Very large (tested for more than 2048 bits) prime number generator and tester program. This is well written and based on solid algorithms in this field. Source code is my own, used for Masters course in Cryptography. Program has easily readable and

一次一密加密算法加解密实（26个英文字符，限长） -A secret encryption and decryption of a solid (26 English characters, limited to long)

加密文本框中的内容，采用的是固态加密。程序可以修改成动态加密方式-Encrypted in the text box, using the solid-state encryption. Program can be modified into a dynamic encryption