ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,050, issued on Sept. 30, was assigned to Google LLC (Mountain View, Calif.).

"Managing data availability on encryption key status changes in replicated storage systems" was invented by Bonan Liu (New York), Ramesh Rathan Dharan (New York), Michelle Morgan Socher (New York), Shuen Wen Si (Mountain View, Calif.) and Anwesha Das (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes obtaining a key status for a first cryptographic key. The first cryptographic key is used to encrypt replicated data of a first replication instance. The method also includes determining, based on the key status, that the first cryptographic key is inac...