/usr/include/isc/iterated_hash.h is in libbind-dev 1:9.11.3+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | /*
* Copyright (C) 2008, 2014, 2016 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/.
*/
/* $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 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 */
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