ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,054, issued on Sept. 30, was assigned to Amazon Technologies Inc. (Seattle).

"Federated key management" was invented by Gregory Branchek Roth (Seattle), Matthew James Wren (Seattle), Eric Jason Brandwine (Haymarket, Va.) and Brian Irl Pratt (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system uses information submitted in connection with a request to determine if and how to process the request. The information may be electronically signed by a requestor using a key such that the system processing the request can verify that the requestor has the key and that the information is authentic. The information may include information that iden...