ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,306, issued on Oct. 14, was assigned to HEWLETT-PACKARD DEVELOPMENT COMPANY LP (Spring, Texas).
"Hash chain of blocks of public keys for messages" was invented by Laurent Pizot (Vancouver, Wash.), Stephen D. Panshin (Corvallis, Ore.) and Thalia May Laing (Bristol, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A block to be added to a hash chain is generated. The block is for a message to be sent and includes a link hash of a prior block previously added to the hash chain. The prior block includes a public key corresponding to a private key to be used to digitally sign the block. The block includes a payload hash of a payload of the me...