ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,916, issued on May 26, was assigned to Universitat Hamburg (Hamburg, Germany).

"Method for quantum-secured communication" was invented by Ralf Riedinger (Vaterstetten, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of encryption for quantum-secured communication includes structuring a pair of quantum-enabled hardware security modules to include an interface to a temporarily common quantum channel and an interface to a communication channel. A secret key is shared with the pair of quantum-enabled hardware security modules for a symmetrical encryption between the pair of quantum-enabled hardware security module. The secret key is obtai...