1 /* $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $ */
4 * SPDX-License-Identifier: BSD-3-Clause
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
35 * based on: http://csrc.nist.gov/fips/fip180-1.txt
36 * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
39 #ifndef _CRYPTO_SHA1_H_
40 #define _CRYPTO_SHA1_H_
57 typedef struct sha1_ctxt SHA1_CTX;
59 #define SHA1_RESULTLEN (160/8)
62 extern void sha1_init(struct sha1_ctxt *);
63 extern void sha1_pad(struct sha1_ctxt *);
64 extern void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t);
65 extern void sha1_result(struct sha1_ctxt *, char[__min_size(SHA1_RESULTLEN)]);
67 /* compatibilty with other SHA1 source codes */
68 #define SHA1Init(x) sha1_init((x))
69 #define SHA1Update(x, y, z) sha1_loop((x), (y), (z))
70 #define SHA1Final(x, y) sha1_result((y), (x))
73 #endif /*_CRYPTO_SHA1_H_*/