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md4.c
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1 /* crypto/md4/md4.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/md4.h>
62 
63 #define BUFSIZE 1024*16
64 
65 void do_fp(FILE *f);
66 void pt(unsigned char *md);
67 #if !defined(_OSD_POSIX) && !defined(__DJGPP__)
68 int read(int, void *, unsigned int);
69 #endif
70 
71 int main(int argc, char **argv)
72  {
73  int i,err=0;
74  FILE *IN;
75 
76  if (argc == 1)
77  {
78  do_fp(stdin);
79  }
80  else
81  {
82  for (i=1; i<argc; i++)
83  {
84  IN=fopen(argv[i],"r");
85  if (IN == NULL)
86  {
87  perror(argv[i]);
88  err++;
89  continue;
90  }
91  printf("MD4(%s)= ",argv[i]);
92  do_fp(IN);
93  fclose(IN);
94  }
95  }
96  exit(err);
97  }
98 
99 void do_fp(FILE *f)
100  {
101  MD4_CTX c;
102  unsigned char md[MD4_DIGEST_LENGTH];
103  int fd;
104  int i;
105  static unsigned char buf[BUFSIZE];
106 
107  fd=fileno(f);
108  MD4_Init(&c);
109  for (;;)
110  {
111  i=read(fd,buf,sizeof buf);
112  if (i <= 0) break;
113  MD4_Update(&c,buf,(unsigned long)i);
114  }
115  MD4_Final(&(md[0]),&c);
116  pt(md);
117  }
118 
119 void pt(unsigned char *md)
120  {
121  int i;
122 
123  for (i=0; i<MD4_DIGEST_LENGTH; i++)
124  printf("%02x",md[i]);
125  printf("\n");
126  }
127