Re: memory pages nulling when releasing

看板FB_security作者時間19年前 (2006/06/19 19:50), 編輯推噓0(000)
留言0則, 0人參與, 最新討論串14/27 (看更多)
"R. B. Riddick" <arne_woerner@yahoo.com> writes: > Dag-Erling Sm=F8rgrav <des@des.no> writes: > > You cannot read the content of powered-off DRAM. > Yes, that it is true. _I_ cannot read powered-off DRAM... But my > feathered friends beyond the seven mountains with bird-like heads > and big muscled chests and arms and legs and a super-duper-computer > (abbr.: CIA) could possibly do that... I very much doubt it. DRAM needs to be continuously refreshed, and loses its state within milliseconds of losing power. > At least I saw that in TV (CSI Wanne-Eickel or so), how they read from a > overwritten hard disc shreddered with a "laser"... Umm, first, CSI is fiction; second, unlike DRAM, a hard disk is designed to retain information when power is switched off. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no _______________________________________________ freebsd-security@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org"
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文章代碼(AID): #14bezo00 (FB_security)