使用简单置换法对明文进行加密，密钥是（3,1,2,4）,明文是a member of the Political Bureau of the Communist Party of China Central Committee and director of the Office of the Foreign Affairs Commission of the CPC Central Committee, talks with United States，密文是______。答案: eammrbeohftelpoictiaulbrueaohftemcomiunsatprotyfichneacnatrlmcomtiteneadrdieoctrtofhfeofeicohfterfoenigaafficrsoimmsosintofhpeccncetlracmomietteltakiswtnhuidtesttaezszz