1. One man types while another records the enciphered or deciphered letters. 一个人在输入同时另一个人记录加密或解密后的字母。
2. Later, using amplitude-based double-random-phase transform, the enciphered gray scale figure is formed . 对该图形进行振幅型双随机相位加密变换,得到原信息的加密灰度图;
3. By using S-rough sets of attributes particle characteristics, the information was enciphered and its reasonability was verified. 运用s -粗集的属性颗粒特征对信息进行加密,并验证了它的合理性,从而达到信息的保密性,成为一种更为有效的加密方法。