True Crypt

Free open-source disk encryption software for Windows Vista/XP, Mac OSX and Linux that allows you to


- Creates a virtual encrypted disk within a file and mounts it as a real disk.
- Encrypts an entire partition or storage device such as USB flash drive or hard drive.
- Encrypts a partition or drive where Windows is installed ( pre-boot authentication).
- Encryption is automatic, real-time ( on-the-fly) and transparent.
- Provides 2 levels of plausible deniability, in case an adversary forces you to reveal the password:

1) Hidden volume (steganography) and hidden operating system.
2) No TrueCrypt volume can be identified (volume cannot be distinguished from random data).
- Encryption algorithms : AES-256, Serpent and Twofish. Mode of operation:XTS