded it a name * using base32hex. floor(255/8)*5 */ #define NSEC3_MAX_HASH_LENGTH 155 /* * The maximum has that can be encoded in a single label using * base32hex. floor(63/8)*5 */ #define NSEC3_MAX_LABEL_HASH 35 ISC_LANG_BEGINDECLS int isc_iterated_hash(unsigned char out[NSEC3_MAX_HASH_LENGTH], unsigned int hashalg, int iterations, const unsigned char *salt, int saltlength, const unsigned char *in, int inlength); ISC_LANG_ENDDECLS #endif /* ISC_ITERATED_HASH_H */