Google Inc.

Other

Freescale Semiconductor,inc.

Metrowerks Corporation

Jeffrey Lee Tinker

Glenn A Morten

Charles Duncan MacLean

Brian Andrew Baker

Edward Charles Hiar

Peter S Lee

Richard Donald Ellis

Derrick Jason Birum

James E Veres

Michael Rutman

Oscar Veniaminovich Zhuk

Hamid Ali

Andre Jacobs

A system, apparatus, and method are directed to providing digital copy protection of media using a subscriber/publisher architecture. In one embodiment, a publisher employs various dynamic and/or static tamper detection, including, filter graph change detectors, ICE detectors, screen scraping detectors, debugger detectors, pattern recognizers, or the like. When a tampering event is detected by one or more of the publishers, the tamper event may be published for access by a subscriber. Published tamper events may be pushed to or pulled by the subscribers. When one or more subscribers receive the tamper event, the subscriber(s) may perform one or more tamper response actions according to various business rules, and/or other core rules.

Tamper prevention and detection for video provided over a network to a client

A system, apparatus, and method are directed towards managing entitlement/right revocation and delivery to be performed within a non-addressable media network. Such networks may include for example a client device behind a network address translation (NAT) device, employs non-addressable satellite components, or so forth. A server notifies clients that entitlements, revocations, or the like are available by sending a request for communications with the client. The client initiates a connection to receive the entitlements, or the like, and then disconnects from the server. If the client fails to initiate a connection, the server may continue to send a request for a connection, or even change encryption keys to the content to prevent access by the client. In one embodiment, failure to receive an acknowledgement response from the server of a connection with the client, or from the client, may result in invocation of a revocation failure action.

Non-blocking of head end initiated revocation and delivery of entitlements non-addressable digital media network

There is disclosed a process for encrypting a data stream to secure the data stream for single viewing and to protect copyrights of the data stream. Specifically, there is disclosed a process for protecting streaming multimedia, entertainment and communications in an Internet-type transmission. There is further disclosed a streaming server component operably connected with a streaming server that interacts with a client system to affect the inventive process.

Process and streaming server for encrypting a data stream with bandwidth based variation

A distributed storage architecture and tiered caching system are employed in a video-on-demand or streaming media application. An illustrative embodiment of a distributed storage architecture, based on block map caching and virtual file system stackable file system modules, includes a controller, a first computer and a second computer, first and second switches, and a storage device. The first computer includes a local file system and uses this to store asset files in the local file system on the first storage device. The first computer employs a process to create a block map for each asset file, the block map including information concerning boundaries where an asset file is stored on the first storage device.

Distributed storage architecture based on block map caching and VFS stackable file system modules

A software analysis system having a filter for selectively collecting tags generated by a target system during execution of a software program under analysis in accordance to a programmable filtering criteria. The system includes a decoder for decoding the tag type of the tags captured from the data bus of the target system, and a comparator for comparing the tag types to the programmable filtering criteria to determine whether the tag should be collected. The programmable filtering criteria may be programmed by collecting filter tags from the target system, or directly programmed by a software developer using a filtering user interface. The programmable filtering criteria is implemented by a filter table that stores a flag associated with each tag type. The flag is indicative of whether tag data of a respective tag type should be collected. Tag data of the tag types meeting the programmable filtering criteria have timestamp information appended to the tag data and are collected in a tag buffer.

Software analysis system having an apparatus for selectively collecting analysis data from a target system executing software instrumented with tag statements and method for use thereof

A system for modifying a compiled executable code file by adding patches that add functionality when the modified executable code file is executed. The modifying is performed without recompiling, relinking or rewriting the code file. Adding a patch involves creating a patch handler which when executed causes the patch statements to be executed, and may involve replacing one or more existing compiled instructions in the file with patching instructions to transfer flow of execution to the appropriate patch handler. The instructions replaced by the patching instructions can also be added to the patch handler. Patches can also include code statements which form a complete module, such as an invokable routine, which can be referenced by other patch statements to cause the module to be executed. Specialized trace requests can also be added as patch statements. The trace requests will make specified information about the current execution of the executable code file available to a software developer. Patch statements can include variables and expressions that will be evaluated in the context of the appropriate current variable scope, regardless of whether the scope is defined within the patch or by existing compiled instructions. After patches have been added, they can be disabled so as to prevent their execution without removing the patching instructions from the compiled executable file. Patches can also be qualified with conditions such that the patch will be executed only when the conditions are true at the time of execution.

Growing community of inventors

Kenmore, WA, United States of America

Jeffrey Lee Tinker