AU2002221506A1 - An enciphering system for cable tv network - Google Patents

An enciphering system for cable tv network

Info

Publication number
AU2002221506A1
AU2002221506A1 AU2002221506A AU2150602A AU2002221506A1 AU 2002221506 A1 AU2002221506 A1 AU 2002221506A1 AU 2002221506 A AU2002221506 A AU 2002221506A AU 2150602 A AU2150602 A AU 2150602A AU 2002221506 A1 AU2002221506 A1 AU 2002221506A1
Authority
AU
Australia
Prior art keywords
cable
network
enciphering system
enciphering
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
AU2002221506A
Inventor
Qin Zhang
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.)
CATHAY ROXUS INFORMATION TECHNOLOGY Co Ltd
Original Assignee
CATHAY ROXUS INFORMATION TECHN
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 CATHAY ROXUS INFORMATION TECHN filed Critical CATHAY ROXUS INFORMATION TECHN
Publication of AU2002221506A1 publication Critical patent/AU2002221506A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/42615—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific demultiplexing arrangements
    • 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
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/42623—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific decryption arrangements
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex stream decryption
    • 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
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
AU2002221506A 2000-11-28 2001-11-28 An enciphering system for cable tv network Abandoned AU2002221506A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN 00132565 CN1355654A (en) 2000-11-28 2000-11-28 Encryption system for cable TV network
CN00132565 2000-11-28
PCT/CN2001/001585 WO2002045428A1 (en) 2000-11-28 2001-11-28 An enciphering system for cable tv network

Publications (1)

Publication Number Publication Date
AU2002221506A1 true AU2002221506A1 (en) 2002-06-11

Family

ID=4595239

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002221506A Abandoned AU2002221506A1 (en) 2000-11-28 2001-11-28 An enciphering system for cable tv network

Country Status (3)

Country Link
CN (2) CN1355654A (en)
AU (1) AU2002221506A1 (en)
WO (1) WO2002045428A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7215770B2 (en) * 2002-01-02 2007-05-08 Sony Corporation System and method for partially encrypted multimedia stream
CN101009549B (en) * 2006-01-26 2010-07-14 中国科学院计算技术研究所 Decoding device for the digital copyright management
CN100584008C (en) * 2006-05-09 2010-01-20 中国科学院研究生院 Scrambling non-scrambling transmission flow real-time authenticating device and television device with same
US7962638B2 (en) * 2007-03-26 2011-06-14 International Business Machines Corporation Data stream filters and plug-ins for storage managers
CN101056393B (en) * 2007-04-20 2010-06-16 中兴通讯股份有限公司 Data de-scrambling method and system
CN100562098C (en) * 2008-01-03 2009-11-18 济南市泰信电子有限责任公司 Digital television conditional access system and handling process thereof
CN105744354B (en) * 2014-12-08 2018-11-16 深圳Tcl数字技术有限公司 Scramble the de-scrambling method and system of transmitting stream
CN105512573B (en) * 2015-11-24 2019-02-05 深圳国微技术有限公司 A kind of moderator of attack resistance

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1134645A (en) * 1995-04-25 1996-10-30 冯钧 Encryption method for cable television
WO2000011871A1 (en) * 1998-08-23 2000-03-02 Open Entertainment, Inc. Transaction system for transporting media files from content provider sources to home entertainment devices

Also Published As

Publication number Publication date
CN1355654A (en) 2002-06-26
WO2002045428A1 (en) 2002-06-06
CN1476724A (en) 2004-02-18

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