文件加密解密工具，可以将任意文件按照指定的密码进行加密，解密的时候也必须按照加密的密码解密出来，这样就可以防止文件在中途传输过程中被劫持！-File encryption and decryption tool, you can specify the password for any file by encryption, decryption, they also must be an encrypted password to decrypt it, so you can prevent