System and method for providing authorized access to digital...

Details System and method for providing authorized access to digital... System and method for providing authorized access to digital...

2005-09-16

2008-07-22

Moazzami, Nasser (Department: 2136)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S200000, C725S086000, C725S087000, C725S025000

Reexamination Certificate

active

07404082

ABSTRACT:
Described herein are embodiments that provide an approach to cryptographic key management for a digital rights management (DRM) architecture that includes multiple levels of key management for minimizing bandwidth usage while maximizing security for the DRM architecture. In one embodiment, there is provided a data structure for cryptographic key management that includes a public/private key pair and three additional layers of symmetric keys for authorizing access to a plurality of contents.

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