AU2001256645A1 - Dynamically shifting control word - Google Patents

Dynamically shifting control word

Info

Publication number
AU2001256645A1
AU2001256645A1 AU2001256645A AU5664501A AU2001256645A1 AU 2001256645 A1 AU2001256645 A1 AU 2001256645A1 AU 2001256645 A AU2001256645 A AU 2001256645A AU 5664501 A AU5664501 A AU 5664501A AU 2001256645 A1 AU2001256645 A1 AU 2001256645A1
Authority
AU
Australia
Prior art keywords
control word
shifting control
dynamically shifting
dynamically
word
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
AU2001256645A
Inventor
Akiva Patinkin
Avraham Poupko
Stephanie Wald
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.)
Synamedia Ltd
Original Assignee
NDS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NDS Ltd filed Critical NDS Ltd
Publication of AU2001256645A1 publication Critical patent/AU2001256645A1/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]
    • H04N21/20—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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234318—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into objects, e.g. MPEG-4 objects
    • 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
    • H04N21/25866—Management of end-user data
    • H04N21/25883—Management of end-user data being end-user demographical data, e.g. age, family status or address
    • 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
    • H04N21/26606—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 entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4781—Games
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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
AU2001256645A 2000-05-22 2001-05-16 Dynamically shifting control word Abandoned AU2001256645A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US20605600P 2000-05-22 2000-05-22
US60206056 2000-05-22
PCT/IL2001/000434 WO2001091466A2 (en) 2000-05-22 2001-05-16 Dynamically shifting control word

Publications (1)

Publication Number Publication Date
AU2001256645A1 true AU2001256645A1 (en) 2001-12-03

Family

ID=22764788

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001256645A Abandoned AU2001256645A1 (en) 2000-05-22 2001-05-16 Dynamically shifting control word

Country Status (4)

Country Link
US (2) US7397918B2 (en)
AU (1) AU2001256645A1 (en)
GB (1) GB2374998B (en)
WO (1) WO2001091466A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4659357B2 (en) 2001-09-21 2011-03-30 ザ・ディレクティービー・グループ・インコーポレイテッド Method and apparatus for controlling paired operation of conditional access module and integrated receiver and decoder
US7640164B2 (en) * 2002-07-04 2009-12-29 Denso Corporation System for performing interactive dialog
ES2321390T3 (en) 2003-05-20 2009-06-05 Dsm Ip Assets B.V. NANO-STRUCTURED SURFACE COATING PROCESS, NANO-STRUCTURED COATINGS AND ITEMS THAT UNDERSTAND THE COVERING.
FR2871017B1 (en) * 2004-05-28 2008-02-29 Viaccess Sa METHOD FOR DIFFUSION OF DIGITAL DATA TO A PARK OF TARGET RECEIVING TERMINALS
US20060200412A1 (en) * 2005-02-23 2006-09-07 Comcast Cable Holdings, Llc System and method for DRM regional and timezone key management
US8687806B2 (en) * 2008-02-07 2014-04-01 Motorola Mobility Llc Conditional access system employing constrained encryption keys
EP2219374A1 (en) * 2009-02-13 2010-08-18 Irdeto Access B.V. Securely providing a control word from a smartcard to a conditional access module
US8687807B2 (en) 2011-01-26 2014-04-01 Nagrastar, L.L.C. Cascading dynamic crypto periods

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4228321A (en) 1978-05-16 1980-10-14 Bell Telephone Laboratories, Incorporated Privacy transmission system with remote key control
US4531021A (en) 1980-06-19 1985-07-23 Oak Industries Inc. Two level encripting of RF signals
USRE33189E (en) 1981-11-19 1990-03-27 Communications Satellite Corporation Security system for SSTV encryption
US4484027A (en) 1981-11-19 1984-11-20 Communications Satellite Corporation Security system for SSTV encryption
US4531020A (en) 1982-07-23 1985-07-23 Oak Industries Inc. Multi-layer encryption system for the broadcast of encrypted information
GB2140656A (en) * 1983-05-13 1984-11-28 Philips Electronic Associated Television transmission system
US4866770A (en) 1986-07-08 1989-09-12 Scientific Atlanta, Inc. Method and apparatus for communication of video, audio, teletext, and data to groups of decoders in a communication system
US4944006A (en) 1987-03-12 1990-07-24 Zenith Electronics Corporation Secure data packet transmission system and method
US4864615A (en) 1988-05-27 1989-09-05 General Instrument Corporation Reproduction of secure keys by using distributed key generation data
FR2641152B1 (en) 1988-12-23 1996-05-10 Europ Rech Electr Lab
US5282249A (en) 1989-11-14 1994-01-25 Michael Cohen System for controlling access to broadcast transmissions
FR2663179B1 (en) 1990-06-08 1992-09-11 Matra Communication TRANSCONTROLLER METHOD AND DEVICE FOR INSTALLATION OF BROADCASTING OF CONDITIONAL ACCESS TELEVISION PROGRAMS.
US5301247A (en) 1992-07-23 1994-04-05 Crest Industries, Inc. Method for ensuring secure communications
US5499298A (en) 1994-03-17 1996-03-12 National University Of Singapore Controlled dissemination of digital information
JPH09162859A (en) * 1995-12-07 1997-06-20 Fujitsu Ltd Scrambling method and device, descrambling method and device and data transmission method and system
FR2751817B1 (en) * 1996-07-29 1998-09-11 Thomson Multimedia Sa CONDITIONAL ACCESS SYSTEM USING MULTIPLE ENCRYPTION KEY MESSAGES
US6178242B1 (en) 1997-02-07 2001-01-23 Nds Limited Digital recording protection system
CA2499904C (en) * 1997-03-21 2008-10-14 Canal + Technologies Broadcast and reception system, and receiver/decoder and remote controller therefor
IL121021A (en) 1997-06-06 2004-08-31 Nds Ltd User interaction feedback system
IL123554A (en) * 1998-03-04 2003-01-12 Nds Ltd Key delivery in a secure broadcasting system
EP0984629B1 (en) * 1998-09-01 2006-05-03 Irdeto Access B.V. System for broadcasting data signals in a secure manner
ES2315219T3 (en) * 2000-04-07 2009-04-01 Irdeto Access B.V. DATA ENCRYPTION AND DEFRYING SYSTEM.
US7440513B2 (en) * 2005-05-24 2008-10-21 Avago Technologies General Ip (Singapore) Pte. Ltd. Coding and decoding packetized data

Also Published As

Publication number Publication date
WO2001091466A3 (en) 2002-04-11
US7916865B2 (en) 2011-03-29
US20030091188A1 (en) 2003-05-15
US7397918B2 (en) 2008-07-08
GB2374998B (en) 2004-10-13
US20080240431A1 (en) 2008-10-02
GB2374998A (en) 2002-10-30
WO2001091466A2 (en) 2001-11-29
GB0217731D0 (en) 2002-09-11

Similar Documents

Publication Publication Date Title
AUPQ776300A0 (en) Missile control
AU2001286689A1 (en) Word sense disambiguation
AU2002213400A1 (en) Microvalve
AU2001283363A1 (en) Linguistic input support
AU2001238647A1 (en) Sequential control circuit
AU2000267458A1 (en) Hypercomputer
AU2002212726A1 (en) Inline shifter
AU2001239310A1 (en) Decahydro-isoquinolines
AU2001253666A1 (en) Distributed rendering
AU2001220246A1 (en) Neckphone
AU2295901A (en) Damping mechanism
AU2002211739A1 (en) Reconfigurable microdisplay
AU2001283170A1 (en) Control valves
AU2001242306A1 (en) Control valve
AU2001272651A1 (en) Valves
AU2001256645A1 (en) Dynamically shifting control word
AU2001238125A1 (en) Hydristor control means
AU2001246864A1 (en) Hypotensors
AU2683601A (en) Damping
AU5692700A (en) Selector valve arrangement
EP1167162A3 (en) Steering mode selection control
AU2001260104A1 (en) Control valve
AU4620300A (en) Can
EP1213188A3 (en) Control device
AU2001226668A1 (en) Crankshaft-starter-generator