ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,837, issued on Oct. 20, was assigned to NEC Corp. (Tokyo).

"Method and host system for secure enclave migration" was invented by Samira Briongos (Heidelberg, Germany), Claudio Soriente (Heidelberg, Germany) and Ghassan Karame (Heidelberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for enabling enclave migration is provided, where the contents of the enclave and its sealed data are transferred from a sending host to a receiving host. An attestation is performed between a security monitor of the sending host and a security monitor of the receiving host, where the attestation includes an exchange of a shared cryptographic key K bet...