ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,741, issued on Dec. 16, was assigned to RingCentral Inc. (Belmont, Calif.).

"Systems and methods for securely providing metadata for decrypting content history of an encrypted session" was invented by David Livshits (Modiin-Maccabim-Reut, Israel), Lev Rosenblit (Shoham, Israel), Dmitrii Bukreev (Petah Tikva, Israel) and Robert Behar (Hadera, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "An end-to-end encrypted communication system securely provides session keys for encrypted session history recovery for new members or reconnecting members of an encrypted session. The encrypted session history recovery adapts the end-to-end encryption for sec...