US Patent Issued to NUVOTON TECHNOLOGY on Oct. 14 for "Cipher accelerator and method for tamper protection in cryptographic operations" (Taiwanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,443,759, issued on Oct. 14, was assigned to NUVOTON TECHNOLOGY Corp. (Hsinchu Science Park, Taiwan).

"Cipher accelerator and method for tamper protection in cryptographic operations" was invented by Kun-Yi Wu (Tainan, Taiwan) and Yu-Shan Li (Tainan, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for tamper protection in cryptographic calculations is provided. A cryptographic calculation includes a plurality of normal rounds and a plurality of redundant rounds. The method includes obtaining a first variable x and a second variable y using a random number generator; dividing the normal rounds into a first normal section and a second normal...