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Ambose Bierce
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| Number | Title | Issue Date |
| 8155314 | Systems and methods for securing video card output The various methods and systems described herein are directed to supplying a secure channel for software executing on a host computer. The methods and systems address and provide solutions for an attack model in which rogue software executing on the host computer at... | 04/10/2012 |
| 8144868 | Encryption/decryption of program data but not PSI data At a transmitter, a program is encrypting according to a one program key, the program key is encrypted, and the encrypted program, the encrypted program key, and non-encrypted PSI data to a receiver are transmitted. At a receiver, the encrypted program, the encrypte... | 03/27/2012 |
| 8144867 | Duration computing method in a security module Example embodiments are directed to a duration computing method in a security module inserted into an apparatus including an internal clock. The apparatus may receive a digital data stream encrypted via control words contained in a control message ECM. The method ma... | 03/27/2012 |
| 8090239 | Identification-information recording system, management unit, recording unit and recording control circuit A management server has: an identification-information reproducing unit which reproduces identification information from an optical disk; an invalid-unit intrinsic-information registration section which registers the reproduced identification information; and a rest... | 01/03/2012 |
| 8073142 | Information recording/reproducing device and information recording medium Embodiments protect user data in its entirety from unauthorized access when an authorized user does not access a medium for a predetermined length of time by making encryption key data used to encrypt the user data unavailable. In one embodiment, using a magnetic di... | 12/06/2011 |
| 8036381 | Partial multiple encryption A partial multiple encryption device consistent with certain embodiments has an input for receiving a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output provides the p... | 10/11/2011 |
| 8031868 | Apparatus, method, and computer program product for recording content A content recording apparatus includes a key selecting unit that selects an encryption key for performing an encrypting process to adjunct data from pieces of information recorded on a recording medium, when a user generates the adjunct data which is data derived fr... | 10/04/2011 |
| 8027468 | Method and system for camera sensor fingerprinting Some embodiments of the application provides methods and systems for providing camera fingerprinting by receiving a video frame from a camera, generating a confidence map based on an image characteristic associated with the video frame, generating a signature based ... | 09/27/2011 |
| 8023651 | Block ciphering system, using permutations to hide the core ciphering function of each encryption round In a system, a server provides a digital signal processing function ƒ to an executing device in an obfuscated form. The function ƒ includes a function cascade of signal processing functions ƒi, 1≦i≦N (e.g., FC1(x)≡ƒN∘ . .... | 09/20/2011 |
| 8005216 | Method and apparatus providing confidentiality, integrity and authenticity for a video file A method, apparatus and computer program product for providing confidentiality, integrity and authenticity for a video file is presented. An encryption header is produced for the video file, the video file including a plurality of packets that carry content, the enc... | 08/23/2011 |
| 7970137 | Content reproduction apparatus, content recording apparatus, network system, and content recording/reproduction method Content reproduction apparatus, content recording apparatus, network system, and method of recording and reproducing content are provide. The content reproduction apparatus includes an original content reception section for receiving streams of original content; an ... | 06/28/2011 |
| 7970138 | Method and apparatus for supporting broadcast efficiency and security enhancements A method and apparatus for providing conditional access to media programs is described. An exemplary method comprising the steps of transmitting media information encrypted according to a control word (CW) to a receiver station, transmitting entitlement management i... | 06/28/2011 |
| 7965838 | Watermark generating circuit and related method thereof A watermark generating circuit includes: a first computing circuit, for generating a second reference signal according to a computing parameter, an input data and a first reference signal; a second computing circuit, coupled to the first computing circuit, for gener... | 06/21/2011 |
| 7965839 | Encryption system for satellite delivered television A television content delivery system consistent with certain embodiments has a receiver system that receives television content from a plurality of content suppliers. A selective multiple encrypter selectively multiple encrypts the television content, wherein the re... | 06/21/2011 |
| 7965837 | Method and system for wireless digital video presentation High definition (HD) video may be sent from, e.g., a laptop computer on a table in a room to a video projector mounted on the ceiling using a 60 GHz high capacity (2.5 Gbps) wireless link. At this frequency and data rate, the signal is so short range and directional... | 06/21/2011 |
| 7957528 | Near field registration of home system audio-video device A near field communication (NFC) sticker which stores a key is attached to a new client device. A remote commander in a home network reads the key using a NFC interface and IR-transmits it to a home network server. Once the client is connected to the network, it enc... | 06/07/2011 |
| 7945047 | Cryptographic key distribution system and method for digital video systems A system and method for distribution of cryptographic keys to data encryption and decryption devices used to protect digital video/multimedia data transmitted over a display link between a digital video/multimedia source and a display device are provided. The digita... | 05/17/2011 |
| 7945046 | Decryption processing apparatus, decryption method and image forming apparatus There is described a decryption processing apparatus and an image forming apparatus, which make it possible to prevent the encrypted data from being incorrectly decrypted by employing a wrong decryption key. The decryption processing apparatus for decrypting encrypt... | 05/17/2011 |
| 7933408 | Asynchronous download The claimed subject matter provides a system and/or method that asynchronously disseminates multimedia content to disparate clients. The disclosed system can include a component that receives multimedia content supplied by a multimedia publisher, encrypts or applies... | 04/26/2011 |
| 7933407 | Digital video protection for authenticity verification A method and apparatus for verifying the authenticity and integrity of an ordered sequence of digital video frames, without having access to the original recording, by embedding therein a respective series of digital signatures based on a secret key, or keys, and on... | 04/26/2011 |
| 7925016 | Method and apparatus for descrambling content In accordance with one embodiment, a method for securing control words is provided. The method includes receiving scrambled digital content in a descrambler integrated circuit. The method further includes receiving an encrypted control word in the descrambler integr... | 04/12/2011 |
| 7916864 | Graphics processing unit used for cryptographic processing A graphics processing unit is programmed to carry out cryptographic processing so that fast, effective cryptographic processing solutions can be provided without incurring additional hardware costs. The graphics processing unit can efficiently carry out cryptographi... | 03/29/2011 |
| 7912217 | Customized advertisement splicing in encrypted entertainment sources In one embodiment, a method includes receiving gap information from an entertainment content source configured to provide an entertainment stream associated with a contributing source information providing a source of the entertainment stream and a chronological ord... | 03/22/2011 |
| 7894603 | Recording system and method, recording device and method, input device and method, reproduction system and method, reproduction device and method, recording medium, and program A recording system and method, a recording apparatus and method, an input device and method, a playback system and method, a playback apparatus and method, a recording medium, and a program in which content can be flexibly protected according to whether the content ... | 02/22/2011 |
| 7876898 | Block ciphering system, using permutations to hide the core ciphering function of each encryption round In a system, a server provides a digital signal processing function ƒ to an executing device in an obfuscated form. The function ƒ includes a function cascade of signal processing functions ƒi, 1≦i≦N (e.g., FC1(x)≡ƒN∘ . .... | 01/25/2011 |
| 7869594 | Digital broadcasting receiving system and digital broadcasting receiving device A digital broadcasting receiving system is provided. The digital broadcasting receiving system includes an information processing device for executing a loader, a main process, and a supervisory process, a digital broadcasting receiving device detachably connected t... | 01/11/2011 |
| 7848519 | Video information recording apparatus and method, video information reproducing apparatus and method, recording medium, and program A video information recording apparatus includes a first obtaining unit operable to obtain video information to be recorded; a second obtaining unit operable to obtain thumbnail picture information to be recorded in correspondence with the video information; an encr... | 12/07/2010 |
| 7848520 | Partial encryption storage medium An electronic storage device has a segment of digital video content recorded thereon as a data structure with a first set of data packets encrypted under a first encryption process and a second set of data packets encrypted under a second encryption process. The fir... | 12/07/2010 |
| 7801303 | Video on demand in a broadcast network The present invention is a video on demand service enabled from a near video on demand service. A desired program is split into portions, or clips. The first clip is delivered a priori to the customer's Digital Video Recorder (DVR) using a hidden channel and it is m... | 09/21/2010 |
| 7792292 | Electronic device, content reproduction control method, program, storage medium, and integrated circuit To play back a content while managing the right of use of the content, such as a total time of playback of the content, an electronic device stores right information in a right temporary storage unit 59 and judges whether or not use of the content is permitte... | 09/07/2010 |
| 7787624 | Method for inserting synchronization markers into a video stream, compatible with a block cipher A method inserts synchronization markers into a standardized stream of compressed and ciphered data, wherein at least one part of the compressed data stream is ciphered bit by bit, by block cipher, and wherein a synchronization marker is only inserted into the compr... | 08/31/2010 |
| 7756271 | Scalable layered access control for multimedia A flexible framework for generating “scalable layered access” codestreams allows a bitstream architect to select the number of access types and the number of access layers within each access type. At least some of the access layers are encrypted (or scrambled). ... | 07/13/2010 |
| 7751561 | Partial encryption A multiple partial encryption device consistent with certain embodiments has an input for receiving a unencrypted video signal. An encryption arrangement produces a partially multiple encrypted video signal from the unencrypted video signal. An output provides the p... | 07/06/2010 |
| 7751560 | Time division partial encryption A method of processing digital content consistent with certain embodiments involves receiving a signal containing the digital content, wherein the digital content has a first encrypted sample of the digital content, the sample being encrypted under a first encryptio... | 07/06/2010 |
| 7724900 | Method, apparatus, and program for processing information An information processing apparatus decrypts stream data encrypted according to a first encryption method using a key encrypted according to a second encryption method. In the apparatus, an update instructing unit identifies the update timings of decryption keys and... | 05/25/2010 |
| 7720222 | Method for storing and transmitting data generated by security module The aim of this invention is to be able to recover specific information of a security module when it has been replaced by a new module in a user unit connected to a broadcasting network. This aim is reached by a method of storage and transmission of informati... | 05/18/2010 |
| 7715557 | Method for managing rights of subscribers to a multi-operator pay-television system The present invention proposes a method for managing rights of subscribers to a pay-television system comprising an access control system to which are connected subscriber management systems each managed by an operator and a plurality of subscriber decoders, said de... | 05/11/2010 |
| 7668311 | Method and system for transmission of decrypting information At the moment of the diffusion of Pay-TV with multi-channel signals, each channel is associated to authorization messages (ECM) which allow to decrypt this channel according to the rights of the subscriber. When changing channel, a very short time is accepted before... | 02/23/2010 |
| 7664262 | Playback apparatus and playback control method According to one embodiment, there is provided a playback apparatus which plays back content including an encrypted video object and an encrypted resource file, including a memory including a file cache area, a module configured to decrypt the video object, a playba... | 02/16/2010 |
| 7664261 | Encryption processor One chip encryption processor is disclosed, in which a password process unit for processing a data encryption and an interface for managing a password needed for an encryption are integrated into one chip. The encryption processor includes an encryption interface fo... | 02/16/2010 |
