<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML ><HEAD ><TITLE >Glossary</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Disk Encryption HOWTO" HREF="index.html"><LINK REL="PREVIOUS" TITLE="More Information" HREF="moreinformation.html"><LINK REL="NEXT" TITLE="GNU Free Documentation License" HREF="gfdl.html"></HEAD ><BODY CLASS="glossary" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Disk Encryption HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="moreinformation.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="gfdl.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="GLOSSARY" ><H1 ><A NAME="Glossary" ></A >Glossary</H1 ><DL ><DT ><B ><SPAN CLASS="acronym" ><A HREF="http://csrc.nist.gov/CryptoToolkit/aes/" TARGET="_top" >AES</A ></SPAN ></B ></DT ><DD ><P >Advanced Encryption Standard, a strong, well-regarded <I CLASS="glossterm" >encryption</I > algorithm chosen by the United States <A HREF="http://www.nist.gov/" TARGET="_top" >National Institute of Standards and Technology</A ></P ></DD ><DT ><B >asset</B ></DT ><DD ><P >the data being protected by <I CLASS="glossterm" >encryption</I >—either a disk, partition, or a file</P ></DD ><DT ><B >encryption</B ></DT ><DD ><P >a mathematical means of scrambling data so that it's unintelligible unless decrypted using a specific <I CLASS="glossterm" >key</I ></P ></DD ><DT ><B >key</B ></DT ><DD ><P >the small piece of data necessary to make encrypted data intelligible</P ></DD ><DT ><A NAME="keychain" ></A ><B >keychain</B ></DT ><DD ><P >the physical medium (such as a <I CLASS="glossterm" >USB flash drive) </I >used to hold the encryption <I CLASS="glossterm" >key</I > (and possibly the beginning of the boot process)</P ></DD ><DT ><B >loopback device</B ></DT ><DD ><P >a Linux block device which appears to store data (by using another device)</P ></DD ><DT ><B ><A HREF="http://sourceforge.net/projects/loop-aes/" TARGET="_top" >loop-AES</A ></B ></DT ><DD ><P >software written by Jari Ruusu that implements the <I CLASS="glossterm" >AES</I > algorithm using a <I CLASS="glossterm" >loopback device</I ></P ></DD ><DT ><B >plausible deniability</B ></DT ><DD ><P >a means to avoid being coerced into decrypting one's own data for an attacker</P ></DD ><DT ><B >USB flash drive</B ></DT ><DD ><P >a small electronic device containing a memory chip and a USB interface</P ></DD ></DL ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="moreinformation.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="gfdl.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >More Information</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >GNU Free Documentation License</TD ></TR ></TABLE ></DIV ></BODY ></HTML >