ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,744, issued on Jan. 20, was assigned to nChain Licensing AG (Zug, Switzerland).
"Partial SHA-based hash function" was invented by Wei Zhang (London), Steven Patrick Coughlan (London), John Murphy (London) and Arthur Gordan (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method of verifying the integrity of part of a pre-image corresponding to a hash digest generated by hashing the preimage with a SHA-based hash function, wherein the pre-image comprises a first message and a second message, and wherein the method comprises: a) receiving an iteration input vector; b) obtaining a second sequence of blocks; c) generating a ...