1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * RNG: Random Number Generator  algorithms under the crypto API
 4 *
 5 * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
 6 * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
 
 
 
 
 
 
 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
15int crypto_register_rng(struct rng_alg *alg);
16void crypto_unregister_rng(struct rng_alg *alg);
17int crypto_register_rngs(struct rng_alg *algs, int count);
18void crypto_unregister_rngs(struct rng_alg *algs, int count);
19
20#if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
21int crypto_del_default_rng(void);
22#else
23static inline int crypto_del_default_rng(void)
24{
25	return 0;
26}
27#endif
28
29static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
30{
31	return crypto_tfm_ctx(&tfm->base);
32}
33
34static 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
40#endif

 
 1/*
 2 * RNG: Random Number Generator  algorithms under the crypto API
 3 *
 4 * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
 5 * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
 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
20int crypto_register_rng(struct rng_alg *alg);
21void crypto_unregister_rng(struct rng_alg *alg);
22int crypto_register_rngs(struct rng_alg *algs, int count);
23void crypto_unregister_rngs(struct rng_alg *algs, int count);
24
25#if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
26int crypto_del_default_rng(void);
27#else
28static inline int crypto_del_default_rng(void)
29{
30	return 0;
31}
32#endif
33
34static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
35{
36	return crypto_tfm_ctx(&tfm->base);
37}
38
39static 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
45#endif