US Patent Issued to NXP on Dec. 2 for "Distributed stateful hash-based signatures" (Belgian Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,640, issued on Dec. 2, was assigned to NXP B.V. (Eindhoven, Netherlands).

"Distributed stateful hash-based signatures" was invented by Florian Boehl (Leuven, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method of producing a key for a digital signature method, including: providing a plurality of initial hardware security modules (HSM) with global public key parameters; running key generation to produce sub-public keys for respective sub-trees associated with the plurality of initial HSMs based upon the global public key parameters; picking a random seed and generating a sub-public key and a sub-tree based upon the random seed f...