projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 |