Systems and methods for providing secure server key operations

Details Systems and methods for providing secure server key operations Systems and methods for providing secure server key operations

2007-02-06

2007-02-06

Zand, Kambiz (Department: 2132)

Cryptography

Key management

C380S278000, C380S028000, C380S030000, C380S044000, C380S282000, C380S285000, C713S156000, C713S157000, C713S171000, C713S175000, C705S057000, C709S203000

Reexamination Certificate

active

10185641

ABSTRACT:
A key management interface that allows for different key protection schemes to be plugged into a digital rights management system is disclosed. The interface exposes the functionality of signing data, decrypting data encrypted using a public key, and re-encrypting data encrypted using the public key exported by the interface to a different authenticated principal (i.e., a different public key). Thus, a secure interface can be provided such that the data does not enter or leave the interface in the clear. Such an interface exports private key operations of signing and decryption, and provides security and authentication for the digital asset server in licensing and publishing. During publishing, a client can encrypt asset keys such that only a specified entity can decrypt it, using a plug-in, for example, that implements the aforementioned interface. During licensing, the license issuing entity can use the interface to decrypt keys for assets and to sign licenses and rights labels such that the asset is protected and consumable by a host digital rights management platform. The interface thus provides an abstraction for key operations.

REFERENCES:
patent: 6229894 (2001-05-01), Van Oorschot et al.
patent: 2002/0056043 (2002-05-01), Glass
patent: 2002/0103857 (2002-08-01), Soderberg et al.
patent: 2003/0115457 (2003-06-01), Wildish et al.
patent: 2003/0216940 (2003-11-01), Sobel
patent: 2004/0001594 (2004-01-01), Krishnaswamy et al.
patent: 2005/0060266 (2005-03-01), DeMello et al.
Hong, S. et al., “On the construction of a powerful distributed authentication server without additional key management”,Computer Communications, 2000, 23, 1638-1644.
Managing Digital Rights in Online Publishing, “How two publishing houses maintin control of copyright”Information Management&Technology, 2001, 34(4), 168-169.
Jakobsson, M. et al., “Proprietary Certificates”,Topics in Cryptology, 2002, 164-181.
Kumik, P. “Digital Rights Management”,Computers and Law, 2000, 11(4), 14-15.
Torrubia, A. et al., “Cryptography regulations for E-commerce and digital rights management”,Computers&Security, 2001, 20(8), 724-738.
Zwollo, K. “Digital document delivery and digital rights management”,Information Services&Use, 2001, 9-11.

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