[115585] in cryptography@c2.net mail archive

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Re: cold boot attacks on disk encryption

daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Thu Feb 21 19:01:39 2008

To: "Ali\, Saqib" <docbook.xml@gmail.com>
Cc: "Jon Callas" <jon@callas.org>,  cryptography@metzdowd.com
From: "Perry E. Metzger" <perry@piermont.com>
Date: Thu, 21 Feb 2008 17:59:57 -0500
In-Reply-To: <addede3b0802211337j48ef16a2q4f00844c7763c4b4@mail.gmail.com> (Saqib Ali's message of "Thu\, 21 Feb 2008 13\:37\:20 -0800")


"Ali, Saqib" <docbook.xml@gmail.com> writes:
> How about TPM? Would this type of attack work on a tamper-resistant ver1.2 TPM?

The phrase is "tamper resistant", not "tamper proof". Depending on how
determined your attackers are, pretty much anything depending on
tamper resistant hardware will fall. As always, the question is
whether what you are protecting is worth more than the attackers would
have to spend on the attack.

-- 
Perry E. Metzger		perry@piermont.com

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