ZA200106073B - Method for operating a conditional access system for broadcast applications. - Google Patents

Method for operating a conditional access system for broadcast applications. Download PDF

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Publication number
ZA200106073B
ZA200106073B ZA200106073A ZA200106073A ZA200106073B ZA 200106073 B ZA200106073 B ZA 200106073B ZA 200106073 A ZA200106073 A ZA 200106073A ZA 200106073 A ZA200106073 A ZA 200106073A ZA 200106073 B ZA200106073 B ZA 200106073B
Authority
ZA
South Africa
Prior art keywords
key
terminals
keys
sent
encrypted
Prior art date
Application number
ZA200106073A
Other languages
English (en)
Inventor
Andres Augustine Wajs
Robert Fransdonk
Original Assignee
Irdeto Access Bv
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 Irdeto Access Bv filed Critical Irdeto Access Bv
Publication of ZA200106073B publication Critical patent/ZA200106073B/en

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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44236—Monitoring of piracy processes or activities
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Virology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Mobile Radio Communication Systems (AREA)
ZA200106073A 1999-12-22 2001-07-24 Method for operating a conditional access system for broadcast applications. ZA200106073B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99204481A EP1111923A1 (en) 1999-12-22 1999-12-22 Method for operating a conditional access system for broadcast applications

Publications (1)

Publication Number Publication Date
ZA200106073B true ZA200106073B (en) 2002-12-19

Family

ID=8241059

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200106073A ZA200106073B (en) 1999-12-22 2001-07-24 Method for operating a conditional access system for broadcast applications.

Country Status (15)

Country Link
US (1) US7155611B2 (ja)
EP (2) EP1111923A1 (ja)
JP (1) JP4818559B2 (ja)
CN (2) CN1984312A (ja)
AU (1) AU776108B2 (ja)
BR (1) BR0008324A (ja)
CA (1) CA2364398C (ja)
HK (1) HK1047842B (ja)
HU (1) HUP0200126A2 (ja)
MX (1) MXPA01008522A (ja)
NZ (1) NZ513568A (ja)
RU (1) RU2001125927A (ja)
TW (1) TW554627B (ja)
WO (1) WO2001047271A2 (ja)
ZA (1) ZA200106073B (ja)

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US20030200548A1 (en) * 2001-12-27 2003-10-23 Paul Baran Method and apparatus for viewer control of digital TV program start time
FR2835371B1 (fr) * 2002-01-31 2004-04-16 Viaccess Sa Procede et dispositif de transmission de message de gestion de titre d'acces
WO2004030363A1 (fr) * 2002-09-27 2004-04-08 Nagravision Sa Système de déchiffrement de données à accès conditionnel
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US20040151315A1 (en) * 2002-11-06 2004-08-05 Kim Hee Jean Streaming media security system and method
FR2850822A1 (fr) * 2003-02-04 2004-08-06 Canal Plus Technologies Systeme de television a peage, procede de revocation de droits dans un tel systeme, decodeur et carte a puce associes, et message transmis a un tel decodeur
WO2004082286A1 (fr) * 2003-03-12 2004-09-23 Kudelski S.A. Systeme de television a peage, procede de diffusion de programmes audiovisuels brouilles, decodeur et carte a puce mettant en oeuvre ce procede
US9461825B2 (en) 2004-01-30 2016-10-04 Broadcom Corporation Method and system for preventing revocation denial of service attacks
US20050172132A1 (en) 2004-01-30 2005-08-04 Chen Sherman (. Secure key authentication and ladder system
US9094699B2 (en) * 2004-02-05 2015-07-28 Broadcom Corporation System and method for security key transmission with strong pairing to destination client
EP1564994A1 (fr) * 2004-02-13 2005-08-17 Nagravision S.A. Méthode de gestion des droits d'abonnés à un système de télévision à péage multi-operateurs
US7487349B2 (en) * 2004-04-23 2009-02-03 Nagracard S.A. Method for securing a ciphered content transmitted by a broadcaster
FR2872651B1 (fr) * 2004-07-01 2006-09-22 Viaccess Sa Procede de transmission d'un message contenant une description d'une action a executer dans un equipement recepteur
KR100693749B1 (ko) 2005-04-25 2007-03-12 에스케이 텔레콤주식회사 수신 제한 시스템의 운용을 위한 키 전송 및 인증 시스템및 방법
KR100732668B1 (ko) 2005-05-27 2007-06-27 삼성전자주식회사 접근 제한 시스템의 보안 디바이스와, 헤드 엔드 및 접근제한 시스템의 불법 사용을 제어하는 방법
KR100755435B1 (ko) 2005-10-04 2007-09-04 삼성전자주식회사 디지털 방송 제한 수신 단말기 및 그 방법
KR100744340B1 (ko) * 2005-10-13 2007-07-30 삼성전자주식회사 디지털 방송 제한 수신 시스템 및 그 방법
KR101012979B1 (ko) * 2006-05-16 2011-02-10 교세라 가부시키가이샤 스트림 생성 방법, 방송 수신 장치 및 디스플레이 방법
FR2905215B1 (fr) * 2006-08-23 2009-01-09 Viaccess Sa Procede de transmission d'une donnee complementaire a un terminal de reception
US8824685B2 (en) * 2007-10-15 2014-09-02 Sony Corporation Method for detection of a hacked decoder
FR2923669B1 (fr) * 2007-11-09 2010-01-08 Viaccess Sa Procede de conditionnement et de controle d'acces a des contenus en codage hierarchique, processeur et emetteur pour ce procede
US8675872B2 (en) * 2007-11-28 2014-03-18 Echostar Technologies L.L.C. Secure content distribution apparatus, systems, and methods
US20090202079A1 (en) * 2008-02-11 2009-08-13 Nokia Corporation Method, apparatus and computer program product for providing mobile broadcast service protection
EP2227015B1 (en) 2009-03-02 2018-01-10 Irdeto B.V. Conditional entitlement processing for obtaining a control word
EP2227014B1 (en) * 2009-03-02 2019-10-02 Irdeto B.V. Securely providing secret data from a sender to a receiver
US8997252B2 (en) * 2009-06-04 2015-03-31 Google Technology Holdings LLC Downloadable security based on certificate status
US8949881B2 (en) * 2009-11-25 2015-02-03 Olivier Koemmerling Card sharing countermeasures
EP2373020A1 (en) * 2010-03-29 2011-10-05 Irdeto B.V. Tracing unauthorized use of secure modules
CA2858311C (en) * 2010-12-07 2017-06-20 Intertech, Corp. Efficient authorization system for multi-channel broadcast program options
GB2487727A (en) * 2011-01-28 2012-08-08 Sony Europe Ltd Module for extracting decryption seed, generating a key and providing a secure host channel
US11418580B2 (en) 2011-04-01 2022-08-16 Pure Storage, Inc. Selective generation of secure signatures in a distributed storage network
US8874991B2 (en) * 2011-04-01 2014-10-28 Cleversafe, Inc. Appending data to existing data stored in a dispersed storage network
US9503785B2 (en) 2011-06-22 2016-11-22 Nagrastar, Llc Anti-splitter violation conditional key change
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Also Published As

Publication number Publication date
NZ513568A (en) 2003-11-28
TW554627B (en) 2003-09-21
CN1984312A (zh) 2007-06-20
CA2364398C (en) 2010-02-23
WO2001047271A3 (en) 2002-01-17
MXPA01008522A (es) 2003-06-06
US7155611B2 (en) 2006-12-26
AU4049501A (en) 2001-07-03
WO2001047271A2 (en) 2001-06-28
HK1047842B (zh) 2008-10-31
EP1111923A1 (en) 2001-06-27
BR0008324A (pt) 2002-01-29
JP2003518843A (ja) 2003-06-10
CN1357197A (zh) 2002-07-03
HUP0200126A2 (hu) 2002-05-29
CN100366083C (zh) 2008-01-30
HK1047842A1 (en) 2003-03-07
AU776108B2 (en) 2004-08-26
US20020126847A1 (en) 2002-09-12
JP4818559B2 (ja) 2011-11-16
RU2001125927A (ru) 2003-07-20
EP1238537A2 (en) 2002-09-11
CA2364398A1 (en) 2001-06-28

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