The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 2026
Filed:
Sep. 10, 2024
Oracle International Corporation, Redwood Shores, CA (US);
Rakesh Ganimini Baskar, Bellevue, WA (US);
David Rahmany, Seattle, WA (US);
Hanyue Zhang, Seattle, WA (US);
Andy Kwan Jin Siow, Bellevue, WA (US);
Oracle International Corporation, Redwood Shores, CA (US);
Abstract
Techniques are described for creating snapshots and performing recovery of a hardware security module (HSM) using write-ahead logs (WALs) in a cloud infrastructure. In some embodiments, any changes to a crypto key in an HSM partition may be stored in a temporary storage (e.g., a write-ahead log (WAL)). Snapshots for the HSM partition can be created from the temporary storage. The process of creating the snapshots may be performed in parallel with the process of making changes to the crypto keys in the HSM partition. In further embodiments, the snapshots for the HSM partition are chained together to form a multi-version snapshot linked list to become portable snapshot files. In some embodiments, creating the snapshots and restoring the crypto keys in the snapshots follow the same security boundary.