System for and method of verifying IC authenticity

Details System for and method of verifying IC authenticity System for and method of verifying IC authenticity

2011-01-25

2011-01-25

Chiang, Jack (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000

Reexamination Certificate

active

07877712

ABSTRACT:
A verification system disclosed herein uses the unique signatures of an IC to perform authentication of the IC after the IC is shipped to a customer. The verification system records the fingerprint and associated IC identifier with the fingerprint into a data structure. The data structure is supplied to the customer for use in the customer's own security systems. When an IC interfaces with the customer's system, the verification system requests the IC's identifier and selects a data structure corresponding to that IC identifier. The verification system then performs a test on the IC (e.g. remotely operates the IC at 1V), records the resulting data and compares the test results with the corresponding data in the data structure. If a predetermined condition is satisfied then the IC is verified to be authentic. If not, the verification system responds, for example, by flagging the customer's security system.

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