1*0f4c859eSApple OSS Distributions /*
2*0f4c859eSApple OSS Distributions * Copyright (c) 2016 Apple Computer, Inc. All rights reserved.
3*0f4c859eSApple OSS Distributions *
4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*0f4c859eSApple OSS Distributions *
6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*0f4c859eSApple OSS Distributions *
15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at
16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*0f4c859eSApple OSS Distributions *
18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are
19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and
24*0f4c859eSApple OSS Distributions * limitations under the License.
25*0f4c859eSApple OSS Distributions *
26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*0f4c859eSApple OSS Distributions */
28*0f4c859eSApple OSS Distributions
29*0f4c859eSApple OSS Distributions #include <libkern/crypto/crypto_internal.h>
30*0f4c859eSApple OSS Distributions #include <corecrypto/ccrng.h>
31*0f4c859eSApple OSS Distributions #include <libkern/crypto/rand.h>
32*0f4c859eSApple OSS Distributions
33*0f4c859eSApple OSS Distributions int
cc_rand_generate(void * out,size_t outlen)34*0f4c859eSApple OSS Distributions cc_rand_generate(void *out, size_t outlen)
35*0f4c859eSApple OSS Distributions {
36*0f4c859eSApple OSS Distributions struct ccrng_state *rng_state = NULL;
37*0f4c859eSApple OSS Distributions int error = -1;
38*0f4c859eSApple OSS Distributions
39*0f4c859eSApple OSS Distributions if (g_crypto_funcs) {
40*0f4c859eSApple OSS Distributions rng_state = g_crypto_funcs->ccrng_fn(&error);
41*0f4c859eSApple OSS Distributions if (rng_state != NULL) {
42*0f4c859eSApple OSS Distributions error = ccrng_generate(rng_state, outlen, out);
43*0f4c859eSApple OSS Distributions }
44*0f4c859eSApple OSS Distributions }
45*0f4c859eSApple OSS Distributions
46*0f4c859eSApple OSS Distributions return error;
47*0f4c859eSApple OSS Distributions }
48*0f4c859eSApple OSS Distributions
49*0f4c859eSApple OSS Distributions int
random_buf(void * buf,size_t buflen)50*0f4c859eSApple OSS Distributions random_buf(void *buf, size_t buflen)
51*0f4c859eSApple OSS Distributions {
52*0f4c859eSApple OSS Distributions return cc_rand_generate(buf, buflen);
53*0f4c859eSApple OSS Distributions }
54*0f4c859eSApple OSS Distributions
55*0f4c859eSApple OSS Distributions void
crypto_random_generate(crypto_random_ctx_t ctx,void * random,size_t random_size)56*0f4c859eSApple OSS Distributions crypto_random_generate(
57*0f4c859eSApple OSS Distributions crypto_random_ctx_t ctx,
58*0f4c859eSApple OSS Distributions void *random,
59*0f4c859eSApple OSS Distributions size_t random_size)
60*0f4c859eSApple OSS Distributions {
61*0f4c859eSApple OSS Distributions g_crypto_funcs->random_generate_fn(ctx, random, random_size);
62*0f4c859eSApple OSS Distributions }
63*0f4c859eSApple OSS Distributions
64*0f4c859eSApple OSS Distributions void
crypto_random_uniform(crypto_random_ctx_t ctx,uint64_t bound,uint64_t * random)65*0f4c859eSApple OSS Distributions crypto_random_uniform(
66*0f4c859eSApple OSS Distributions crypto_random_ctx_t ctx,
67*0f4c859eSApple OSS Distributions uint64_t bound,
68*0f4c859eSApple OSS Distributions uint64_t *random)
69*0f4c859eSApple OSS Distributions {
70*0f4c859eSApple OSS Distributions g_crypto_funcs->random_uniform_fn(ctx, bound, random);
71*0f4c859eSApple OSS Distributions }
72*0f4c859eSApple OSS Distributions
73*0f4c859eSApple OSS Distributions size_t
crypto_random_kmem_ctx_size(void)74*0f4c859eSApple OSS Distributions crypto_random_kmem_ctx_size(void)
75*0f4c859eSApple OSS Distributions {
76*0f4c859eSApple OSS Distributions return g_crypto_funcs->random_kmem_ctx_size_fn();
77*0f4c859eSApple OSS Distributions }
78*0f4c859eSApple OSS Distributions
79*0f4c859eSApple OSS Distributions void
crypto_random_kmem_init(crypto_random_ctx_t ctx)80*0f4c859eSApple OSS Distributions crypto_random_kmem_init(
81*0f4c859eSApple OSS Distributions crypto_random_ctx_t ctx)
82*0f4c859eSApple OSS Distributions {
83*0f4c859eSApple OSS Distributions g_crypto_funcs->random_kmem_init_fn(ctx);
84*0f4c859eSApple OSS Distributions }
85