Type Definition esp_idf_bindgen::esp_hmac_md5_t

type esp_hmac_md5_t = Option<unsafe extern "C" fn(key: *const c_uchar, key_len: c_uint, data: *const c_uchar, data_len: c_uint, mac: *mut c_uchar) -> c_int>;

@brief HMAC-MD5 over data buffer (RFC 2104)'

@key: Key for HMAC operations @key_len: Length of the key in bytes @data: Pointers to the data area @data_len: Length of the data area @mac: Buffer for the hash (16 bytes) Returns: 0 on success, -1 on failure