1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * RNG: Random Number Generator algorithms under the crypto API
9 #ifndef _CRYPTO_INTERNAL_RNG_H
10 #define _CRYPTO_INTERNAL_RNG_H
12 #include <crypto/algapi.h>
13 #include <crypto/rng.h>
15 int crypto_register_rng(struct rng_alg *alg);
16 void crypto_unregister_rng(struct rng_alg *alg);
17 int crypto_register_rngs(struct rng_alg *algs, int count);
18 void crypto_unregister_rngs(struct rng_alg *algs, int count);
20 #if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
21 int crypto_del_default_rng(void);
23 static inline int crypto_del_default_rng(void)
29 static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
31 return crypto_tfm_ctx(&tfm->base);
34 static inline void crypto_rng_set_entropy(struct crypto_rng *tfm,
35 const u8 *data, unsigned int len)
37 crypto_rng_alg(tfm)->set_ent(tfm, data, len);