/* $NetBSD: h_md5.c,v 1.5 2014/01/18 20:10:34 pgoyette Exp $ */

/*-
 * Copyright (c) 2014 The NetBSD Foundation, Inc.
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>

#include <sys/ioctl.h>
#include <sys/time.h>

#include <crypto/cryptodev.h>

/* Test vectors from RFC1321 */

const struct {
	size_t len;
	unsigned char plaintx[80];
	unsigned char digest[16];
} tests[] = {
	{ 0, "",
	  { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04,
	    0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e } },
	{ 1, "a",
	  { 0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8,
	    0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 } },
	{ 3, "abc",
	  { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0,
	    0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 } },
	{ 14, "message digest",
	  { 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d,
	    0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 } },
	{ 26, "abcdefghijklmnopqrstuvwxyz",
	  { 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00,
	    0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b } },
	{ 62, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
	  { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5,
	    0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f } },
	{ 80, "123456789012345678901234567890123456789012345678901234567890"
		"12345678901234567890",
	  { 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55,
	    0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a } },
};

int
main(void)
{
	int fd, res;
	size_t i;
	struct session_op cs;
	struct crypt_op co;
	unsigned char buf[16];

	fd = open("/dev/crypto", O_RDWR, 0);
	if (fd < 0)
		err(1, "open");
	memset(&cs, 0, sizeof(cs));
	cs.mac = CRYPTO_MD5;

	for (i = 0; i < __arraycount(tests); i++) {
		res = ioctl(fd, CIOCGSESSION, &cs);
		if (res < 0)
			err(1, "CIOCGSESSION test %zu", i);

		memset(&co, 0, sizeof(co));
		memset(&buf, 0, sizeof(buf));
		co.ses = cs.ses;
		co.op = COP_ENCRYPT;
		co.len = tests[i].len;
		co.src = __UNCONST(&tests[i].plaintx);
		co.mac = buf;
		res = ioctl(fd, CIOCCRYPT, &co);
		if (res < 0)
			err(1, "CIOCCRYPT test %zu", i);

		if (memcmp(co.mac, tests[i].digest, sizeof(tests[i].digest)))
			errx(1, "verification failed test %zu", i);

		res = ioctl(fd, CIOCFSESSION, &cs.ses);
		if (res < 0)
			err(1, "CIOCFSESSION test %zu", i);
	}
	return 0;
}