46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
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/*
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* RNG: Random Number Generator algorithms under the crypto API
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*
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* Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
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* Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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*/
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#ifndef _CRYPTO_INTERNAL_RNG_H
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#define _CRYPTO_INTERNAL_RNG_H
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#include <crypto/algapi.h>
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#include <crypto/rng.h>
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int crypto_register_rng(struct rng_alg *alg);
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void crypto_unregister_rng(struct rng_alg *alg);
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int crypto_register_rngs(struct rng_alg *algs, int count);
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void crypto_unregister_rngs(struct rng_alg *algs, int count);
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#if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
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int crypto_del_default_rng(void);
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#else
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static inline int crypto_del_default_rng(void)
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{
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return 0;
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}
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#endif
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static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
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{
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return crypto_tfm_ctx(&tfm->base);
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}
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static inline void crypto_rng_set_entropy(struct crypto_rng *tfm,
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const u8 *data, unsigned int len)
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{
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crypto_rng_alg(tfm)->set_ent(tfm, data, len);
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}
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#endif
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