1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 * RNG: Random Number Generator algorithms un 2 * RNG: Random Number Generator algorithms under the crypto API
4 * 3 *
5 * Copyright (c) 2008 Neil Horman <nhorman@tux 4 * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
6 * Copyright (c) 2015 Herbert Xu <herbert@gond !! 5 *
>> 6 * This program is free software; you can redistribute it and/or modify it
>> 7 * under the terms of the GNU General Public License as published by the Free
>> 8 * Software Foundation; either version 2 of the License, or (at your option)
>> 9 * any later version.
>> 10 *
7 */ 11 */
8 12
9 #ifndef _CRYPTO_INTERNAL_RNG_H 13 #ifndef _CRYPTO_INTERNAL_RNG_H
10 #define _CRYPTO_INTERNAL_RNG_H 14 #define _CRYPTO_INTERNAL_RNG_H
11 15
12 #include <crypto/algapi.h> 16 #include <crypto/algapi.h>
13 #include <crypto/rng.h> 17 #include <crypto/rng.h>
14 18
15 int crypto_register_rng(struct rng_alg *alg); !! 19 extern const struct crypto_type crypto_rng_type;
16 void crypto_unregister_rng(struct rng_alg *alg <<
17 int crypto_register_rngs(struct rng_alg *algs, <<
18 void crypto_unregister_rngs(struct rng_alg *al <<
19 <<
20 #if defined(CONFIG_CRYPTO_RNG) || defined(CONF <<
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 20
29 static inline void *crypto_rng_ctx(struct cryp 21 static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
30 { 22 {
31 return crypto_tfm_ctx(&tfm->base); 23 return crypto_tfm_ctx(&tfm->base);
32 } <<
33 <<
34 static inline void crypto_rng_set_entropy(stru <<
35 cons <<
36 { <<
37 crypto_rng_alg(tfm)->set_ent(tfm, data <<
38 } 24 }
39 25
40 #endif 26 #endif
41 27
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