US Patent Issued to Intel on June 3 for "Instructions and logic to provide SIMD SM4 cryptographic block cipher functionality" (Massachusetts Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,515, issued on June 3, was assigned to Intel Corp. (Santa Clara, Calif.).

"Instructions and logic to provide SIMD SM4 cryptographic block cipher functionality" was invented by Sean M. Gulley (Sudbury, Mass.), Gilbert M. Wolrich (Framingham, Mass.), Vinodh Gopal (Westborough, Mass.), Kirk S. Yap (Westborough, Mass.) and Wajdi K. Feghali (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Instructions and logic provide for a Single Instruction Multiple Data (SIMD) SM4 round slice operation. Embodiments of an instruction specify a first and a second source data operand set, and substitution function indicators, e.g. in an immediate operand. Embodimen...