Electrical computers and digital processing systems: support – Data processing protection using cryptography
Reexamination Certificate
2002-04-04
2010-11-02
Zia, Syed A. (Department: 2431)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
C713S192000, C713S193000, C713S194000, C713S182000, C380S044000, C380S262000, C380S264000, C380S265000, C380S277000, C726S016000, C726S017000, C726S021000, C702S117000
Reexamination Certificate
active
07827413
ABSTRACT:
A method and a circuit for extracting a secret datum from an integrated circuit taking part in an authentication procedure that uses an external device that takes this secret datum into account, the secret datum being generated on request and made ephemeral.
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French Search Report from French Patent Application 01/07591, filed Jun. 11, 2001.
Guette François
Liardet Pierre-Yvan
Wuidart Luc
Jorgenson Lisa K.
Morris James H.
STMicroelectronics S.A.
Wolf Greenfield & Sacks P.C.
Zia Syed A.
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