hkdf.h (693B)
1 2 #ifndef CCAN_CRYPTO_HKDF_SHA256_H 3 #define CCAN_CRYPTO_HKDF_SHA256_H 4 /* BSD-MIT - see LICENSE file for details */ 5 #include <stdlib.h> 6 7 /** 8 * hkdf_sha256 - generate a derived key 9 * @okm: where to output the key 10 * @okm_size: the number of bytes pointed to by @okm (must be less than 255*32) 11 * @s: salt 12 * @ssize: the number of bytes pointed to by @s 13 * @k: pointer to input key 14 * @ksize: the number of bytes pointed to by @k 15 * @info: pointer to info 16 * @isize: the number of bytes pointed to by @info 17 */ 18 void hkdf_sha256(void *okm, size_t okm_size, 19 const void *s, size_t ssize, 20 const void *k, size_t ksize, 21 const void *info, size_t isize); 22 #endif /* CCAN_CRYPTO_HKDF_SHA256_H */