patent of the day

Todd Arnold arnoldt at us.ibm.com
Wed Jan 23 10:06:24 EST 2008


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.

-------------------------------------------------------------------
Todd W. Arnold, STSM
IBM Cryptographic Technology Development
(704) 594-8253   FAX 594-8336
-------------------------------------------------------------------
email:  arnoldt at us.ibm.com



"Perry E. Metzger" <perry at piermont.com> 
Sent by: owner-cryptography at metzdowd.com
01/22/2008 10:29 PM

To
cryptography at 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 at piermont.com
---------------------------------------------------------------------
The Cryptography Mailing List
Unsubscribe by sending "unsubscribe cryptography" to majordomo at metzdowd.com



More information about the cryptography mailing list