System and method for securing the life-cycle of user domain rights objects

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United States of America Patent

PATENT NO 9430620
APP PUB NO 20150121551A1
SERIAL NO

14551772

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Abstract

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In a method for enabling support for backwards compatibility in a User Domain, in one of a Rights Issuer (RI) and a Local Rights Manager (LRM), a Rights Object Encryption Key (REK) and encrypted REK are received from an entity that generated a User Domain Authorization for the one of the RI and the LRM and the REK is used to generate a User Domain Rights Object (RO) that includes the User Domain Authorization and the encrypted REK.

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Patent Owner(s)

  • GOOGLE TECHNOLOGY HOLDINGS LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kravitz, David W Fairfax, US 45 1531

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