29 lines
851 B
C
29 lines
851 B
C
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// SPDX-License-Identifier: Apache-2.0
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#ifndef rng_h
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#define rng_h
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/**
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* Randombytes initialization.
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* Initialization may be needed for some random number generators (e.g. CTR-DRBG).
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*
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* @param[in] entropy_input 48 bytes entropy input
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* @param[in] personalization_string Personalization string
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* @param[in] security_strength Security string
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*/
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void randombytes_init(unsigned char *entropy_input,
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unsigned char *personalization_string,
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int security_strength);
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/**
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* Random byte generation.
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* The caller is responsible to allocate sufficient memory to hold x.
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*
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* @param[out] x Memory to hold the random bytes.
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* @param[in] xlen Number of random bytes to be generated
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* @return int 0 on success, -1 otherwise
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*/
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int randombytes(unsigned char *x, unsigned long long xlen);
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#endif /* rng_h */
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