Free open-source disk encryption software for Windows Vista/XP/2000 and Linux
- Creates a virtual encrypted disk within a file and mounts it as a real disk.
- Encrypts an entire hard disk partition or a storage device such as USB flash drive.
- Encryption is automatic, real-time (on-the-fly) and transparent.
- Provides two levels of plausible deniability, in case an adversary forces you to reveal the password: 1) Hidden volume (steganography – more information may be found here). 2) No TrueCrypt volume can be identified (volumes cannot be distinguished from random data).
- Encryption algorithms: AES-256, Serpent, and Twofish. Mode of operation: LRW.
- Full compatibility with 32-bit and 64-bit Windows Vista
- TrueCrypt volume is automatically dismounted if its host device is inadvertently removed.
- Important: You should always dismount the volume in TrueCrypt and then use the "Safely Remove Hardware" function (built in Windows) before you physically remove the host device (e.g. a USB flash drive).
- Support for devices and file systems that use a sector size other than 512 bytes (e.g., new hard drives, USB flash drives, DVD-RAM, MP3 players, etc.)
- Support for devices with a GPT partition table (GUID partitions). (Windows Vista/2003/XP)
- After a partition is successfully encrypted, the drive letter assigned to it (if any) is automatically removed. (Windows)
- Volume name (label) is displayed in device/partition selector. (Windows)
- New hotkey: 'Wipe Cache'. (Windows)
- New command line switch '/q background' for launching the TrueCrypt Background Task. (Windows)
- Portions of the TrueCrypt device driver redesigned.
- Maximum allowed size of FAT32 volumes increased to 2 TB (note that NTFS volumes can be larger than 2 TB).
- Traveller Disk Setup improved. (Windows)
- Volumes hosted on read-only media will always be mounted in read-only mode. (Windows)
- Improved support for big-endian platforms.
- The built-in FAT format facility now functions correctly on big-endian platforms.
- Improved handling of partitions and devices during volume creation. (Windows)
- Improved handling of low-memory conditions. (Windows)
- Fixed bug that rarely caused system errors when dismounting all volumes. (Windows)
- Tray icon is recreated when Windows Explorer is restarted (e.g. after a system crash).
- Other minor improvements and bug fixes (Windows and Linux )
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