Information security – Prevention of unauthorized use of data including prevention...
Reexamination Certificate
2004-06-18
2010-10-26
Lanier, Benjamin E (Department: 2432)
Information security
Prevention of unauthorized use of data including prevention...
C726S002000, C726S027000, C726S029000, C705S051000, C705S059000
Reexamination Certificate
active
07823208
ABSTRACT:
A server architecture for a digital rights management system that distributes and protects rights in content. The server architecture includes a retail site which sells content items to consumers, a fulfillment site which provides to consumers the content items sold by the retail site, and an activation site which enables consumer reading devices to use content items having an enhanced level of copy protection. Each retail site is equipped with a URL encryption object, which encrypts, according to a secret symmetric key shared between the retail site and the fulfillment site, information that is needed by the fulfillment site to process an order for content sold by the retail site. Upon selling a content item, the retail site transmits to the purchaser a web page having a link to a URL comprising the address of the fulfillment site and a parameter having the encrypted information. Upon following the link, the fulfillment site downloads the ordered content to the consumer, preparing the content if necessary in accordance with the type of security to be carried with the content. The fulfillment site includes an asynchronous fulfillment pipeline which logs information about processed transactions using a store-and-forward messaging service.
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Byrum Frank D.
DeMello Marco A.
Hughes Kathryn E.
Keely Leroy B.
Yaacovi Yoram
Lanier Benjamin E
Microsoft Corporation
Woodcock & Washburn LLP
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