NetBSD-5.0.2/crypto/dist/heimdal/lib/hcrypto/test_hmac.c

/*
 * Copyright (c) 2006 Kungliga Tekniska Högskolan
 * (Royal Institute of Technology, Stockholm, Sweden). 
 * All rights reserved. 
 *
 * 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 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. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. 
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef RCSID
__RCSID("$Heimdal: test_hmac.c 16510 2006-01-10 05:48:43Z lha $"
        "$NetBSD: test_hmac.c,v 1.1 2008/03/22 09:39:27 mlelstv Exp $");
#endif

#include <sys/types.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <hmac.h>
#include <evp.h>

int
main(int argc, char **argv)
{
    unsigned char buf[4] = { 0, 0, 0, 0 };
    char hmackey[] = "hello-world";
    size_t hmackey_size = sizeof(hmackey);
    unsigned int hmaclen;
    unsigned char hmac[EVP_MAX_MD_SIZE];
    HMAC_CTX c;

    char answer[20] = "\x2c\xfa\x32\xb7\x2b\x8a\xf6\xdf\xcf\xda"
	              "\x6f\xd1\x52\x4d\x54\x58\x73\x0f\xf3\x24";

    HMAC_CTX_init(&c);
    HMAC_Init_ex(&c, hmackey, hmackey_size, EVP_sha1(), NULL);
    HMAC_Update(&c, buf, sizeof(buf));
    HMAC_Final(&c, hmac, &hmaclen);
    HMAC_CTX_cleanup(&c);

    if (hmaclen != 20) {
	printf("hmaclen = %d\n", (int)hmaclen);
	return 1;
    }

    if (memcmp(hmac, answer, hmaclen) != 0) {
	printf("wrong answer\n");
	return 1;
    }
	
    return 0;
}