ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,176, issued on July 15, was assigned to Arm Ltd. (Cambridge, Great Britain).

"Integrity tree for memory security" was invented by Andreas Lars Sandberg (Cambridge, Great Britain) and Roberto Avanzi (Grasbrunn, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data integrity tree for memory security comprises a plurality of nodes, wherein a linked series of nodes of the data integrity tree protects a data item stored in memory. A parent node in the linked series of nodes comprises a plurality of counters, each associated with a respective child node and providing an input to a protection function associated with the respective child node. A no...