2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
41 lines
1,021 B
C
41 lines
1,021 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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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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#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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