ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,788, issued on April 14, was assigned to DigiCert Inc. (Lehi, Utah).
"Managing hygiene of key pairs between certificate authorities using FHE" was invented by Avesta Hojjati (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of issuing a digital certificate includes receiving a certificate signing request (CSR) from an entity; determining a public key of the entity from the CSR; applying encryption to the public key; checking whether a result of the encryption is in a database to determine whether the public key has been previously used; and responsive to the public key not having been previously used, issuing a certificate to t...