Data processing apparatus for digital copyrights management

Details Data processing apparatus for digital copyrights management Data processing apparatus for digital copyrights management

2004-09-20

2009-06-16

Cervetti, David García (Department: 2436)

Information security

Prevention of unauthorized use of data including prevention...

Access control

C726S026000, C726S029000, C726S032000, C380S030000, C380S258000, C380S285000, C380S277000, C380S282000, C705S059000, C705S051000

Reexamination Certificate

active

07549172

ABSTRACT:
Data processing apparatus distributes a public key certificate and information about a private key to a user terminal as activation information separately from a terminal module. In the case where the public key certification is vulnerable, it transmits only the activation information again.

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