1*ebfedea0SLionel Sambuc /* $NetBSD: common.c,v 1.1.1.1 2011/04/13 18:14:49 elric Exp $ */
2*ebfedea0SLionel Sambuc
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc * Copyright (c) 2010 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc * All rights reserved.
7*ebfedea0SLionel Sambuc *
8*ebfedea0SLionel Sambuc * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
9*ebfedea0SLionel Sambuc *
10*ebfedea0SLionel Sambuc * Redistribution and use in source and binary forms, with or without
11*ebfedea0SLionel Sambuc * modification, are permitted provided that the following conditions
12*ebfedea0SLionel Sambuc * are met:
13*ebfedea0SLionel Sambuc *
14*ebfedea0SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
15*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer.
16*ebfedea0SLionel Sambuc *
17*ebfedea0SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
18*ebfedea0SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
19*ebfedea0SLionel Sambuc * documentation and/or other materials provided with the distribution.
20*ebfedea0SLionel Sambuc *
21*ebfedea0SLionel Sambuc * 3. Neither the name of the Institute nor the names of its contributors
22*ebfedea0SLionel Sambuc * may be used to endorse or promote products derived from this software
23*ebfedea0SLionel Sambuc * without specific prior written permission.
24*ebfedea0SLionel Sambuc *
25*ebfedea0SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26*ebfedea0SLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27*ebfedea0SLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28*ebfedea0SLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29*ebfedea0SLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30*ebfedea0SLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31*ebfedea0SLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32*ebfedea0SLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33*ebfedea0SLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34*ebfedea0SLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35*ebfedea0SLionel Sambuc * SUCH DAMAGE.
36*ebfedea0SLionel Sambuc */
37*ebfedea0SLionel Sambuc
38*ebfedea0SLionel Sambuc #include <config.h>
39*ebfedea0SLionel Sambuc
40*ebfedea0SLionel Sambuc #include <errno.h>
41*ebfedea0SLionel Sambuc
42*ebfedea0SLionel Sambuc #include <stdio.h>
43*ebfedea0SLionel Sambuc #include <stdlib.h>
44*ebfedea0SLionel Sambuc
45*ebfedea0SLionel Sambuc #include <krb5/krb5-types.h>
46*ebfedea0SLionel Sambuc #include <krb5/rfc2459_asn1.h>
47*ebfedea0SLionel Sambuc #include <hcrypto/bn.h>
48*ebfedea0SLionel Sambuc
49*ebfedea0SLionel Sambuc
50*ebfedea0SLionel Sambuc #include "common.h"
51*ebfedea0SLionel Sambuc
52*ebfedea0SLionel Sambuc int
_hc_BN_to_integer(BIGNUM * bn,heim_integer * integer)53*ebfedea0SLionel Sambuc _hc_BN_to_integer(BIGNUM *bn, heim_integer *integer)
54*ebfedea0SLionel Sambuc {
55*ebfedea0SLionel Sambuc integer->length = BN_num_bytes(bn);
56*ebfedea0SLionel Sambuc integer->data = malloc(integer->length);
57*ebfedea0SLionel Sambuc if (integer->data == NULL)
58*ebfedea0SLionel Sambuc return ENOMEM;
59*ebfedea0SLionel Sambuc BN_bn2bin(bn, integer->data);
60*ebfedea0SLionel Sambuc integer->negative = BN_is_negative(bn);
61*ebfedea0SLionel Sambuc return 0;
62*ebfedea0SLionel Sambuc }
63*ebfedea0SLionel Sambuc
64*ebfedea0SLionel Sambuc BIGNUM *
_hc_integer_to_BN(const heim_integer * i,BIGNUM * bn)65*ebfedea0SLionel Sambuc _hc_integer_to_BN(const heim_integer *i, BIGNUM *bn)
66*ebfedea0SLionel Sambuc {
67*ebfedea0SLionel Sambuc bn = BN_bin2bn(i->data, i->length, bn);
68*ebfedea0SLionel Sambuc if (bn)
69*ebfedea0SLionel Sambuc BN_set_negative(bn, i->negative);
70*ebfedea0SLionel Sambuc return bn;
71*ebfedea0SLionel Sambuc }
72