KR100478507B1 - 디지털 비디오 컨텐츠 전송의 암호화 및 복호화 방법 및장치 - Google Patents

디지털 비디오 컨텐츠 전송의 암호화 및 복호화 방법 및장치 Download PDF

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Publication number
KR100478507B1
KR100478507B1 KR10-2002-7002727A KR20027002727A KR100478507B1 KR 100478507 B1 KR100478507 B1 KR 100478507B1 KR 20027002727 A KR20027002727 A KR 20027002727A KR 100478507 B1 KR100478507 B1 KR 100478507B1
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KR
South Korea
Prior art keywords
frame
key
generating
bit sequence
pseudo random
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.)
Expired - Fee Related
Application number
KR10-2002-7002727A
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English (en)
Korean (ko)
Other versions
KR20020053808A (ko
Inventor
그라운크게리엘.
리데이비드에이.
파버로버트더블유.
Original Assignee
인텔 코오퍼레이션
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.)
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Publication date
Application filed by 인텔 코오퍼레이션 filed Critical 인텔 코오퍼레이션
Publication of KR20020053808A publication Critical patent/KR20020053808A/ko
Application granted granted Critical
Publication of KR100478507B1 publication Critical patent/KR100478507B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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]
    • H04N21/60—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
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • 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
    • H04N21/4183—External card to be used in combination with the client device, e.g. for conditional access providing its own processing capabilities, e.g. external module for video decoding
    • 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
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4108—Peripherals receiving signals from specially adapted client devices characterised by an identification number or address, e.g. local network 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]
    • H04N21/40—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
    • H04N21/45—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
    • 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
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
KR10-2002-7002727A 1999-08-29 2000-08-17 디지털 비디오 컨텐츠 전송의 암호화 및 복호화 방법 및장치 Expired - Fee Related KR100478507B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/385,592 1999-08-29
US09/385,592 US6731758B1 (en) 1999-08-29 1999-08-29 Digital video content transmission ciphering and deciphering method and apparatus

Publications (2)

Publication Number Publication Date
KR20020053808A KR20020053808A (ko) 2002-07-05
KR100478507B1 true KR100478507B1 (ko) 2005-03-28

Family

ID=23522062

Family Applications (1)

Application Number Title Priority Date Filing Date
KR10-2002-7002727A Expired - Fee Related KR100478507B1 (ko) 1999-08-29 2000-08-17 디지털 비디오 컨텐츠 전송의 암호화 및 복호화 방법 및장치

Country Status (9)

Country Link
US (2) US6731758B1 (enExample)
EP (1) EP1212893B1 (enExample)
JP (1) JP4170620B2 (enExample)
KR (1) KR100478507B1 (enExample)
CN (1) CN1235405C (enExample)
AU (1) AU6918400A (enExample)
DE (1) DE60017155T2 (enExample)
TW (1) TW501370B (enExample)
WO (1) WO2001017251A1 (enExample)

Cited By (1)

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KR100995439B1 (ko) * 2002-09-28 2010-11-18 주식회사 케이티 스트리밍 데이터 보호 장치 및 그 방법과 그를 이용한스트리밍 보안 시스템

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Publication number Priority date Publication date Assignee Title
KR100995439B1 (ko) * 2002-09-28 2010-11-18 주식회사 케이티 스트리밍 데이터 보호 장치 및 그 방법과 그를 이용한스트리밍 보안 시스템

Also Published As

Publication number Publication date
EP1212893B1 (en) 2004-12-29
HK1043683A1 (en) 2002-09-20
JP2003508975A (ja) 2003-03-04
DE60017155T2 (de) 2006-03-02
TW501370B (en) 2002-09-01
CN1385032A (zh) 2002-12-11
US20040202321A1 (en) 2004-10-14
US7043021B2 (en) 2006-05-09
WO2001017251A1 (en) 2001-03-08
EP1212893A1 (en) 2002-06-12
AU6918400A (en) 2001-03-26
JP4170620B2 (ja) 2008-10-22
CN1235405C (zh) 2006-01-04
KR20020053808A (ko) 2002-07-05
DE60017155D1 (de) 2005-02-03
US6731758B1 (en) 2004-05-04

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