伪随机数加密 对各类文件加密，利用一个随机序列与磁盘文件中的内容进行运算，将结果存入文件。解码时，则进行逆越算。该C程序已经经过调试-Pseudo-random number encrypted on the various types of file encryption, using a random sequence with the contents of the disk file operation will resul