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Encryptic Data not so Cryptic
Sgzby
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2-23-2008 12:06 PM
183 views
tags:
technology
,
computers
,
security
,
encryption
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/f0448665-2611-4f0b-a753-68b8fdd4ccdd/49585C61-981D-4147-B3A0-05401F974076/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.nytimes.com/2008/02/22/technology/22chip.html?em&ex=1203915600&en=13d01f43eefefaeb&ei=5087%0A" href="http://www.nytimes.com/2008/02/22/technology/22chip.html?em&ex=1203915600&en=13d01f43eefefaeb&ei=5087%0A" style="font-size: 11px;">www.nytimes.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/02/22/technology/22chip.html?em&ex=1203915600&en=13d01f43eefefaeb&ei=5087%0A"><P>In a <A href="http://citp.princeton.edu.nyud.net/pub/coldboot.pdf" linkindex="42" set="yes">technical paper</A> that was published Thursday on the Web site of Princeton’s Center for Information Technology Policy, the group demonstrated that standard memory chips actually retain their data for seconds or even minutes after power is cut off.</P><P>When the chips were chilled using an inexpensive can of air, the data was frozen in place, permitting the researchers to easily read the keys — long strings of ones and zeros — out of the chip’s memory.</P><P> “Cool the chips in liquid nitrogen (-196 °C) and they hold their state for hours at least, without any power,” <A title="More articles about Edward W. Felten." href="http://topics.nytimes.com/top/reference/timestopics/people/f/edward_w_felten/index.html?inline=nyt-per" linkindex="42">Edward W. Felten</A>, a Princeton computer scientist, wrote in a Web posting. “Just put the chips back into a machine and you can read out their contents.”</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/02/22/technology/22chip.html?em&ex=1203915600&en=13d01f43eefefaeb&ei=5087%0A">“This is just another example of how things aren’t quite what they seem when people tell you things are secure,” said Peter Neumann, a security researcher at SRI International in Menlo Park, Calif.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;"> </td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/49585C61-981D-4147-B3A0-05401F974076/blog/" title="blog or email this clip"><img src="http://content9.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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