Method and apparatus for using imperfections in computing...

Details Method and apparatus for using imperfections in computing... Method and apparatus for using imperfections in computing...

2011-07-26

2011-07-26

Moazzami, Nasser (Department: 2436)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S193000, C713S194000, C714S025000, C714S718000

Reexamination Certificate

active

07987362

ABSTRACT:
A method for authenticating a device including the steps of operating the device to create at least one failure condition; obtaining a measurement based on the at least one failure condition; and, comparing the measurement based on the at least one failure condition with a previously stored measurement based on the at least one failure condition to determine an identity of the device. An apparatus and an article of manufacture for authenticating a device is also disclosed.

REFERENCES:
patent: 6536005 (2003-03-01), Augarten
patent: 7463945 (2008-12-01), Kiesel et al.
patent: 7653899 (2010-01-01), Lindahl et al.
patent: 2005/0138155 (2005-06-01), Lewis
patent: 2007/0239606 (2007-10-01), Eisen
patent: WO 98/42098 (1998-09-01), None
“Technical Details on Microsoft Product Activation for Windows XP,” Internet Citation, XP002398930, Aug. 13, 2001.

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