文件夹传输，加密解密，协议设计，CS设计-File (directory) transport, encrypt and decrypt, protocols design, CS design

主要功能： 快速加解密,安全解加密,移动加解密,伪装/还原文件夹,隐藏/恢复文件夹等。(Main function: Fast encryption and decryption, secure encryption, mobile encryption and decryption, camouflage / restore folders, hide / restore folders, etc..)