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:
Apr. 29, 2014
Filed:
Oct. 28, 2011
Yun-kyung Lee, Daejeon, KR;
Sin Hyo Kim, Daejeon, KR;
Byung Ho Chung, Daejeon, KR;
Sang Woo Lee, Daejeon, KR;
Hyeran Mun, Daejeon, KR;
Sokjoon Lee, Daejeon, KR;
Gun Tae Bae, Daejeon, KR;
Jung Yeon Hwang, Daejeon, KR;
Hyun Sook Cho, Daejeon, KR;
Yun-Kyung Lee, Daejeon, KR;
Sin Hyo Kim, Daejeon, KR;
Byung Ho Chung, Daejeon, KR;
Sang Woo Lee, Daejeon, KR;
Hyeran Mun, Daejeon, KR;
Sokjoon Lee, Daejeon, KR;
Gun Tae Bae, Daejeon, KR;
Jung Yeon Hwang, Daejeon, KR;
Hyun Sook Cho, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A data encoding apparatus for verifying data integrity by using a white box cipher includes: an encoding unit for encoding content by using a white box cipher table; and an arithmetic logic unit for performing an arithmetic logic operation on the white box cipher table and content information to output an encoded white box cipher table. The arithmetic logic operation is an exclusive OR operation. The content information is license information of the content or hash value of the license information of the content.