crypto/sha/sha.c

   1 /* crypto/sha/sha.c */
   2 /* Copyright (C) 1995-1997 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 "sha.h"
  62
  63 #define BUFSIZE 1024*16
  64
  65 #ifndef NOPROTO
  66 void do_fp(FILE *f);
  67 void pt(unsigned char *md);
  68 int read(int, void *, unsigned int);
  69 #else
  70 void do_fp();
  71 void pt();
  72 int read();
  73 #endif
  74
  75 int main(argc, argv)
  76 int argc;
  77 char **argv;
  78         {
  79         int i,err=0;
  80         FILE *IN;
  81
  82         if (argc == 1)
  83                 {
  84                 do_fp(stdin);
  85                 }
  86         else
  87                 {
  88                 for (i=1; i<argc; i++)
  89                         {
  90                         IN=fopen(argv[i],"r");
  91                         if (IN == NULL)
  92                                 {
  93                                 perror(argv[i]);
  94                                 err++;
  95                                 continue;
  96                                 }
  97                         printf("SHA(%s)= ",argv[i]);
  98                         do_fp(IN);
  99                         fclose(IN);
 100                         }
 101                 }
 102         exit(err);
 103         }
 104
 105 void do_fp(f)
 106 FILE *f;
 107         {
 108         SHA_CTX c;
 109         unsigned char md[SHA_DIGEST_LENGTH];
 110         int fd;
 111         int i;
 112         unsigned char buf[BUFSIZE];
 113
 114         fd=fileno(f);
 115         SHA_Init(&c);
 116         for (;;)
 117                 {
 118                 i=read(fd,buf,BUFSIZE);
 119                 if (i <= 0) break;
 120                 SHA_Update(&c,buf,(unsigned long)i);
 121                 }
 122         SHA_Final(&(md[0]),&c);
 123         pt(md);
 124         }
 125
 126 void pt(md)
 127 unsigned char *md;
 128         {
 129         int i;
 130
 131         for (i=0; i<SHA_DIGEST_LENGTH; i++)
 132                 printf("%02x",md[i]);
 133         printf("\n");
 134         }
 135