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Commit | Line | Data |
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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
17f0f4a4 NH |
2 | /* |
3 | * RNG: Random Number Generator algorithms under the crypto API | |
4 | * | |
5 | * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com> | |
94f1bb15 | 6 | * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au> |
17f0f4a4 NH |
7 | */ |
8 | ||
9 | #ifndef _CRYPTO_INTERNAL_RNG_H | |
10 | #define _CRYPTO_INTERNAL_RNG_H | |
11 | ||
12 | #include <crypto/algapi.h> | |
13 | #include <crypto/rng.h> | |
14 | ||
acec27ff HX |
15 | int crypto_register_rng(struct rng_alg *alg); |
16 | void crypto_unregister_rng(struct rng_alg *alg); | |
881cd6c5 HX |
17 | int crypto_register_rngs(struct rng_alg *algs, int count); |
18 | void crypto_unregister_rngs(struct rng_alg *algs, int count); | |
acec27ff | 19 | |
7cecadb7 HX |
20 | #if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE) |
21 | int crypto_del_default_rng(void); | |
22 | #else | |
23 | static inline int crypto_del_default_rng(void) | |
24 | { | |
25 | return 0; | |
26 | } | |
27 | #endif | |
28 | ||
17f0f4a4 NH |
29 | static inline void *crypto_rng_ctx(struct crypto_rng *tfm) |
30 | { | |
31 | return crypto_tfm_ctx(&tfm->base); | |
32 | } | |
33 | ||
7ca99d81 HX |
34 | static inline void crypto_rng_set_entropy(struct crypto_rng *tfm, |
35 | const u8 *data, unsigned int len) | |
36 | { | |
37 | crypto_rng_alg(tfm)->set_ent(tfm, data, len); | |
38 | } | |
39 | ||
17f0f4a4 | 40 | #endif |