Patent · US Active

Optical key protected authentication and encryption

US11212120B2 · kind B2 · utility

0Cited by

2References

16Claims

0Family size

Assignee

Schott AG · DE

Inventors

Mark Davis · Fremont, US
Martin Letz · Mainz, DE
Allard P. Mosk · Enschede, NL
Pepijn Pinkse · Enschede, NL

Key dates

Filing date	Nov 30, 2018
Grant date	Dec 28, 2021
Priority date	—
Expiry date	Oct 30, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2209/12
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

An apparatus for authenticating an optical key and an apparatus for generating a random number from an optical key are provided. The optical key is used for reliable authenticatability and the random number is stable when or after the optical key is exposed to an external influence such as, but not limited to, a physical or chemical stimulus including a different ambient condition, a mechanical stress, or chemical contact.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.