/* $NetBSD: h_camellia.c,v 1.3 2014/01/17 19:39:51 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 vector from RFC3713 */
unsigned char key[32] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
                         0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
                         0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
                         0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff};
unsigned char iv[16] = {0};
char plaintx[16] = {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
                    0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10};
const unsigned char ciphertx[16] = {
        0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c,
        0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09
};

int
main(void)
{
        int fd, res;
        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.cipher = CRYPTO_CAMELLIA_CBC;
        cs.keylen = 32;
        cs.key = key;
        res = ioctl(fd, CIOCGSESSION, &cs);
        if (res < 0)
                err(1, "CIOCGSESSION");

        memset(&co, 0, sizeof(co));
        co.ses = cs.ses;
        co.op = COP_ENCRYPT;
        co.len = sizeof(plaintx);
        co.src = plaintx;
        co.dst = buf;
        co.dst_len = sizeof(buf);
        co.iv = iv;
        res = ioctl(fd, CIOCCRYPT, &co);
        if (res < 0)
                err(1, "CIOCCRYPT");

        if (memcmp(co.dst, ciphertx, sizeof(ciphertx)))
                warnx("verification failed");

        return 0;
}