2 * Copyright (C) 2006, 2008, 2009 Internet Systems Consortium, Inc. ("ISC")
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14 * PERFORMANCE OF THIS SOFTWARE.
17 /* $Id: iterated_hash.c,v 1.4.48.2 2009/02/18 23:47:12 tbox Exp $ */
24 #include <isc/iterated_hash.h>
27 isc_iterated_hash(unsigned char out[ISC_SHA1_DIGESTLENGTH],
28 unsigned int hashalg, int iterations,
29 const unsigned char *salt, int saltlength,
30 const unsigned char *in, int inlength)
40 isc_sha1_update(&ctx, in, inlength);
41 isc_sha1_update(&ctx, salt, saltlength);
42 isc_sha1_final(&ctx, out);
44 inlength = ISC_SHA1_DIGESTLENGTH;
45 } while (n++ < iterations);
47 return (ISC_SHA1_DIGESTLENGTH);