2014-07-04 11:18:53 +00:00
|
|
|
/*-
|
2014-07-10 17:15:54 +00:00
|
|
|
* Copyright (c) 2013 The University of Oslo
|
2014-07-04 11:18:53 +00:00
|
|
|
* 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. The name of the author may not be used to endorse or promote
|
|
|
|
|
* products derived from this software without specific prior written
|
|
|
|
|
* permission.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
|
|
|
|
*
|
|
|
|
|
* Author: Dag-Erling Smørgrav <des@des.no>
|
|
|
|
|
* Sponsor: the University of Oslo
|
|
|
|
|
*
|
2014-07-04 11:20:46 +00:00
|
|
|
* $Cryb$
|
2014-07-04 11:18:53 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include "cryb/impl.h"
|
|
|
|
|
|
|
|
|
|
#include <sys/mman.h>
|
|
|
|
|
|
|
|
|
|
#include <stdint.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
|
|
#include <cryb/oath.h>
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* OATH
|
|
|
|
|
*
|
|
|
|
|
* Wipes and frees an OATH key structure
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
oath_key_free(struct oath_key *key)
|
|
|
|
|
{
|
|
|
|
|
int mapped, locked;
|
|
|
|
|
|
|
|
|
|
if (key != NULL) {
|
|
|
|
|
mapped = key->mapped;
|
|
|
|
|
locked = key->locked;
|
|
|
|
|
memset(key, 0, sizeof *key);
|
|
|
|
|
if (mapped) {
|
|
|
|
|
if (locked)
|
|
|
|
|
munlock(key, sizeof *key);
|
|
|
|
|
munmap(key, sizeof *key);
|
|
|
|
|
} else {
|
|
|
|
|
free(key);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* The =oath_key_free function wipes and frees an OATH key structure which
|
|
|
|
|
* was previously allocated using the =oath_key_alloc function.
|
|
|
|
|
*
|
|
|
|
|
* >oath_key_alloc
|
|
|
|
|
*
|
|
|
|
|
* AUTHOR UIO
|
|
|
|
|
*/
|
