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. 16, 2014
Filed:
Oct. 24, 2011
Applicants:
Dong-jin Park, Hwaseong-si, KR;
Myung-hee Kang, Seoul, KR;
Won-churl Jang, Uijeongbu-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/00 (2006.01); G06F 15/177 (2006.01); H04L 9/32 (2006.01); G06F 21/57 (2013.01); H04W 12/06 (2009.01); G06F 9/44 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3242 (2013.01); H04L 9/3247 (2013.01); G06F 21/575 (2013.01); H04W 12/06 (2013.01); G06F 9/4401 (2013.01); G06F 2221/034 (2013.01);
Abstract
In a secure boot method, an initial boot loader verifies a first digital signature included in a first boot loader using a public key. The first boot loader is executed if the first digital signature is valid. The first boot loader verifies a first message authentication code included in a second boot loader using a unique key. The second boot loader is executed if the first message authentication code is valid.