FreeCryptDisk is creates a virtual encrypted hard drive. You type a password once, and after that everything on the encrypted drive is automatically encrypted on the fly. FreeCryptDisk is especially designed for use in portable media such as USB flash drives; the entire software fits in 2 tiny files and can run on any computer. The encrypted drive is stored as a file on some other drive, so you can copy it, back it up, or transfer it like any other file. Details The AES 128-bit encryption algorithm has been approved by the US National Insitute of Standards and Technology (NIST) for Secret Classified Documents. FreeCryptDisk is built on open-source technology, so anyone can read its source code to verify that it is clean and accurate. FreeCryptDisk is compatible with the Linux utility aes-loop. Download: Version 1.01: (7/2005) Executable (105k), Source Code (86k)