31 lines
1.2 KiB
C
31 lines
1.2 KiB
C
/*
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* Copyright 2020-2021 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/provider_ctx.h"
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#include "crypto/rand_pool.h"
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/* Hardware-based seeding functions. */
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size_t ossl_prov_acquire_entropy_from_tsc(RAND_POOL *pool);
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size_t ossl_prov_acquire_entropy_from_cpu(RAND_POOL *pool);
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/*
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* External seeding functions from the core dispatch table.
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*/
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int ossl_prov_seeding_from_dispatch(const OSSL_DISPATCH *fns);
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size_t ossl_prov_get_entropy(PROV_CTX *prov_ctx, unsigned char **pout,
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int entropy, size_t min_len, size_t max_len);
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void ossl_prov_cleanup_entropy(PROV_CTX *prov_ctx, unsigned char *buf,
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size_t len);
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size_t ossl_prov_get_nonce(PROV_CTX *prov_ctx, unsigned char **pout,
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size_t min_len, size_t max_len,
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const void *salt, size_t salt_len);
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void ossl_prov_cleanup_nonce(PROV_CTX *prov_ctx, unsigned char *buf,
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size_t len);
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