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| 2 | |
| 3 | * RNG: Random Number Generator algorithms under the crypto API
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| 4 | *
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| 5 | * Copyright (c) 2008 Neil Horman <[email protected]>
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| 6 | * Copyright (c) 2015 Herbert Xu <[email protected]>
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| 7 |
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| 8 |
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| 9 | #ifndef _CRYPTO_INTERNAL_RNG_H
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| 10 | #define _CRYPTO_INTERNAL_RNG_H
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| 11 |
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| 12 | #include <crypto/algapi.h>
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| 13 | #include <crypto/rng.h>
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| 14 |
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| 15 | int crypto_register_rng(struct rng_alg *alg);
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| 16 | void crypto_unregister_rng(struct rng_alg *alg);
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| 17 | int crypto_register_rngs(struct rng_alg *algs, int count);
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| 18 | void crypto_unregister_rngs(struct rng_alg *algs, int count);
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| 19 |
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| 20 | #if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
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| 21 | int crypto_del_default_rng(void);
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| 22 | #else
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| 23 | static inline int crypto_del_default_rng(void)
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| 24 | {
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| 25 | return 0;
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| 26 | }
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| 27 | #endif
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| 28 |
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| 29 | static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
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| 30 | {
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| 31 | return crypto_tfm_ctx(&tfm->base);
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| 32 | }
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| 33 |
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| 34 | static inline void crypto_rng_set_entropy(struct crypto_rng *tfm,
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| 35 | const u8 *data, unsigned int len)
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| 36 | {
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| 37 | crypto_rng_alg(tfm)->set_ent(tfm, data, len);
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| 38 | }
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| 39 |
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| 40 | #endif
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