Function libthemis_sys::themis_get_asym_key_kind

pub unsafe extern "C" fn themis_get_asym_key_kind(
    key: *const u8, 
    length: usize
) -> themis_key_kind_t

@brief get Themis key kind @param [in] key key buffer @param [in] length length of key @return corresponding key kind if the buffer contains a key, or THEMIS_KEY_INVALID otherwise