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BOCA PATENTS BY
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Super-distribution of protected digital content

Invented by: Marco M. Hurtado
Boca Raton, FL

James C. Mahlbacher
Lake Worth, FL

Richard L. Spagna
Boca Raton, FL

Originally Assigned to: International Business Machines Corporation
Armonk, NY
[Now assigned to . . .]

Issued:2006-01-03
Filed:2000-11-13
Application No:09711431
Examined by:Barron, Jr.; Gilberto

Briefly according to the present invention, a system, computer readable medium and method to deliver encrypted digital content to from a first system for playing the content to a second system for playing the content. The method on the first user system comprising the steps of: reading from a computer readable medium metadata which has previously been associated with the content; selecting from the metadata associated content to decrypt; establishing a secure connection with an authorization authority, such as a clearinghouse, for decrypting the key used to encrypt the content; receiving a secure container containing the decrypting key for decrypting at least part of the previously encrypted content as permitted; decrypting the content and then encrypting the content with a new encryption key that is generated locally on the end user system.

[pdf] U.S. Pat. No. 6,983,371

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