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md2.c
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1 /* crypto/md2/md2.c */
2 /* Copyright (C) 1995-1998 Eric Young ([email protected])
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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/md2.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 void exit(int);
69 int main(int argc, char *argv[])
70  {
71  int i,err=0;
72  FILE *IN;
73 
74  if (argc == 1)
75  {
76  do_fp(stdin);
77  }
78  else
79  {
80  for (i=1; i<argc; i++)
81  {
82  IN=fopen(argv[i],"r");
83  if (IN == NULL)
84  {
85  perror(argv[i]);
86  err++;
87  continue;
88  }
89  printf("MD2(%s)= ",argv[i]);
90  do_fp(IN);
91  fclose(IN);
92  }
93  }
94  exit(err);
95  return(err);
96  }
97 
98 void do_fp(FILE *f)
99  {
100  MD2_CTX c;
101  unsigned char md[MD2_DIGEST_LENGTH];
102  int fd,i;
103  static unsigned char buf[BUFSIZE];
104 
105  fd=fileno(f);
106  MD2_Init(&c);
107  for (;;)
108  {
109  i=read(fd,buf,BUFSIZE);
110  if (i <= 0) break;
111  MD2_Update(&c,buf,(unsigned long)i);
112  }
113  MD2_Final(&(md[0]),&c);
114  pt(md);
115  }
116 
117 void pt(unsigned char *md)
118  {
119  int i;
120 
121  for (i=0; i<MD2_DIGEST_LENGTH; i++)
122  printf("%02x",md[i]);
123  printf("\n");
124  }