BR0202591A - Sistema de proteção de obra digital, dispositivo de gravação/reprodução, dispositivo de meio de gravação, e dispositivo de mudança de modelo - Google Patents

Sistema de proteção de obra digital, dispositivo de gravação/reprodução, dispositivo de meio de gravação, e dispositivo de mudança de modelo

Info

Publication number
BR0202591A
BR0202591A BR0202591-4A BR0202591A BR0202591A BR 0202591 A BR0202591 A BR 0202591A BR 0202591 A BR0202591 A BR 0202591A BR 0202591 A BR0202591 A BR 0202591A
Authority
BR
Brazil
Prior art keywords
unique information
storage unit
record
unit operable
read
Prior art date
Application number
BR0202591-4A
Other languages
English (en)
Inventor
Shunji Harada
Masaya Miyazaki
Shinichi Matsui
Shinji Inoue
Natsume Matsuzaki
Naohiko Noguchi
Original Assignee
Matsushita Electric Ind Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of BR0202591A publication Critical patent/BR0202591A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
    • G06F21/1011—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities to devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/44—Program or device authentication
    • G06F21/445—Program or device authentication by mutual authentication, e.g. between devices or programs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00144—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a user identifier, e.g. a unique customer ID
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • G11B20/00181—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software using a content identifier, e.g. an international standard recording code [ISRC] or a digital object identifier [DOI]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G11B20/00195—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00246—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a local device, e.g. device key initially stored by the player or by the recorder
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00528—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein each title is encrypted with a separate encryption key for each title, e.g. title key for movie, song or data file
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G11B20/00536—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00666—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of erasing or nullifying data, e.g. data being overwritten with a random string
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0071—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00797—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of times a content can be reproduced, e.g. using playback counters
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00855—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/104—Grouping of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4184—External card to be used in combination with the client device, e.g. for conditional access providing storage capabilities, e.g. memory stick
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • H04N21/8113—Monomedia components thereof involving special audio data, e.g. different tracks for different languages comprising music, e.g. song in MP3 format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Technology Law (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

"SISTEMA DE PROTEçãO DE OBRA DIGITAL, DISPOSITIVO DE GRAVAçãO/REPRODUçãO, DISPOSITIVO DE MEIO DE GRAVAçãO, E DISPOSITIVO DE MUDANçA DE MODELO". é descrito um sistema composto de um dispositivo principal e um dispositivo de meio de gravação. O dispositivo principal inclui: uma unidade de recepção que recebe uma obra digital de um servidor de distribuição externo; uma área de armazenamento interna para armazenar a obra digital; uma unidade de reprodução que reproduz a obra digital; uma área de armazenamento de informações únicas para armazenar as informações que são únicas para o dispositivo principal; uma unidade de criptografia que criptografa a obra digital utilizando as informações únicas; uma unidade de decifração que decifra, utilizando as informações únicas, a obra digital criptografada que foi lida do dispositivo de meio de gravação; uma unidade de gravação que grava a obra digital criptografada no dispositivo de meio de gravação o qual é portátil; e uma unidade de leitura que lê a obra digital criptografada do dispositivo de meio de gravação.
BR0202591-4A 2001-07-09 2002-07-09 Sistema de proteção de obra digital, dispositivo de gravação/reprodução, dispositivo de meio de gravação, e dispositivo de mudança de modelo BR0202591A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001208532 2001-07-09

Publications (1)

Publication Number Publication Date
BR0202591A true BR0202591A (pt) 2003-04-29

Family

ID=19044331

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0202591-4A BR0202591A (pt) 2001-07-09 2002-07-09 Sistema de proteção de obra digital, dispositivo de gravação/reprodução, dispositivo de meio de gravação, e dispositivo de mudança de modelo

Country Status (10)

Country Link
US (2) US7698571B2 (pt)
EP (3) EP1280149B1 (pt)
KR (1) KR100939861B1 (pt)
CN (2) CN1253882C (pt)
AT (2) ATE383644T1 (pt)
BR (1) BR0202591A (pt)
DE (2) DE60224480T2 (pt)
MY (1) MY138856A (pt)
SG (1) SG106075A1 (pt)
TW (1) TWI308306B (pt)

Families Citing this family (107)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1552070A (zh) * 2001-07-09 2004-12-01 ���µ�����ҵ��ʽ���� 内容读取装置
TWI308306B (en) 2001-07-09 2009-04-01 Matsushita Electric Ind Co Ltd Digital work protection system, record/playback device, recording medium device, and model change device
KR20050035140A (ko) * 2001-10-12 2005-04-15 마쯔시다덴기산교 가부시키가이샤 컨텐츠 처리 장치 및 컨텐츠 보호 프로그램
JP4292736B2 (ja) * 2001-11-15 2009-07-08 ソニー株式会社 伝送システム、伝送方法
US7174017B2 (en) * 2002-03-04 2007-02-06 Lenovo Singapore Pte, Ltd Decryption system for encrypted audio
JP2004015141A (ja) * 2002-06-04 2004-01-15 Fuji Xerox Co Ltd データ伝送システムおよびその方法
JP2004086657A (ja) * 2002-08-28 2004-03-18 Sony Corp 情報処理装置および方法、記録媒体、並びにプログラム
JP3894883B2 (ja) * 2002-12-13 2007-03-22 シャープ株式会社 画像形成装置
FR2849307B1 (fr) * 2002-12-24 2006-10-27 Viaccess Sa Procede et systeme de securisation de donnees embrouillees
KR20040072256A (ko) * 2003-02-10 2004-08-18 삼성전자주식회사 컨텐츠에 대한 사용 제한 및 저작권 보호를 위한 통신단말기 및 컨텐츠 보안 시스템
US7275252B2 (en) * 2003-04-25 2007-09-25 Vmedia Research, Inc. Cell phone or other portable handset containing microminiature optical disc drive
US20050254367A1 (en) * 2004-05-13 2005-11-17 Volk Steven B Microminiature optical disc drive with wireless capability
US20040235521A1 (en) * 2003-05-01 2004-11-25 Salil Pradhan Method and system for exchanging digital media
US20050022019A1 (en) * 2003-07-05 2005-01-27 General Instrument Corporation Enforcement of playback count in secure hardware for presentation of digital productions
JP2005063079A (ja) * 2003-08-11 2005-03-10 Matsushita Electric Ind Co Ltd メモリカード装置、権利管理システムおよび時間管理方法
CN100341001C (zh) * 2003-09-22 2007-10-03 英华达（南京）科技有限公司 手持式电子装置及其所使用的处理图档数据的方法
DE10347751B4 (de) * 2003-10-14 2005-10-27 Siemens Ag Verfahren und Anordnungen zur Verschlüsselung von Speicherdateien auf mobilen Endgeräten
KR100643278B1 (ko) * 2003-10-22 2006-11-10 삼성전자주식회사 휴대용 저장 장치의 디지털 저작권을 관리하는 방법 및 장치
EP1542117A1 (en) 2003-10-29 2005-06-15 Sony Ericsson Mobile Communications AB Binding content to a user
JP4091908B2 (ja) * 2003-12-18 2008-05-28 株式会社エヌ・ティ・ティ・ドコモ 通信システム、通信端末装置および情報記憶モジュール
US7499550B2 (en) * 2004-02-09 2009-03-03 International Business Machines Corporation System and method for protecting a title key in a secure distribution system for recordable media content
KR100605849B1 (ko) 2004-02-09 2006-08-01 삼성전자주식회사 휴대용 단말기의 데이터 저장 및 재생방법
EP1724657A4 (en) * 2004-03-03 2010-11-24 Pioneer Corp ELECTRONIC DEVICE, ITS CONTROL METHOD, SAFETY PROGRAM AND OTHERS
EP1580644A3 (en) 2004-03-15 2005-11-09 Yamaha Corporation Electronic musical apparatus for recording and reproducing music content
FR2867868A1 (fr) * 2004-03-19 2005-09-23 Tan Truyen Tran Procede de protection de logiciels et de donnees avec methode de gestion de clefs securisees
KR20070007938A (ko) * 2004-04-21 2007-01-16 마츠시타 덴끼 산교 가부시키가이샤 기록장치, 기록매체 및 콘텐츠 보호시스템
JP2005316284A (ja) * 2004-04-30 2005-11-10 Hitachi Ltd 携帯端末とデータ保護システム
JP4762979B2 (ja) * 2004-05-10 2011-08-31 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 認証装置
US8315144B2 (en) * 2004-05-13 2012-11-20 VMO Systems Inc. Small form factor optical disc drive for use in mobile electronic device
US7983139B2 (en) * 2007-11-30 2011-07-19 Vmedia Research, Inc. Small form factor optical data storage disc and cartridge
JP4654184B2 (ja) * 2004-06-03 2011-03-16 パナソニック株式会社 プライバシィフラグと組み合わされた個人データの通信
JP2005351994A (ja) * 2004-06-08 2005-12-22 Sony Corp コンテンツ配信サーバ，コンテンツ配信方法，プログラム
US7536355B2 (en) * 2004-06-10 2009-05-19 Lsi Corporation Content security system for screening applications
JP4622334B2 (ja) * 2004-06-23 2011-02-02 日本電気株式会社 コンテンツデータ利用システム及びその方法並びに移動通信端末及びプログラム
EP1621956B1 (en) * 2004-07-30 2017-05-31 Irdeto B.V. Method of providing rights data objects
EP1621955B1 (en) * 2004-07-30 2017-06-07 Irdeto B.V. Method and device for providing access to encrypted content
KR100698175B1 (ko) * 2004-09-02 2007-03-22 엘지전자 주식회사 단말간 멀티미디어 데이터 복사 방지 방법
KR100678893B1 (ko) * 2004-09-16 2007-02-07 삼성전자주식회사 객체 식별자를 이용하여 이동형 저장 장치에서 권리객체를 검색하는 방법 및 장치
JP2006127485A (ja) * 2004-09-30 2006-05-18 Sanyo Electric Co Ltd コンテンツ再生装置およびコンテンツ再生方法
US7856249B2 (en) * 2004-11-08 2010-12-21 Sony Ericsson Mobile Communications Ab Combined mass storage and subscriber identity module providing information security and apparatus for use therewith
US7450723B2 (en) * 2004-11-12 2008-11-11 International Business Machines Corporation Method and system for providing for security in communication
JP4131964B2 (ja) 2004-12-10 2008-08-13 株式会社東芝 情報端末装置
KR101032551B1 (ko) * 2004-12-27 2011-05-06 엘지전자 주식회사 콘텐츠 서비스 방법
CN100562880C (zh) * 2005-01-31 2009-11-25 松下电器产业株式会社 备份管理装置、备份管理方法、集成电路及备份系统
FR2887050B1 (fr) * 2005-06-14 2007-10-05 Viaccess Sa Procede et systeme de securisation d'une transaction dans un reseau de telecommunication
GB2431028A (en) * 2005-06-29 2007-04-11 E L X Productions Entertainment system
US7570641B2 (en) * 2005-08-23 2009-08-04 Macrovision Corporation Techniques for watermarking and distributing content
JP4586684B2 (ja) * 2005-08-31 2010-11-24 ソニー株式会社 情報処理装置および方法、並びにプログラム
JP2007104613A (ja) * 2005-10-07 2007-04-19 Sony Computer Entertainment Inc 電子通信方法、電子通信システム、通信端末、およびサーバ
JP4866858B2 (ja) * 2005-10-26 2012-02-01 パナソニック株式会社 データ処理装置及び処理方法
KR20070053032A (ko) * 2005-11-18 2007-05-23 엘지전자 주식회사 장치 간의 디지털 저작권 관리 방법 및 시스템
DE102006006489A1 (de) 2006-02-10 2007-08-16 Bundesdruckerei Gmbh Verfahren zur Durchführung eines Schreibzugriffs, Computerprogrammprodukt, Computersystem und Chipkarte
US20070192427A1 (en) * 2006-02-16 2007-08-16 Viktors Berstis Ease of use feature for audio communications within chat conferences
US8787973B2 (en) 2006-03-20 2014-07-22 Sandisk Il Ltd. Device and method for controlling usage of a memory card
WO2007147170A2 (en) * 2006-06-16 2007-12-21 Bittorrent, Inc. Classification and verification of static file transfer protocols
US8953756B2 (en) * 2006-07-10 2015-02-10 International Business Machines Corporation Checking for permission to record VoIP messages
US8595815B2 (en) * 2006-07-26 2013-11-26 Gregory Alan Bolcer System and method for selectively granting access to digital content
US20080028207A1 (en) * 2006-07-26 2008-01-31 Gregory Alan Bolcer Method & system for selectively granting access to digital content
JP2008085515A (ja) * 2006-09-27 2008-04-10 Hitachi Ltd コンテンツ受信端末システム及びコンテンツ受信端末装置
US8892887B2 (en) 2006-10-10 2014-11-18 Qualcomm Incorporated Method and apparatus for mutual authentication
JP5026049B2 (ja) * 2006-10-25 2012-09-12 ソニー株式会社 メディアドライブ装置、メディアドライブ装置の動作方法、プログラム、プログラム記録媒体
JP4888057B2 (ja) * 2006-11-01 2012-02-29 富士通セミコンダクター株式会社 情報処理装置
WO2008060467A2 (en) * 2006-11-14 2008-05-22 Sandisk Corporation Methods and apparatuses for binding content to a seperate memory device
US8763110B2 (en) 2006-11-14 2014-06-24 Sandisk Technologies Inc. Apparatuses for binding content to a separate memory device
US8079071B2 (en) 2006-11-14 2011-12-13 SanDisk Technologies, Inc. Methods for accessing content based on a session ticket
US8327454B2 (en) 2006-11-14 2012-12-04 Sandisk Technologies Inc. Method for allowing multiple users to access preview content
CN101193308A (zh) * 2006-11-22 2008-06-04 上海贝尔阿尔卡特股份有限公司 用于提供可在通信网络中播放的音/视频信号的方法及装置
KR100823892B1 (ko) * 2006-11-23 2008-04-21 삼성전자주식회사 디지털 컨텐츠의 저작권을 보호하기 위한 시스템 및 그방법
EP1981187A1 (en) * 2007-04-11 2008-10-15 Axalto SA A content storing method in a mobile TV terminal for allowing more appearing channels to be available
WO2009031215A1 (ja) * 2007-09-05 2009-03-12 Panasonic Corporation 電子機器、パスワード制御方法およびプログラム
US20090075698A1 (en) * 2007-09-14 2009-03-19 Zhimin Ding Removable Card And A Mobile Wireless Communication Device
US8146153B2 (en) 2007-12-31 2012-03-27 Sandisk Technologies Inc. Method and system for creating and accessing a secure storage area in a non-volatile memory card
SK50042008A3 (sk) * 2008-01-04 2009-09-07 Logomotion, S. R. O. Spôsob a systém autentifikácie najmä pri platbách, identifikátor totožnosti a/alebo súhlasu
SK288721B6 (sk) * 2008-03-25 2020-01-07 Smk Kk Spôsob, zapojenie a nosič na vykonávanie opakovaných operácií na klávesnici mobilného komunikačného zariadenia
US8499119B2 (en) 2008-04-07 2013-07-30 Qualcomm Incorporated Method and apparatus for delivering and caching multiple pieces of content
US8856899B1 (en) * 2008-06-20 2014-10-07 United Services Automobile Association (Usaa) Systems and methods for obscuring entry of electronic security term
US8984645B2 (en) 2008-08-20 2015-03-17 Sandisk Technologies Inc. Accessing memory device content using a network
WO2010021975A2 (en) * 2008-08-20 2010-02-25 Sandisk Corporation Memory device upgrade
US8428649B2 (en) 2008-08-20 2013-04-23 Sandisk Technologies Inc. Memory device upgrade
SK50862008A3 (sk) * 2008-09-19 2010-06-07 Logomotion, S. R. O. Systém na elektronické platobné aplikácie a spôsob autorizácie platby
US9098845B2 (en) * 2008-09-19 2015-08-04 Logomotion, S.R.O. Process of selling in electronic shop accessible from the mobile communication device
EP2175454B1 (en) * 2008-10-13 2012-12-12 Vodafone Holding GmbH Method and terminal for providing controlled access to a memory card
SK288641B6 (sk) * 2008-10-15 2019-02-04 Smk Corporation Spôsob komunikácie s POS terminálom, frekvenčný konventor k POS terminálu
KR101277149B1 (ko) * 2008-11-06 2013-06-20 삼성전자주식회사 사용자 데이터 암호화 방법 및 장치
SK500092009A3 (sk) * 2009-02-27 2010-09-07 Logomotion, S. R. O. Počítačová myš na zapojenie na prenos údajov, najmä pri elektronických platbách, spôsob prenosu údajov
EP2462567A2 (en) 2009-05-03 2012-06-13 Logomotion, s.r.o. A payment terminal using a mobile communication device, such as a mobile phone; a method of direct debit payment transaction
US8484720B2 (en) * 2009-05-22 2013-07-09 Sandisk Il Ltd. Service binding method and system
US8844047B2 (en) * 2009-12-11 2014-09-23 General Motors Llc Secure programming of vehicle modules
GB2489178B (en) 2009-12-22 2016-12-14 Fisher & Paykel Healthcare Ltd Components for medical circuits
US8645699B2 (en) * 2010-03-15 2014-02-04 Blackberry Limited Use of certificate authority to control a device's access to services
EP2555134A4 (en) * 2010-03-26 2013-09-18 Panasonic Corp REPRODUCTION DEVICE, CONTENT DISTRIBUTION SYSTEM, REPRODUCTION METHOD, COMPUTER PROGRAM, AND INTEGRATED CIRCUIT
CN103329141B (zh) * 2011-04-29 2017-05-03 中天安泰（北京）信息技术有限公司 数据安全存储方法及装置
KR101221350B1 (ko) * 2011-05-06 2013-01-11 주식회사 네오위즈인터넷 콘텐츠 이용 방법, 콘텐츠 이용 장치, 모바일 단말기 및 기록매체
KR101973510B1 (ko) * 2011-06-30 2019-05-09 삼성전자주식회사 컨텐츠를 보호하기 위한 저장 장치 및 호스트 장치와 그 방법
US9848236B2 (en) * 2011-10-17 2017-12-19 Mediapointe, Inc. System and method for digital media content creation and distribution
GB201120314D0 (en) * 2011-11-24 2012-01-04 Business Partners Ltd Secure database searching
US8826459B2 (en) * 2011-11-29 2014-09-02 Jason Swist Systems and methods of automatic multimedia transfer and playback
CN103164636B (zh) * 2011-12-09 2015-12-09 北大方正集团有限公司 一种在线阅读数字内容鉴权的方法及系统
EP2693687B1 (en) * 2012-08-02 2016-10-05 Banco Bilbao Vizcaya Argentaria, S.A. Method for generating a code, authorization method and authorization system for authorizing an operation
WO2015010214A1 (en) * 2013-07-25 2015-01-29 Optotune Ag Projection screen for laser projection system
US10623400B2 (en) * 2013-10-14 2020-04-14 Greg Hauw Method and device for credential and data protection
CN104392183B (zh) * 2014-11-10 2017-07-25 深圳市元征科技股份有限公司 汽车诊断设备自动检索校验车型文件的方法
GB201421672D0 (en) * 2014-12-05 2015-01-21 Business Partners Ltd Secure document management
US10027684B1 (en) 2015-04-22 2018-07-17 United Services Automobile Association (Usaa) Method and system for user credential security
CN106487763B (zh) * 2015-08-31 2020-01-10 腾讯科技（深圳）有限公司 一种基于云计算平台的数据访问方法及用户终端
US10733987B1 (en) * 2017-09-26 2020-08-04 Amazon Technologies, Inc. System and methods for providing unplayed content
EP3751532A1 (en) 2019-06-13 2020-12-16 Rohde & Schwarz GmbH & Co. KG Remote access and control system and corresponding method

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6850252B1 (en) * 1999-10-05 2005-02-01 Steven M. Hoffberg Intelligent electronic appliance system and method
US6400996B1 (en) * 1999-02-01 2002-06-04 Steven M. Hoffberg Adaptive pattern recognition based control system and method
JP3073590B2 (ja) 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
JPH08263438A (ja) * 1994-11-23 1996-10-11 Xerox Corp ディジタルワークの配給及び使用制御システム並びにディジタルワークへのアクセス制御方法
US5621793A (en) * 1995-05-05 1997-04-15 Rubin, Bednarek & Associates, Inc. TV set top box using GPS
JPH08335040A (ja) * 1995-06-02 1996-12-17 Fujitsu Ltd 暗号化処理方式
US5953419A (en) * 1996-05-06 1999-09-14 Symantec Corporation Cryptographic file labeling system for supporting secured access by multiple users
TW401573B (en) * 1997-01-10 2000-08-11 Victor Company Of Japan Methods, apparatuse, and systems for producing and writing cipher keys, reproducing information with a cipher key, and for permitting reproduction of information with a cipher key, and optical disc recorded with a cipher key
CN1125458C (zh) * 1997-12-29 2003-10-22 三星电子株式会社 数字记录介质版权保护方法及保护版权的记录和再现装置
US7239709B1 (en) * 1998-01-26 2007-07-03 Matsushita Electric Industrial Co., Ltd. Data recording/reproducing method, data recording/reproducing system, recording apparatus
IL124978A (en) 1998-06-17 2003-01-12 Watertech M A S Ltd Method and apparatus for extracting water from atmospheric air
JP4113306B2 (ja) 1998-07-22 2008-07-09 松下電器産業株式会社 ディジタルデータ記録装置及びその方法並びにそのプログラムを記録したコンピュータ読み取り可能な記録媒体
EP1018733B1 (en) 1998-07-22 2003-09-10 Matsushita Electric Industrial Co., Ltd. Digital data recording device and method for protecting copyright and easily reproducing encrypted digital data and computer readable recording medium recording program
JP2000122539A (ja) 1998-10-16 2000-04-28 Matsushita Electric Ind Co Ltd 著作物保護システム
CN1224909C (zh) 1998-10-16 2005-10-26 松下电器产业株式会社 数字作品保护系统
JP3098500B2 (ja) 1998-11-13 2000-10-16 日本電気株式会社 自動給紙装置
DE19857210A1 (de) * 1998-12-11 2000-06-15 Alcatel Sa Verfahren zum Freischalten einer SIM-Karte
MY123388A (en) * 1999-03-15 2006-05-31 Sony Corp Processing method and apparatus for encrypted data transfer
JP2001028572A (ja) 1999-03-19 2001-01-30 Sanyo Electric Co Ltd 情報配信システム
JP2000308129A (ja) 1999-04-16 2000-11-02 Sanyo Electric Co Ltd 音楽配信システム
JP4161466B2 (ja) 1999-04-22 2008-10-08 日本ビクター株式会社 コンテンツ情報記録方法及びコンテンツ情報処理装置
JP3389186B2 (ja) 1999-04-27 2003-03-24 松下電器産業株式会社 半導体メモリカード及び読み出し装置
JP3682840B2 (ja) 1999-05-21 2005-08-17 日本ビクター株式会社 コンテンツ情報記録方法及びコンテンツ情報記録装置
JP4011792B2 (ja) 1999-06-16 2007-11-21 株式会社東芝 記録方法、再生方法、記録装置、再生装置及び記録媒体
US7181629B1 (en) 1999-08-27 2007-02-20 Fujitsu Limited Data distribution system as well as data supply device terminal device and recording device for the same
US7278016B1 (en) * 1999-10-26 2007-10-02 International Business Machines Corporation Encryption/decryption of stored data using non-accessible, unique encryption key
US6606744B1 (en) * 1999-11-22 2003-08-12 Accenture, Llp Providing collaborative installation management in a network-based supply chain environment
DE10002216C1 (de) * 2000-01-20 2001-08-09 Deutsche Telekom Mobil Verfahren zur teilnehmerinitiierten automatischen Subskribierung
JP4622064B2 (ja) * 2000-04-06 2011-02-02 ソニー株式会社 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム提供媒体
KR200202377Y1 (ko) 2000-05-17 2000-11-15 김재한 방열용 히타
JP2001333182A (ja) 2000-05-19 2001-11-30 Nec Corp 移動電話機における機種変更方式
WO2001093000A2 (en) 2000-05-31 2001-12-06 Zoran Corporation Secure electronic internet delivery and use of music and other valuable data
KR100740360B1 (ko) * 2000-06-21 2007-07-16 소니 가부시끼 가이샤 정보 기록/재생 장치 및 방법
JP4675462B2 (ja) 2000-07-27 2011-04-20 株式会社ウィルコム 無線端末システム
JP2002175505A (ja) 2000-12-08 2002-06-21 Citizen Watch Co Ltd 携帯型情報装置、個人認証システム及び認証データ消去方法
JP3908466B2 (ja) * 2001-02-07 2007-04-25 株式会社エヌ・ティ・ティ・ドコモ 移動通信システムにおけるサービス制御方法及びシステム並びに移動機
ATE245882T1 (de) * 2001-03-30 2003-08-15 Swisscom Mobile Ag Verfahren zum bestellen neuer verträge für mobilfunkgeräte
US7725945B2 (en) * 2001-06-27 2010-05-25 Intel Corporation Discouraging unauthorized redistribution of protected content by cryptographically binding the content to individual authorized recipients
TWI308306B (en) 2001-07-09 2009-04-01 Matsushita Electric Ind Co Ltd Digital work protection system, record/playback device, recording medium device, and model change device

Also Published As

Publication number Publication date
US7694155B2 (en) 2010-04-06
EP1667144A2 (en) 2006-06-07
EP1280149A2 (en) 2003-01-29
EP1667144A3 (en) 2013-12-11
KR20030007074A (ko) 2003-01-23
KR100939861B1 (ko) 2010-01-29
MY138856A (en) 2009-08-28
DE60212408D1 (de) 2006-07-27
EP1422709A3 (en) 2004-08-25
ATE330314T1 (de) 2006-07-15
TWI308306B (en) 2009-04-01
EP1280149B1 (en) 2008-01-09
CN1396596A (zh) 2003-02-12
US20070083772A1 (en) 2007-04-12
EP1280149A3 (en) 2003-03-05
DE60224480T2 (de) 2008-05-21
ATE383644T1 (de) 2008-01-15
EP1422709A2 (en) 2004-05-26
CN1822012A (zh) 2006-08-23
DE60212408T2 (de) 2006-11-16
DE60224480D1 (de) 2008-02-21
US7698571B2 (en) 2010-04-13
EP1422709B1 (en) 2006-06-14
CN1253882C (zh) 2006-04-26
SG106075A1 (en) 2004-09-30
US20030007640A1 (en) 2003-01-09

Similar Documents

Publication Publication Date Title
BR0202591A (pt) Sistema de proteção de obra digital, dispositivo de gravação/reprodução, dispositivo de meio de gravação, e dispositivo de mudança de modelo
MY154954A (en) Content playback device
WO2003036858A3 (en) Digital work protection system, key management apparatus, and user apparatus
EP1505595A3 (en) Access control for digital content
EP1505594A3 (en) Access control for digital content
WO2004023524A3 (en) Storage medium rental system
KR970002629A (ko) 데이타 기록 장치와 방법, 데이타 재생 장치와 방법 및 기록매체
TR200000779T2 (tr) Kaydedilmiş dijital verilerin korunması için yöntem ve cihaz
NO20012129D0 (no) System for opphavsrettsbeskyttet overföring av data
MY152844A (en) Signal recording and reproduction and signal record media
RU2007131440A (ru) Носитель записи, устройство и способ для дешифрования данных
WO2003007298A3 (en) Content reading apparatus with usage rights judgements
JP2005529422A5 (pt)
EA200200146A1 (ru) Контролируемое распространение цифровой информации, в особенности аудиоданных
JP2003158514A5 (pt)
EP1162617A3 (en) Information distributing apparatus and method, information recording medium, and information recording apparatus and method
DE60215016D1 (de) Vorrichtung und Verfahren zur Wiedergabe von Benutzerdaten
WO2001018807A3 (en) Recovery of a master key from recorded published material
JP2005505853A5 (pt)
JP2001176189A5 (pt)
JP2002368732A (ja) 暗号化情報記録システム及び暗号化情報再生システム
JP2002024092A5 (pt)
JP2000231760A5 (pt)
JP2006524408A5 (pt)
JPH01256068A (ja) 磁気デイスク装置

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: PANASONIC CORPORATION (JP)

Free format text: NOME ALTERADO DE: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD

B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04L 9/32

Ipc: H04L 29/06 (2006.01), G06F 21/10 (2013.01), G06F 2

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM ART. 8O COMBINADO COM ART. 13, ART. 22 E ART. 25 DA LPI

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.