Matches 1 - 50 out of 98 1 2 >


Match Document Document Title
US20100046752 System and Method for Security Processing Media Streams  
A system for multi-stream security processing and distributing digital media streams includes a headend, a network, and at least one receiver. The headend is generally configured to generate...
US20160099921 FINE GRAIN RIGHTS MANAGEMENT OF STREAMING CONTENT  
The present invention provides methods, apparatuses, and systems for delivering protected streaming content to a receiving device. In an aspect of the present invention, a broadcaster provides...
US20060182279 Secure conditional access port interface  
An apparatus and method thereof for providing a secure path for a digital signal in an intelligent transceiver such as a bi-directional set-top box. A digital signal (e.g., a broadcast signal or a...
US20050102702 Cablecard with content manipulation  
A CableCARD device for manipulation of a stream of data has an inband data input for receiving a stream of data from a host, the stream of data having a plurality of packets each having a packet...
US20050262529 Method, apparatus and system for remote real-time access of multimedia content  
A method, apparatus and system for remote real-time access of personal multimedia content is disclosed. One embodiment of the present invention enables users to securely access their personal...
US20140010367 SYSTEMS AND METHODS FOR PROVIDING CONTENT TO A WIRELESS DISPLAY SCREEN  
Systems and methods are described for minimizing power consumption of a mobile user device that transfers content from an internal or external memory module to a wireless display. The content may...
US20100058052 METHODS, SYSTEMS AND DEVICES FOR SECURING SUPERVISORY CONTROL AND DATA ACQUISITION (SCADA) COMMUNICATIONS  
A secure supervisory control and data acquisition (SCADA) system includes a SCADA control host system and any number of remote terminal unit (RTU) systems. Each RTU system includes an RTU...
US20130301830 DEVICE, SYSTEM, AND METHOD OF SECURE ENTRY AND HANDLING OF PASSWORDS  
Devices, system, and methods of secure entry and handling of passwords and Personal Identification Numbers (PINs), as well as for secure local storage, secure user authentication, and secure...
US20110170688 CLIENT-SIDE PROTECTION OF BROADCAST OR MULTICAST CONTENT FOR NON-REAL-TIME PLAYBACK  
A system and method are disclosed for providing client-side protection of broadcast or multicast multimedia content for non-real-time playback. A set-top box function receives a request to record...
US20070006253 PARTIAL PRE-ENCRYPTION WITH NETWORK-BASED PACKET SORTING  
Partial pre-encryption with network-based packet sorting. A video-on-demand (VOD) delivery system for delivering encrypted transport streams to incumbent and overlay set-top boxes utilizes a...
US20080216145 System and Method for Media Transmission  
System and method for transmitting and protecting media data set in a data communication medium. The invention provides encryption of media data and authorization prior to the media data being...
US20130058481 FUZZY PROTECTION OF VISUAL CONTENT  
A method and system for scrambling visual information are, described. An image, preferably in an incompressed format, is divided into a number of patterns having a different aspect ratio. Each...
US20050195976 System for protecting information content  
System for protecting copyrighted information, e.g., video signals, from unauthorized copying. Analog red (R), green (G) and blue (B) video signals are transmitted from a source device, e.g., a...
US20120237029 METHOD AND SYSTEM FOR MAINTAINING SECURE DATA INPUT AND OUTPUT  
Methods and systems for enhancing the security of data during input and output on a client computer system are provided to prevent attempts by unauthorized code to access, intercept, and/or modify...
US20110150217 METHOD AND APPARATUS FOR PROVIDING VIDEO CONTENT, AND METHOD AND APPARATUS REPRODUCING VIDEO CONTENT  
A method of providing video content, the method comprising generating a basement layer and a plurality of enhancement layers by performing scalable video coding on a piece of video content;...
US20110311044 PROVIDING CONTROL WORDS TO A RECEIVER  
A method and a system for providing control words to at least one a receiver are described wherein said receiver is associated with a secure module. The method comprises the steps of receiving at...
US20100232604 CONTROLLING ACCESS TO CONTENT USING MULTIPLE ENCRYPTIONS  
Controlling access to content using multiple encryptions, including: receiving content comprising media data; first encrypting a substantial portion of the content using a primary key; selecting a...
US20080137850 METHOD AND SYSTEM FOR A GENERIC KEY PACKET FOR MPEG-2 TRANSPORT SCRAMBLING  
Methods and systems for a generic key packet for MPEG-2 transport scrambling and descrambling are disclosed and may comprise descrambling multiple package identifier channels in a transport stream...
US20080019517 Control work key store for multiple data streams  
An apparatus may include circuitry, a cryptographic module, and a key store. The circuitry may hold a private key associated with first media information. The cryptographic module may operate on...
US20140314234 RECOVERABLE DIGITAL CONTENT DEGRADATION  
The disclosure relates generally to processing audio and video signals. One claim recites an apparatus comprising: electronic memory for storing a media signal, the media signal comprising...
US20120082311 CONTENT PROTECTION USING BLOCK REORDERING  
An apparatus and method for protecting a content item such as a digitally encoded movie, an electronic programming guide, or the like, by reordering blocks of the content item prior to...
US20080205644 Method for encrypting and decrypting an image frame  
An apparatus for encrypting an image frame generates a key frame, performs XOR with the image frame and the key frame to generate a temporary image frame, and changes positions of blocks of the...
US20050144634 Method for providing pay-TV service based on session key  
Disclosed is a method for providing a pay-TV service based on a session key. The method includes the steps of: selecting a desired pay event using a program guide displayed on a system of the...
US20070101358 Method and system of authenticating host  
A method of authenticating a host used to unscramble scrambled television signals. The method including authenticating the host in response to receiving a correct reply to a question and answer...
US20050280705 Portable receiver device  
A portable receiver device that comprises of a receiver component for receiving audio and video signals from a remote source and a viewing component for viewing local content and a display for...
US20100208892 Methods and devices for digital content protection  
Methods and devices for controlling access to digital content. The digital content is split into at least one code part and one scrambled part. A codec of a user device finds that the first part...
US20090316894 METHOD AND APPARATUS FOR CHECKING CONSISTENCY BETWEEN DIGITAL CONTENTS  
The present invention discloses a method and apparatus for checking consistency between digital contents, pertaining to digital rights management technologies. The method includes: extracting...
US20060133610 Method and system for a secure high bandwidth bus in a transceiver device  
A transceiver system for receiving content contained in a secure digital broadcast signal including a first component for generating a data stream from a received digital broadcast signal coupled...
US20170064408 METHOD AND SYSTEM FOR PROVIDING ACCESS TO A VIDEO CONTENT  
Disclosed is a method for providing access to a video content. The method comprises providing a first encryption key, recording a first video with at least one video camera and encrypting the...
US20140105392 METHOD FOR SELECTIVELY SCRAMBLING BIT-STREAMS  
A method for selectively scrambling a coded bit-stream is disclosed. The method comprises a step of determining at least one modifiable part in the coded bit-stream, wherein the compliance,...
US20050198662 Content distribution system  
The content distribution system of the invention changes over the content distribution destination between terminals which have different content receiving formats. The terminals comprise means...
US20170171166 Anti-hotlinking method and electronic device  
Disclosed are an anti-hotlinking method and an electronic device. The method includes: receiving request information sent by a client for acquiring a video file; determining a video file...
US20120063595 METHOD AND APPARATUS FOR SELECTIVE DATA ENCRYPTION  
A layered audiovisual packet data stream, such as one obtained by a JPEG2000 encoder, is received together with information (metadata) about the contribution of each packet to the reduction of...
US20100253847 TWO-STAGE DIGITAL PROGRAM INSERTION SYSTEM  
Apparatus and methods are provided for inserting advertisements and/or to perform grooming functions after a video, audio and/or data stream has been transrated and/or encrypted. In this manner,...
US20080279377 METHOD AND SYSTEM FOR SCRAMBLING MEDIA DATA IN REAL TIME  
A method for scrambling media data in real time solves the problems of heavy load on related devices and high requirements on their performance when multiple scrambling components scramble the...
US20070291938 System, method and apparatus for transmitting high definition signals over a combined fiber and wireless system  
A system, method, and apparatus that improves the efficiency of HD content delivery systems. An embodiment of the invention eliminates unnecessary encoding overhead due to TMDS encoding in HD...
US20160012772 DISPLAY WITH SECURE DECRYPTION OF IMAGE SIGNALS  
A display securely decrypts an encrypted image signal. Pixels are disposed between the display substrate and cover in a display area, and provide light to a user in response to a drive signal....
US20150304736 TECHNOLOGIES FOR HARDENING THE SECURITY OF DIGITAL INFORMATION ON CLIENT PLATFORMS  
Technologies for hardening the security of digital information on a client device are described. In some embodiments, the client device includes a secure processing environment such as a secure...
US20080118062 System, Methods, Apparatuses, and Computer Program Products for Providing a Private Multiple Screen  
An apparatus for providing a private multiple screen includes a signal modification element and a communication element. The signal modification element is configured to apply a privacy operation...
US20070160207 Method for matching a reception terminal with a plurality of access control cards  
The invention related to a method for matching reception equipment (2) with a plurality of security modules (6, 8) each having a unique identifier. The method according to the invention comprises...
US20090316892 Crypto micro-module using IEEE 1394 for stream descrambling  
In certain embodiments, a television receiver circuit has a tuner circuit and a demodulator circuit that cooperatively produce a digital transport stream for a tuned channel as an output...
US20140086409 PERSONALIZED WHITEBOX DESCRAMBLERS  
The invention prevents intercepted keys from being used in unauthorized whitebox descrambler modules for the decryption of a ciphertext. Hereto a receiver with a personalized whitebox descrambler...
US20100218207 METHOD AND APPARATUS TO DETECT PREVIEW OF ENCRYPTED CONTENT  
A method and apparatus detects a presence of a change in encryption status of video information, such as a preview, in a video stream. The method and apparatus issues notification information such...
US20110185179 System And Method For Digital Rights Management With A Lightweight Digital Watermarking Component  
Various embodiments of a system and method for digital rights management with a lightweight digital watermarking component are described. Embodiments may include methods as well as elements for...
US20160014456 ADAPTABLE ENCRYPTION DEVICE AND METHODS FOR USE THEREWITH  
A video processing device includes a data segmentation generator that receives a domain selection, n, and that segments input A/V data into n data blocks. An encryption processing device receives...
US20110188652 ENCRYPTION APPARATUS, DECRYPTION APPARATUS, ENCRYPTION METHOD, AND DECRYPTION METHOD  
An encryption part (103) inputs a picture data packet (110) including I slice data which is used for intra-frame prediction and a processing on which starts from leading data at a time of data...
US20140086407 Conditional Access to Encrypted Media Content  
A method and apparatus for processing encrypted content distributed for end users in multiple services includes receiving entitlement information for a subset of at least two of the services...
US20110099591 SECURE WIRELESS PAIRING OF DIGITAL TV SHORT-RANGE TRANSMITTER AND RECEIVER  
Embodiments of wireless display of digital content include transmission using a television transmission standard, such as a set of standards defined by the Advanced Television Systems Committee...
US20110064219 IPTV SECURITY IN A COMMUNICATION NETWORK  
A method of setting up a secure IPTV session. An Application Server (AS) receives an invite message from an IPTV receiving node such as a mobile telephone or a Set Top Box to set up an IPTV...
US20080159532 Architecture for supporting high definition content protection decryption over high definition multimedia interface links  
In one embodiment, the present invention includes a method for receiving a first encrypted data stream in a cipher, receiving parsed condition information in a first state machine, where the...

Matches 1 - 50 out of 98 1 2 >