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TrueCrypt 5.1a

  • TrueCrypt Foundation - 2.52M (Open Source)

Publisher's description

TrueCrypt is a software system for establishing and maintaining an on-the-fly-encrypted drive. On-the-fly encryption means that data are automatically encrypted or decrypted right before they are loaded or saved, without any user intervention. No data stored on an encrypted volume can be read (decrypted) without using the correct password or correct encryption key. Until decrypted, a TrueCrypt volume appears to be nothing more than a series of random numbers. The entire file system is encrypted (i.e., file names, folder names, contents of every file, and free space).

This software is highly recommended for securing data on laptops.

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Technical

File Size: 2.52M
License: Open Source
Released: Mar 17, 2008
Downloads: 1016 (All versions: 3034)
OS Support: Windows 2000/XP/2003/Vista/XP64/Vista64
Plugins: None
Publisher: TrueCrypt Foundation
Homepage:
MD5 Checksum: 0b02b6a8b9437f8968cbe8719722079b

Changelog

Improvements:
* Faster booting when the system partition/drive is encrypted (typically by 10%). (Windows Vista/XP/2008/2003)
* Other minor improvements. (Windows, Mac OS X, and Linux)

Resolved incompatibilities:
* On computers with certain hardware configurations, resuming from hibernation failed when the system partition was encrypted. Note: If you encountered this problem, the content of RAM may have been saved unencrypted to the hibernation file. You can erase such data, for example, by decrypting the system partition/drive (select System > Permanently Decrypt System Partition/Drive) and then encrypting it again. (Windows Vista/XP/2008/2003)

Remark: As Microsoft does not provide any API for handling hibernation, all non-Microsoft developers of disk encryption software are forced to modify undocumented components of Windows in order to allow users to encrypt hibernation files. Therefore, no disk encryption software (except for Microsoft's BitLocker) can guarantee that hibernation files will always be encrypted. At anytime, Microsoft can arbitrarily modify components of Windows (using the Auto Update feature of Windows) that are not publicly documented or accessible via a public API. Any such change, or the use of an untypical or custom storage device driver, may cause any non-Microsoft disk encryption software to fail to encrypt the hibernation file. We plan to file a complaint with Microsoft (and if rejected, with the European Commission) about this issue, also due to the fact that Microsoft's disk encryption software, BitLocker, is not disadvantaged by this.
* Workaround for a bug in the BIOS of some Apple computers that prevented users from entering pre-boot authentication passwords and controlling the TrueCrypt Boot Loader. (Windows Vista/XP/2008/2003)

Bug fixes:
* When the system partition/drive is decrypted under Windows, the original partition table will not be restored. Note: This issue affected users who repartitioned an encrypted system drive and then decrypted it under Windows. (Windows Vista/XP/2008/2003)
* Other minor bug fixes. (Windows, Mac OS X, and Linux)

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TrueCrypt 5.1a