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US 2007/0185814 A1Published application
Digital rights management engine systems and methods
AssigneeIntertrust Technologies Corporation
InventorsGilles Boccon-Gibod, Julien Boeuf, Michael Manente, William Bradley
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Abstract
Systems and methods are described for performing digital rights management. In one embodiment, a digital rights management engine is provided that evaluates license associated with protected content to determine if a requested access or other use of the content is authorized. In some embodiments, the licenses contain control programs that are executable by the digital rights management engine.
Claims7
A method of managing enterprise documents, the method comprising:
- authoring an electronic document using a first software application;
- using a digital rights management plug-in to encrypt the document and associate a license therewith, the license comprising a control program requiring, in order to obtain access to the document, possession of a set of one or more link objects logically connecting a node associated with a first device to a node associated with a first group of users, the license further comprising an encrypted version of a first key operable to decrypt the document;
- sending the document to a remote computer system;
- determining that the remote computer system has possession of a set of one or more link objects logically connecting the remote computer system to the node associated with the group of users, wherein one of the one or more links comprises an encrypted version of a second key operable to decrypt the first key;
- upon completion of the determining step, decrypting the second key using a key associated with the remote computer system;
- decrypting the first key using the second key;
- and
- decrypting the document using the first key.
5 more elements
Dependencies are inferred from the claim text.