[113874] in cryptography@c2.net mail archive
Re: patent of the day
daemon@ATHENA.MIT.EDU (Todd Arnold)
Wed Jan 23 16:26:29 2008
In-Reply-To: <87zluxfccw.fsf@snark.cb.piermont.com>
To: cryptography@metzdowd.com
From: Todd Arnold <arnoldt@us.ibm.com>
Date: Wed, 23 Jan 2008 10:06:24 -0500
Our IBM cryptographic processors (HSMs) have been using this technique
since around 1996 - data that is stored in flash memory is encrypted with
a key that is destroyed on any attempt to tamper with the security module.
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Todd W. Arnold, STSM
IBM Cryptographic Technology Development
(704) 594-8253 FAX 594-8336
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email: arnoldt@us.ibm.com
"Perry E. Metzger" <perry@piermont.com>
Sent by: owner-cryptography@metzdowd.com
01/22/2008 10:29 PM
To
cryptography@metzdowd.com
cc
Subject
patent of the day
http://www.google.com/patents?vid=USPAT6993661
Hat tip to a party who prefers to remain anonymous who sent me the
patent number.
--
Perry E. Metzger perry@piermont.com
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