PE Ftp Plus 5.0
the author of this app says:
PE Ftp Explorer is a remote FTP explorer, a fully integrated file explorer and an encryption tool. You can upload/download entire directories or individual files. Configuration options allow you to select proxy server, FTP port number and base path. The software also includes a powerful encryption tool.
This program utilizes Advanced Encryption Standard (AES) and supports 256-bit key size encryption.