release/src/router/openssl/crypto/sha/sha.c

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