/* crypto/mdc2/mdc2test.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 <string.h>

#include <openssl/evp.h>
#include <openssl/mdc2.h>

static unsigned char pad1[16]={
	0x42,0xE5,0x0C,0xD2,0x24,0xBA,0xCE,0xBA,
	0x76,0x0B,0xDD,0x2B,0xD4,0x09,0x28,0x1A
	};

static unsigned char pad2[16]={
	0x2E,0x46,0x79,0xB5,0xAD,0xD9,0xCA,0x75,
	0x35,0xD8,0x7A,0xFE,0xAB,0x33,0xBE,0xE2
	};

int main(int argc, char *argv[])
	{
	int ret=0;
	unsigned char md[MDC2_DIGEST_LENGTH];
	int i;
	EVP_MD_CTX c;
	static char *text="Now is the time for all ";

	EVP_MD_CTX_init(&c);
	EVP_DigestInit_ex(&c,EVP_mdc2(), NULL);
	EVP_DigestUpdate(&c,(unsigned char *)text,strlen(text));
	EVP_DigestFinal_ex(&c,&(md[0]),NULL);

	if (memcmp(md,pad1,MDC2_DIGEST_LENGTH) != 0)
		{
		for (i=0; i<MDC2_DIGEST_LENGTH; i++)
			printf("%02X",md[i]);
		printf(" <- generated\n");
		for (i=0; i<MDC2_DIGEST_LENGTH; i++)
			printf("%02X",pad1[i]);
		printf(" <- correct\n");
		ret=1;
		}
	else
		printf("pad1 - ok\n");

	EVP_DigestInit_ex(&c,EVP_mdc2(), NULL);
	/* FIXME: use a ctl function? */
	((MDC2_CTX *)c.md_data)->pad_type=2;
	EVP_DigestUpdate(&c,(unsigned char *)text,strlen(text));
	EVP_DigestFinal_ex(&c,&(md[0]),NULL);

	if (memcmp(md,pad2,MDC2_DIGEST_LENGTH) != 0)
		{
		for (i=0; i<MDC2_DIGEST_LENGTH; i++)
			printf("%02X",md[i]);
		printf(" <- generated\n");
		for (i=0; i<MDC2_DIGEST_LENGTH; i++)
			printf("%02X",pad2[i]);
		printf(" <- correct\n");
		ret=1;
		}
	else
		printf("pad2 - ok\n");

	EVP_MD_CTX_cleanup(&c);
	exit(ret);
	}