WO2013084534A1 - 通信システム - Google Patents

通信システム Download PDF

Info

Publication number
WO2013084534A1
WO2013084534A1 PCT/JP2012/068204 JP2012068204W WO2013084534A1 WO 2013084534 A1 WO2013084534 A1 WO 2013084534A1 JP 2012068204 W JP2012068204 W JP 2012068204W WO 2013084534 A1 WO2013084534 A1 WO 2013084534A1
Authority
WO
WIPO (PCT)
Prior art keywords
server
password
information
terminal
content
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2012/068204
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
仁 西川
藤井　正行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to CN2012800031475A priority Critical patent/CN103238292A/zh
Priority to US13/876,502 priority patent/US20130326601A1/en
Publication of WO2013084534A1 publication Critical patent/WO2013084534A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
    • 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
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • H04N21/25816—Management of client data involving client authentication
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26613—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing keys in general
    • 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 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/654—Transmission by server directed to the client
    • H04N21/6543—Transmission by server directed to the client for forcing some client operations, e.g. recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Definitions

  • the present invention relates to a communication system, and more particularly, to a communication system including a server and a terminal that communicate via a network.
  • a service that provides data including commands for operating a television (abbreviation of television) via the web (abbreviation of World Wide Web) has been proposed.
  • a method for preventing a TV (Television) device from being operated by a command from a malicious service provider has been proposed.
  • Patent Document 1 Japanese Unexamined Patent Application Publication No. 2009-118448
  • a television acquires operation image data and an electronic signature via a mobile phone terminal, and the electronic signature is a valid electronic signature for the operation image data. Is verified using the public key.
  • the digital signature is valid, that is, when it is confirmed that the operation image data has not been tampered with
  • the television sets the process designated by the process designation information stored in the operation image data. Controls its own device to execute
  • Patent Document 2 Japanese Patent Laid-Open No. 2004-15627 proposes a system for remotely controlling electronic devices through a network.
  • an electronic device communicates with another electronic device through a network. Whether the electronic device reads the identification information from a removable recording medium capable of recording the identification information for identifying the electronic device in the network, and whether to permit remote control of other electronic devices based on the identification information To decide.
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2004-15627
  • it is determined based on identification information whether or not remote control for another electronic device is permitted.
  • Patent Document 1 Japanese Patent Laid-Open No. 2009-118448
  • falsified process designation information Since it is possible to prevent the apparatus from malfunctioning when the processing is executed.
  • Patent Document 1 Japanese Patent Laid-Open No. 2009-118448
  • Patent Literature 1 Japanese Patent Laid-Open No. 2009-118448
  • Patent Literature 2 Japanese Patent Laid-Open No. 2004-15627
  • an object of the present invention is to provide a communication system capable of limiting the execution authority of the process designated by the process designation information for each provider of the process designation information.
  • a communication system includes a server that communicates via a network, a terminal, and an information processing apparatus.
  • the server receives, from the information processing apparatus, a receiving unit that receives a first password generated using a predetermined function from first data indicating a key and server-specific information unique to the server, and the received first password And a password transmission unit for transmitting the process designation information for designating the process to the terminal.
  • the terminal uses a function from the storage unit that stores the second data indicating the key that matches the key indicated by the first data acquired from the information processing device, the second data in the storage unit, and the server-specific information. Including a second password generation unit for generating two passwords, a first password received from the server, and a verification unit for verifying the generated second password, and a process specified by the process specification information received from the server Whether or not to execute based on the result of the collation is determined.
  • the information processing apparatus generates a first password using a function from the first data and the server specific information, and transmits the generated first password to the server.
  • the terminal receives the second data from the information processing apparatus.
  • the terminal further includes an output unit that outputs information, and an information reception unit that receives information for accepting a user operation for executing a process specified by the process specification information from the server;
  • the output unit outputs operation information based on the received information.
  • the output unit of the terminal includes a display unit that displays an image
  • the information receiving unit is an image of the operation unit that receives a user operation for executing a process specified by the process specifying information from the server.
  • the display unit displays the image of the operation unit based on the received image information.
  • the terminal executes the process specified by the process specifying information when the result of the verification indicates that the first password and the second password match.
  • the process designated by the process designation information includes a reproduction control process for controlling a content reproduction unit for reproducing and outputting the content.
  • the terminal further includes a control signal transmission unit for transmitting the control signal to the electric device having the content reproduction unit, and the control signal is used for executing the process specified by the process specifying information.
  • the signal for controlling the content reproduction part which followed was shown.
  • the electric device includes a device communication unit that communicates via a network
  • the control signal includes an address of the server for communicating with the server via the device communication unit.
  • the content reproduction unit reproduces the content distributed from the server.
  • the content indicates time series data.
  • the server further includes a reproduction position acquisition unit that acquires position information indicating a position in time series of data being reproduced when the content reproduction unit stops reproducing the content, and the position information acquired by the reproduction position acquisition unit Content is distributed based on
  • the server includes a first server that transmits the first password and the processing designation information to the terminal, and a second server indicated by the address, and the server specific information is information specific to the second server. Indicates.
  • the server specific information is identification information for identifying the server in the network.
  • a terminal in a communication system including a server, a terminal, and an information processing apparatus that communicate via a network has the following characteristics.
  • the server receives, from the information processing apparatus, a receiving unit that receives a first password generated using a predetermined function from first data indicating a key and server-specific information unique to the server, and the received first password And a password transmission unit for transmitting the process designation information for designating the process to the terminal.
  • the terminal obtains the second password from the information processing apparatus using a function from the acquisition unit that acquires the second data indicating the key that matches the key indicated by the first data, the acquired second data, and the server specific information. Including a second password generation unit to be generated, a first verification unit that receives the first password received from the server, and a verification unit that collates the generated second password. It is determined whether or not to execute based on the result.
  • a communication method in a communication system including a server, a terminal, and an information processing device that communicates via a network includes: a first data indicating a key from the information processing device; A step of receiving a first password generated by using a predetermined function from server-specific information unique to the server, the received first password, and processing designation information for designating processing are transmitted to the terminal. Steps.
  • a program for causing a processor of a terminal in a communication system including a server, a terminal, and an information processing apparatus that communicate via a network to execute a control method.
  • the server receives, from the information processing apparatus, a receiving unit that receives a first password generated using a predetermined function from first data indicating a key and server-specific information unique to the server, and the received first password And a password transmission unit for transmitting the process designation information for designating the process to the terminal.
  • the control method includes a step in which the storage unit of the processor stores in the memory second data obtained from the information processing apparatus and indicating the key that matches the key indicated by the first data, and the second password generation unit of the processor Generating a second password using a function from the second data and the server-specific information, and a step of verifying the first password received from the server by the verification unit of the processor and the generated second password , And whether or not the process specified by the process specifying information received from the server is to be executed based on the result of the collation is determined.
  • a computer-readable recording medium on which the above program is recorded is provided.
  • Content refers to data of moving images, still images, audio such as music, text such as sentences, games, electronic books, Web (abbreviation of World Wide Web) pages, or combinations thereof.
  • API (abbreviation of application program interface) command corresponds to processing designation information that designates processing executed by a processor such as a CPU (abbreviation of central processing unit).
  • the processing designation information indicates a combination of instructions or functions executed by the processor.
  • Executecute API command indicates that the process specified by the process specification information of the API command is executed.
  • UI User Interface
  • UI User Interface
  • the “UI content” includes the above-described UI and a corresponding API command.
  • “Password” indicates a character string of about several tens of characters including English letters and numbers for obtaining authentication when the user uses the UI.
  • Server domain name is information unique to each server computer in the network, and more specifically, identification information assigned according to a certain rule.
  • Key refers to a character string consisting of letters, numbers, symbols, etc., used to generate a password.
  • User ID indicates a character string made up of English letters, numbers, symbols and the like for identifying the user of the communication system.
  • Content ID indicates a character string composed of English letters, numbers, symbols, and the like for identifying the content.
  • “Reproduction stop position” indicates a position in time series of data being reproduced when the reproduction of the content is stopped on the assumption that the content is time series data. Specifically, this indicates the elapsed time, minute, second, etc. from the beginning when the reproduction is stopped when the reproduction is started from the beginning of the content. Further, if the content is an electronic book, a page number or the like is indicated.
  • “Replay UI content” indicates an operation of decrypting content in the UI content and reproducing the decrypted content. Specifically, the playback player, which is a predetermined program, plays back the decrypted content and outputs it via an output unit (display unit, audio output unit).
  • Remote control code is a code expressed in a predetermined bit length (8 bits or 16 bits), and the remote control code can be obtained by decoding the received remote control signal.
  • the “remote control signal” encodes a remote control code and drives an infrared light emitting unit with the encoded signal, thereby transmitting a remote control signal that is an infrared signal modulated by the remote control code. Further, the remote control code can be obtained by receiving the remote control signal at the light receiving unit and demodulating (decoding) the remote control signal.
  • FIG. 1 shows a schematic configuration of a communication system according to the present embodiment.
  • the system includes one or more terminals 10, one or more terminals 20, a content distribution server 40 that distributes content, an information processing device 30 and a Web (abbreviation of World Wide Web) server 50 that are owned by the seller of the terminal 10. Prepare. These communicate with each other via various networks NT such as the Internet.
  • the terminal 10 and the terminal 20 communicate with the counterpart device via the router RT and the network NT and wirelessly communicate with a remote control signal, or instead of communicating with the counterpart device via the router RT and the network NT. Wireless communication using remote control signals.
  • the terminal 10 communicates with the content distribution server 40, the information processing device 30 on the sales business side of the terminal 10, and the terminal 20 via the router RT and the network NT.
  • the communication form between the terminal 10 and the terminal 20 applies short-distance wireless communication such as IP (abbreviation of Internet Protocol) communication, infrared communication, Bluetooth (registered trademark) via LAN (Local Area Network).
  • IP abbreviation of Internet Protocol
  • Bluetooth registered trademark
  • LAN Local Area Network
  • the communication path between the terminal 10 and the terminal 20 and the communication path between the terminal 10 (or the terminal 20) and the content distribution server 40, the information processing apparatus 30, and the Web server 50 are the same network NT. It may be a different network.
  • FIG. 2 shows a block configuration of the terminal 10.
  • the terminal 10 is assumed to be a terminal that can be carried by the user, such as a mobile phone, a smartphone, and a tablet terminal.
  • the terminal 10 includes a CPU (abbreviation of Central Processing Unit) 11, HDD (abbreviation of Hard Disc Drive), SSD (abbreviation of Solid State Drive), flash memory, ROM (abbreviation of Read Only Memory).
  • a storage medium 17 is detachably mounted, an external I / F (Interface) 16 for reading and writing data to the mounted storage medium 17, and an IR (Remote Control) signal for transmitting / receiving signals InfraRed) includes a communication unit 19.
  • the terminal 10 includes the display unit 13 and the operation unit 14 as a touch panel 18 that functions as an integrated input / output device.
  • the display unit 13 may be an LCD (Liquid Crystal Display) display, an organic EL (electroluminescence) display, or the like.
  • the communication unit 15 has a wired or wireless communication processing function according to a communication method such as wired LAN, WiFi (abbreviation for Wireless Fidelity), 3G (abbreviation for 3rd Generation).
  • FIG. 3 shows a block configuration of the terminal 20.
  • the terminal 20 indicates a controlled terminal that is a target to be controlled by the terminal 10.
  • terminal 20 is, for example, an electric device (including a television (abbreviation of television), a smartphone, a tablet terminal, etc.) having a communication function and an image output function via network NT.
  • the electrical device is a television.
  • a terminal 20 is connected to a CPU 21, a display unit 23 including a liquid crystal display, a storage unit 22 including HDD, SSD, flash memory, ROM, RAM, etc., an operation unit 24 including buttons and keys, and an antenna. Then, a communication unit 25 for receiving a broadcast signal and a storage medium 27 are detachably attached, and an infrared signal such as an external I / F 26 for reading / writing data from / to the attached storage medium 27, a remote control signal, etc. An IR communication unit 28 for transmitting and receiving and an audio output unit 29 for outputting audio are provided.
  • the terminal 20 which is a television is provided with an IR communication unit 28 in order to transmit and receive an infrared-modulated remote control signal from an external remote controller (abbreviation of a remote controller), but the remote control signal transmitted and received by the terminal 20 is limited to an infrared signal. It is not something.
  • a CD-ROM Compact Disc Read Only Memory
  • a memory card a card-type storage device using a flash memory as a storage medium, or the like can be applied.
  • FIG. 4 shows a block diagram of the information processing apparatus 30 according to the present embodiment.
  • the information processing apparatus 30 is assumed to be a computer owned by a sales operator of the terminal 10, for example.
  • the information processing device 30 includes a storage unit 32 including a CPU 31, HDD, SSD, ROM, RAM, and flash memory, a display unit 33 including an LCD, an organic EL, a CRT (Cathode Ray Tube), buttons, keys, and a mouse.
  • An external storage medium such as an operation section 34, a communication section 35 for communicating via the network NT, and a CD-ROM (Compact Disc Read Only Memory) 37 is detachably mounted, and data is read from and written to the mounted storage medium.
  • An external I / F 36 is provided.
  • FIG. 5 shows a block diagram of the content distribution server 40.
  • the content distribution server 40 includes a CPU 41, an HDD, an SSD, a flash memory, a ROM, a storage unit 42 including a RAM, a display unit 43 including an LCD, an organic EL, a CRT, an operation unit 44 including buttons, keys, a mouse, A communication unit 45 for communicating via the network NT, and a storage medium such as a CD-ROM (Compact Disc Read Only Memory) 47 are detachably mounted from the outside, and an external I / O for accessing the mounted storage medium F46 is provided.
  • Web server 50 also has the same configuration as content distribution server 40 in FIG. 5, and therefore description thereof will not be repeated.
  • the content distribution server 40 and the Web server 50 correspond to a server computer that distributes content to a client terminal (in the present embodiment, the terminal 10 or the terminal 20).
  • FIG. 6 shows the appearance of the terminal 10.
  • terminal 10 includes a touch panel 18 on the surface of a housing, buttons and keys 141 that are a part of operation unit 14, and infrared light that is a part of IR communication unit 19 on the side of the housing.
  • the light emitting / receiving unit 191 is provided.
  • FIG. 7 shows the appearance of the terminal 20 that is the controlled terminal of the terminal 10.
  • terminal 20 includes a screen of display unit 23, a speaker corresponding to audio output unit 29, an infrared light receiving and emitting unit that is part of IR communication unit 28, and an operation unit on the surface of the housing. 24 buttons (power button, volume button, channel button, etc.) are provided.
  • the terminal 20 is arranged in the vicinity of the terminal 10 and performs infrared communication.
  • the terminal 20 is connected to the network NT, communication using a wired LAN, wireless LAN, or Bluetooth (registered trademark) is performed. Also good.
  • FIG. 8 shows a functional configuration of the CPU 11 of the terminal 10.
  • the CPU 11 receives an operation of the user through the operation unit 14 and outputs an instruction based on the received operation, the display control unit 111 that controls the display unit 13 to display an image, and the communication unit 15.
  • UI content transmission unit 112 for transmitting UI content to the terminal 20
  • download request unit 113 for transmitting a content download request via the communication unit 15, and reproduction for notifying the content reproduction position via the communication unit 15
  • a location notification unit 114 and a UI content reception unit 115 for receiving UI content via the communication unit 15 are provided.
  • the terminal 10 includes a character string generation unit 116 for generating a character string that is a password different from the password in the UI content to be received, and a verification unit for verifying the generated character string and the received password 117, a command execution unit 118 for executing an API command in UI content, an access unit 119 for accessing (reading / writing) a program or data in the storage unit 12, and a remote control unit 120.
  • the CPU 11 includes a content reproduction unit 123 for reproducing content and a reproduction position acquisition unit 124 for acquiring a reproduction stop position.
  • the remote control unit 120 generates a remote control signal based on the input remote control code, outputs the remote control signal 121 to the IR communication unit 19, analyzes the remote control signal received via the IR communication unit 19, and outputs the remote control code as the analysis result Including a remote control signal analysis unit 122.
  • the UI content transmission unit 112 transmits the UI content via the communication unit 15, but may transmit the UI content via the IR communication unit 19.
  • FIG. 9 shows a functional configuration of the CPU 21 of the terminal 20 that is a controlled terminal.
  • the CPU 21 receives a user operation by the operation unit 24 and outputs an operation reception unit 211 that outputs an instruction based on the received operation, a display control unit 212 that controls the display unit 23 to display an image, an antenna and a communication unit 25.
  • the UI acquisition unit 214 extracts a UI from the UI content received via the communication unit 25.
  • the URL acquisition unit 215 extracts a URL from the UI content received via the communication unit 25.
  • the URL jump unit 216 transmits a content request to the Web server 50 based on the URL.
  • the content acquisition unit 217 extracts content from the UI content received via the communication unit 25.
  • the terminal 20 includes a UI content reproduction unit 218 for reproducing UI content, an access unit 219 for accessing a program or data in the storage unit 22, and a remote control unit 220.
  • the remote control unit 220 generates a remote control signal based on the input remote control code, outputs the remote control signal 221 output to the IR communication unit 28, analyzes the remote control signal received via the IR communication unit 28, and outputs the remote control code as the analysis result Including a remote control signal analysis unit 222.
  • FIG. 10 shows a functional configuration of the CPU 31 of the information processing apparatus 30.
  • the CPU 31 receives a user operation from the display control unit 311 and the operation unit 34 for controlling the display unit 33, and outputs an instruction based on the received operation, a password generation unit 313, and the generated password.
  • a password notification unit 316 that transmits a notification to notify an external device, and a request reception unit 315 that receives a request for a password are provided.
  • the CPU 31 further includes a content distribution unit 317 that receives the content acquisition request, reads the content from the storage unit 32, and transmits the content to the request source.
  • FIG. 11 shows a functional configuration of the CPU 41 of the content distribution server 40.
  • the CPU 41 receives a user operation from the display control unit 411 that controls the display unit 43, the operation unit 44, outputs an instruction based on the received operation, and outputs the generated UI content to the communication unit 45.
  • a password notification unit 416 for notification and a password request unit 417 for transmitting a password request to the information processing apparatus 30 via the communication unit 45 are provided.
  • the CPU 41 further includes a UI content generation unit 418 for generating UI content to be distributed, an access unit 419 for accessing (reading and writing) data or programs in the storage unit 42, and a position management unit 420.
  • FIG. 12 and 13 show process flowcharts of the system according to the embodiment of the present invention.
  • FIG. 14 shows an example of data stored in the storage unit 12 of the terminal 10
  • FIG. 15 shows an example of data stored in the storage unit 42 of the content distribution server 40
  • FIG. An example of data stored in the storage unit 32 of the information processing apparatus 30 is shown.
  • the storage unit 12 includes a terminal identifier 131 for uniquely identifying the terminal 10, a key 701 that is a character string such as alphanumeric characters and symbols, and a user ID 73 for identifying the user of the terminal 10.
  • a content ID 74 for identifying content to be played back by the terminal 10 and a server domain name 71 of the content distribution server 40 are stored.
  • data including the password 72 generated by the terminal 10, the received UI content 81, and the content reproduction stop position 76 are stored.
  • storage unit 42 stores a server domain name 71 of content distribution server 40, content data 91 for each content 92, and a set table 80 corresponding to each of content 92. Further, the password 72 received from the information processing apparatus 30 and the reproduction position table 90 for each user are stored. Further, the Web server domain name 77 of the Web server 50 is stored.
  • the content data 91 includes a content 92 and a content ID 93.
  • the set table 80 includes a content ID 74 of the corresponding content 92 and a set 741.
  • the set 741 includes an API command and a UI to which the API command is assigned.
  • the reproduction position table 90 includes a user ID 73 of the corresponding user, and further includes a content ID 731 of the content and a reproduction stop position 732 of the content corresponding to each content distributed to the user.
  • the reproduction stop position 732 indicates the start position of the content as an initial value. After that, it is overwritten (updated) using the playback stop position acquired each time playback is stopped. Therefore, the reproduction stop position 732 indicates the reproduction stop position 732 registered most recently for the content with the content ID 731.
  • the storage unit 32 of the information processing device 30 stores a device identifier 331 for uniquely identifying the information processing device 30 in the communication system, and a key 702 used to generate a password. . Further, the generated password 72 and the Web server domain name 77 of the Web server 50 are stored.
  • FIG. 17 shows an example of a communication packet PA which is a data packet transmitted / received via the network NT.
  • communication packet PA includes header information 800 including type data of communication packet PA, destination information 801 for specifying a transmission destination of communication packet PA, and a transmission source indicating the transmission source of communication packet PA.
  • Information 802 and data body 803 are included. It is assumed that the communication packet PA is transmitted after being encrypted on the transmission side, and is decrypted on the reception side.
  • the content distribution server 40 receives from the information processing apparatus 30 the first data indicating the key 702 and server specific information (for example, server domain name) specific to the server that distributes the content.
  • server specific information for example, server domain name
  • a first password generated using a predetermined function is received.
  • the received first password and process designation information (API command) for designating the process are transmitted to the terminal 10.
  • second data indicating a key that matches the key 702 indicated by the first data is acquired in advance from the information processing apparatus 30, and the above-described function is used from the acquired second data and server specific information. To generate a second password.
  • the above-mentioned specific information is a server domain name in this embodiment, but it may be any data that can identify the server on the network, and may be an IP (Internet Protocol) address, MAC (Media Access Control). It may be an address.
  • IP Internet Protocol
  • MAC Media Access Control
  • the information processing apparatus 30 uses the key 702 read from the storage unit 32 when the terminal 10 is sold to the user, in the storage unit 12 of the terminal 10.
  • the information is stored in the flash memory, or the terminal 10 receives the key 702 from the information processing device 30 via an HP (Home Page) provided by the information processing device 30 and stores the key 702 in the storage unit 12 or the like.
  • the acquisition method may be any method, and is not limited to these methods.
  • the above-described HP has a UI page that is a page of UI content provided by the content distribution server 40.
  • the user discloses the server domain name of the content distribution server 40 that provides the UI content on the UI page of the desired UI content, and the terminal 10 provides the content that provides the desired UI content from the UI page. It is assumed that the server domain name 71 of the distribution server 40 is acquired.
  • the user of terminal 10 can make a UI content download request in order to reproduce desired content.
  • the content distribution server 40 and the information processing apparatus 30 Prior to this download request, the content distribution server 40 and the information processing apparatus 30 generate a password 72 by communication.
  • the password request unit 417 of the content distribution server 40 generates and transmits a communication packet PA for a password issue request (step S10).
  • the type data of the header information 800 indicates “password request”
  • the destination information 801 indicates the device identifier of the information processing device 30
  • the transmission source information 802 indicates the server domain name 71 read from the storage unit 42.
  • the data body 803 indicates empty data.
  • the information processing apparatus 30 When the information processing apparatus 30 receives the communication packet PA, the information processing apparatus 30 generates a password (step S12).
  • the communication unit 35 receives the communication packet PA and determines that the destination information 801 matches the device identifier 331 of the storage unit 32, the communication unit 35 receives the communication packet PA. On the other hand, if they do not match, the communication packet PA is discarded.
  • the communication unit 35 outputs the communication packet PA to the request reception unit 315 based on the type data (“password request”) of the header information 800 of the communication packet PA.
  • the request accepting unit 315 extracts the server domain name 71 of the destination information 801 from the input communication packet PA and outputs it to the password generating unit 313.
  • the password generation unit 313 generates a password using a predetermined hash function from the server domain name 71 and the key 702 read from the storage unit 32.
  • the generated password 72 is stored in the storage unit 32, and the password notification unit 316 notifies the request source content distribution server 40 of the password using the communication packet PA that stores the password 72 as the data body 803. (Step S14).
  • the type data of the header information 800 indicates “password notification”
  • the destination information 801 indicates the transmission source information 802 of the communication packet PA received in step S10
  • the transmission source information 802 is read from the storage unit 32.
  • the device identifier 331 is shown.
  • the data body 803 of the communication packet PA is output to the access unit 419 based on the fact that the type data of the header information 800 indicates “password notification”. .
  • the access unit 419 stores the password indicated by the data body 803 in the storage unit 42 as the password 72.
  • the terminal 10 transmits a UI content download request (download is described as “DL” in the drawing) (step S16).
  • the user of the terminal 10 operates the operation unit 14 to input a content request including a content ID that specifies content.
  • the input content ID is stored in the storage unit 12 as a content ID 74.
  • the operation reception unit 110 outputs a request instruction including the received content ID.
  • the download request unit 113 generates a communication packet PA for a UI content download request based on the request instruction, and transmits the communication packet PA via the communication unit 15.
  • the type data of the header information 800 indicates “UI content request”
  • the destination information 801 and the transmission source information 802 indicate the server domain name 71 and the terminal identifier 131 read from the storage unit 12, respectively.
  • the main body 803 includes a user ID 73 and a content ID 74 read from the storage unit 12.
  • the content distribution server 40 Upon receiving the UI content download request communication packet PA, the content distribution server 40 generates a communication packet PA including the UI content (step S18).
  • the communication unit 45 when receiving the communication packet PA, the communication unit 45 outputs the communication packet PA to the request reception unit 415 based on the type data “UI content request” of the header information 800.
  • the request reception unit 415 outputs the data body 803 of the communication packet PA to the UI content generation unit 418, and outputs the destination information 801 and the transmission source information 802 to the UI content transmission unit 413.
  • the UI content generation unit 418 searches the storage unit 42 via the access unit 419 based on the content ID 74 of the data body 803. Based on the search result, the set table 80 including the content ID 74 is specified, and UI content is generated from the UI 741 and the API command 742 of the specified set table 80.
  • the UI 741 includes a plurality of operation unit images
  • the API command 742 includes processing designation information corresponding to each of the operation unit images.
  • the UI content generation unit 418 generates the UI content 75 by assigning corresponding processing designation information to each of the operation unit images of the UI 741.
  • the UI content transmission unit 413 generates a communication packet PA in which the generated UI content 75 and the password 72 read from the storage unit 42 are stored as the data body 803, and transmits the communication packet PA via the communication unit 45 (step S20).
  • the UI content transmission unit 413 sets “UI content” in the type data of the header information 800 of the communication packet PA, and the transmission source information 802 and the destination information input from the request reception unit 415 to the destination information 801 and the transmission source information 802. Each of 801 is set.
  • the UI content generation unit 418 searches the reproduction position table 90 of the storage unit 42 via the access unit 419 based on the user ID 73 and the content ID 74 of the data body 803. Based on the search result, a playback position that has a user ID 73 and a content ID 731 indicating character strings that match the character strings of the user ID 73 and the content ID 74, and the playback stop position 732 corresponding to the content ID 731 indicates a value that is not an initial value.
  • the UI content may be generated using the specified reproduction position table 90.
  • the content distribution server 40 downloads the UI content 75 including the generated password 72 to the requesting terminal 10 (step S20).
  • the authentication process of the content distribution server 40 is performed (step S22).
  • the communication unit 15 receives the communication packet PA, and outputs destination information 801 and transmission source information 802 to the reproduction position notification unit 114 based on the fact that the type data indicates “UI content”.
  • the password 72 of the data body 803 is output to the collation unit 117
  • the UI content 75 is output to the command execution unit 118
  • the character string generation unit 116 is activated.
  • the character string generation unit 116 generates a password using a predetermined hash function from the key 701 and the server domain name 71 read from the storage unit 12 via the access unit 119, and outputs the password to the verification unit 117.
  • the collation unit 117 collates the received password and the generated password, and outputs the collation result to the command execution unit 118.
  • the information processing apparatus 30 supplies the hash function information together with the key 701 when the key 701 is supplied to the terminal 10. Therefore, the hash function used by the collation unit 117 for password generation matches the hash function used by the information processing apparatus 30 for password generation.
  • the command execution unit 118 determines that the verification result indicates that both passwords match, the command execution unit 118 executes the API command of the UI content 75 (step S24).
  • the command execution unit 118 By executing the API command, the command execution unit 118 outputs a command for displaying the UI operation unit image to the display control unit 111.
  • the display control unit 111 controls the display unit 13 to display the operation unit image according to the command.
  • a display example is shown in FIG. Note that the content distribution server 40 reads the content 92 corresponding to the UI content 75 from the storage unit 42 and performs streaming distribution to the terminal 10.
  • FIG. Icon 93C is an operation button for instructing start / stop of content reproduction
  • icons 91C and 92C are operation buttons for adjusting the volume.
  • the terminal 10 when the operation unit image displayed based on the UI content 75 is operated, the terminal 10 is operated according to various commands (for example, activation of content on the television, start / end of content playback, stop playback). , Volume control, screen adjustment (brightness / darkness adjustment), TV power on / off, TV timer adjustment, content control channel control commands, etc. it can.
  • various commands for example, activation of content on the television, start / end of content playback, stop playback. , Volume control, screen adjustment (brightness / darkness adjustment), TV power on / off, TV timer adjustment, content control channel control commands, etc. it can.
  • the operation reception unit 110 receives the operation and outputs an instruction according to the received operation.
  • the remote control signal generation unit 121 inputs the signal as a remote control code and outputs a remote control signal for controlling the television to the terminal 20.
  • the terminal 20 receives the remote control signal, analyzes it by the remote control signal analysis unit 222, and outputs a remote control code based on the analysis result.
  • the content playback unit 218 controls the playback and output of the content according to the remote control code.
  • the output volume is controlled based on the remote control code.
  • the display control unit 212 displays a picture of the indicator 94C indicating the volume that changes in conjunction with the operation of the icons 91C and 92C on the screen of the display unit 23. Further, data 94B for indicating the sound volume with a numerical value is shown in relation to the indicator 94C.
  • step S24 the API command for controlling the television is assigned to the UI operation unit image.
  • step S26 the process of step S26 is performed. Transition.
  • the content reproduction unit 123 controls the reproduction of the content on the display unit 13 in accordance with an instruction based on the operation received by the operation reception unit 110 (step 26).
  • the playback position acquisition unit 124 acquires the playback stop position in response to the instruction, and plays back the playback position. Output to the notification unit 114.
  • the content is time-series data, and the time-series data is distributed in units of a predetermined size. Each unit data includes time-series position data (page number, elapsed time from the beginning to the unit data when the content is reproduced from the beginning), and the like.
  • the playback position acquisition unit 124 acquires the playback stop position by extracting position data from the unit data being played back, and stores it in the storage unit 12 as the playback stop position 76.
  • the reproduction position notifying unit 114 generates and transmits a communication packet PA to notify the content distribution server 40 of the reproduction stop position (step S28).
  • the data body 803 indicates the user ID 73, the content ID 74, and the reproduction stop position 76 read from the storage unit 12, the type data of the header information 800 indicates “position notification”, and the destination information 801 indicates the server domain name. 71, the transmission source information 802 indicates the terminal identifier 131.
  • the content distribution server 40 receives the communication packet PA transmitted in step S28, and the position management unit 420 stores the data body 803 in the reproduction position table 90 via the access unit 419 (step S30).
  • the reproduction position table 90 is searched based on the user ID 73 and the content ID 74 of the data body 803. Based on the search result, the reproduction position table 90 having the user ID 73 is identified, and the reproduction stop position 732 corresponding to the content ID 731 indicating the character string matching the character string of the content ID of the identified reproduction position table 90 is Overwriting is performed using the reproduction stop position 76 of the data body 803.
  • step S18 the UI content generation unit 418 specifies the reproduction position table 90 having the user ID 731 and the content ID 731 indicating the character string that matches the character string indicated by the user ID 73 and the content ID 74 based on the search result of the reproduction position table 90. If it is determined that the playback stop position 732 corresponding to the content ID 731 is not the initial value, the UI content 75 is generated using the content ID 731 and the playback stop position 732 of the specified playback position table 90.
  • the UI content generation unit 418 searches the set table 80 having the content ID 74 that matches the content ID 731 based on the content ID 731, and reads the set of the UI 741 and the API command 742 from the searched set table 80. Then, an API command is generated from the read set of API commands 742 so that an operation unit image for instructing the start of content reproduction is displayed from the reproduction stop position 732 registered most recently.
  • UI content 75 is generated from the generated new API command and UI 741. Therefore, in subsequent steps S24 and S26, when the newly generated API command is executed, and the content that has been reproduced and viewed on the terminal 10 is stopped, the home The reproduction of the content can be resumed from the latest reproduction stop position on the television of the terminal 20. On the contrary, the content reproduced and viewed on the television of the home terminal 20 can be resumed from the latest reproduction stop position by using the terminal 10 at the outside.
  • step S22 since the password is verified in step S22, only the UI content API command from the authenticated content distribution server 40 is executed in the terminal 10 and the terminal 20.
  • step S10 of FIG. 12 the timing at which a password issue request is transmitted from the content distribution server 40 to the information processing apparatus 30 in step S10 of FIG. 12 will be described. This is performed only once when the content distributor of the content distribution server 40 creates the UI page, and as long as the same server domain name 71 is used, no password issuance request is made.
  • the content distribution server 40 that provides the remote control function to the terminal 10 is restricted.
  • the malicious content distribution server 40 can be eliminated.
  • FIG. 13 shows a modification of the flowchart of FIG.
  • the content distribution server 40 distributes both the UI content and the corresponding reproduction content.
  • the UI content and the reproduction content may be distributed from different servers. Good.
  • the content distribution server 40 distributes UI content, but the reproduction content corresponding to the UI content is distributed from the Web server 50.
  • each of the terminal 10 and the information processing apparatus 30 has a key 701 and a key 702 that matches the key 701, and the content distribution server 40 is a Web server domain of the Web server 50 that distributes reproduction content.
  • the name 77 is stored in advance.
  • FIGS. 12 and 13 are compared.
  • the processing of steps S40, S42, S44, S46, S48, S50, and S52 of FIG. 13 is compared with the processing of S10 to S22 of FIG.
  • the key and the server domain name of the content distribution server 40 are used in steps S40 to S52, the key and the server domain name 77 of the Web server 50 are used. Since the other processes are the same as those in steps S10 to S22, the description will not be repeated.
  • step S54 After the processing of steps S40 to S52 in FIG. 13 is performed, when the command execution unit 118 of the terminal 10 determines that the passwords match, the API command of the UI content 75 is displayed. Is executed (step S54).
  • the command execution unit 118 By executing the API command, the command execution unit 118 outputs a command for displaying the UI operation unit image to the display control unit 111.
  • the display control unit 111 controls the display unit 13 to display the operation unit image according to the command. A display example is shown in FIG.
  • FIG. 19A shows the display screen of the terminal 10
  • FIG. 19B shows the display screen of the terminal 20
  • FIG. 19C shows another display screen of the terminal 10. .
  • FIG. 19A shows a screen when the terminal 10 starts executing the API command.
  • icons 95C and 96C which are operation unit images displayed by executing the API command, are displayed on the title image of the content.
  • the icon 95C is operated when the content is played back on the terminal 10 (including playback from the playback stop position), and the icon 96C is operated when the content is played back on the television of the terminal 20 (including playback from the playback stop position). Is done.
  • a playback start remote control signal including “content ID and Web server name” is transmitted from the terminal 10 to the terminal 20.
  • the remote control signal analysis unit 222 analyzes the remote control signal and outputs the analysis result to the URL acquisition unit 215.
  • the URL acquisition unit 215 extracts a URL according to the Web server name from the analysis result, and outputs the extracted URL to the URL jump unit 216.
  • the URL jump unit 216 requests content distribution to the Web server 50 based on the URL (step S56). In response to the request, the Web server 50 performs streaming distribution of the content with the content ID to the terminal 20.
  • the content acquisition unit 217 receives the distributed content and outputs it to the content reproduction unit 218.
  • the content reproduction unit 218 reproduces the received content and displays it on the display unit 23 via the display control unit 212 (see FIG. 19B).
  • the terminal 10 When the icon 95C is operated, the terminal 10 requests content distribution from the Web server 50 according to the Web server name, receives content streaming distribution of the content ID from the Web server 50, and displays it.
  • the terminal 10 When the icon 96C is operated and the content is reproduced and output on the terminal 20 as shown in FIG. 19B, the terminal 10 functions as a remote control for the television of the terminal 20 (FIG. 19C). reference). Specifically, when the API command is executed, icons 91C, 92C, 99C, and 100C and indicators 97C and 98C, which are operation unit images for accepting remote control operations, are displayed.
  • the indicator 97C indicates the current playback position of the content.
  • the reproduction position is indicated by position data of each unit data to which the terminal 20 is streamed.
  • the content reproduction unit 218 of the terminal 20 extracts position data from the unit data and outputs the position data to the remote control signal generation unit 221.
  • the remote control signal generation unit 221 transmits a remote control signal indicating position data to the terminal 10.
  • the remote control signal analysis unit 122 of the terminal 10 analyzes the received remote control signal.
  • the CPU 11 displays the indicator 97C based on the analysis result on the display unit 13 via the display control unit 111.
  • Indicator 98 is displayed to indicate the current output volume in conjunction with the operation of icons 91C and 92C for adjusting the volume of the television.
  • data 97B indicating the total playback time of the content is displayed in association with the indicator 97C
  • data 98B indicating the volume in numerical values is displayed in association with the indicator 98C.
  • Icons 99C and 100C are buttons operated to specify a characteristic output mode for each content.
  • the characteristic output mode includes super slow playback and super zoom playback.
  • the content distribution server 40 can manage the playback stop position 732 and play back from the playback stop position.
  • the content distribution server 40 receives the playback stop position from the terminal 10 as shown in process A of FIG. 13 (step S58), but plays back on the television of the terminal 20 If so, as shown in process B of FIG. 13, the playback stop position is received from the Web server 50 (step S60). That is, when a content reproduction stop operation is performed on the television, the terminal 20 transmits a distribution stop request including the content ID and the user ID stored in advance in the storage unit 22 to the Web server 50. When receiving the distribution stop request, the Web server 50 stops the distribution, and transmits the position data of the last distributed unit data to the content distribution server 40 together with the user ID and the content ID as the reproduction stop position. The content distribution server 40 manages the playback stop position received from the terminal 10 or the Web server 50 using the playback position table 90.
  • the terminal 10 is provided with a remote control function for controlling the terminal 20 by the UI content, and the Web server 50 indicated by the URL designated by the remote control of the terminal 20 is provided.
  • the Web server 50 indicated by the URL designated by the remote control of the terminal 20 is provided.
  • password verification may be made necessary / unnecessary by a function realized by executing an API command assigned to a UI (icons 95C, 96C, etc.).
  • the content distributed from the Web server 50 may be game content.
  • FIG. 20A a title image of a game is displayed on the terminal 10, and an icon 200C that is an operation unit image for starting the game is displayed on the title image.
  • icon 200C When icon 200C is operated, a remote control signal for instructing game start is transmitted to terminal 20.
  • the terminal 20 distributes the game content from the Web server 50 in accordance with the content acquisition procedure described above, and displays an image of the distributed game content on the display unit 23 (see FIG. 20B).
  • the icon 200C displays an icon 201C of the operation unit image of the game machine (see FIG. 20C).
  • a remote control signal based on the operation can be transmitted to the terminal 20, and the game can be advanced.
  • the terminal 20 functions as a controller for the game machine.
  • the content distribution server 40 manages the playback stop position received from the terminal 10 or the Web server 50 using the playback position table 90 according to the same procedure as described above, thereby stopping the playback. It becomes possible to restart the game from the position.
  • the content distributed to the terminal 10 according to the procedure of FIG. 12 or FIG. 13 may be an electronic book content.
  • the terminal 10 receives the content of the electronic book from the Web server 50 and stores it in the storage unit 12.
  • the terminal 10 functions as an electronic book viewing terminal by executing the API command.
  • the title image of the electronic book is displayed on the terminal 10, and an icon 102C that is an operation unit image for jumping to a predetermined page of the electronic book is displayed on the title image.
  • the terminal 10 searches for and reads predetermined page data of the electronic book in the storage unit 12, and displays an image 103C of the read page data on the display unit 13 (see FIG. 21B). .
  • calendar content may be distributed.
  • a calendar title image is displayed on the terminal 10, and an operation unit image for jumping to a calendar with a predetermined date (March 3 in the figure) is displayed on the title image.
  • An icon 104C is displayed.
  • an API command is executed.
  • the terminal 10 searches the distributed calendar data stored in the storage unit 12 based on a predetermined date, and schedule data for a predetermined date. Is read from the calendar data, and an image of the read schedule data is displayed on the display unit 13 (see FIG. 22B).
  • the UI is provided as a displayed image, but is not limited to an image. That is, the terminal 10 (20) may include an output unit for receiving audio / video data as a UI from the server and outputting them.
  • the information processing method in the terminal 10 described above can also be provided as a program.
  • a program can be provided as a storage medium 17 attached to the computer.
  • it can be recorded on a computer-readable recording medium such as a flexible disk, CD-ROM (Compact Disc Read Only Memory), ROM, RAM, and memory card, and provided as a program product.
  • the program can also be provided by downloading via the network NT.
  • the program can be supplied to a terminal 10 having a CPU 11 which is a processor and having a computer function, using a storage medium 17 corresponding to a computer-readable recording medium.
  • the CPU 11 reads and executes a program stored in the storage medium 17 via the external I / F 16.
  • the terminal 10 can also store the program in a predetermined area of the storage unit 12 by downloading via the network NT.
  • the terminal 10 is supplied with a program product for realizing the method according to the above-described embodiment using a computer.
  • the program product includes the program itself and a recording medium on which the program is recorded.
  • the determination of whether or not the service is a malicious content delivery server 40 by password verification is completed only by the terminal 10 that receives data including the API command. It is only necessary to have a function of accepting an instruction by executing an API command, and no special improvement is required.
  • the service provided to the terminal 20 such as a television via communication can be controlled from the service provider side using unique information such as a server domain name. Therefore, URL jump destination control can also be realized.
  • the information processing apparatus 30 rewrites the key 701 of the terminal 10 via the network NT, so that the third Countermeasures against unauthorized use of keys by a person can be taken relatively easily. As a result, it is possible to permit execution of an API command distributed only to the terminal 10 having the regular key 701.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Information Transfer Between Computers (AREA)
PCT/JP2012/068204 2011-12-07 2012-07-18 通信システム Ceased WO2013084534A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2012800031475A CN103238292A (zh) 2011-12-07 2012-07-18 通信系统
US13/876,502 US20130326601A1 (en) 2011-12-07 2012-07-18 Communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011267605A JP2013121039A (ja) 2011-12-07 2011-12-07 通信システム
JP2011-267605 2011-12-07

Publications (1)

Publication Number Publication Date
WO2013084534A1 true WO2013084534A1 (ja) 2013-06-13

Family

ID=48573919

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/068204 Ceased WO2013084534A1 (ja) 2011-12-07 2012-07-18 通信システム

Country Status (4)

Country Link
US (1) US20130326601A1 (https=)
JP (1) JP2013121039A (https=)
CN (1) CN103238292A (https=)
WO (1) WO2013084534A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9953174B2 (en) * 2015-08-31 2018-04-24 Nxp B.V. Method and system for in-band password management for inductive wireless charging
US20170076106A1 (en) 2015-09-16 2017-03-16 Qualcomm Incorporated Apparatus and method to securely control a remote operation
JP2018032917A (ja) * 2016-08-23 2018-03-01 シャープ株式会社 ネットワークシステム、情報処理方法、サーバ、電気機器、通信端末、およびプログラム
EP3550771A4 (en) * 2016-11-30 2019-12-18 Nec Corporation COMMUNICATION DEVICE, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM
US11558367B2 (en) * 2020-03-25 2023-01-17 International Business Machines Corporation Network based password policy detection and enforcement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005341238A (ja) * 2004-05-27 2005-12-08 Kddi Corp 電子メッセージを利用した遠隔制御システム
JP2009260710A (ja) * 2008-04-17 2009-11-05 Sharp Corp 操作対象装置、許可入力装置、遠隔操作システム、制御方法、制御プログラム、および該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
JP2010205055A (ja) * 2009-03-04 2010-09-16 Sharp Corp データ提供装置、操作装置、データ処理装置、操作システム、データ提供装置の制御方法、操作装置の制御方法、データ処理装置の制御方法、制御プログラム、および制御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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08272924A (ja) * 1995-03-29 1996-10-18 Mitsubishi Electric Corp Ｉｃカード
JPH09303019A (ja) * 1996-05-20 1997-11-25 Sony Corp 識別信号の登録方法及び識別信号の登録装置
JP4487490B2 (ja) * 2003-03-10 2010-06-23 ソニー株式会社 情報処理装置、およびアクセス制御処理方法、情報処理方法、並びにコンピュータ・プログラム
KR20040082822A (ko) * 2003-03-20 2004-09-30 엘지전자 주식회사 원격제어를 위한 사용자 인증방법 및 원격제어장치
JP2005056207A (ja) * 2003-08-05 2005-03-03 Sanyo Electric Co Ltd ネットワークシステム、宅内機器制御サーバおよび仲介サーバ
KR100631199B1 (ko) * 2004-10-18 2006-10-04 삼성전자주식회사 리모콘 장치를 이용한 디바이스 설정 시스템 및 방법
JP4960883B2 (ja) * 2004-12-21 2012-06-27 エミュー ホールディングス ピーティワイ リミテッド 認証デバイスおよび／または方法
JP2007172389A (ja) * 2005-12-22 2007-07-05 Fuji Xerox Co Ltd コンテント配信装置
JP2009193272A (ja) * 2008-02-13 2009-08-27 Aruze Corp 認証システム及び携帯端末
US8001379B2 (en) * 2008-03-26 2011-08-16 Mformation Technologies Inc. Credential generation system and method for communications devices and device management servers
US8140855B2 (en) * 2008-04-11 2012-03-20 Microsoft Corp. Security-enhanced log in
CN101340436B (zh) * 2008-08-14 2011-05-11 普天信息技术研究院有限公司 基于便携式存储设备实现远程访问控制的方法及装置
WO2011025199A2 (en) * 2009-08-24 2011-03-03 Samsung Electronics Co., Ltd. Contents reproducing device and method
JP5474644B2 (ja) * 2010-04-14 2014-04-16 株式会社ソニー・コンピュータエンタテインメント サーバ接続方法、サーバ、および遠隔操作システム
US8407755B2 (en) * 2010-07-27 2013-03-26 Sony Corporation Control of IPTV using second device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005341238A (ja) * 2004-05-27 2005-12-08 Kddi Corp 電子メッセージを利用した遠隔制御システム
JP2009260710A (ja) * 2008-04-17 2009-11-05 Sharp Corp 操作対象装置、許可入力装置、遠隔操作システム、制御方法、制御プログラム、および該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
JP2010205055A (ja) * 2009-03-04 2010-09-16 Sharp Corp データ提供装置、操作装置、データ処理装置、操作システム、データ提供装置の制御方法、操作装置の制御方法、データ処理装置の制御方法、制御プログラム、および制御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

Also Published As

Publication number Publication date
CN103238292A (zh) 2013-08-07
JP2013121039A (ja) 2013-06-17
US20130326601A1 (en) 2013-12-05

Similar Documents

Publication Publication Date Title
US11417663B2 (en) System and method for data collection and exchange with protected memory devices
KR100998792B1 (ko) 통신 시스템 및 방법, 정보 처리 장치 및 방법, 정보 관리장치 및 방법, 기록 매체 및 프로그램
US10558811B2 (en) System and method for data collection and exchange with protected memory devices
US20070288967A1 (en) Method and system for downloading content to a content downloader
JPWO2008114389A1 (ja) コンテンツ再生システム及びその制御方法
WO2006023116A2 (en) System and method for enabling device dependent rights protection
JP2016503605A (ja) コンテンツ再生方法及び装置
WO2013084534A1 (ja) 通信システム
US20100192233A1 (en) Content reproduction device
CN101252674B (zh) 网络系统、服务器设备、终端设备、内容指南的显示方法
JP4932047B1 (ja) コンテンツ又はアプリケーションの提供システム、コンテンツ又はアプリケーションの提供システムの制御方法、端末装置、端末装置の制御方法、認証装置、認証装置の制御方法、プログラム、及び情報記憶媒体
JP5445017B2 (ja) 情報処理装置、情報処理方法およびプログラム
CN116347162A (zh) 用于提供多部分持续内容的系统和方法
US9537860B2 (en) Display control apparatus, display control method and server system
JP4387962B2 (ja) コンテンツ再生装置、コンテンツ再生方法及びプログラム
US7908666B2 (en) Content playing system for reliably determining an authentication of a playing terminal
JP2013210931A (ja) サーバシステム、プログラム及び情報記憶媒体
JP2005128960A (ja) コンテンツの再生装置及び方法
JP5729953B2 (ja) コンテンツ配信システム及びサーバ
JP2007034895A (ja) 情報管理装置、情報管理方法、及び情報管理システム
JP2008177962A (ja) コンテンツ記録システム、端末装置、記録装置、コンテンツ記録方法、端末装置用のコンピュータプログラム、及び記録装置用のコンピュータプログラム
JP6813705B1 (ja) コンテンツ利用システム、コンテンツ利用方法、ユーザ端末、プログラムおよび配信サーバ
KR20030046817A (ko) 예약분산전송을 통한 멀티미디어 데이터 전송방법
JP4590873B2 (ja) コンテンツ再生装置
JP6094496B2 (ja) カラオケシステム、カラオケシステムにおけるログイン方法

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 13876502

Country of ref document: US

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12854565

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12854565

Country of ref document: EP

Kind code of ref document: A1