Patents by Inventor Daivid LEBUTSCH

Daivid LEBUTSCH has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Retention management in a facility with multiple trust zones and encryption based secure deletion
    Patent number: 9824231
    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.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: November 21, 2017
    Assignee: International Business Machines Corporation
    Inventors: Michael Factor, Daivid Lebutsch, Alexandra Shulman-Peleg, Tim Waizenegger
  • RETENTION MANAGEMENT IN A FACILITY WITH MULTIPLE TRUST ZONES AND ENCRYPTION BASED SECURE DELETION
    Publication number: 20160188894
    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.
    Type: Application
    Filed: December 24, 2014
    Publication date: June 30, 2016
    Inventors: Michael FACTOR, Daivid LEBUTSCH, Alexandria SHULMAN-PELEG, Tim WAIZENEGGER