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:
Feb. 23, 2010
Filed:
Sep. 03, 2003
Applicants:
Yang-iim Choi, Seongnam-si, KR;
Yun-sang Kim, Suwon-si, KR;
Yun-ho Choi, Seoul, KR;
Hyo-seop Shin, Seoul, KR;
Dong-ho Lee, Seoul, KR;
Inventors:
Yang-Iim Choi, Seongnam-si, KR;
Yun-sang Kim, Suwon-si, KR;
Yun-ho Choi, Seoul, KR;
Hyo-seop Shin, Seoul, KR;
Dong-ho Lee, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of encrypting metadata that can be represented by a tree structure. The method involves generating an encryption key for a predetermined node of the metadata using a function that takes as input parameters an encryption key for an upper node of the predetermined node and information specifying the predetermined node, and encrypting data of the predetermined node using the generated encryption key.