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  6. Encoding Ternary Data for Physically Unclonable Function (PUF) Environments

Encoding Ternary Data for Physically Unclonable Function (PUF) Environments

Description

The technology provides a method to encode ternary data for a plurality of cells in a physical unclonable function (PUF). An addressable PUF generator (APG) comprises an array of PUFs and receives a user identification and password from the distributed peripheral device. The user identification and password comprise a challenge that is recognized as ternary data. Based on a predetermined threshold, the APG determines a challenge-response rate error by comparing ternary data. In turn, the distributed peripheral device is authenticated.

Additional information

Patent number and inventor

10,050,796 and 10,432,410 and 10,439,828

Bertrand Cambou

Potential applications

This technology is designed for use with cryptographic systems and authentication methods.

Benefits and advantages

An authentication protocol based on an APG allows for the protection of a network having distributed peripherals, such as smartphones and the Internet of Things. This protection does not require the storage of a database, passwords, or secret keys. Ternary states enhance APG, strengthening the authentication protocol through increased entropy (i.e., randomness rate). The challenge-response error rate can be much lower than in a binary architecture.

Case number and licensing status

2017-011-02

This invention is available for licensing.