23 lines
693 B
C
23 lines
693 B
C
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#ifndef CCAN_CRYPTO_HKDF_SHA256_H
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#define CCAN_CRYPTO_HKDF_SHA256_H
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/* BSD-MIT - see LICENSE file for details */
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#include <stdlib.h>
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/**
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* hkdf_sha256 - generate a derived key
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* @okm: where to output the key
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* @okm_size: the number of bytes pointed to by @okm (must be less than 255*32)
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* @s: salt
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* @ssize: the number of bytes pointed to by @s
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* @k: pointer to input key
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* @ksize: the number of bytes pointed to by @k
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* @info: pointer to info
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* @isize: the number of bytes pointed to by @info
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*/
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void hkdf_sha256(void *okm, size_t okm_size,
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const void *s, size_t ssize,
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const void *k, size_t ksize,
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const void *info, size_t isize);
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#endif /* CCAN_CRYPTO_HKDF_SHA256_H */
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