这是本人在大二时做过的有关（文件传输加密解密代码），有一定的实用性-This is when I did in the second year on (file transfer encryption and decryption code), there are certain practical

基于RSA的小型传输系统，实现较大文件的加密解密及文件传输-RSA-based small transmission system, large files and file transfer encryption and decryption