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:
Nov. 21, 2017
Filed:
Dec. 24, 2014
International Business Machines Corporation, Armonk, NY (US);
Michael Factor, Haifa, IL;
Daivid Lebutsch, Tuebingen, DE;
Alexandra Shulman-Peleg, Givataim, IL;
Tim Waizenegger, Stuttgart, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A computing facility, including a storage management system belonging to a first trust zone having a first privilege level, a metadata management system belonging to a second trust zone having a second privilege level higher than the first privilege level, and a security management system belonging to a third trust zone having a third privilege level higher than or equal to the second privilege level. The storage management system is and configured to store multiple content entities, and the metadata management system is configured to manage, for each of the multiple content entities, metadata including a respective content encryption key and a respective retention time, each of the content entities being encrypted by its respective content encryption key. The security management system is configured to manage a master encryption key used to create the respective content encryption keys, and to confirm expiration of the respective retention times.