US Patent Issued to Cryptography Research on June 2 for "Unlimited reprovisionable hardware root of trust" (California Inventor)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,645,807, issued on June 2, was assigned to Cryptography Research Inc. (San Jose, Calif.).

"Unlimited reprovisionable hardware root of trust" was invented by Winthrop John Wu (Pleasanton, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Technologies for protecting a secure context in a hardware root of trust (ROT) are described. One hardware ROT includes key generation logic and a cryptographic circuit. The key generation logic generates a first key from a value, corresponding to a physical variation of the hardware ROT, and first helper data associated with the physical variation of the hardware ROT. The key generation logic generates a second key f...