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 |
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 |
50 | random_buf(void *buf, size_t buflen) |
51 | { |
52 | return cc_rand_generate(out: buf, outlen: buflen); |
53 | } |
54 | |
55 | void |
56 | crypto_random_generate( |
57 | crypto_random_ctx_t ctx, |
58 | void *random, |
59 | size_t random_size) |
60 | { |
61 | g_crypto_funcs->random_generate_fn(ctx, random, random_size); |
62 | } |
63 | |
64 | void |
65 | crypto_random_uniform( |
66 | crypto_random_ctx_t ctx, |
67 | uint64_t bound, |
68 | uint64_t *random) |
69 | { |
70 | g_crypto_funcs->random_uniform_fn(ctx, bound, random); |
71 | } |
72 | |
73 | size_t |
74 | crypto_random_kmem_ctx_size(void) |
75 | { |
76 | return g_crypto_funcs->random_kmem_ctx_size_fn(); |
77 | } |
78 | |
79 | void |
80 | crypto_random_kmem_init( |
81 | crypto_random_ctx_t ctx) |
82 | { |
83 | g_crypto_funcs->random_kmem_init_fn(ctx); |
84 | } |
85 | |