Security application using silicon fingerprint identification

Details Security application using silicon fingerprint identification Security application using silicon fingerprint identification

2005-04-15

2009-08-18

Smithers, Matthew B (Department: 2437)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

Reexamination Certificate

active

07577850

ABSTRACT:
A method for using an identification value for a security application is disclosed. The method may include the steps of (A) generating the identification value based on a plurality of semiconductor fabrication process variations, (B) generating a key by reducing a bit error rate of the identification value, wherein the key may not be available external to the security application and (C) generating an output signal by one of (i) encoding and (ii) decoding an input signal in response to said key.

REFERENCES:
patent: 6161213 (2000-12-01), Lofstrom
patent: 2006/0210082 (2006-09-01), Devadas et al.

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