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/*
* Copyright 2010 Red Hat, Inc.
*
* 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 RED HAT, 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 RED HAT, INC. 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.
*
* Red Hat author: Jan Chadima <jchadima@redhat.com>
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <string.h>
#include <errno.h>
#include <linux/ncr.h>
#include "ncrypto.h"
#include "ncrypto_internal.h"
int
ncr_masterkey_set(void *key, size_t key_size)
{
struct ncr_master_key_st io;
memset(&io, 0, sizeof(io));
if (!key || !key_size) {
errno = EINVAL;
return -1;
}
io.key = key = key;
io.key_size = key_size;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_MASTER_KEY_SET, &io) < 0)
return -1;
return 0;
}
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