cryb-to/lib/oath/cryb_oath_key_dummy.c
2018-04-26 22:00:21 +02:00

60 lines
2.1 KiB
C

/*-
* Copyright (c) 2013 The University of Oslo
* Copyright (c) 2018 Dag-Erling Smørgrav
* 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.
*/
#include "cryb/impl.h"
#include <inttypes.h>
#include <string.h>
#include <cryb/oath.h>
#include <cryb/strlcpy.h>
/*
* Initialize an OATH key with dummy parameters.
*/
int
oath_key_dummy(oath_key *ok, oath_mode mode, oath_hash hash,
unsigned int digits)
{
memset(ok, 0, sizeof *ok);
ok->dummy = 1;
ok->mode = mode;
ok->hash = hash;
ok->digits = digits;
ok->timestep = 30;
ok->labellen =
strlcpy(ok->issuer, OATH_DUMMY_LABEL, sizeof ok->label);
ok->issuerlen =
strlcpy(ok->issuer, OATH_DUMMY_ISSUER, sizeof ok->issuer);
ok->keylen = sizeof ok->key;
memset(ok->key, 0xff, ok->keylen);
return (0);
}