US Patent Issued to Cryptography Research on March 25 for "Protecting polynomial hash functions from external monitoring attacks" (Dutch, American, French Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,935, issued on March 25, was assigned to Cryptography Research Inc. (San Jose, Calif.).

"Protecting polynomial hash functions from external monitoring attacks" was invented by Elena Trichina (Aix-en-Provence, France), Guilherme Ozari de Almeida (Nootdorp, Netherlands) and Elke De Mulder (Kirkland, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for protecting from external monitoring attacks cryptographic data processing operations involving computation of a universal polynomial hash function, such as GHASH function. An example method may comprise: receiving an input data block, an iteration result value, and a mask value; ...