Lerner, David, Littenberg, Krumholz & Mentlik, LLP
Apparatus and method for controlling data access using encrypted link position information
An access restriction apparatus, an access restriction method, a computer readable program storage medium having a recorded access restriction program, and the access restriction program, all capable of making a terminal refer only to management information existing at a position designated by link position information. An access restriction apparatus for limiting the access of terminals desiring access to managed management information is provided with a supply section for supplying the terminals with partially or totally encrypted link position information indicating a linking destination of the management information, and an access management section for managing the access of the terminals to the management information based on the link position information decoded by the terminals.
Sony Corporation
H G H G
H04L G06F H04L G06F
inventional inventional inventional inventional
Nobutoshi Masayuki Takeshi Shinichi
Furuya Takeuchi Yoshino Kitoh