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git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blob - include/crypto/internal/rng.h
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * RNG: Random Number Generator algorithms under the crypto API
5 * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
6 * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
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
);