1 /* crypto/md2/md2.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/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 	}