AU2002228799A1 - Data scrambling system for a shared transmission medium - Google Patents

Data scrambling system for a shared transmission medium

Info

Publication number
AU2002228799A1
AU2002228799A1 AU2002228799A AU2879902A AU2002228799A1 AU 2002228799 A1 AU2002228799 A1 AU 2002228799A1 AU 2002228799 A AU2002228799 A AU 2002228799A AU 2879902 A AU2879902 A AU 2879902A AU 2002228799 A1 AU2002228799 A1 AU 2002228799A1
Authority
AU
Australia
Prior art keywords
transmission medium
shared transmission
data scrambling
scrambling system
data
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.)
Abandoned
Application number
AU2002228799A
Inventor
Robert P. Basil
Gordon Thomas Mitchell
Bradley Richard Ree
John B. Terry
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.)
coaXmedia Inc
Original Assignee
coaXmedia Inc
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 coaXmedia Inc filed Critical coaXmedia Inc
Publication of AU2002228799A1 publication Critical patent/AU2002228799A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42676—Internal components of the client ; Characteristics thereof for modulating an analogue carrier signal to encode digital information or demodulating it to decode digital information, e.g. ADSL or cable modem
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
    • 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
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
    • 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 
    • H04N21/63—Control 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
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
    • H04N21/63775—Control signals issued by the client directed to the server or network components directed to server for uploading keys, e.g. for a client to communicate its public key to the server
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)
  • Computer And Data Communications (AREA)
AU2002228799A 2000-11-08 2001-11-08 Data scrambling system for a shared transmission medium Abandoned AU2002228799A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24668400P 2000-11-08 2000-11-08
US60/246,684 2000-11-08
PCT/US2001/046461 WO2002039661A2 (en) 2000-11-08 2001-11-08 Data scrambling system for a shared transmission medium

Publications (1)

Publication Number Publication Date
AU2002228799A1 true AU2002228799A1 (en) 2002-05-21

Family

ID=22931760

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002228799A Abandoned AU2002228799A1 (en) 2000-11-08 2001-11-08 Data scrambling system for a shared transmission medium

Country Status (8)

Country Link
EP (1) EP1334601A2 (en)
JP (1) JP2004523937A (en)
KR (1) KR20030048464A (en)
CN (1) CN1473423A (en)
AU (1) AU2002228799A1 (en)
CA (1) CA2425388A1 (en)
MX (1) MXPA03004031A (en)
WO (1) WO2002039661A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4235520B2 (en) 2003-09-22 2009-03-11 株式会社リコー Information processing apparatus, printing apparatus, print data transmission method, printing method, print data transmission program, and recording medium
EP1821538A1 (en) * 2006-02-15 2007-08-22 Irdeto Access B.V. Method and system providing scrambled content
KR100923858B1 (en) * 2007-12-04 2009-10-28 한국전자통신연구원 Cable network system and method for controlling security in cable network dynamic encrypted multicast session
CN104158643B (en) 2008-10-31 2017-08-15 Lg电子株式会社 The method for sending broadcast singal
MX2017012275A (en) 2015-03-26 2018-05-28 Maxxian Tech Inc � Systems and methods for detecting and interfering with compromised devices and unauthorized device relocation in a communication network.
WO2020025252A1 (en) * 2018-07-31 2020-02-06 Telefonaktiebolaget Lm Ericsson (Publ) Method, transmitter, structure, transceiver and access point for provision of multicarrier on-off keying signal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL102394A (en) * 1992-07-02 1996-08-04 Lannet Data Communications Ltd Method and apparatus for secure data transmission
US5375169A (en) * 1993-05-28 1994-12-20 Tecsec, Incorporated Cryptographic key management method and apparatus
US5787483A (en) * 1995-09-22 1998-07-28 Hewlett-Packard Company High-speed data communications modem

Also Published As

Publication number Publication date
EP1334601A2 (en) 2003-08-13
MXPA03004031A (en) 2004-05-05
KR20030048464A (en) 2003-06-19
WO2002039661A3 (en) 2003-02-20
WO2002039661A2 (en) 2002-05-16
CN1473423A (en) 2004-02-04
CA2425388A1 (en) 2002-05-16
JP2004523937A (en) 2004-08-05

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