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	<title>Comments on: ARM versus x86</title>
	<atom:link href="http://trailofbits.com/2008/12/09/arm-versus-x86/feed/" rel="self" type="application/rss+xml" />
	<link>http://trailofbits.com/2008/12/09/arm-versus-x86/</link>
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		<title>By: phil</title>
		<link>http://trailofbits.com/2008/12/09/arm-versus-x86/#comment-317</link>
		<dc:creator><![CDATA[phil]]></dc:creator>
		<pubDate>Thu, 29 Oct 2009 14:14:12 +0000</pubDate>
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		<description><![CDATA[Is x86 easier to hack because you can jump to the middle of an instruction where you can execute a different instruction hidden in data?

Compared to ARM where this seems to be impossible - all instructions 32 bit (except in thumb mode), all 32 bit aligned, all jumps are 32 bit aligned.

Can you expand on the design weaknesses of each?]]></description>
		<content:encoded><![CDATA[<p>Is x86 easier to hack because you can jump to the middle of an instruction where you can execute a different instruction hidden in data?</p>
<p>Compared to ARM where this seems to be impossible &#8211; all instructions 32 bit (except in thumb mode), all 32 bit aligned, all jumps are 32 bit aligned.</p>
<p>Can you expand on the design weaknesses of each?</p>
]]></content:encoded>
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	<item>
		<title>By: Abdullah</title>
		<link>http://trailofbits.com/2008/12/09/arm-versus-x86/#comment-185</link>
		<dc:creator><![CDATA[Abdullah]]></dc:creator>
		<pubDate>Sun, 22 Feb 2009 01:58:08 +0000</pubDate>
		<guid isPermaLink="false">http://blog.trailofbits.com/?p=109#comment-185</guid>
		<description><![CDATA[I saw the Mac OS X talk, great presentation well done

when is the mac hackers book coming out?]]></description>
		<content:encoded><![CDATA[<p>I saw the Mac OS X talk, great presentation well done</p>
<p>when is the mac hackers book coming out?</p>
]]></content:encoded>
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