Resources Contact Us Home
Inter-server communication using request with encrypted parameter

Image Number 6 for United States Patent #6970849.

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. The fulfillment site may be implemented as several server devices, each having a cache which stores frequently downloaded content items, in which case the asynchronous fulfillment pipeline may also be used to invalidate the cache if a change is made at one server that affects the cached content items. An activation site provides an activation certificate and a secure repository executable to consumer content-rendering devices which enables those content rendering devices to render content having an enhanced level of copy-resistance. The activation site "activates" client-reading devices in a way that binds them to a persona, and limits the number of devices that may be activated for a particular persona, or the rate at which such devices may be activated for a particular persona.

  Recently Added Patents
Cooling method and device for cooling a medium-voltage electrical installation in a protective sheath
Distributed multicast packet replication with centralized quality of service
Wound dressings
Data processing apparatus including reconfigurable logic circuit
Integrating map-reduce into a distributed relational database
System and apparatus for control of published content
Metal halide lamps with fast run-up and methods of operating the same
  Randomly Featured Patents
Combined water resistant flashlight, radio, siren and emergency signal light
High-pressure gas discharge lamp having tubular electrodes
Indicator shelf for portable electronic device
Real-time quantification of multiple targets on a micro-array
Reagent container for automated analyzer
Semiconductor device having dual isolation structure and method of fabricating the same
Wedgelock for electronic circuit card module
Drive force control method for four-wheel drive vehicle
Tip end of a golf club shaft
Method for treating waste-activated sludge using elecroporation