1/* crypto/sha/sha1.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#include <stdio.h> 60#include <stdlib.h> 61#include <openssl/sha.h> 62 63#define BUFSIZE 1024*16 64 65void do_fp(FILE *f); 66void pt(unsigned char *md); 67#ifndef _OSD_POSIX 68int read(int, void *, unsigned int); 69#endif 70 71int main(int argc, char **argv) 72{ 73 int i, err = 0; 74 FILE *IN; 75 76 if (argc == 1) { 77 do_fp(stdin); 78 } else { 79 for (i = 1; i < argc; i++) { 80 IN = fopen(argv[i], "r"); 81 if (IN == NULL) { 82 perror(argv[i]); 83 err++; 84 continue; 85 } 86 printf("SHA1(%s)= ", argv[i]); 87 do_fp(IN); 88 fclose(IN); 89 } 90 } 91 exit(err); 92} 93 94void do_fp(FILE *f) 95{ 96 SHA_CTX c; 97 unsigned char md[SHA_DIGEST_LENGTH]; 98 int fd; 99 int i; 100 unsigned char buf[BUFSIZE]; 101 102 fd = fileno(f); 103 SHA1_Init(&c); 104 for (;;) { 105 i = read(fd, buf, BUFSIZE); 106 if (i <= 0) 107 break; 108 SHA1_Update(&c, buf, (unsigned long)i); 109 } 110 SHA1_Final(&(md[0]), &c); 111 pt(md); 112} 113 114void pt(unsigned char *md) 115{ 116 int i; 117 118 for (i = 0; i < SHA_DIGEST_LENGTH; i++) 119 printf("%02x", md[i]); 120 printf("\n"); 121} 122