Patents by Inventor Paul Andrew Seligman

Paul Andrew Seligman 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).

  • System and method for synchronizing encrypted data on a device having file-level content protection
    Patent number: 8589680
    Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for initiating data synchronization between devices. The method includes sending a host identifier and pairing record to a second device having a file system encrypted on a per file and on a per class basis for a set of classes, receiving from the second device a sync ticket containing encryption keys for the set of classes, and storing the sync ticket. Also disclosed is a method for synchronizing encrypted data between devices. This method includes receiving, at a first device having a file system encrypted on a per file and on a per class basis, a sync ticket containing encryption keys from a second device, retrieving an escrow key bag containing protection class keys, decrypting protection class keys based on the sync ticket, and synchronizing data with the second device based on the decrypted protection class keys.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: November 19, 2013
    Assignee: Apple Inc.
    Inventors: Dallas Blake De Atley, Gordon Freedman, Thomas Brogan Duffy, Jr., Paul Andrew Seligman
  • SYSTEM AND METHOD FOR SYNCHRONIZING ENCRYPTED DATA ON A DEVICE HAVING FILE-LEVEL CONTENT PROTECTION
    Publication number: 20110252236
    Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for initiating data synchronization between devices. The method includes sending a host identifier and pairing record to a second device having a file system encrypted on a per file and on a per class basis for a set of classes, receiving from the second device a sync ticket containing encryption keys for the set of classes, and storing the sync ticket. Also disclosed is a method for synchronizing encrypted data between devices. This method includes receiving, at a first device having a file system encrypted on a per file and on a per class basis, a sync ticket containing encryption keys from a second device, retrieving an escrow key bag containing protection class keys, decrypting protection class keys based on the sync ticket, and synchronizing data with the second device based on the decrypted protection class keys.
    Type: Application
    Filed: April 7, 2010
    Publication date: October 13, 2011
    Applicant: Apple Inc.
    Inventors: Dallas Blake De Atley, Gordon Freedman, Thomas Brogan Duffy, JR., Paul Andrew Seligman