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:
Sep. 04, 2012
Filed:
Sep. 30, 2008
Helen S. Raizen, Jamaica Plain, MA (US);
John Harwood, Paxton, MA (US);
Michael E. Bappe, Loveland, CO (US);
Sathiyamoorthy Kothandan, Woburn, MA (US);
Edith Epstein, Arlington, MA (US);
Helen S. Raizen, Jamaica Plain, MA (US);
John Harwood, Paxton, MA (US);
Michael E. Bappe, Loveland, CO (US);
Sathiyamoorthy Kothandan, Woburn, MA (US);
Edith Epstein, Arlington, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
A method is provided for providing an operating system (OS) independent input/output (I/O) filter driver capable of encrypting at least a portion of a logical unit (LUN), the method comprising the unordered steps of: providing an I/O filter driver component to an I/O stack for a host in communication with the LUN; determining, based at least in part on at least one of OS requirements and an arrangement of data on the LUN, at least one region in the LUN that contains data that is used below the I/O filter driver in an I/O stack on the host; and performing at least one of a read and a write of the one or more regions while keeping the one or more regions in plaintext, while permitting other regions of the LUN to be at least one of encrypted and decrypted.