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TrueCrypt is a discontinued source-available freeware utility used for on-the-fly encryption (OTFE). It can create a virtual encrypted disk within a file, or encrypt a partition or the whole storage device (pre-boot authentication). On 28 May 2014, the TrueCrypt website announced that the project was no longer maintained and recommended users find alternative solutions. Though development of TrueCrypt has ceased, an independent audit of TrueCrypt (published in March 2015) has concluded that no significant flaws are present. Two projects forked from TrueCrypt: VeraCrypt (active) and CipherShed (abandoned). TrueCrypt release history TrueCrypt was initially released as version 1.0 in February 2004, based on E4M (Encryption for the Masses). Several versions and many additional minor releases have been made since then, with the most current version being 7.1a. Original release of TrueCrypt was made by anonymous developers called "the TrueCrypt Team". Shortly after version 1.0 was released in 2004, the TrueCrypt Team reported receiving email from Wilfried Hafner, manager of SecurStar, a computer security company. According to the TrueCrypt Team, Hafner claimed in the email that the acknowledged author of E4M, developer Paul Le Roux, had stolen the source code from SecurStar as an employee. It was further stated that Le Roux illegally distributed E4M, and authored an illegal license permitting anyone to base derivative work on the code and distribute it freely. Hafner alleges all versions of E4M always belonged only to SecurStar, and Le Roux did not have any right to release it under such a license. This led the TrueCrypt Team to immediately stop developing and distributing TrueCrypt, which they announced online through usenet. TrueCrypt Team member David Tesařík stated that Le Roux informed the team that there was a legal dispute between himself and SecurStar, and that he received legal advisement not to comment on any issues of the case.

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Related concepts (9)

VeraCrypt

VeraCrypt is a free and open-source utility for on-the-fly encryption (OTFE). The software can create a virtual encrypted disk that works just like a regular disk but within a file. It can also encrypt a partition or (in Windows) the entire storage device with pre-boot authentication. VeraCrypt is a fork of the discontinued TrueCrypt project. It was initially released on 22 June 2013. Many security improvements have been implemented and concerns within the TrueCrypt code audits have been addressed.

FileVault

FileVault is a disk encryption program in Mac OS X 10.3 Panther (2003) and later. It performs on-the-fly encryption with volumes on Mac computers. FileVault was introduced with Mac OS X 10.3 Panther, and could only be applied to a user's home directory, not the startup volume. The operating system uses an encrypted (a large single file) to present a volume for the home directory. Mac OS X 10.5 Leopard and Mac OS X 10.6 Snow Leopard use more modern which spread the data over 8 MB files (called bands) within a bundle.

Disk encryption software

Disk encryption software is computer security software that protects the confidentiality of data stored on computer media (e.g., a hard disk, floppy disk, or USB device) by using disk encryption. Compared to access controls commonly enforced by an operating system (OS), encryption passively protects data confidentiality even when the OS is not active, for example, if data is read directly from the hardware or by a different OS. In addition crypto-shredding suppresses the need to erase the data at the end of the disk's lifecycle.