1 /*
2 * Copyright (c) 2016 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29 #include <libkern/crypto/crypto_internal.h>
30 #include <corecrypto/ccrng.h>
31 #include <libkern/crypto/rand.h>
32
33 int
cc_rand_generate(void * out,size_t outlen)34 cc_rand_generate(void *out, size_t outlen)
35 {
36 struct ccrng_state *rng_state = NULL;
37 int error = -1;
38
39 if (g_crypto_funcs) {
40 rng_state = g_crypto_funcs->ccrng_fn(&error);
41 if (rng_state != NULL) {
42 error = ccrng_generate(rng_state, outlen, out);
43 }
44 }
45
46 return error;
47 }
48
49 int
random_buf(void * buf,size_t buflen)50 random_buf(void *buf, size_t buflen)
51 {
52 return cc_rand_generate(buf, buflen);
53 }
54