ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,055, issued on Sept. 30, was assigned to Sandisk Technologies Inc. (Milpitas, Calif.).

"Low latency block cipher in memory devices" was invented by Yan Dumchin (Beer Sheva, Israel), Tzvi Alon (Jerusalem) and Yuval Yoskovits (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A storage device includes multiple memory dies and a controller configured to: (i) encrypt a data block using a key schedule that includes a plurality of round keys generated from an encryption key, the encrypting resulting in an encrypted data block; (ii) during the encrypting, modify a key register during a first plurality of iterations, the key register being up...