IL140787A0 - Method and apparatus for secure communication of information between a plurality of digital audiovisual devices - Google Patents

Method and apparatus for secure communication of information between a plurality of digital audiovisual devices

Info

Publication number
IL140787A0
IL140787A0 IL14078799A IL14078799A IL140787A0 IL 140787 A0 IL140787 A0 IL 140787A0 IL 14078799 A IL14078799 A IL 14078799A IL 14078799 A IL14078799 A IL 14078799A IL 140787 A0 IL140787 A0 IL 140787A0
Authority
IL
Israel
Prior art keywords
information
secure communication
kpubt
digital audiovisual
public key
Prior art date
Application number
IL14078799A
Other languages
English (en)
Original Assignee
Canal Plus Sa
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 Canal Plus Sa filed Critical Canal Plus Sa
Publication of IL140787A0 publication Critical patent/IL140787A0/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network 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
    • H04L63/0442Network 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 wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60Network 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 
    • H04N21/63Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633Control signals issued by server directed to the network components or client
    • H04N21/6332Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/065Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823Network architectures or network communication protocols for network security for authentication of entities using certificates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0853Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/418External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43632Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367Establishing a secure communication between the client and a peripheral device or smart card
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/462Content 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
    • H04N21/4623Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Circuits Of Receivers In General (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Storage Device Security (AREA)
  • Communication Control (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Studio Circuits (AREA)
IL14078799A 1998-07-15 1999-07-14 Method and apparatus for secure communication of information between a plurality of digital audiovisual devices IL140787A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98401778 1998-07-15
EP98401870 1998-07-22
PCT/IB1999/001323 WO2000004718A1 (en) 1998-07-15 1999-07-14 Method and apparatus for secure communication of information between a plurality of digital audiovisual devices

Publications (1)

Publication Number Publication Date
IL140787A0 true IL140787A0 (en) 2002-02-10

Family

ID=26151667

Family Applications (1)

Application Number Title Priority Date Filing Date
IL14078799A IL140787A0 (en) 1998-07-15 1999-07-14 Method and apparatus for secure communication of information between a plurality of digital audiovisual devices

Country Status (24)

Country Link
US (1) US6904522B1 (xx)
EP (1) EP1099348B1 (xx)
JP (1) JP2002521879A (xx)
KR (1) KR20010053539A (xx)
CN (1) CN1317203A (xx)
AT (1) ATE226379T1 (xx)
AU (1) AU755892B2 (xx)
BR (1) BR9912091A (xx)
CA (1) CA2337066A1 (xx)
DE (1) DE69903557T2 (xx)
ES (1) ES2185365T3 (xx)
HK (1) HK1033518A1 (xx)
HR (1) HRP20010033A2 (xx)
HU (1) HUP0301694A2 (xx)
ID (1) ID27161A (xx)
IL (1) IL140787A0 (xx)
JO (1) JO2117B1 (xx)
MY (1) MY119594A (xx)
NO (1) NO20010227L (xx)
NZ (1) NZ509760A (xx)
PL (1) PL345531A1 (xx)
RU (1) RU2001104413A (xx)
TR (1) TR200100571T2 (xx)
WO (1) WO2000004718A1 (xx)

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WO2000004718A1 (en) 2000-01-27
CN1317203A (zh) 2001-10-10
ES2185365T3 (es) 2003-04-16
DE69903557T2 (de) 2003-06-26
HUP0301694A2 (en) 2003-09-29
NO20010227D0 (no) 2001-01-12
ID27161A (id) 2001-03-08
KR20010053539A (ko) 2001-06-25
JO2117B1 (en) 2000-05-21
HK1033518A1 (en) 2001-08-31
CA2337066A1 (en) 2000-01-27
ATE226379T1 (de) 2002-11-15
JP2002521879A (ja) 2002-07-16
RU2001104413A (ru) 2003-01-27
EP1099348B1 (en) 2002-10-16
BR9912091A (pt) 2001-04-03
AU4642599A (en) 2000-02-07
HRP20010033A2 (en) 2002-02-28
TR200100571T2 (tr) 2001-07-23
AU755892B2 (en) 2003-01-02
PL345531A1 (en) 2001-12-17
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NO20010227L (no) 2001-03-15
DE69903557D1 (de) 2002-11-21

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