1 /* $FreeBSD$ */ 2 /* $KAME: sha1.h,v 1.5 2000/03/27 04:36:23 sumikawa Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-3-Clause 6 * 7 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the project nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 /* 35 * FIPS pub 180-1: Secure Hash Algorithm (SHA-1) 36 * based on: http://csrc.nist.gov/fips/fip180-1.txt 37 * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org> 38 */ 39 40 #ifndef _CRYPTO_SHA1_H_ 41 #define _CRYPTO_SHA1_H_ 42 43 struct sha1_ctxt { 44 union { 45 uint8_t b8[20]; 46 uint32_t b32[5]; 47 } h; 48 union { 49 uint8_t b8[8]; 50 uint64_t b64[1]; 51 } c; 52 union { 53 uint8_t b8[64]; 54 uint32_t b32[16]; 55 } m; 56 uint8_t count; 57 }; 58 typedef struct sha1_ctxt SHA1_CTX; 59 60 #define SHA1_RESULTLEN (160/8) 61 62 #ifdef _KERNEL 63 extern void sha1_init(struct sha1_ctxt *); 64 extern void sha1_pad(struct sha1_ctxt *); 65 extern void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t); 66 extern void sha1_result(struct sha1_ctxt *, char[__min_size(SHA1_RESULTLEN)]); 67 68 /* compatibilty with other SHA1 source codes */ 69 #define SHA1Init(x) sha1_init((x)) 70 #define SHA1Update(x, y, z) sha1_loop((x), (y), (z)) 71 #define SHA1Final(x, y) sha1_result((y), (x)) 72 #endif /* _KERNEL */ 73 74 #endif /*_CRYPTO_SHA1_H_*/ 75