US Patent Issued to Microsoft Technology Licensing on Aug. 5 for "Side channel attack resistant cryptographic accelerator" (New Hampshire, California Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,742, issued on Aug. 5, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Side channel attack resistant cryptographic accelerator" was invented by Mojtaba Bisheh Niasar (Durham, N.H.) and Bharat S. Pillilli (El Dorado Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer implemented method includes receiving data on which to perform elliptic curve digital signature algorithm (ECDSA) and mapping ECDSA computations from affine coordinates to projective coordinates. A complete addition formula is executed on the data with operations changing based on bits of a secret key by minimizing execution time and power consump...