Short description of Folder Crypt 3.4.1020: With Folder Crypt you can password protect any Windows file or folder using low level encryption and standard algorithms, such as DES, Rijndael and Blowfish with keys up to 2048 bits. The program performs a true bit per bit encryption of your data. Original files and folders may be shredded. The encryption process is not reversible. Easy to use with its improved shell integration. Full international characters support.