projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| fe8ab488 | 1 | /* |
| cb323159 | 2 | * Copyright (c) 2019 Apple Inc. All rights reserved. |
| fe8ab488 A |
3 | * |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| d9a64523 | 5 | * |
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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. | |
| d9a64523 | 14 | * |
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15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| d9a64523 | 17 | * |
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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. | |
| d9a64523 | 25 | * |
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26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 27 | */ | |
| 28 | ||
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29 | #ifndef _PRNG_RANDOM_H_ |
| 30 | #define _PRNG_RANDOM_H_ | |
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31 | |
| 32 | __BEGIN_DECLS | |
| 33 | ||
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34 | #include <corecrypto/cckprng.h> |
| 35 | ||
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36 | #ifdef XNU_KERNEL_PRIVATE |
| 37 | ||
| cb323159 | 38 | void random_cpu_init(int cpu); |
| fe8ab488 | 39 | |
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40 | #endif /* XNU_KERNEL_PRIVATE */ |
| 41 | ||
| cb323159 | 42 | void register_and_init_prng(struct cckprng_ctx *ctx, const struct cckprng_funcs *funcs); |
| fe8ab488 | 43 | |
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44 | #include <kern/simple_lock.h> |
| 45 | /* Definitions for boolean PRNG */ | |
| 46 | #define RANDOM_BOOL_GEN_SEED_COUNT 4 | |
| 47 | struct bool_gen { | |
| 48 | unsigned int seed[RANDOM_BOOL_GEN_SEED_COUNT]; | |
| 49 | unsigned int state; | |
| cb323159 | 50 | decl_simple_lock_data(, lock); |
| 5c9f4661 A |
51 | }; |
| 52 | ||
| d9a64523 | 53 | extern void random_bool_init(struct bool_gen * bg); |
| 5c9f4661 | 54 | |
| d9a64523 | 55 | extern void random_bool_gen_entropy(struct bool_gen * bg, unsigned int * buffer, int count); |
| 5c9f4661 | 56 | |
| d9a64523 | 57 | extern unsigned int random_bool_gen_bits(struct bool_gen * bg, unsigned int * buffer, unsigned int count, unsigned int numbits); |
| 5c9f4661 | 58 | |
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59 | __END_DECLS |
| 60 | ||
| 61 | #endif /* _PRNG_RANDOM_H_ */ |