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Cryptography > Video Cryptography Video CryptographyVideo Cryptography patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.11/01/07 - 20070253551 - Portable security module pairing A method for pairing a first element and a second element, wherein the first element and the second element form a first decoding system among a plurality of receiving decoding systems in a broadcasting network. Each receiving decoding system is adapted to descramble scrambled audiovisual information received over the broadcasting ... 10/25/07 - 20070248226 - System and method for fast and scalable multimedia authentication in real time environment A method of processing a plurality of digital data files including at least one group of medium data files for constituting a sequence of events or activities of a time interval for secure delivery of the digital data files, the method comprising the steps of: (a) processing a plurality of ... 10/18/07 - 20070242824 - Secure non-invasive method and system for distribution of digital assets A server computer system outputs a downloader component to a client computer. The downloader component enables the client computer to download an encrypted file. After outputting the downloader component, the server computer system cooperates with the downloader component to output the encrypted file to the client computer. The server computer ... 10/11/07 - 20070237328 - Method for encrypting video data A method for encrypting video data in which the encryption achieves a high standard of security and is carried out at a reduced computation cost. The encryption comprises disordering a set of video data to be encrypted and obscuring the disordered video data. ... 09/27/07 - 20070223691 - Information processing apparatus, information recording medium, information processing method, and computer program A configuration in which use management for each piece of content, which is divided in units, can be performed strictly and efficiently is provided. CPS units such that content stored on an information recording medium is divided into units are set, a unit key is assigned to each CPS unit, ... 08/16/07 - 20070189530 - Management system for digital broadcast rights and a method thereof A management system for digital broadcast rights and a method thereof, which applies to a digital video broadcasting system and utilizes the function of a multimedia home platform; when the multimedia data is intended to record or replay, the user's data will be analyzed to determine whether the user is ... 08/16/07 - 20070189529 - 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 encrypted program key, and the non-encrypted PSI data ... 07/12/07 - 20070160205 - Digital tv, digital broadcasting system and control method thereof A digital broadcasting system having a digital TV including a broadcasting base station which transmits a broadcasting signal having a program and key combination information configured to control a function by the program; and the digital TV includes a user inputting part having a plurality of keys; a receiving part ... 07/05/07 - 20070154013 - 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 encrypting unit operable to encrypt the thumbnail picture information; and a recording ... 06/14/07 - 20070133794 - Projection of overlapping sub-frames onto a surface A method of displaying an image with a display system is provided. The method comprises generating first and second sub-frames using first and second subsets of image data based on a relationship between a first projection device and a second projection device, wherein the first and the second subsets of ... 04/05/07 - 20070076870 - Information processing apparatus, information recording medium manufacturing apparatus, information recording medium, method and computer program To provide an apparatus, a recording medium and a method for effectively preventing unauthorized use of a content. A content containing broken data different from correct content member data is recorded on an information recording medium. Furthermore, transform data, as the correct member data, to be substituted for the broken ... 01/04/07 - 20070003057 - Method of bit stream processing The invention concerns a method of bit stream watermarking in a tandem coding system (300). The method involves arranging for the system (300) to comprise a series of stages including a first quantizing unit for processing an input signal to generate a first intermediate signal, a combining unit for embedding ... 12/21/06 - 20060285686 - Apparatus and method for processing streams For conditional access purposes a stream is used in which at least two different decryption algorithms are needed for decryption of packets that encode different interspersed parts of the same signal for (quasi-)continuous rendering (such as an audio or video signal). Information is included in the stream to indicate dynamically ... 11/23/06 - 20060262926 - 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 encryption method, a second encrypted sample of the digital content, the sample ... 10/05/06 - 20060222177 - Information network system and information apparatus Upon receiving an input of a request to move data to an external recording medium, a first information apparatus: transfers to record contents data after performing conversion under compression; encrypts the contents data and stores it in a concealment area of an internal recording medium; transfers to record the contents ... 09/21/06 - 20060210075 - Secure equipment which is used, on request, to distribute, record and display audio-visual works with an mpeg-2 ts-type format A process for distributing audiovisual sequences in accordance with a nominal stream format respecting a MPEG-2 TS norm including a succession of TS packets, including analyzing the stream made prior to the transmitting to client equipment to generate a first stream in conformity with the MPEG-2 TS format, modifying all ... 08/24/06 - 20060188096 - Systems and methods for remotely controlling computer applications A modular system and method is for displaying and controlling a host computer application interface using a real-time video and control stream to a remote digital media receiver client is disclosed. The continuous graphical display pixels and audio of a host computer application interface window are divided into time segments ... 07/13/06 - 20060153377 - Traceable method and system for encrypting and/or decrypting data, and recording media therefor A traceable method for encrypting and/or decrypting data broadcast by at least one transmitter towards several decoders includes the steps: during encryption of broadcast data, the transmitter implements (in 86) at least one first secret function to transform an unencrypted message into an encrypted message; and during decryption of the ... 05/25/06 - 20060109982 - Unit for managing audio/video data and access control method for said data A digital audio/video data processing unit and an access control method to this data are disclosed. The processing unit of audio/video digital data encrypted with control-words coming from control messages includes a deciphering unit of the audio/video data, a decompression unit, an input/output interface of the processed audio/video data and ... 05/11/06 - 20060098821 - Information processing apparatus A digital TV broadcasting reception processing unit including a digital TV tuner and an OFDM demodulator receives a digital broadcasting program of the terrestrial digital TV broadcasting. An analog TV broadcasting reception processing unit including an analog TV tuner and an MPEG 2 encoder receives an analog broadcasting program of ... 04/06/06 - 20060072749 - System and method for encryption of image data in a networked environment This invention is directed to a system and method for the encryption of image data in a networked environment. More particularly, this invention is directed to a system and method for encrypting documents or data generated via an associated image generating device. ... 02/09/06 - 20060029227 - Storage A method and apparatus for delivering content to a user are disclosed. A data bit-stream is provided having a base layer data bit-stream and at least one enhancement layer data bit-stream. The data bit-streams are stored separately in a storage device. The stored content is then offered at different quality ... 01/26/06 - 20060018468 - Data transmission method and data transmission apparatus The present invention relates to a data transmission method used in the data transmission system. The data transmission method decrypts encrypted data, applies again encryption effective in the transmission system at transmission time so as to transmit the encrypted data from a sending side to a receiving side. The receiving ... 01/19/06 - 20060013390 - System and method for encrypting data in analog form We propose an encryption scheme which uses steganography. The encryption algorithm encrypts messages by embedding them in a data stream in such a way that an adversary cannot get information about the messages. Since the embedding is the only computation requires this scheme is optimal in computational efficiency. However, since ... 12/29/05 - 20050286719 - Generating entropy through image capture Cryptographically securing second image data using a cryptographic value derived from entropy generated by capture of first image data different from the second image data and obtained by the same image capture device. With the foregoing, an image capture device, which may be networked, is able to obtain a more ... 12/22/05 - 20050281406 - Method and device to guarantee the integrity and authenticity of a set of data Method and a device for guaranteeing the integrity and authenticity of data transmitted between a management center and one or several receiver units, wherein each receiver unit comprises a decoder (IRD) and a security unit (SC) and means for communicating (NET, REC) with the management center. The method consists in ... 11/24/05 - 20050259819 - Method for generating hashes from a compressed multimedia content Method and apparatus for generating a hash signal representative of a multimedia signal are described. The method includes receiving a bit-stream comprising a compressed multimedia signal, selectively reading from the bit-stream predetermined parameters, and deriving a hash function from the parameters. ... 10/20/05 - 20050232418 - Method of distributing encrypted portions of an audiovisual programme The method of distributing encrypted portions of an audiovisual programme to user terminals, in which the successive portions of the programme are encrypted with the aid of different keys, consists, on initiation, from a user terminal, of a telephone communication with a call centre, in transmitting in sequence from this ... 10/20/05 - 20050232417 - Real-time signature embedding in video A method and system for embedding an authentication signature in an audio-visual signal such that only a part of an entire frame of the audio-visual signal is stored in a memory while the signature bits are calculated and the watermark is embedded. A signature is formed based on a first ... 08/04/05 - 20050169466 - Method and apparatus for detection of loss of cipher synchronization Detecting loss of stream cipher synchronization between a transmitter and a receiver in a video processing system may be achieved by receiving, by the receiver, an encrypted video frame from the transmitter, obtaining an encrypted value for a selected pixel in the encrypted video frame, decrypting the encrypted pixel value ... 07/21/05 - 20050157876 - Method for transmitting and receiving control information for encryption in a mobile communication system supporting multimedia broadcast/multicast service A method for minimizing overhead occurring caused by control information for encryption performed to protect MBMS data for an MBMS service in a mobile communication system. This method is implemented by distinguishing a case in which control information used for encryption is updated from another case in which the control ... 07/07/05 - 20050147247 - Interactive television systems having pod modules and methods for use in the same The present invention relates to television systems and methods, and more particularly, to interactive television systems having user equipment that includes a point of deployment (“POD”) host device and POD modules for use in conjunction with the POD host device. The interactive televisions systems may have different user equipment arrangements ... 06/09/05 - 20050123135 - Secure video system for display adaptor A secure video system for a graphics display adaptor includes a module for decrypting a content signal from a media player or other secure content source. The adaptor may be provided as a component of a computer graphics system, or in a stand-alone special-purpose device. The adaptor may include other ... 06/02/05 - 20050117748 - Secure visual message communication method and device A method of and a device (501) for reconstructing a graphical message (520) using visual cryptography. Cells (303, 304) in a first liquid crystal display (701) are activated if a bit in a message sequence represents ‘1’, and not activated if said bit represents ‘0’. Cells (303, 304) in a ... ### FreshPatents.com Support |