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Commit | Line | Data |
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17f0f4a4 NH |
1 | /* |
2 | * RNG: Random Number Generator algorithms under the crypto API | |
3 | * | |
4 | * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com> | |
94f1bb15 | 5 | * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au> |
17f0f4a4 NH |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the Free | |
9 | * Software Foundation; either version 2 of the License, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | */ | |
13 | ||
14 | #ifndef _CRYPTO_INTERNAL_RNG_H | |
15 | #define _CRYPTO_INTERNAL_RNG_H | |
16 | ||
17 | #include <crypto/algapi.h> | |
18 | #include <crypto/rng.h> | |
19 | ||
acec27ff HX |
20 | int crypto_register_rng(struct rng_alg *alg); |
21 | void crypto_unregister_rng(struct rng_alg *alg); | |
881cd6c5 HX |
22 | int crypto_register_rngs(struct rng_alg *algs, int count); |
23 | void crypto_unregister_rngs(struct rng_alg *algs, int count); | |
acec27ff | 24 | |
7cecadb7 HX |
25 | #if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE) |
26 | int crypto_del_default_rng(void); | |
27 | #else | |
28 | static inline int crypto_del_default_rng(void) | |
29 | { | |
30 | return 0; | |
31 | } | |
32 | #endif | |
33 | ||
17f0f4a4 NH |
34 | static inline void *crypto_rng_ctx(struct crypto_rng *tfm) |
35 | { | |
36 | return crypto_tfm_ctx(&tfm->base); | |
37 | } | |
38 | ||
7ca99d81 HX |
39 | static inline void crypto_rng_set_entropy(struct crypto_rng *tfm, |
40 | const u8 *data, unsigned int len) | |
41 | { | |
42 | crypto_rng_alg(tfm)->set_ent(tfm, data, len); | |
43 | } | |
44 | ||
17f0f4a4 | 45 | #endif |