pub unsafe extern "C" fn nettle_rsa_decrypt_tr(
    pub_: *const rsa_public_key,
    key: *const rsa_private_key,
    random_ctx: *mut c_void,
    random: nettle_random_func,
    length: *mut usize,
    message: *mut u8,
    gibberish: *mut __mpz_struct
) -> c_int