TrueCrypt 4.3A

by TrueCrypt Foundation

An application for on-the-fly encryption in a file, partition, or the entire storage device

TrueCrypt is a free, open-source encryption software that allows users to create encrypted virtual drives, containers, and partitions. It supports a variety of encryption algorithms, including AES, Serpent, and Twofish. TrueCrypt also has the ability to hide encrypted volumes within other files or partitions, providing an additional layer of security.