AU2001234643A1 - Method and apparatus for implementing revocation in broadcast networks - Google Patents

Method and apparatus for implementing revocation in broadcast networks

Info

Publication number
AU2001234643A1
AU2001234643A1 AU2001234643A AU3464301A AU2001234643A1 AU 2001234643 A1 AU2001234643 A1 AU 2001234643A1 AU 2001234643 A AU2001234643 A AU 2001234643A AU 3464301 A AU3464301 A AU 3464301A AU 2001234643 A1 AU2001234643 A1 AU 2001234643A1
Authority
AU
Australia
Prior art keywords
revocation
implementing
broadcast networks
broadcast
networks
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
AU2001234643A
Inventor
Brant L. Candelore
Mark Eyer
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.)
Sony Electronics Inc
Original Assignee
Sony Electronics 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 Sony Electronics Inc filed Critical Sony Electronics Inc
Publication of AU2001234643A1 publication Critical patent/AU2001234643A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0457—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply dynamic encryption, e.g. stream encryption
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/107—License processing; Key processing
    • G06F21/1076—Revocation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
    • G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
    • G06Q20/3674—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes involving authentication
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/101—Access control lists [ACL]
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3263—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
    • H04L9/3268—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]
    • 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
    • H04N21/2585—Generation of a revocation list, e.g. of client devices involved in piracy acts
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Finance (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • General Business, Economics & Management (AREA)
  • Computing Systems (AREA)
  • Strategic Management (AREA)
  • Computer Graphics (AREA)
  • Software Systems (AREA)
  • Technology Law (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Signal Processing For Recording (AREA)
AU2001234643A 2000-02-15 2001-01-29 Method and apparatus for implementing revocation in broadcast networks Abandoned AU2001234643A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09504968 2000-02-15
US09/504,968 US7225164B1 (en) 2000-02-15 2000-02-15 Method and apparatus for implementing revocation in broadcast networks
PCT/US2001/002954 WO2001061591A1 (en) 2000-02-15 2001-01-29 Method and apparatus for implementing revocation in broadcast networks

Publications (1)

Publication Number Publication Date
AU2001234643A1 true AU2001234643A1 (en) 2001-08-27

Family

ID=24008468

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001234643A Abandoned AU2001234643A1 (en) 2000-02-15 2001-01-29 Method and apparatus for implementing revocation in broadcast networks

Country Status (3)

Country Link
US (2) US7225164B1 (en)
AU (1) AU2001234643A1 (en)
WO (1) WO2001061591A1 (en)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1290884B1 (en) * 2000-06-13 2005-02-02 Nagravision S.A. Method and device for updating reception rights in a multiple operator system
KR20040034673A (en) * 2001-08-28 2004-04-28 코닌클리케 필립스 일렉트로닉스 엔.브이. Consumer and revocation of their equipment
EP1430641A2 (en) * 2001-09-27 2004-06-23 Matsushita Electric Industrial Co., Ltd. An encryption device, a decrypting device, a secret key generation device,a copyright protection system and a cipher communication device
NZ532123A (en) † 2001-10-18 2005-08-26 Macrovision Corp Systems and methods for providing digital rights management compatibility
JP4157709B2 (en) * 2002-01-31 2008-10-01 富士通株式会社 Access control method and storage device
JP4474845B2 (en) * 2002-06-12 2010-06-09 株式会社日立製作所 Authentication infrastructure system with CRL issue notification function
CN1663174A (en) * 2002-06-17 2005-08-31 皇家飞利浦电子股份有限公司 Method for authentication between devices
DE60314177D1 (en) * 2002-12-04 2007-07-12 Koninkl Philips Electronics Nv METHOD FOR LIMITING THE NUMBER OF NETWORK DEVICES IN A COMMUNICATION NETWORK
CN1512357A (en) * 2002-12-30 2004-07-14 �ʼҷ����ֵ��ӹɷ����޹�˾ Method and system for increasing optical disc copy system extension property
US20060053494A1 (en) * 2003-01-15 2006-03-09 Koninklijke Philips Electronics N.V. Embedded revocation messaging
US20040177380A1 (en) * 2003-03-06 2004-09-09 Comcast Cable Holdings, Llc Method and system using docking stations to distribute a set top box between multiple monitors
CN100474272C (en) * 2003-03-26 2009-04-01 松下电器产业株式会社 Revocation information transmission method, receiving method, and device thereof
JP4615444B2 (en) * 2003-08-05 2011-01-19 パナソニック株式会社 Copyright protection system
EP1688843A1 (en) * 2003-11-25 2006-08-09 Matsushita Electric Industrial Co., Ltd. Authentication system
US20080152150A1 (en) * 2004-03-29 2008-06-26 Akio Higashi Information Distribution System
US20060047944A1 (en) * 2004-09-01 2006-03-02 Roger Kilian-Kehr Secure booting of a computing device
WO2006048856A1 (en) * 2004-11-01 2006-05-11 Nds Limited Efficient and secure renewal of entitlements
US7801869B2 (en) * 2004-12-22 2010-09-21 Certicom Corp. Partial revocation list
US7567565B2 (en) 2005-02-01 2009-07-28 Time Warner Cable Inc. Method and apparatus for network bandwidth conservation
JP2007006380A (en) * 2005-06-27 2007-01-11 Toshiba Corp Information processing apparatus capable of receiving digital broadcasting program data and content protecting method in its apparatus
EP1765012A1 (en) * 2005-09-14 2007-03-21 Nagravision S.A. Method of verifying a targeted device connected to a master device
US9177114B2 (en) * 2005-10-04 2015-11-03 Google Technology Holdings LLC Method and apparatus for determining the proximity of a client device
US9054879B2 (en) * 2005-10-04 2015-06-09 Google Technology Holdings LLC Method and apparatus for delivering certificate revocation lists
US8718100B2 (en) 2006-02-27 2014-05-06 Time Warner Cable Enterprises Llc Methods and apparatus for selecting digital interface technology for programming and data delivery
US7916755B2 (en) 2006-02-27 2011-03-29 Time Warner Cable Inc. Methods and apparatus for selecting digital coding/decoding technology for programming and data delivery
US8170065B2 (en) 2006-02-27 2012-05-01 Time Warner Cable Inc. Methods and apparatus for selecting digital access technology for programming and data delivery
US8458753B2 (en) 2006-02-27 2013-06-04 Time Warner Cable Enterprises Llc Methods and apparatus for device capabilities discovery and utilization within a content-based network
IL174614A (en) * 2006-03-29 2013-03-24 Yaakov Levy Method of enforcing use of certificate revocation lists
EP1968316A1 (en) * 2007-03-06 2008-09-10 Nagravision S.A. Method to control the access to conditional access audio/video content
US20080235746A1 (en) 2007-03-20 2008-09-25 Michael James Peters Methods and apparatus for content delivery and replacement in a network
US20090038007A1 (en) * 2007-07-31 2009-02-05 Samsung Electronics Co., Ltd. Method and apparatus for managing client revocation list
US8561116B2 (en) 2007-09-26 2013-10-15 Charles A. Hasek Methods and apparatus for content caching in a video network
US9071859B2 (en) 2007-09-26 2015-06-30 Time Warner Cable Enterprises Llc Methods and apparatus for user-based targeted content delivery
US8099757B2 (en) 2007-10-15 2012-01-17 Time Warner Cable Inc. Methods and apparatus for revenue-optimized delivery of content in a network
DE602008002891D1 (en) * 2008-02-11 2010-11-18 Nagravision Sa Method for updating and managing an application for processing audiovisual data in a multimedia unit via a conditional access module
US8813143B2 (en) 2008-02-26 2014-08-19 Time Warner Enterprises LLC Methods and apparatus for business-based network resource allocation
WO2009138641A1 (en) * 2008-04-21 2009-11-19 France Telecom Method of use of a host terminal by an external device connected to the terminal
US9866609B2 (en) 2009-06-08 2018-01-09 Time Warner Cable Enterprises Llc Methods and apparatus for premises content distribution
US8605900B2 (en) 2009-10-30 2013-12-10 Panasonic Corporation AV data receiving device, AV data receiving method, and AV data transmission and receiving system
KR101152381B1 (en) 2009-12-29 2012-06-05 사단법인한국디지털케이블연구원 Certificate revocation list distribution and application method in downloadable conditional access system
EP2395741A1 (en) 2010-06-11 2011-12-14 Nagravision S.A. Method to manage the power setting of a receiver/decoder for pay-TV
EP2727329B1 (en) 2011-07-01 2017-08-23 Nagravision S.A. A method for playing repeatable events on a media player
US9854280B2 (en) 2012-07-10 2017-12-26 Time Warner Cable Enterprises Llc Apparatus and methods for selective enforcement of secondary content viewing
US9131283B2 (en) 2012-12-14 2015-09-08 Time Warner Cable Enterprises Llc Apparatus and methods for multimedia coordination
US9680650B2 (en) * 2013-08-23 2017-06-13 Qualcomm Incorporated Secure content delivery using hashing of pre-coded packets
US9626196B2 (en) * 2014-03-21 2017-04-18 Intel Corporation Broadcasting management information using fountain codes
US10687115B2 (en) 2016-06-01 2020-06-16 Time Warner Cable Enterprises Llc Cloud-based digital content recorder apparatus and methods
US10911794B2 (en) 2016-11-09 2021-02-02 Charter Communications Operating, Llc Apparatus and methods for selective secondary content insertion in a digital network
US11109290B2 (en) 2017-08-04 2021-08-31 Charter Communications Operating, Llc Switching connections over frequency bands of a wireless network
US10939142B2 (en) 2018-02-27 2021-03-02 Charter Communications Operating, Llc Apparatus and methods for content storage, distribution and security within a content distribution network

Family Cites Families (189)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870474A (en) * 1995-12-04 1999-02-09 Scientific-Atlanta, Inc. Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
US3852519A (en) 1972-10-20 1974-12-03 Optical Systems Corp Video and audio encoding/decoding system employing suppressed carrier modulation
GB2073534B (en) 1980-04-02 1984-04-04 Sony Corp Error concealment in digital television signals
GB2084432A (en) 1980-09-18 1982-04-07 Sony Corp Error concealment in digital television signals
US4521853A (en) 1982-06-30 1985-06-04 Texas Instruments Incorporated Secure microprocessor/microcomputer with secured memory
US4785361A (en) * 1982-11-08 1988-11-15 Vault Corporation Method and apparatus for frustrating the unauthorized copying of recorded data
EP0151147B1 (en) 1983-07-22 1988-04-20 Independent Broadcasting Authority Security system for television signal encryption
US4634808A (en) 1984-03-15 1987-01-06 M/A-Com Government Systems, Inc. Descrambler subscriber key production system utilizing key seeds stored in descrambler
US4712238A (en) 1984-06-08 1987-12-08 M/A-Com Government Systems, Inc. Selective-subscription descrambling
JPS6120442A (en) 1984-07-09 1986-01-29 Toshiba Corp Chargeable broadcasting system
JPH0746864B2 (en) 1984-08-22 1995-05-17 ソニー株式会社 High efficiency encoder
US4887296A (en) 1984-10-26 1989-12-12 Ricoh Co., Ltd. Cryptographic system for direct broadcast satellite system
CA1251555A (en) 1984-12-19 1989-03-21 Tetsujiro Kondo High efficiency technique for coding a digital video signal
JPH0793724B2 (en) 1984-12-21 1995-10-09 ソニー株式会社 High efficiency coding apparatus and coding method for television signal
US4803725A (en) 1985-03-11 1989-02-07 General Instrument Corp. Cryptographic system using interchangeable key blocks and selectable key fragments
DE3688855T2 (en) 1985-05-01 1994-03-17 Gen Instrument Corp Satellite transmission system with direct transmission.
JP2670259B2 (en) 1985-11-29 1997-10-29 ソニー株式会社 High efficiency coding device
JPH0746862B2 (en) 1985-11-30 1995-05-17 ソニー株式会社 Frame dropping compression encoding and decoding method
JP2612557B2 (en) 1985-12-18 1997-05-21 ソニー株式会社 Data transmission receiving system and data decoding device
JPS62231569A (en) 1986-03-31 1987-10-12 Fuji Photo Film Co Ltd Quantizing method for estimated error
US4944006A (en) 1987-03-12 1990-07-24 Zenith Electronics Corporation Secure data packet transmission system and method
JP2508439B2 (en) 1987-05-29 1996-06-19 ソニー株式会社 High efficiency encoder
EP0293644B1 (en) 1987-06-02 1992-03-25 Siemens Aktiengesellschaft Method for determining movement vector fields from digital image sequences
US5122873A (en) 1987-10-05 1992-06-16 Intel Corporation Method and apparatus for selectively encoding and decoding a digital motion video signal at multiple resolution levels
JP2629238B2 (en) 1988-02-05 1997-07-09 ソニー株式会社 Decoding device and decoding method
US4995080A (en) 1988-08-04 1991-02-19 Zenith Electronics Corporation Television signal scrambling system and method
US5247575A (en) 1988-08-16 1993-09-21 Sprague Peter J Information distribution system
US4953023A (en) 1988-09-29 1990-08-28 Sony Corporation Coding apparatus for encoding and compressing video data
JP2900385B2 (en) 1988-12-16 1999-06-02 ソニー株式会社 Framing circuit and method
JP3018366B2 (en) 1989-02-08 2000-03-13 ソニー株式会社 Video signal processing circuit
US5144662A (en) 1989-02-08 1992-09-01 U.S. Philips Corporation Public communication system comprising distributed stations, and station and sub-station for use in such a communication system
US4989245A (en) 1989-03-06 1991-01-29 General Instrument Corporation Controlled authorization of descrambling of scrambled programs broadcast between different jurisdictions
US5151782A (en) 1989-05-17 1992-09-29 Reiss Media Enterprises Control system for satellite delivered pay-per-view television system
JP2606419B2 (en) 1989-08-07 1997-05-07 松下電器産業株式会社 Cryptographic communication system and cryptographic communication method
US5208816A (en) 1989-08-18 1993-05-04 At&T Bell Laboratories Generalized viterbi decoding algorithms
JPH03141752A (en) 1989-10-27 1991-06-17 Hitachi Ltd Picture signal transmitting method
US5237610A (en) 1990-02-01 1993-08-17 Scientific-Atlanta, Inc. Independent external security module for a digitally upgradeable television signal decoder
JPH0474063A (en) 1990-07-13 1992-03-09 Matsushita Electric Ind Co Ltd Coding method for picture
JP2650472B2 (en) 1990-07-30 1997-09-03 松下電器産業株式会社 Digital signal recording apparatus and digital signal recording method
US5018197A (en) 1990-07-30 1991-05-21 Zenith Electronics Corporation Secure video decoder system
JP2969867B2 (en) 1990-08-31 1999-11-02 ソニー株式会社 High-efficiency encoder for digital image signals.
GB9019538D0 (en) 1990-09-07 1990-10-24 Philips Electronic Associated Tracking a moving object
US5416651A (en) 1990-10-31 1995-05-16 Sony Corporation Apparatus for magnetically recording digital data
US5144664A (en) 1990-11-16 1992-09-01 General Instrument Corporation Apparatus and method for upgrading terminals to maintain a secure communication network
JP2906671B2 (en) 1990-12-28 1999-06-21 ソニー株式会社 Highly efficient digital video signal encoding apparatus and method
EP0495501B1 (en) 1991-01-17 1998-07-08 Sharp Kabushiki Kaisha Image coding and decoding system using an orthogonal transform and bit allocation method suitable therefore
US5091936A (en) 1991-01-30 1992-02-25 General Instrument Corporation System for communicating television signals or a plurality of digital audio signals in a standard television line allocation
US5138659A (en) 1991-05-02 1992-08-11 General Instrument Corporation Conversion of television signal formats with retention of common control data stream
JPH04358486A (en) 1991-06-04 1992-12-11 Toshiba Corp High efficiency code signal processing unit
JP2766919B2 (en) 1991-06-07 1998-06-18 三菱電機株式会社 Digital signal recording / reproducing device, digital signal recording device, digital signal reproducing device
US5263026A (en) 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
MY108367A (en) 1991-09-30 1996-09-30 Thomson Consumer Electronics S A Method and apparatus for secure transmisson of video signals.
ATE148607T1 (en) 1991-09-30 1997-02-15 Philips Electronics Nv MOTION VECTOR ESTIMATION, MOTION IMAGE CODING AND STORAGE
JPH05103309A (en) 1991-10-04 1993-04-23 Canon Inc Method and device for transmitting information
US5398078A (en) 1991-10-31 1995-03-14 Kabushiki Kaisha Toshiba Method of detecting a motion vector in an image coding apparatus
US5724091A (en) * 1991-11-25 1998-03-03 Actv, Inc. Compressed digital data interactive program system
JP3278881B2 (en) 1991-12-13 2002-04-30 ソニー株式会社 Image signal generator
KR100269004B1 (en) 1992-01-08 2000-10-16 카츠넬슨 론 디. Multichannel television signal scrambling abd descrambling system and method
US6208805B1 (en) 1992-02-07 2001-03-27 Max Abecassis Inhibiting a control function from interfering with a playing of a video
JP3259323B2 (en) 1992-04-13 2002-02-25 ソニー株式会社 De-interleave circuit
US5359694A (en) 1992-07-27 1994-10-25 Teknekron Communications Systems, Inc. Method and apparatus for converting image data
US5438369A (en) 1992-08-17 1995-08-01 Zenith Electronics Corporation Digital data interleaving system with improved error correctability for vertically correlated interference
US5481554A (en) 1992-09-02 1996-01-02 Sony Corporation Data transmission apparatus for transmitting code data
US5414852A (en) 1992-10-30 1995-05-09 International Business Machines Corporation Method for protecting data in a computer system
US5400401A (en) 1992-10-30 1995-03-21 Scientific Atlanta, Inc. System and method for transmitting a plurality of digital services
US5319707A (en) 1992-11-02 1994-06-07 Scientific Atlanta System and method for multiplexing a plurality of digital program services for transmission to remote locations
US5341425A (en) 1992-12-02 1994-08-23 Scientific Atlanta, Inc. Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site
US5805762A (en) 1993-01-13 1998-09-08 Hitachi America, Ltd. Video recording device compatible transmitter
US5325432A (en) 1993-02-04 1994-06-28 Motorola, Inc. Method for updating encryption key information in communication units
US5416847A (en) 1993-02-12 1995-05-16 The Walt Disney Company Multi-band, digital audio noise filter
US5444491A (en) 1993-02-26 1995-08-22 Massachusetts Institute Of Technology Television system with multiple transmission formats
US5444763A (en) 1993-06-17 1995-08-22 Research In Motion Limited Translation and connection device for radio frequency point of sale transaction systems
KR960015357B1 (en) 1993-07-16 1996-11-09 대우전자 주식회사 Communication system of scrambling and descrambling for radio program signal
JP2707950B2 (en) 1993-07-30 1998-02-04 ソニー株式会社 Digital image information processing device
US5381481A (en) 1993-08-04 1995-01-10 Scientific-Atlanta, Inc. Method and apparatus for uniquely encrypting a plurality of services at a transmission site
KR960012931B1 (en) 1993-08-31 1996-09-25 대우전자 주식회사 Channel error concealing method for classified vector quantized video
JP3590996B2 (en) 1993-09-30 2004-11-17 ソニー株式会社 Hierarchical encoding and decoding apparatus for digital image signal
US5663764A (en) 1993-09-30 1997-09-02 Sony Corporation Hierarchical encoding and decoding apparatus for a digital image signal
US5617333A (en) 1993-11-29 1997-04-01 Kokusai Electric Co., Ltd. Method and apparatus for transmission of image data
US5455862A (en) 1993-12-02 1995-10-03 Crest Industries, Inc. Apparatus and method for encrypting communications without exchanging an encryption key
JP3271108B2 (en) 1993-12-03 2002-04-02 ソニー株式会社 Apparatus and method for processing digital image signal
FR2715256B1 (en) 1994-01-19 1996-02-16 France Telecom Procedures for transmitting and receiving conditional access programs managed by the same operator.
JPH07231424A (en) * 1994-02-18 1995-08-29 Hitachi Ltd Recording/reproducing system and device therefor
EP0669761A3 (en) 1994-02-23 1999-03-03 Hitachi, Ltd. Television signal receiving apparatus incorporating an information retrieving and reproducing apparatus
US5491748A (en) 1994-03-01 1996-02-13 Zenith Electronics Corporation Enhanced security for a cable system
NL9400428A (en) 1994-03-18 1995-11-01 Nederland Ptt Device for cryptographically processing data packets, as well as a method of generating cryptographic processing data.
US5420866A (en) 1994-03-29 1995-05-30 Scientific-Atlanta, Inc. Methods for providing conditional access information to decoders in a packet-based multiplexed communications system
FR2718594B1 (en) 1994-04-06 1996-04-26 France Telecom Method for broadcasting programs with progressive conditional access and separating the flow of information.
US5459789A (en) 1994-04-22 1995-10-17 Thomson Consumer Electronics Packet TV program component detector
US5666293A (en) 1994-05-27 1997-09-09 Bell Atlantic Network Services, Inc. Downloading operating system software through a broadcast channel
US5768539A (en) 1994-05-27 1998-06-16 Bell Atlantic Network Services, Inc. Downloading applications software through a broadcast channel
US5473692A (en) 1994-09-07 1995-12-05 Intel Corporation Roving software license for a hardware agent
US5539828A (en) 1994-05-31 1996-07-23 Intel Corporation Apparatus and method for providing secured communications
US5606359A (en) 1994-06-30 1997-02-25 Hewlett-Packard Company Video on demand system with multiple data sources configured to provide vcr-like services
US5535276A (en) 1994-11-09 1996-07-09 Bell Atlantic Network Services, Inc. Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography
US5526427A (en) 1994-07-22 1996-06-11 A.C. Nielsen Company Universal broadcast code and multi-level encoded signal monitoring system
US5574787A (en) 1994-07-25 1996-11-12 Ryan; John O. Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
US5539823A (en) 1994-07-27 1996-07-23 General Instrument Corporation Of Delaware Subscription television picture scrambling and descrambling system providing compatibility with different such systems
US5629981A (en) 1994-07-29 1997-05-13 Texas Instruments Incorporated Information management and security system
US5796829A (en) 1994-09-09 1998-08-18 The Titan Corporation Conditional access system
US5652795A (en) 1994-11-14 1997-07-29 Hughes Electronics Method and apparatus for an adapter card providing conditional access in a communication system
KR100332743B1 (en) 1994-11-26 2002-11-07 엘지전자주식회사 Device and method for preventing illegal copy or unauthorized watching of digital image
US5485577A (en) 1994-12-16 1996-01-16 General Instrument Corporation Of Delaware Method and apparatus for incremental delivery of access rights
WO1996020563A1 (en) * 1994-12-27 1996-07-04 Kabushiki Kaisha Toshiba Transmitter, receiver, communication processing system integrating them, and digital television broadcasting system
US5590202A (en) 1995-01-18 1996-12-31 Zenith Electronics Corporation Countdown system for conditional access module
US5583863A (en) 1995-01-31 1996-12-10 Bell Atlantic Network Services, Inc. Full service network using asynchronous transfer mode multiplexing
US5696906A (en) 1995-03-09 1997-12-09 Continental Cablevision, Inc. Telecommunicaion user account management system and method
US6937729B2 (en) * 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US5608448A (en) 1995-04-10 1997-03-04 Lockheed Martin Corporation Hybrid architecture for video on demand server
US5852290A (en) 1995-08-04 1998-12-22 Thomson Consumer Electronics, Inc. Smart-card based access control system with improved security
US5583576A (en) 1995-09-11 1996-12-10 Oktv, Inc. Rating-dependent parental lock-out for television reception
US5582470A (en) 1995-09-12 1996-12-10 Silitek Corporation Scanner housing
US6134551A (en) * 1995-09-15 2000-10-17 Intel Corporation Method of caching digital certificate revocation lists
KR0155900B1 (en) 1995-10-18 1998-11-16 김광호 Phase error detecting method and phase tracking loop circuit
US5742680A (en) 1995-11-13 1998-04-21 E Star, Inc. Set top box for receiving and decryption and descrambling a plurality of satellite television signals
JP3416007B2 (en) 1995-12-06 2003-06-16 インターナショナル・ビジネス・マシーンズ・コーポレーション Apparatus and method for screening audiovisual material
US5751280A (en) 1995-12-11 1998-05-12 Silicon Graphics, Inc. System and method for media stream synchronization with a base atom index file and an auxiliary atom index file
FI100563B (en) * 1996-01-30 1997-12-31 Nokia Oy Ab Encryption of digital presentation objects during transmission and recording
AU734654B2 (en) * 1996-02-09 2001-06-21 Integrated Technologies Of America, Inc. Access control/crypto system
US5802176A (en) 1996-03-22 1998-09-01 Activcard System for controlling access to a function, using a plurality of dynamic encryption variables
US6055314A (en) * 1996-03-22 2000-04-25 Microsoft Corporation System and method for secure purchase and delivery of video content programs
US5751813A (en) 1996-04-29 1998-05-12 Motorola, Inc. Use of an encryption server for encrypting messages
US5903651A (en) * 1996-05-14 1999-05-11 Valicert, Inc. Apparatus and method for demonstrating and confirming the status of a digital certificates and other data
US5894320A (en) * 1996-05-29 1999-04-13 General Instrument Corporation Multi-channel television system with viewer-selectable video and audio
US5894516A (en) * 1996-07-10 1999-04-13 Ncr Corporation Broadcast software distribution
US6272538B1 (en) * 1996-07-30 2001-08-07 Micron Technology, Inc. Method and system for establishing a security perimeter in computer networks
US5825879A (en) 1996-09-30 1998-10-20 Intel Corporation System and method for copy-protecting distributed video content
US6012144A (en) * 1996-10-08 2000-01-04 Pickett; Thomas E. Transaction security method and apparatus
US5805700A (en) 1996-10-15 1998-09-08 Intel Corporation Policy based selective encryption of compressed video data
JPH10145773A (en) * 1996-11-14 1998-05-29 Toshiba Corp Method for ciphering animation data, computer system applying the method and dynamic image data encoding/ decoding device
US6192131B1 (en) * 1996-11-15 2001-02-20 Securities Industry Automation Corporation Enabling business transactions in computer networks
DE69703705T2 (en) * 1996-11-26 2001-06-21 British Telecommunications Public Ltd. Co., London COMMUNICATION SYSTEM
US6016348A (en) * 1996-11-27 2000-01-18 Thomson Consumer Electronics, Inc. Decoding system and data format for processing and storing encrypted broadcast, cable or satellite video data
US5818934A (en) 1996-12-18 1998-10-06 Phillips Electronics North America Corporation Method and apparatus for providing a cryptographically secure interface between the decryption engine and the system decoder of a digital television receiver
US5949877A (en) * 1997-01-30 1999-09-07 Intel Corporation Content protection for transmission systems
US5850218A (en) 1997-02-19 1998-12-15 Time Warner Entertainment Company L.P. Inter-active program guide with default selection control
US6049613A (en) * 1997-03-07 2000-04-11 Jakobsson; Markus Method and apparatus for encrypting, decrypting, and providing privacy for data values
US6526144B2 (en) * 1997-06-02 2003-02-25 Texas Instruments Incorporated Data protection system
US6230194B1 (en) * 1997-07-14 2001-05-08 Freegate Corporation Upgrading a secure network interface
US6011849A (en) * 1997-08-28 2000-01-04 Syndata Technologies, Inc. Encryption-based selection system for steganography
EP0901261B1 (en) * 1997-09-05 2013-01-09 Hitachi, Ltd. Transport protocol conversion method and protocol conversion equipment
JPH1196102A (en) * 1997-09-25 1999-04-09 Hitachi Ltd Server decentralized managing method
JP2001526503A (en) * 1997-12-09 2001-12-18 アイシーティーブイ・インク Distributed scrambling method and system
US6505032B1 (en) * 2000-05-26 2003-01-07 Xtremespectrum, Inc. Carrierless ultra wideband wireless signals for conveying application data
US6247127B1 (en) * 1997-12-19 2001-06-12 Entrust Technologies Ltd. Method and apparatus for providing off-line secure communications
US6069647A (en) * 1998-01-29 2000-05-30 Intel Corporation Conditional access and content security method
EP0936774A1 (en) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Recording of scrambled digital data
US6233577B1 (en) * 1998-02-17 2001-05-15 Phone.Com, Inc. Centralized certificate management system for two-way interactive communication devices in data networks
US6189096B1 (en) * 1998-05-06 2001-02-13 Kyberpass Corporation User authentification using a virtual private key
US6223290B1 (en) * 1998-05-07 2001-04-24 Intel Corporation Method and apparatus for preventing the fraudulent use of a cellular telephone
US6226618B1 (en) * 1998-08-13 2001-05-01 International Business Machines Corporation Electronic content delivery system
US7457415B2 (en) * 1998-08-20 2008-11-25 Akikaze Technologies, Llc Secure information distribution system utilizing information segment scrambling
US7162642B2 (en) * 1999-01-06 2007-01-09 Digital Video Express, L.P. Digital content distribution system and method
US6230266B1 (en) * 1999-02-03 2001-05-08 Sun Microsystems, Inc. Authentication system and process
AUPP893399A0 (en) * 1999-02-26 1999-03-25 Watson, Robert John Site certificate system
US6550008B1 (en) * 1999-02-26 2003-04-15 Intel Corporation Protection of information transmitted over communications channels
US6229895B1 (en) * 1999-03-12 2001-05-08 Diva Systems Corp. Secure distribution of video on-demand
US6697489B1 (en) * 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
EP1118184B1 (en) * 1999-08-09 2005-12-14 Koninklijke Philips Electronics N.V. Updating a revocation list to foil an adversary
US6697944B1 (en) * 1999-10-01 2004-02-24 Microsoft Corporation Digital content distribution, transmission and protection system and method, and portable device for use therewith
CN1182479C (en) * 2000-01-07 2004-12-29 国际商业机器公司 System and method for effectively collecting aranging and access to withdrew table of certificate
US6889385B1 (en) * 2000-01-14 2005-05-03 Terayon Communication Systems, Inc Home network for receiving video-on-demand and other requested programs and services
EP1134977A1 (en) * 2000-03-06 2001-09-19 Irdeto Access B.V. Method and system for providing copies of scrambled content with unique watermarks, and system for descrambling scrambled content
JP2001308812A (en) * 2000-04-24 2001-11-02 Nec Microsystems Ltd Method for separation processing of transport stream for digital television and its recording medium
DE60104307T2 (en) * 2000-05-10 2005-08-25 Koninklijke Philips Electronics N.V. COPY PROTECTION SYSTEM
WO2002007378A1 (en) * 2000-07-14 2002-01-24 Irdeto Access B.V. Secure packet-based data broadcasting architecture
US20020046406A1 (en) * 2000-10-18 2002-04-18 Majid Chelehmal On-demand data system
US7350082B2 (en) * 2001-06-06 2008-03-25 Sony Corporation Upgrading of encryption
US7151831B2 (en) * 2001-06-06 2006-12-19 Sony Corporation Partial encryption and PID mapping
US7421411B2 (en) * 2001-07-06 2008-09-02 Nokia Corporation Digital rights management in a mobile communications environment
US6633692B2 (en) * 2001-07-31 2003-10-14 The National University Of Singapore High carrier injection optical waveguide switch
US7463737B2 (en) * 2001-08-15 2008-12-09 Digeo, Inc. System and method for conditional access key encryption
US7224797B2 (en) * 2001-08-17 2007-05-29 Koninklijke Philips Electronics N.V. System and method for hybrid conditional access for receivers of encrypted transmissions
US6925180B2 (en) * 2001-09-27 2005-08-02 Sony Corporation PC card recorder
US7369520B2 (en) * 2001-10-02 2008-05-06 Nokia Corporation Internet protocol address to packet identifier mapping
US7206501B2 (en) * 2001-10-12 2007-04-17 The Directv Group, Inc. Method and apparatus for identifying MPEG picture coding types
US7215770B2 (en) * 2002-01-02 2007-05-08 Sony Corporation System and method for partially encrypted multimedia stream
US7242773B2 (en) * 2002-09-09 2007-07-10 Sony Corporation Multiple partial encryption using retuning
US7823174B2 (en) * 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
US20040021764A1 (en) * 2002-01-28 2004-02-05 Be Here Corporation Visual teleconferencing apparatus
US7328345B2 (en) * 2002-01-29 2008-02-05 Widevine Technologies, Inc. Method and system for end to end securing of content for video on demand
US6678470B1 (en) * 2002-09-27 2004-01-13 Frontier Engineering Co., Ltd. Electric heating device for fluid food material
US8572408B2 (en) * 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
JP2004264971A (en) * 2003-02-28 2004-09-24 Ricoh Co Ltd Operating device, electronic equipment and image forming device
US6707696B1 (en) * 2003-05-15 2004-03-16 Broadcom Corporation Hacker-proof one time programmable memory
US20050036067A1 (en) * 2003-08-05 2005-02-17 Ryal Kim Annon Variable perspective view of video images
US20050066357A1 (en) * 2003-09-22 2005-03-24 Ryal Kim Annon Modifying content rating
US8194655B2 (en) * 2004-08-05 2012-06-05 Dust Networks, Inc. Digraph based mesh communication network
DE102004032528C5 (en) * 2004-07-06 2012-04-05 Khs Gmbh A method of performing a roll change in a supply unit for feeding a sheet-like sheet to a packaging machine or the like processing machine and supply unit for performing this method

Also Published As

Publication number Publication date
US7567939B2 (en) 2009-07-28
US7225164B1 (en) 2007-05-29
WO2001061591A1 (en) 2001-08-23
US20060271492A1 (en) 2006-11-30

Similar Documents

Publication Publication Date Title
AU2001234643A1 (en) Method and apparatus for implementing revocation in broadcast networks
AU5824701A (en) Apparatus and methods for video distribution via networks
AU5139200A (en) Method and apparatus for user-time-alignment for broadcast works
AU2001292914A1 (en) Method and apparatus for digital shopping
EP1402743A4 (en) System and apparatus for performing broadcast and localcast communications
AU2001261388A1 (en) Method and apparatus to obtain service capability credentials
EP1052793B8 (en) Method and device for synchronisation between two networks
AU2001263028A1 (en) Stream-cipher method and apparatus
AU2001256933A1 (en) Apparatus and method
AU1453201A (en) Method and apparatus for broadcasting messages in channel reservation communication systems
AU2001223590A1 (en) Mixing method and apparatus
AU2001275873A1 (en) Method and apparatus for securely providing billable multicast data
AU2002239249A1 (en) System and method for secure network mobility
AU2001261833A1 (en) Method and apparatus for multicast performance measurement
AU2001243340A1 (en) A method and apparatus for interaction with hyperlinks in a television broadcast
AU6414099A (en) Method and apparatus for providing resource discovery using multicast scope
AU2001288776A1 (en) System and methods for performing last-element streaming
AU2001250609A1 (en) Ofdm apparatus and method
AU2795299A (en) Method and apparatus for am digital broadcasting
AU2001231218A1 (en) Method and apparatus for bitstream decoding
AU2001287866A1 (en) Methods and apparatus for interactive communications
AU2002355000A1 (en) Method and apparatus for creating connections in networks
HK1039853A1 (en) Data broadcast receiving apparatus and method
AU2001291668A1 (en) Method and apparatus for video encoding
AU2002212442A1 (en) Communications apparatus and method