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:
Nov. 10, 2015
Filed:
Jan. 12, 2012
Applicants:
Gueorgui Djabarov, Sunnyvale, CA (US);
George Hotz, Glen Rock, NJ (US);
Shaheen Ashok Gandhi, Seattle, WA (US);
Inventors:
Gueorgui Djabarov, Sunnyvale, CA (US);
George Hotz, Glen Rock, NJ (US);
Shaheen Ashok Gandhi, Seattle, WA (US);
Assignee:
Facebook, Inc., Menlo Park, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 15/177 (2006.01); G06F 21/57 (2013.01); G06F 21/64 (2013.01); G06F 21/60 (2013.01); H04L 29/06 (2006.01); G06F 11/14 (2006.01); H04L 12/24 (2006.01); H04W 4/00 (2009.01); H04W 12/10 (2009.01); G06F 21/44 (2013.01); G06F 9/445 (2006.01); H04M 1/725 (2006.01);
U.S. Cl.
CPC ...
G06F 21/57 (2013.01); G06F 11/1433 (2013.01); G06F 21/572 (2013.01); G06F 21/575 (2013.01); G06F 21/602 (2013.01); G06F 21/64 (2013.01); H04L 41/082 (2013.01); H04L 63/123 (2013.01); H04W 4/001 (2013.01); G06F 8/665 (2013.01); G06F 21/44 (2013.01); H04M 1/72525 (2013.01); H04W 12/10 (2013.01);
Abstract
In one embodiment, a mobile device performs an over-the-air firmware update by writing the updated firmware to a inactive system image partition, and rebooting the device. The security of the OTA update is maintained through checking a plurality of security signatures in an OTA manifest, and the integrity of the data is maintained by checking a hash value of the downloaded system image.