test_md5.c

网络MPEG4IP流媒体开发源代码

/*
 * FILE:    test_md5.c
 * AUTHORS: Colin Perkins
 * 
 * Copyright (c) 1999-2000 University College London
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, is permitted provided that the following conditions 
 * are met:
 * 1. Redistributions of source code must retain the above 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 software developed by the Computer Science
 *      Department at University College London
 * 4. Neither the name of the University nor of the Department may be used
 *    to endorse or promote products derived from this software without
 *    specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESSED 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 AUTHORS 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.
 */

#include "config_unix.h"
#include "config_win32.h"
#include "debug.h"
#include "memory.h"
#include "md5.h"
#include "test_md5.h"

static int do_test(int len)
{
        unsigned char *input;
        unsigned char  output[16];
	int            i;
	MD5_CTX        context;

	input = (unsigned char *) xmalloc(len+1);
	for (i = 0; i < len; i++) {
		input[i] = lrand48() % 255;
	}
	input[len] = '\0';

	MD5Init(&context);
	MD5Update(&context, input, len);
	MD5Final(output, &context); 

	xfree(input);

	return TRUE;
}

void test_md5(void)
{
	int	i, l;

	printf("MD5.................................... "); fflush(stdout);
	for (i = 0; i < 10000; i++) {
		l = lrand48() % 1024;
		if (do_test(l) == FALSE) {
			printf("fail\n");
			abort();
		}
	}
	printf("pass\n");
}