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| Current File : //usr/include/bind9/isc/iterated_hash.h |
/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#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 in 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 */