1 /* $NetBSD: common.c,v 1.2 2017/01/28 21:31:47 christos Exp $ */
2
3 /*
4 * Copyright (c) 2010 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * 3. Neither the name of the Institute nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 #include <config.h>
39 #include <krb5/roken.h>
40
41 #include <krb5/krb5-types.h>
42 #include <krb5/rfc2459_asn1.h>
43 #include <hcrypto/bn.h>
44
45
46 #include "common.h"
47
48 int
_hc_BN_to_integer(BIGNUM * bn,heim_integer * integer)49 _hc_BN_to_integer(BIGNUM *bn, heim_integer *integer)
50 {
51 integer->length = BN_num_bytes(bn);
52 integer->data = malloc(integer->length);
53 if (integer->data == NULL)
54 return ENOMEM;
55 BN_bn2bin(bn, integer->data);
56 integer->negative = BN_is_negative(bn);
57 return 0;
58 }
59
60 BIGNUM *
_hc_integer_to_BN(const heim_integer * i,BIGNUM * bn)61 _hc_integer_to_BN(const heim_integer *i, BIGNUM *bn)
62 {
63 bn = BN_bin2bn(i->data, i->length, bn);
64 if (bn)
65 BN_set_negative(bn, i->negative);
66 return bn;
67 }
68