Management method of rights of a content encrypted and...

Details Management method of rights of a content encrypted and... Management method of rights of a content encrypted and...

2007-06-05

2007-06-05

Zand, Kambiz (Department: 2134)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S175000, C713S176000, C380S200000, C380S239000

Reexamination Certificate

active

10320554

ABSTRACT:
A method for storing an event encrypted by control words guarantees access to this event at any moment, even if identities of these events are modified between storage and the moment of viewing. The method is performed in a reception and decryption unit connected to a security unit, the control words and the necessary rights being contained in control messages the method comprising the steps of storing the encrypted event and associated control messages in the storage unit; transmitting the control messages to the security unit; verifying if the access rights to this event are contained in the security unit and, if so, calculating a receipt of all or part of the control message using a secret unique key contained in the security unit; and storing the receipt in the storage unit.

REFERENCES:
patent: 6385317 (2002-05-01), Rix et al.
patent: 6697489 (2004-02-01), Candelore
patent: 2001/0046299 (2001-11-01), Wasilewski et al.
patent: 2002/0044658 (2002-04-01), Wasilewski et al.
patent: 2002/0067376 (2002-06-01), Martin et al.
patent: 2002/0099948 (2002-07-01), Kocher et al.
patent: 2003/0108199 (2003-06-01), Pinder et al.
patent: 0 912 052 (1999-04-01), None

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