US 12,335,390 B2
Anti-cloning of device cryptographic keys for counterfeit prevention
Xin Qiu, San Diego, CA (US); Oscar Jiang, West Covina, CA (US); Alexander Medvinsky, San Diego, CA (US); Jason Pasion, San Diego, CA (US); Rafie Shamsaasef, San Diego, CA (US); and Ting Yao, San Diego, CA (US)
Assigned to ARRIS Enterprises LLC, Suwanee, GA (US)
Filed by ARRIS Enterprises LLC, Suwanee, GA (US)
Filed on Oct. 30, 2023, as Appl. No. 18/385,269.
Claims priority of provisional application 63/424,055, filed on Nov. 9, 2022.
Prior Publication US 2024/0154806 A1, May 9, 2024
Int. Cl. H04L 9/30 (2006.01); H04L 9/32 (2006.01)
CPC H04L 9/30 (2013.01) [H04L 9/3263 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A credential distribution system for providing device credentials to a plurality of devices, comprising:
a credential server, for accepting requests for credentials from the plurality of devices and for receiving the requested credentials from a credential source;
a first secured interface, communicatively coupling the credential source and the credential server;
a second secured interface, communicatively coupling the credential server and the respective ones of said plurality of devices;
a credential database, communicatively coupled to at least one of said credential source and said credential server storing each the credentials for respective ones of said plurality of devices and a provisioning history of each of the credentials;
a cloning detection system, communicatively coupled to the credential database, the cloning detection system for detecting duplicate credentials using the credentials stored in the credential database; and
a provisioning system that provisions the credentials to the plurality of devices.