Method of rights management for streaming media
First Claim
1. An arrangement for managing rights to streaming media using a management mechanism based on a content object and a rights object, where said content object comprises means for initiation of said streaming media and said rights object comprises usage rules defining the rights to use said content object and/or said streaming media.
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Abstract
The present invention relates to an arrangement, system and method for managing rights to streaming media using a management mechanism based on a content object and a rights object. In accordance with the invention the content object comprises means for initiation of the streaming media and the rights object comprises usage rules defining the rights to use said streaming media. The invention also relates to a method of delivering and protecting digital streaming media. The initiation may comprise a session description of the streaming media, a SDP description, a URL to said streaming media or a SMIL file. Preview and super-distribution are provided. The content object is delivered like a downloadable object in a rights management system for download, thereby reusing the mechanisms for rights management of said latter system for rights management in a system for transmission of streaming media.
222 Citations
37 Claims
- 1. An arrangement for managing rights to streaming media using a management mechanism based on a content object and a rights object, where said content object comprises means for initiation of said streaming media and said rights object comprises usage rules defining the rights to use said content object and/or said streaming media.
- 7. A method of managing rights to streaming media using a management mechanism based on a rights object and an associated content object, said rights object comprising usage rules defining the rights to use said content object and/or said streaming media, said method further comprising the step of providing said content object with an initiation description for said streaming media.
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17. A system for delivering digital streaming media and for managing rights to said digital media, wherein management of the rights uses a mechanism based on rights object and an associated content object, comprising:
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server means for providing said streaming media, means for generating a content object means for generating a rights object, means for generating content key means for use in cryptographic protection of at least part of said content object and for generating media key means for use in cryptographic protection of said media when streamed, said system further comprising;
means for generating an initiation description for said streaming media, and means for storing said media key means and for allowing retrieval of said stored media key means for use in said cryptographic protection of said streaming media. - View Dependent Claims (18)
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19. A method of delivering and protecting digital media using a management mechanism based on content object and a rights object, said digital media being streamed from a streaming server to a client, the method also allowing rights management of the streamed digital media and/or management of said content object, said method comprising the steps of:
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the client requesting delivery of the digital media at a distribution server that contains information on the digital media, said distribution server in response to said request delivering to the client a content object comprising a first portion containing meta data and a second portion containing a initiation description for the streaming media and cryptographic media key means for use in protection of the streaming media, said content object being protected with cryptographic content key means, said distribution server in response to said request also delivering to the client a rights object containing usage rules defining the rights to use said content object and/or said streaming media, said rights object further comprising said content key means, the client upon receipt of the rights object and the content object enforcing the rights to the content object and/or streaming media based on the information contained in said rights object and accessing said content object by using said content key means so as to read said initiation description, the client, in response to reading of said description, initiating streaming media by setting up a connection between the client and said streaming server, said streaming server, following the set up of said connection, protecting the streaming media using said media key means and delivering the so protected streaming media to the client, the client upon receipt of the protected streaming media accessing the digital media using said media key means and rendering the accessed streaming media according to said usage rules. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification