US Patent Issued to SILICON MOTION on April 8 for "Apparatus and method for expanding round keys during data encryption" (Taiwanese Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,108, issued on April 8, was assigned to SILICON MOTION INC. (Zhubei, Taiwan).

"Apparatus and method for expanding round keys during data encryption" was invented by Wun-Jhe Wu (Kinmen County, Taiwan), Po-Hung Chen (Taoyuan, Taiwan), Chiao-Wen Cheng (Zhubei, Taiwan), Jiun-Hung Yu (Zhubei, Taiwan) and Chih-Wei Liu (Zhubei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention introduces an apparatus and a method for expanding round keys during data encryption. The method includes: configuring a word-processing circuitry to operate in a first mode to calculate a first intermediate calculation result corresponding to an even-number round k...