Content processing apparatus and content protection program

Details Content processing apparatus and content protection program Content processing apparatus and content protection program

2002-10-11

2009-02-03

Zia, Syed A. (Department: 2131)

Information security

Prevention of unauthorized use of data including prevention...

C726S028000, C726S029000, C726S030000, C726S031000, C726S032000, C380S247000

Reexamination Certificate

active

07487547

ABSTRACT:
A contents processing device permitting, when contents are to be stored in a recording medium, only a specified device to read out the stored contents is to be provided, and a contents processing device capable, where it is a mobile telephone, of flexibly adapting to a change of a unique telephone number or a type of the mobile telephone. For the purpose, the contents processing device for inputting and outputting contents to and from a recording medium is provided with contents storage means (RAM) for storing contents, an ID storage unit (ROM) for storing an ID capable of identifying the contents processing device, a recording medium input/output unit (memory card I/F) for inputting to and outputting from the recording medium, and a ciphering unit (ciphering program) for enciphering contents within the contents storage unit by use of a ciphering key generated from the ID within the ID storage unit and storing it from the recording medium input/output unit into the recording medium.

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