ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,628, issued on Aug. 26, was assigned to Ciena Corp. (Hanover, Md.).

"Automatic SAE ID exchange for quantum key distribution (QKD) cryptography" was invented by Yves Cayer (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides systems, methods, and apparatuses for network devices of a transport network to obtain quantum key distribution (QKD) keys from a QKD system. The disclosed techniques enable network devices to exchange secure application entity identifications (SAE IDs) via a trusted channel between each pair of network devices. A trusted channel is a channel where the endpoints are known, and data integrity is protecte...