/* crypto/md2/md2.c */

 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

  * All rights reserved.

  *

  * This package is an SSL implementation written

  * by Eric Young (eay@cryptsoft.com).

  * The implementation was written so as to conform with Netscapes SSL.

  * 

  * This library is free for commercial and non-commercial use as long as

  * the following conditions are aheared to.  The following conditions

  * apply to all code found in this distribution, be it the RC4, RSA,

  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

  * included with this distribution is covered by the same copyright terms

  * except that the holder is Tim Hudson (tjh@cryptsoft.com).

  * 

  * Copyright remains Eric Young's, and as such any Copyright notices in

  * the code are not to be removed.

  * If this package is used in a product, Eric Young should be given attribution

  * as the author of the parts of the library used.

  * This can be in the form of a textual message at program startup or

  * in documentation (online or textual) provided with the package.

  * 

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted provided that the following conditions

  * are met:

  * 1. Redistributions of source code must retain the copyright

  *    notice, this list of conditions and the following disclaimer.

  * 2. Redistributions in binary form must reproduce the above copyright

  *    notice, this list of conditions and the following disclaimer in the

  *    documentation and/or other materials provided with the distribution.

  * 3. All advertising materials mentioning features or use of this software

  *    must display the following acknowledgement:

  *    "This product includes cryptographic software written by

  *     Eric Young (eay@cryptsoft.com)"

  *    The word 'cryptographic' can be left out if the rouines from the library

  *    being used are not cryptographic related :-).

  * 4. If you include any Windows specific code (or a derivative thereof) from 

  *    the apps directory (application code) you must include an acknowledgement:

  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

  * 

  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

  * SUCH DAMAGE.

  * 

  * The licence and distribution terms for any publically available version or

  * derivative of this code cannot be changed.  i.e. this code cannot simply be

  * copied and put under another distribution licence

  * [including the GNU Public Licence.]

  */

 #include <stdio.h>

 #include <stdlib.h>

 #include <openssl/md2.h>

 #define BUFSIZE	1024*16

 void do_fp(FILE *f);

 void pt(unsigned char *md);

 int read(int, void *, unsigned int);

 void exit(int);

 int main(int argc, char *argv[])

 	{

 	int i,err=0;

 	FILE *IN;

 	if (argc == 1)

 		{

 		do_fp(stdin);

 		}

 	else

 		{

 		for (i=1; i<argc; i++)

 			{

 			IN=fopen(argv[i],"r");

 			if (IN == NULL)

 				{

 				perror(argv[i]);

 				err++;

 				continue;

 				}

 			printf("MD2(%s)= ",argv[i]);

 			do_fp(IN);

 			fclose(IN);

 			}

 		}

 	exit(err);

 	return(err);

 	}

 void do_fp(FILE *f)

 	{

 	MD2_CTX c;

 	unsigned char md[MD2_DIGEST_LENGTH];

 	int fd,i;

 	static unsigned char buf[BUFSIZE];

 	fd=fileno(f);

 	MD2_Init(&c);

 	for (;;)

 		{

 		i=read(fd,buf,BUFSIZE);

 		if (i <= 0) break;

 		MD2_Update(&c,buf,(unsigned long)i);

 		}

 	MD2_Final(&(md[0]),&c);

 	pt(md);

 	}

 void pt(unsigned char *md)

 	{

 	int i;

 	for (i=0; i<MD2_DIGEST_LENGTH; i++)

 		printf("%02x",md[i]);

 	printf("\n");

 	}