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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 /* 31 * FIPS pub 180-1: Secure Hash Algorithm (SHA-1) 32 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 33 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 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 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 #include <stdlib.h> 46 #include "../../src/stdint.hpp" 47 48 struct sha1_ctxt 49 { 50 union 51 { 52 uint8_t b8[20]; 53 uint32_t b32[5]; 54 } h; 55 union 56 { 57 uint8_t b8[8]; 58 uint64_t b64[1]; 59 } c; 60 union 61 { 62 uint8_t b8[64]; 63 uint32_t b32[16]; 64 } m; 65 uint8_t count; 66 }; 67 68 void sha1_init(struct sha1_ctxt *); 69 void sha1_pad(struct sha1_ctxt *); 70 void sha1_loop(struct sha1_ctxt *, const uint8_t *, size_t); 71 void sha1_result(struct sha1_ctxt *, uint8_t *); 72 73 // Compatibility with OpenSSL API 74 #define SHA_DIGEST_LENGTH 20 75 typedef struct sha1_ctxt SHA_CTX; 76 77 #define SHA1_Init(x) sha1_init((x)) 78 #define SHA1_Update(x, y, z) sha1_loop((x), (y), (z)) 79 #define SHA1_Final(x, y) sha1_result((y), (x)) 80 81 #define SHA1_RESULTLEN (160/8) 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _NETINET6_SHA1_H_ */ 88