ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,410, issued on Sept. 16.
"Secure layered encryption of data streams" was invented by Pierre Racz (Montreal) and Frederic Rioux (Montreal).
According to the abstract* released by the U.S. Patent & Trademark Office: "Technology permitting secure storage and transmission of data stream as well as tiered access to multiple data stream according to permission. Data streams may be encrypted using symmetric encryption performed with varying symmetric keys according to a key stream of symmetric keys. Native data may be discarded for safety. Whole or partial key streams may be encrypted using the public keys of authorized entities having permission to access respective data streams or po...