发明授权
US07668316B2 Method for encrypting and decrypting metadata 有权
加密和解密元数据的方法

Method for encrypting and decrypting metadata
摘要:
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.
信息查询
0/0