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:
Jun. 26, 2018
Filed:
Aug. 26, 2015
Applicant:
Emc Corporation, Hopkinton, MA (US);
Inventors:
Frederick Douglis, Basking Ridge, NJ (US);
Radia Perlman, Hopkinton, MA (US);
Philip Shilane, Yardley, PA (US);
Grant Wallace, Pennington, NJ (US);
Assignee:
EMC IP Holding Company LLC, Hopkinton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/78 (2013.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
G06F 21/78 (2013.01); H04L 9/0894 (2013.01);
Abstract
One embodiment provides a document management system comprising a storage system to store one or more encrypted documents, at least a first portion of a first encrypted document encrypted using a first encryption key, and an encryption key manager to manage a set of encryption keys for the documents on the storage system, the encryption key manager further to discard the first encryption key to provide secure removal of the portion of the encrypted document.