The Directv Group, Inc.

Inside Secure

Syphermedia International, Inc.

Inside Secure S.a.

Other

Michael A Gorman

Ronald Paul Cocchi

Jacob T Carson

Gregory J Gagnon

Dennis R Flaharty

Matthew A Skubiszewski

Laura O'Donnell

Hans M Hagberg

Frances C McKee-Clabaugh

David Ha

A method and apparatus for brokering the enablement of the communication of encrypted media programs from a plurality of independent broadcasters to a plurality of receivers is disclosed. The system makes use of a pairing key for each provided service, which is differently encrypted by a pairing server and by the broadcaster providing the service. The encrypted versions of the pairing key are decrypted in a first receiver module using information known to the pairing service but not the broadcaster and in a second receiver module using information known to the broadcaster. The pairing key is used to cryptographically bind the first and second receiver modules.

Method and apparatus for supporting multiple broadcasters independently using a single conditional access system

A method and apparatus for controlling a group of the client devices to switch at least one client device of the group of client devices from a first conditional access system to a second conditional access system is disclosed. In one embodiment, the method comprises generating a group identifier identifying the group of the client devices, transmitting a first client device signaling message having the group identifier only to each client device of the identified group of client devices, the group identifier for storage in each client device of the identified group of client devices in non-volatile memory, and transmitting a second client device signaling message to plurality of client devices, the second client device message comprising the group identifier and signaling a switch of each of the identified group of client devices from the first conditional access system to the second conditional access system.

Signaling conditional access system switching and key derivation

A method, apparatus, article of manufacture, and a memory structure for providing a security infrastructure that permits the programming of limited hardware resources that can accept newly downloaded applications and securely support a very large number of services offered by content providers each have the potential to utilize their own independent CAS/DRM system. The CE device owner can consume content from a variety of sources and enable switching among different and existing CAS/DRM security profiles as required by the content provider applications loaded in CE devices.

Method and apparatus for a blackbox programming system permitting downloadable applications and multiple security profiles providing hardware separation of services in hardware constrained devices

A method, apparatus, article of manufacture, and a memory structure for inserting a watermark in a media program is described. In an exemplary embodiment, the method comprises the steps of receiving data comprising the media program in the receiver disposed at a subscriber station, generating a watermark, the watermark generated at least in part according to a secure data processor-unique identifier irreversibly stored in the secure data processor, processing the received data to reproduce the media program, and inserting portions of the generated watermark in the reproduced media program at locations determined at least in part according to the secure data processor-unique identifier to produce a watermarked media program provided for display.

Method and apparatus for hardware-enforced, always-on insertion of a watermark in a video processing path

A method, apparatus, article of manufacture, and a memory structure for securely providing data for use by a hardware device of a receiver. The method utilizes a product provisioning key (PPV) held secure from other entities that can be unlocked and used with a secret value securely and unchangeably stored in the hardware device.

Blackbox security provider programming system permitting multiple customer use and in field conditional access switching

Hardware-enforced, always-on insertion of a watermark in a video processing path

A method and apparatus for securely and remotely enabling the playing of a media program encrypted by a content encryption key over the Internet is disclosed. A license encryption key and a content decryption key are separately and securely transmitted to the receiver. The license encryption key is stored in the CAM and later used to decrypt the content encryption key so that the media program may be recovered.

Method and apparatus for providing secure internet protocol media services

A system and method for adaptive error correction that optimizes bandwidth by taking into account expected, or predicted, interferences. The bandwidth used for error correction is applied judiciously based on the value of the content and the need to receive the content the first time it is broadcast. The present invention further applies local optimizations in the case of spot-beam satellite broadcasts. As each spot corresponds to a particular geographic region, different input parameters may be used, thereby maximizing efficiency.

Adaptive error correction

A system and method for null packet replacement having a global scheduler () select data from a plurality of self-managed queues () to insert in to the data stream in place of null packets. The queues () managed by the global scheduler have rules that are private to each queue Q, Q, . . . QN. The global scheduler () has a set of rules () for prioritizing the queues (). The global scheduler () knows the average data rate for each queue () and has a priority assigned to each queue (). Rules for the global scheduler policy () are limited to the order of service for the queues. The present invention is advantageous in that the order of service may be changed at the global scheduler () without affecting the independent queues ().

Growing community of inventors

Cypress, CA, United States of America

Michael A Gorman