1 /* contrib/pgcrypto/sha1.h */ 2 /* $KAME: sha1.h,v 1.4 2000/02/22 14:01:18 itojun Exp $ */ 3 4 /* 5 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the project nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 /* 33 * FIPS pub 180-1: Secure Hash Algorithm (SHA-1) 34 * based on: http://www.itl.nist.gov/fipspubs/fip180-1.htm 35 * implemented by Jun-ichiro itojun Itoh <itojun@itojun.org> 36 */ 37 38 #ifndef _NETINET6_SHA1_H_ 39 #define _NETINET6_SHA1_H_ 40 41 struct sha1_ctxt 42 { 43 union 44 { 45 uint8 b8[20]; 46 uint32 b32[5]; 47 } h; 48 union 49 { 50 uint8 b8[8]; 51 uint64 b64[1]; 52 } c; 53 union 54 { 55 uint8 b8[64]; 56 uint32 b32[16]; 57 } m; 58 uint8 count; 59 }; 60 61 extern void sha1_init(struct sha1_ctxt *); 62 extern void sha1_pad(struct sha1_ctxt *); 63 extern void sha1_loop(struct sha1_ctxt *, const uint8 *, size_t); 64 extern void sha1_result(struct sha1_ctxt *, uint8 *); 65 66 /* compatibility with other SHA1 source codes */ 67 typedef struct sha1_ctxt SHA1_CTX; 68 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 73 #define SHA1_RESULTLEN (160/8) 74 75 #endif /* _NETINET6_SHA1_H_ */ 76