Integrated circuit having obscured state change circuitry

Details Integrated circuit having obscured state change circuitry Integrated circuit having obscured state change circuitry

2011-06-14

2011-06-14

Tran, Minh-Loan T (Department: 2826)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

Tamper resistant

Reexamination Certificate

active

07962767

ABSTRACT:
An integrated circuit is provided having first and second circuitry which are configured to emit light when undergoing changes in state. The first and second circuitry being operated to change state at the same time so as to hinder optical detection of the light emitted by the first circuitry.

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