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author | delphij <delphij@FreeBSD.org> | 2015-07-15 19:21:26 +0000 |
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committer | delphij <delphij@FreeBSD.org> | 2015-07-15 19:21:26 +0000 |
commit | 2a25cee78ab1d37e7d2bc40ae675646974d99f56 (patch) | |
tree | b0302ac4be59e104f4e1e54014561a1389397192 /contrib/ntp/lib/isc/iterated_hash.c | |
parent | a0741a75537b2e0514472ac3b28afc55a7846c30 (diff) | |
download | FreeBSD-src-2a25cee78ab1d37e7d2bc40ae675646974d99f56.zip FreeBSD-src-2a25cee78ab1d37e7d2bc40ae675646974d99f56.tar.gz |
MFC r280849,280915-280916,281015-281016,282097,282408,282415,283542,
284864,285169-285170,285435:
ntp 4.2.8p3.
Relnotes: yes
Approved by: re (?)
Diffstat (limited to 'contrib/ntp/lib/isc/iterated_hash.c')
-rw-r--r-- | contrib/ntp/lib/isc/iterated_hash.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/contrib/ntp/lib/isc/iterated_hash.c b/contrib/ntp/lib/isc/iterated_hash.c new file mode 100644 index 0000000..86dedde --- /dev/null +++ b/contrib/ntp/lib/isc/iterated_hash.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2006, 2008, 2009 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.c,v 1.6 2009/02/18 23:47:48 tbox Exp $ */ + +#include "config.h" + +#include <stdio.h> + +#include <isc/sha1.h> +#include <isc/iterated_hash.h> + +int +isc_iterated_hash(unsigned char out[ISC_SHA1_DIGESTLENGTH], + unsigned int hashalg, int iterations, + const unsigned char *salt, int saltlength, + const unsigned char *in, int inlength) +{ + isc_sha1_t ctx; + int n = 0; + + if (hashalg != 1) + return (0); + + do { + isc_sha1_init(&ctx); + isc_sha1_update(&ctx, in, inlength); + isc_sha1_update(&ctx, salt, saltlength); + isc_sha1_final(&ctx, out); + in = out; + inlength = ISC_SHA1_DIGESTLENGTH; + } while (n++ < iterations); + + return (ISC_SHA1_DIGESTLENGTH); +} |