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35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
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/*
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* Copyright 2020 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "prov/rand_pool.h"
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/* Hardware-based seeding functions. */
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size_t prov_acquire_entropy_from_tsc(RAND_POOL *pool);
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size_t prov_acquire_entropy_from_cpu(RAND_POOL *pool);
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/* DRBG entropy callbacks. */
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size_t prov_drbg_get_additional_data(RAND_POOL *pool, unsigned char **pout);
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void prov_drbg_cleanup_additional_data(RAND_POOL *pool, unsigned char *out);
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size_t prov_pool_acquire_entropy(RAND_POOL *pool);
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int prov_pool_add_nonce_data(RAND_POOL *pool);
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/*
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* Add some platform specific additional data
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*
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* This function is platform specific and adds some random noise to the
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* additional data used for generating random bytes and for reseeding
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* the drbg.
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*
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* Returns 1 on success and 0 on failure.
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*/
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int rand_pool_add_additional_data(RAND_POOL *pool);
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