US Patent Issued to NXP on Jan. 27 for "Low-memory Dilithium with masked hint vector computation" (German, Dutch, Austrian Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,693, issued on Jan. 27, was assigned to NXP B.V. (Eindhoven, Netherlands).

"Low-memory Dilithium with masked hint vector computation" was invented by Joost Roland Renes ('s-Hertogenbosch, Netherlands), Tobias Schneider (Graz, Austria), Melissa Azouaoui (Norderstedt, Germany) and Mohamed ElGhamrawy (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of performing a Dilithium signature operation on a message M using a secret key sk, including: calculating a value {tilde over (r)} based upon w0, c, and s2, where w0 and c are calculated as part of the Dilithium signature operation and s2 is part of the secret key sk; performing a b...