ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,918, issued on July 15, was assigned to MetaLoop Inc. (Fremont, Calif.).
"Hardened key derivation in multi-party computation" was invented by Xiangjun Li (Sunnyvale, Calif.), Yijie Bei (San Jose, Calif.) and Ryan Lehmkuhl (Oakland, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for hardened key derivation in multi-party computation. The method includes deriving child private key shares from parent private key shares using hardened multiparty computation while maintaining key refresh properties. The method includes selecting a random number generator G and a second random number generator G'. Child private key shares are de...