US Patent Issued to Cable Television Laboratories on June 3 for "Quantum key distribution for secure and private transactions" (California Inventor)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,512, issued on June 3, was assigned to Cable Television Laboratories Inc. (Louisville, Colo.).

"Quantum key distribution for secure and private transactions" was invented by Bernardo Huberman (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transaction discovery protocol determines when a value r is less than a value a without learning the value of r or a. The protocol (1) receives, at a first computer via a secure communication channel, value ax, where x is a secret key unknown to the first computer; (2) generates vector B where a first entry is the value r, and subsequent entries are equal to the previous entry plus a predefined ...