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27 #ifndef MBEDTLS_HKDF_H
28 #define MBEDTLS_HKDF_H
30 #if !defined(MBEDTLS_CONFIG_FILE)
33 #include MBEDTLS_CONFIG_FILE
42 #define MBEDTLS_ERR_HKDF_BAD_INPUT_DATA -0x5F80
74 size_t salt_len,
const unsigned char *ikm,
size_t ikm_len,
75 const unsigned char *info,
size_t info_len,
76 unsigned char *okm,
size_t okm_len );
103 const unsigned char *salt,
size_t salt_len,
104 const unsigned char *ikm,
size_t ikm_len,
105 unsigned char *prk );
134 size_t prk_len,
const unsigned char *info,
135 size_t info_len,
unsigned char *okm,
size_t okm_len );