Adobe, Inc.

James Wicker

David Coblentz

Matt Poling

Grant H Williard

Briefly, in accordance with one embodiment of the invention, a plug-in type application may intercept called functions in order to implement one or more security or digital rights management type settings, and/or one or more policies for a given document where such functions may be restricted, prohibited, and/or otherwise controlled. Patch code may be integrated with such controlled functions to modify the behavior of the function when executed in order to comply with the security or digital rights management setting, and/or one or more policies.

Interception of controlled functions

Method and apparatus for locally caching rights management information for objects and operations in user sessions. A rights caching component may be implemented in network-based computer environments for which digital rights management (DRM) is applied to large collections of objects, such as Computer-Aided Design (CAD) environments. DRM information may be stored and managed by a rights management server. A rights caching component on a workstation may create and manage a local cache of a subset of the DRM information for objects that may be used in a session. Determining the appropriate rights for operations and objects during the session may be performed by accessing the local cache of DRM information. The local cache of DRM information may be encrypted or otherwise protected. The rights caching component may periodically or aperiodically synchronize the local cache of DRM information with the DRM information managed by the rights management server.

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San Jose, CA, United States of America

James Wicker