The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 12, 2024

Filed:

Jan. 31, 2022
Applicant:

Raytheon Company, Waltham, MA (US);

Inventors:

Nick Angelo, McKinney, TX (US);

Michelle Moholt, Gunter, TX (US);

Assignee:

Raytheon Company, Tewksbury, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3278 (2013.01); H04L 9/0825 (2013.01); H04L 9/085 (2013.01); H04L 9/0866 (2013.01);
Abstract

A method of controlling access to a network includes receiving, from a node, a request to access the network. A challenge is sent to the node, the challenge configured to elicit a node fingerprint from the node. The node fingerprint is based on the challenge and on unique characteristic data of a physically unclonable function (PUF), at the node. An expected fingerprint is generated for the node based on the challenge and on characteristic data information associated with the unique characteristic data of the PUF. The characteristic data information is accessed from a location that is independent of and separate from the node. The node is authenticated to the network, to allow the node to access to the network, if the received node fingerprint matches the expected fingerprint. The first node is denied any access to the network if the received node fingerprint does not match the expected fingerprint.


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