US Patent Issued to ISARA on Sept. 23 for "Certificate validation using a multiple-key-pair root certificate authority" (Canadian Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,236, issued on Sept. 23, was assigned to ISARA Corp. (Waterloo, Canada).

"Certificate validation using a multiple-key-pair root certificate authority" was invented by Atsushi Yamada (Waterloo, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a general aspect, a cryptography system includes a multiple-key-pair root certificate authority. In some aspects, an inquiry regarding the validity of an identified root certificate of a root certificate authority (CA) is received from an entity. The validity of the identified root certificate is cryptographically verified against a cryptographically authenticated database representing the root CA. The ...