ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,381, issued on Feb. 10, was assigned to DFINITY STIFTUNG (Zurich, Switzerland).
"Digital signatures with key-derivation" was invented by Jens Groth (Zurich, Switzerland) and Victor Shoup (New York City, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the invention relate to a computer-implemented method for performing a digital signature according to a public key signature scheme. The method comprises a step of computing a presignature. The method comprises further steps of providing a master secret key pair, the master secret key pair comprising a first master secret key and a second master secret key, and providing a master publ...