1 /*- 2 * Copyright (c) 2001-2003 Allan Saddi <allan@saddi.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY ALLAN SADDI AND HIS CONTRIBUTORS ``AS IS'' 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL ALLAN SADDI OR HIS CONTRIBUTORS BE 18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 * POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $Id: sha1.h,v 1.1 2005/10/19 00:05:48 elmindreda Exp $ 27 */ 28 29 #ifndef _SHA1_H 30 #define _SHA1_H 31 32 #if HAVE_INTTYPES_H 33 # include <inttypes.h> 34 #else 35 # if HAVE_STDINT_H 36 # include <stdint.h> 37 # endif 38 #endif 39 40 #define SHA1_HASH_SIZE 20 41 42 /* Hash size in 32-bit words */ 43 #define SHA1_HASH_WORDS 5 44 45 struct _SHA1Context { 46 uint64_t totalLength; 47 uint32_t hash[SHA1_HASH_WORDS]; 48 uint32_t bufferLength; 49 union { 50 uint32_t words[16]; 51 uint8_t bytes[64]; 52 } buffer; 53 #ifdef RUNTIME_ENDIAN 54 int littleEndian; 55 #endif /* RUNTIME_ENDIAN */ 56 }; 57 58 typedef struct _SHA1Context SHA1Context; 59 60 #ifdef __cplusplus 61 extern "C" { 62 #endif 63 64 void SHA1Init (SHA1Context *sc); 65 void SHA1Update (SHA1Context *sc, const void *data, uint32_t len); 66 void SHA1Final (SHA1Context *sc, uint8_t hash[SHA1_HASH_SIZE]); 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* _SHA1_H */ 73