Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hyo-seop Shin0
Yun-sang Kim0
Yun-ho Choi0
Dong-ho Lee0
Yang-Iim Choi0
Date of Patent
February 23, 2010
0Patent Application Number
106534660
Date Filed
September 3, 2003
0Patent Primary Examiner
Patent 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.
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