Information security – Prevention of unauthorized use of data including prevention... – Access control
Reexamination Certificate
2011-01-18
2011-01-18
Smithers, Matthew B (Department: 2437)
Information security
Prevention of unauthorized use of data including prevention...
Access control
C726S030000, C705S026640, C705S057000
Reexamination Certificate
active
07874012
ABSTRACT:
Content processing is disclosed. An indication that a sender desires to send encrypted content to a destination is received. An agreement is obtained from the sender to provide an access key to a node other than the destination and to encrypt content sent to the destination using an encryption key selected such that the access key is usable to decrypt the content.
REFERENCES:
patent: 6611812 (2003-08-01), Hurtado et al.
patent: 7188087 (2007-03-01), Goldstein
patent: 2006/0005254 (2006-01-01), Ross
patent: 1850263 (2007-10-01), None
Bogdan C. Popescu, Bruno Crispo, Andrew S. Tanenbaum, Frank L.A.J. Kamperman, “A DRM security architecture for home networks”, Oct. 2004, DRM '04: Proceedings of the 4th ACM workshop on Digital rights management, Publisher: ACM, pp. 1-10.
Andruss William
Claudatos Christopher Hercules
Leetch Bruce
Porter Jeffrey K.
EMC Corporation
Fields Courtney D
Smithers Matthew B
Van Pelt & Yi & James LLP
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