US Patent Issued to SONY GROUP, SONY PICTURES ENTERTAINMENT on March 4 for "Fixity data processing" (California Inventor)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,420, issued on March 4, was assigned to SONY GROUP Corp. (Tokyo) and SONY PICTURES ENTERTAINMENT INC. (Culver City, Calif.).

"Fixity data processing" was invented by Eric Diehl (Burbank, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Fixity data processing of a file by an ingester, including: receiving and processing the file by slicing the file into a plurality of parts; calculating a digest of each part until digests of all of the plurality of parts have been calculated; calculating a master hash as a combination of the digests of all of the plurality of parts; calculating a master hash signature using the master hash and a private key of t...