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:
Dec. 22, 2020
Filed:
Feb. 05, 2018
Apple Inc., Cupertino, CA (US);
Michael D. Ford, Menlo Park, CA (US);
Jerrold V. Hauck, Windermere, FL (US);
Matthew G. Watson, San Francisco, CA (US);
Mitchell D. Adler, Los Gatos, CA (US);
Dallas B. De Atley, San Francisco, CA (US);
James Wilson, San Jose, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
Some embodiments provide, for a particular device in a set of related devices, a method for backing up data synchronized between the set of related devices. The method stores the backup data encrypted with a set of data encryption keys. The method also stores the set of data encryption keys encrypted with a master recovery key. The method also stores several copies of master recovery key data, each copy of the master recovery key data encrypted with a public key of a different one of the related devices. The backup data is only recoverable by accessing a private key of any one of the related devices.