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95 lines
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95 lines
4.5 KiB
Markdown
TrueCrypt, powerful-yet-friendly encryption application
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[TrueCrypt][1] is a free open-source powerful, complex and advanced encryption application that provides a qualitative encryption, while containing user-friendly easily-graspable interface and capabilities.
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Essentially, TrueCrypt all
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ows the user to encrypt files, files then decrypted and enjoyed as regular files, yet, being accessible only via the user's password and non-accessible, fully encrypted for other-than-the-user persons.
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Among its **features**, TrueCrypt comes with:
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- ability to create encrypted folders and to present them as real disks
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- support to encrypt storage devices (like for example, USB sticks) and partitions
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- automatic on-the-fly encryption with gains for security
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- optimized usage of system resources, permitting fast readings of its encrypted data similar in speed to non-encrypted data
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TrueCrypt comes with **on-the-fly** encryption, meaning:
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- data is automatically encrypted before it is saved
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- data is decrypted after it is loaded
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- for example, playing a video clip from an encrypted folder, portion-by-portion decrypts the pieces needed by RAM (and video player) directly in RAM, "TrueCrypt never saves any decrypted data to a disk, it only stores them temporarily in RAM"
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**Creating** an encrypted folder with TrueCrypt is doable by following the below steps:
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- [download][2] TrueCrypt 7.1
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- unpack the archive and type in a terminal (if the archive was unpacked in Downloads)
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> cd Downloads
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> ./truecrypt-7.1a-setup-x64
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(change the file name for 32-bit accordingly)
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- then, follow the clickable steps, action that installs TrueCrypt
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- launch TrueCrypt via the Dash by typing `truecrypt` in the search area
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- create a new to-be-encrypted folder by navigating to `TrueCrypt-->Volumes-->Create New Volume`
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- check `Create an encrypted file container` and hit `Next`
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- check `Standard Truecrypt volume` and hit `Next`
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click on `Select File`, create a new folder/item inside a preferred location (like for example, the item `123` inside the `Music` folder) and hit `Next`
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- hit again `Next` (the AES encryption algorithm is selected by default)
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- choose a size (typing, for example, `100` in the writable field with `MB` next to it, creates an 100MB folder)
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- create a password
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- select a filesystem type (such as `Linux Ext4`)
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- check `I will mount the volume only on Linux` (if that is the case)
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- move vigorously the mouse pointer for several seconds and click on `Format` and enter one's password, action that completes the encrypted-item's creation process
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**Opening** now the just-encrypted folder is to be achieved by launching TrueCrypt, clicking on `Select File`, locating the encrypted item and hitting the bottom-area's `Mount` button, action that mounts/opens the encrypted folder.
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Next, the user is able to act on the encrypted folder similarly to a regular folder, therefore, being able to copy images to it, rename files, open images by double-clicking on them, etc.
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Clicking on the `Dismount` button, dismounts the encrypted location, the result: the location disappears from Nautilus' sidebar, while the file becomes non-accessible when clicking on it.
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via: http://iloveubuntu.net/truecrypt-powerful-yet-friendly-encryption-application
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本文由 [LCTT][] 原创翻译，[Linux中国][] 荣誉推出
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译者：[Mr小眼儿][] 校对：[校对者ID][]
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[LCTT]:https://github.com/LCTT/TranslateProject
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[Linux中国]:http://linux.cn/portal.php
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[译者ID]:http://linux.cn/space/译者ID
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[校对者ID]:http://linux.cn/space/校对者ID
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[1]:http://www.truecrypt.org/
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[2]:http://www.truecrypt.org/downloads
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