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:
Sep. 06, 2022

Filed:

Mar. 19, 2020
Applicant:

Arista Networks, Inc., Santa Clara, CA (US);

Inventors:

Ethan Rahn, Agoura Hills, CA (US);

Baptiste Covolato, Vancouver, CA;

Roy Wen, Vancouver, CA;

Julien Gomes, Vancouver, CA;

Assignee:

Arista Networks, Inc., Santa Clara, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3234 (2013.01); H04L 9/0897 (2013.01); H04L 9/3213 (2013.01); H04L 9/3268 (2013.01); H04L 2209/127 (2013.01);
Abstract

A method for authenticating an origin of a network device. The method includes reading one or more encrypted parameters from a memory of the network device, decoding the one or more encrypted parameters, and determining whether one or more of the decoded parameters match parameters obtained from a trusted platform module (TPM) installed in the network device and/or a read only memory (ROM) of the network device. In response to a mismatch between the decoded parameters and the parameters obtained from the TPM or the ROM, at least one of suspending operation of the device or transmitting a report of an authentication failure across a network on which the device is operating.


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