/*
* Copyright (c) 2016 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <libkern/crypto/crypto_internal.h>
#include <corecrypto/ccrng.h>
#include <libkern/crypto/rand.h>
int
cc_rand_generate(void *out, size_t outlen)
{
struct ccrng_state *rng_state = NULL;
int error = -1;
if (g_crypto_funcs) {
rng_state = g_crypto_funcs->ccrng_fn(&error);
if (rng_state != NULL) {
error = ccrng_generate(rng_state, outlen, out);
}
}
return error;
}
int
random_buf(void *buf, size_t buflen)
{
return cc_rand_generate(buf, buflen);
}
void
crypto_random_generate(
crypto_random_ctx_t ctx,
void *random,
size_t random_size)
{
g_crypto_funcs->random_generate_fn(ctx, random, random_size);
}
void
crypto_random_uniform(
crypto_random_ctx_t ctx,
uint64_t bound,
uint64_t *random)
{
g_crypto_funcs->random_uniform_fn(ctx, bound, random);
}
size_t
crypto_random_kmem_ctx_size(void)
{
return g_crypto_funcs->random_kmem_ctx_size_fn();
}
void
crypto_random_kmem_init(
crypto_random_ctx_t ctx)
{
g_crypto_funcs->random_kmem_init_fn(ctx);
}