Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2007-11-13
2007-11-13
Zand, Kambiz (Department: 2134)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S189000, C713S164000
Reexamination Certificate
active
10178256
ABSTRACT:
Methods, systems and architectures for processing renderable digital content are described. The various embodiments can protect against unauthorized access or duplication of unprotected content (i.e. decrypted content) once the content has reached a rendering device such as a user's computer. A flexible framework includes an architecture that allows for general media sources to provide virtually any type of multimedia content to any suitably configured rendering device. Content can be protected and rendered locally and/or across networks such as the Internet. The inventive architecture can allow third parties to write components and for the components to be securely and flexibly incorporated into a processing chain. The components can be verified by one or more authenticators that are created and then used to walk the chain of components to verify that the components are trusted. The various embodiments can thus provide a standard platform that can that can be leveraged to protect content across a wide variety of rendering environments, content types, and DRM techniques.
REFERENCES:
patent: 5473692 (1995-12-01), Davis
patent: 5983350 (1999-11-01), Minear et al.
patent: 6058476 (2000-05-01), Matsuzaki et al.
patent: 6157721 (2000-12-01), Shear et al.
patent: 6209099 (2001-03-01), Saunders
patent: 6363488 (2002-03-01), Ginter et al.
patent: 6374355 (2002-04-01), Patel
patent: 6772340 (2004-08-01), Peinado et al.
patent: 6799270 (2004-09-01), Bull et al.
patent: 6816596 (2004-11-01), Peinado et al.
patent: 6829708 (2004-12-01), Peinado et al.
patent: 2001/0044782 (2001-11-01), Hughes et al.
patent: 2002/0002674 (2002-01-01), Grimes et al.
patent: 2002/0010863 (2002-01-01), Mankefors
patent: 2002/0012432 (2002-01-01), England et al.
patent: 2002/0049679 (2002-04-01), Russell et al.
patent: 2003/0084306 (2003-05-01), Abburi et al.
patent: 2003/0115147 (2003-06-01), Feldman et al.
patent: 2003/0159037 (2003-08-01), Taki et al.
patent: 2004/0010684 (2004-01-01), Douglas
patent: 2005/0010766 (2005-01-01), Holden et al.
patent: 1 120 967 (2001-08-01), None
patent: WO 01/52020 (2001-07-01), None
“Using Windows Media Rights Manager to Protect and Distribute Digital Media” Windows Media Technologies, (Online) Dec. 1, 2001, XP002307161 Retrieved from the internet: URL:http://msdn.microsoft.com/msdnmag/issues/01/12/DRM/print.asp> 13 pages.
Choudhury, A., et al., “Copyright Protection for Electronic Publishing Over Computer Networks”, IEEE Network, May/Jun. 1995, pp. 12-20.
Bajikar, Sundeep, “Trusted Platform Module (TPM) based Security on Notebook PCs—White Paper,” Mobile Platforms Group Intel Corporation, Jun. 20, 2002, retrieved from the Internet: <URL:http://www.intel.com/design/mobile/platform/downloads/Trusted—Platform—Module—White—Paper.pdf>retrieved on Oct. 28, 2003, pp. 1-20.
Intel Corporation, IBM Matsushita, Toshiba, “Content Protection System Architecture A Comprehensive Framework for Content Protection,” Feb. 17, 2000, retrieved from the Internet: <URL:http://www.4centity.com/data/tech/cpsa/cpsa081.pdf>, retrieved Oct. 28, 2003, pp. 1-19.
Bradstreet John
Evans Glenn F.
Lee & Hayes PLLC
Microsoft Corporation
Szymanski Thomas
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