Sony Corporation

Sony Pictures Entertainment, Inc.

Christopher Taylor

Yoshikazu Takashima

Spencer Stephens

Content individualization, including: encrypting a first part of a source data set using a first key creating a first encrypted data set; encrypting a second part of the source data set using a second key creating a second encrypted data set; encrypting the second part of the source data set using a third key creating a third encrypted data set; and combining the first encrypted data set, the second encrypted data set, and the third encrypted data set to form a final encrypted data set. Key words include watermarking and content individualization.

Content individualization

Delivering, protecting, and playing content, including: executing a content-bound executable application in a trusted execution environment by a player device; performing an integrity check of the player device using the content-bound executable application; sending a request from the player device for update information to at least one of the license server and the content server using the content-bound executable application; receiving update information at the player device from the at least one of the license server and the content server; updating local environment of the player device using the content-bound executable application; and decrypting the content data by the content-bound executable application. Key words include content-bound and executable.

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Culver City, CA, United States of America

Christopher Taylor