mirror of
https://github.com/veracrypt/VeraCrypt
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65 lines
5.0 KiB
HTML
65 lines
5.0 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<title>VeraCrypt - Free Open source disk encryption with strong security for the Paranoid</title>
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<meta name="description" content="VeraCrypt is free open-source disk encryption software for Windows, Mac OS X and Linux. In case an attacker forces you to reveal the password, VeraCrypt provides plausible deniability. In contrast to file encryption, data encryption performed by VeraCrypt is real-time (on-the-fly), automatic, transparent, needs very little memory, and does not involve temporary unencrypted files."/>
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<meta name="keywords" content="encryption, security"/>
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<link href="styles.css" rel="stylesheet" type="text/css" />
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</head>
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<body>
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<div>
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<a href="https://www.veracrypt.fr/en/Home.html"><img src="VeraCrypt128x128.png" alt="VeraCrypt"/></a>
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</div>
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<div id="menu">
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<ul>
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<li><a href="Home.html">Home</a></li>
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<li><a href="/code/">Source Code</a></li>
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<li><a href="Downloads.html">Downloads</a></li>
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<li><a class="active" href="Documentation.html">Documentation</a></li>
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<li><a href="Donation.html">Donate</a></li>
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<li><a href="https://sourceforge.net/p/veracrypt/discussion/" target="_blank">Forums</a></li>
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</ul>
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</div>
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<div>
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<p>
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<a href="Documentation.html">Documentation</a>
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<img src="arrow_right.gif" alt=">>" style="margin-top: 5px">
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<a href="Security%20Requirements%20and%20Precautions.html">Security Requirements and Precautions</a>
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<img src="arrow_right.gif" alt=">>" style="margin-top: 5px">
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<a href="Data%20Leaks.html">Data Leaks</a>
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<img src="arrow_right.gif" alt=">>" style="margin-top: 5px">
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<a href="Memory%20Dump%20Files.html">Memory Dump Files</a>
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</p></div>
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<div class="wikidoc">
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<h1>Memory Dump Files</h1>
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<div style="text-align:left; margin-top:19px; margin-bottom:19px; padding-top:0px; padding-bottom:0px">
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<em style="text-align:left">Note: The issue described below does <strong style="text-align:left">
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not</strong> affect you if the system partition or system drive is encrypted (for more information, see the chapter
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<a href="System%20Encryption.html" style="text-align:left; color:#0080c0; text-decoration:none.html">
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System Encryption</a>) and if the system is configured to write memory dump files to the system drive (which it typically is, by default).</em></div>
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<div style="text-align:left; margin-top:19px; margin-bottom:19px; padding-top:0px; padding-bottom:0px">
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Most operating systems, including Windows, can be configured to write debugging information and contents of the system memory to so-called memory dump files (also called crash dump files) when an error occurs (system crash, "blue screen," bug check). Therefore,
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memory dump files may contain sensitive data. VeraCrypt <em style="text-align:left">
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cannot</em> prevent cached passwords, encryption keys, and the contents of sensitive files opened in RAM from being saved
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<em style="text-align:left">unencrypted</em> to memory dump files. Note that when you open a file stored on a VeraCrypt volume, for example, in a text editor, then the content of the file is stored
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<em style="text-align:left">unencrypted</em> in RAM (and it may remain <em style="text-align:left">
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unencrypted </em>in RAM until the computer is turned off). Also note that when a VeraCrypt volume is mounted, its master key is stored
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<em style="text-align:left">unencrypted</em> in RAM. Therefore, you must disable memory dump file generation on your computer at least for each session during which you work with any sensitive data and during which you mount a VeraCrypt volume. To do so in
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Windows XP or later, right-click the '<em style="text-align:left">Computer</em>' (or '<em style="text-align:left">My Computer</em>') icon on the desktop or in the
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<em style="text-align:left">Start Menu</em>, and then select <em style="text-align:left">
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Properties</em> > (on Windows Vista or later: > <em style="text-align:left">
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Advanced System Settings</em> >) <em style="text-align:left">Advanced </em>tab > section
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<em style="text-align:left">Startup and Recovery </em>> <em style="text-align:left">
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Settings > </em>section <em style="text-align:left">Write debugging information
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</em>> select <em style="text-align:left">(none)</em> > <em style="text-align:left">
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OK</em>.</div>
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<div style="text-align:left; margin-top:19px; margin-bottom:19px; padding-top:0px; padding-bottom:0px">
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<em style="text-align:left">Note for users of Windows XP/2003</em>: As Windows XP and Windows 2003 do not provide any API for encryption of memory dump files, if the system partition/drive is encrypted by VeraCrypt and your Windows XP system is configured to
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write memory dump files to the system drive, the VeraCrypt driver automatically prevents Windows from writing any data to memory dump files<em style="text-align:left">.</em></div>
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</div><div class="ClearBoth"></div></body></html>
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