ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,308, issued on March 11, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Method and apparatus for managing cryptographic keys" was invented by Diego Pala (Bochum, Germany), Teona Tatovic (Bochum, Germany) and Lukas Riemenschneider (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for managing cryptographic keys for a control device, in particular for a motor vehicle. The method includes the following steps: associating a state with at least one of the cryptographic keys; using the at least one cryptographic key based on the state."

The patent was filed on Sept. 21, 2021, under Application No. 17/448,277.

*For further info...