1/*
2 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
3 *
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.
7 *
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.
15 */
16
17#ifndef ISC_SHA1_H
18#define ISC_SHA1_H 1
19
20/* $Id: sha1.h,v 1.6 2020/02/25 05:00:43 jsg Exp $ */
21
22/*	$NetBSD: sha1.h,v 1.2 1998/05/29 22:55:44 thorpej Exp $	*/
23
24/*! \file isc/sha1.h
25 * \brief SHA-1 in C
26 * \author By Steve Reid <steve@edmweb.com>
27 * \note 100% Public Domain
28 */
29
30#define ISC_SHA1_DIGESTLENGTH 20U
31#define ISC_SHA1_BLOCK_LENGTH 64U
32
33#include <openssl/evp.h>
34
35typedef struct {
36	EVP_MD_CTX *ctx;
37} isc_sha1_t;
38
39void
40isc_sha1_init(isc_sha1_t *ctx);
41
42void
43isc_sha1_update(isc_sha1_t *ctx, const unsigned char *data, unsigned int len);
44
45void
46isc_sha1_final(isc_sha1_t *ctx, unsigned char *digest);
47
48#endif /* ISC_SHA1_H */
49