ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,134, issued on May 19, was assigned to NXP B.V. (Eindhoven, Netherlands).

"Masked kronecker substitution for polynomial multiplication" was invented by Olivier Bronchain (Auderghem, Belgium), Joost Roland Renes ('s-Hertogenbosch, Netherlands) and Tobias Schneider (Graz, Austria).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data processing system comprising instructions embodied in a non-transitory computer readable medium, the instructions for a cryptographic operation using polynomials for lattice-based cryptography in a processor, the instructions, including: applying a share-wise Kronecker substitution to arithmetic shares of a first polynomial...