USA CRYPT is a smart, powerful and easy-to-use file-encryption tool that works with Advanced Encryption Standard (AES) algorithm - 256bit key.Operation mode: OFB You may use passwords in your own language (Russian, Ukrainian, etc). If you want to encrypt your e-mail you may open Notepad or MS Word type your letter after that save it as a file. Encrypt it, zip it with WinZip (Compressed folder under XP) and attach the file to your message.