ALEXANDRIA, Va., March 17 -- United States Patent no. 12,579,320, issued on March 17, was assigned to Cryptography Research Inc (San Jose, Calif.).

"Split counters with dynamic epoch tracking for cryptographic protection of secure data" was invented by Michael Alexander Hamburg ('s-Hertogenbosch, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects and implementations include systems and techniques for efficient protection of secret data against replay attacks, including updating a unit of data of a plurality of units of data, updating an individual portion of a counter for the unit of data, the counter including an individual portion and a common portion, accessing a pointer value that disting...