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:
Jul. 16, 2013
Filed:
May. 17, 2012
Applicants:
Doo Ho Choi, Cheonan-si, KR;
Yong-je Choi, Daejeon, KR;
You Sung Kang, Daejeon, KR;
Ju Han Kim, Daejeon, KR;
Tae Sung Kim, Daejeon, KR;
Kyung Hee OH, Daejeon, KR;
Inventors:
Doo Ho Choi, Cheonan-si, KR;
Yong-Je Choi, Daejeon, KR;
You Sung Kang, Daejeon, KR;
Ju Han Kim, Daejeon, KR;
Tae sung Kim, Daejeon, KR;
Kyung hee Oh, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a method for implementing a symmetric key encryption algorithm against power analysis attacks, including: generating and storing an affine transform table; generating and storing a masked inversion table; and operating a masked S-box using the affine transform table and the masked inversion table.