Function rsa_set_crt_params 

pub unsafe extern "C" fn rsa_set_crt_params(
    dP: *const c_uchar,
    dPlen: c_ulong,
    dQ: *const c_uchar,
    dQlen: c_ulong,
    qP: *const c_uchar,
    qPlen: c_ulong,
    key: *mut rsa_key,
) -> c_int