1 |
|
|
/* $OpenBSD: rand_key.c,v 1.8 2014/10/22 13:02:04 jsing Exp $ */ |
2 |
|
|
/* ==================================================================== |
3 |
|
|
* Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. |
4 |
|
|
* |
5 |
|
|
* Redistribution and use in source and binary forms, with or without |
6 |
|
|
* modification, are permitted provided that the following conditions |
7 |
|
|
* are met: |
8 |
|
|
* |
9 |
|
|
* 1. Redistributions of source code must retain the above copyright |
10 |
|
|
* notice, this list of conditions and the following disclaimer. |
11 |
|
|
* |
12 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
13 |
|
|
* notice, this list of conditions and the following disclaimer in |
14 |
|
|
* the documentation and/or other materials provided with the |
15 |
|
|
* distribution. |
16 |
|
|
* |
17 |
|
|
* 3. All advertising materials mentioning features or use of this |
18 |
|
|
* software must display the following acknowledgment: |
19 |
|
|
* "This product includes software developed by the OpenSSL Project |
20 |
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
21 |
|
|
* |
22 |
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
23 |
|
|
* endorse or promote products derived from this software without |
24 |
|
|
* prior written permission. For written permission, please contact |
25 |
|
|
* openssl-core@openssl.org. |
26 |
|
|
* |
27 |
|
|
* 5. Products derived from this software may not be called "OpenSSL" |
28 |
|
|
* nor may "OpenSSL" appear in their names without prior written |
29 |
|
|
* permission of the OpenSSL Project. |
30 |
|
|
* |
31 |
|
|
* 6. Redistributions of any form whatsoever must retain the following |
32 |
|
|
* acknowledgment: |
33 |
|
|
* "This product includes software developed by the OpenSSL Project |
34 |
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
35 |
|
|
* |
36 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
37 |
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
38 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
39 |
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
40 |
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
41 |
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
42 |
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
43 |
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
44 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
45 |
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
46 |
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
47 |
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE. |
48 |
|
|
* ==================================================================== |
49 |
|
|
* |
50 |
|
|
* This product includes cryptographic software written by Eric Young |
51 |
|
|
* (eay@cryptsoft.com). This product includes software written by Tim |
52 |
|
|
* Hudson (tjh@cryptsoft.com). |
53 |
|
|
* |
54 |
|
|
*/ |
55 |
|
|
|
56 |
|
|
#include <stdlib.h> |
57 |
|
|
|
58 |
|
|
#include <openssl/des.h> |
59 |
|
|
|
60 |
|
|
int |
61 |
|
|
DES_random_key(DES_cblock *ret) |
62 |
|
|
{ |
63 |
|
|
do { |
64 |
|
|
arc4random_buf(ret, sizeof(DES_cblock)); |
65 |
|
|
DES_set_odd_parity(ret); |
66 |
|
|
} while (DES_is_weak_key(ret)); |
67 |
|
|
return (1); |
68 |
|
|
} |