1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* 2 /*
3 * RNG: Random Number Generator algorithms un 3 * RNG: Random Number Generator algorithms under the crypto API
4 * 4 *
5 * Copyright (c) 2008 Neil Horman <nhorman@tux 5 * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
6 * Copyright (c) 2015 Herbert Xu <herbert@gond 6 * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
7 */ 7 */
8 8
9 #ifndef _CRYPTO_INTERNAL_RNG_H 9 #ifndef _CRYPTO_INTERNAL_RNG_H
10 #define _CRYPTO_INTERNAL_RNG_H 10 #define _CRYPTO_INTERNAL_RNG_H
11 11
12 #include <crypto/algapi.h> 12 #include <crypto/algapi.h>
13 #include <crypto/rng.h> 13 #include <crypto/rng.h>
14 14
15 int crypto_register_rng(struct rng_alg *alg); 15 int crypto_register_rng(struct rng_alg *alg);
16 void crypto_unregister_rng(struct rng_alg *alg 16 void crypto_unregister_rng(struct rng_alg *alg);
17 int crypto_register_rngs(struct rng_alg *algs, 17 int crypto_register_rngs(struct rng_alg *algs, int count);
18 void crypto_unregister_rngs(struct rng_alg *al 18 void crypto_unregister_rngs(struct rng_alg *algs, int count);
19 19
20 #if defined(CONFIG_CRYPTO_RNG) || defined(CONF 20 #if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
21 int crypto_del_default_rng(void); 21 int crypto_del_default_rng(void);
22 #else 22 #else
23 static inline int crypto_del_default_rng(void) 23 static inline int crypto_del_default_rng(void)
24 { 24 {
25 return 0; 25 return 0;
26 } 26 }
27 #endif 27 #endif
28 28
29 static inline void *crypto_rng_ctx(struct cryp 29 static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
30 { 30 {
31 return crypto_tfm_ctx(&tfm->base); 31 return crypto_tfm_ctx(&tfm->base);
32 } 32 }
33 33
34 static inline void crypto_rng_set_entropy(stru 34 static inline void crypto_rng_set_entropy(struct crypto_rng *tfm,
35 cons 35 const u8 *data, unsigned int len)
36 { 36 {
37 crypto_rng_alg(tfm)->set_ent(tfm, data 37 crypto_rng_alg(tfm)->set_ent(tfm, data, len);
38 } 38 }
39 39
40 #endif 40 #endif
41 41
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