xref: /openssl/crypto/des/rand_key.c (revision 33388b44)
1 /*
2  * Copyright 1998-2020 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 /*
11  * DES low level APIs are deprecated for public use, but still ok for internal
12  * use.
13  */
14 #include "internal/deprecated.h"
15 
16 #include <openssl/des.h>
17 #include <openssl/rand.h>
18 
DES_random_key(DES_cblock * ret)19 int DES_random_key(DES_cblock *ret)
20 {
21     do {
22         if (RAND_priv_bytes((unsigned char *)ret, sizeof(DES_cblock)) != 1)
23             return 0;
24     } while (DES_is_weak_key(ret));
25     DES_set_odd_parity(ret);
26     return 1;
27 }
28