ATE205654T1 - Verfahren und gerät zur kontrolle des betriebes eines signaldekoders in einer rundfunkanlage - Google Patents

Verfahren und gerät zur kontrolle des betriebes eines signaldekoders in einer rundfunkanlage

Info

Publication number
ATE205654T1
ATE205654T1 AT96201748T AT96201748T ATE205654T1 AT E205654 T1 ATE205654 T1 AT E205654T1 AT 96201748 T AT96201748 T AT 96201748T AT 96201748 T AT96201748 T AT 96201748T AT E205654 T1 ATE205654 T1 AT E205654T1
Authority
AT
Austria
Prior art keywords
decoder
controlling
signature
signal
broadcast system
Prior art date
Application number
AT96201748T
Other languages
English (en)
Inventor
Willich Manfred Von
Rix Simon Paul Ashley
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
Application granted granted Critical
Publication of ATE205654T1 publication Critical patent/ATE205654T1/de

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
    • H04N7/167—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Selective Calling Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT96201748T 1995-06-23 1996-06-24 Verfahren und gerät zur kontrolle des betriebes eines signaldekoders in einer rundfunkanlage ATE205654T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA955204 1995-06-23

Publications (1)

Publication Number Publication Date
ATE205654T1 true ATE205654T1 (de) 2001-09-15

Family

ID=25585169

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96201748T ATE205654T1 (de) 1995-06-23 1996-06-24 Verfahren und gerät zur kontrolle des betriebes eines signaldekoders in einer rundfunkanlage

Country Status (16)

Country Link
US (1) US6021197A (de)
EP (1) EP0750423B1 (de)
JP (1) JP3831453B2 (de)
CN (1) CN1147147C (de)
AT (1) ATE205654T1 (de)
AU (1) AU704421B2 (de)
BR (1) BR9602862B1 (de)
CA (1) CA2179223C (de)
CZ (1) CZ180296A3 (de)
DE (1) DE69615095T2 (de)
ES (1) ES2162970T3 (de)
HU (1) HUP9601728A3 (de)
MX (1) MX9602432A (de)
NO (1) NO962605L (de)
SK (1) SK82496A3 (de)
TW (1) TW313735B (de)

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US6697489B1 (en) * 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US6785815B1 (en) 1999-06-08 2004-08-31 Intertrust Technologies Corp. Methods and systems for encoding and protecting data using digital signature and watermarking techniques
DE19941092A1 (de) * 1999-08-30 2001-03-01 Philips Corp Intellectual Pty Netzwerk mit einer Kennungsreduktion
US6449719B1 (en) * 1999-11-09 2002-09-10 Widevine Technologies, Inc. Process and streaming server for encrypting a data stream
US8055894B2 (en) * 1999-11-09 2011-11-08 Google Inc. Process and streaming server for encrypting a data stream with bandwidth based variation
US7165175B1 (en) * 2000-09-06 2007-01-16 Widevine Technologies, Inc. Apparatus, system and method for selectively encrypting different portions of data sent over a network
US7043473B1 (en) 2000-11-22 2006-05-09 Widevine Technologies, Inc. Media tracking system and method
US7150045B2 (en) * 2000-12-14 2006-12-12 Widevine Technologies, Inc. Method and apparatus for protection of electronic media
FR2835378B1 (fr) * 2002-01-28 2004-12-24 Viaccess Sa Protocole de commande a distance d'une action locale de generation d'un message d'ordre
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
US7299292B2 (en) * 2002-03-29 2007-11-20 Widevine Technologies, Inc. Process and streaming server for encrypting a data stream to a virtual smart card client system
JP3808394B2 (ja) * 2002-04-02 2006-08-09 松下電器産業株式会社 ストリームデータ処理装置、ストリームデータ処理方法、プログラム、及び、媒体
JP4533741B2 (ja) * 2002-05-22 2010-09-01 トムソン ライセンシング 特にｄｖｂ／ｍｐｅｇデジタルストリームのための署名装置、認証装置、プロセス及び対応するプロダクト
US7594271B2 (en) * 2002-09-20 2009-09-22 Widevine Technologies, Inc. Method and system for real-time tamper evidence gathering for software
JP3801559B2 (ja) * 2002-12-26 2006-07-26 ソニー株式会社 通信装置および方法、記録媒体、並びにプログラム
FR2851112B1 (fr) * 2003-02-07 2005-06-03 Medialive Dispositif securise pour la diffusion, l'enregistrement et la visualisation a la demande des oeuvres audiovisuelles au format de type mpeg-2ts
US7356143B2 (en) * 2003-03-18 2008-04-08 Widevine Technologies, Inc System, method, and apparatus for securely providing content viewable on a secure device
US7007170B2 (en) * 2003-03-18 2006-02-28 Widevine Technologies, Inc. System, method, and apparatus for securely providing content viewable on a secure device
US20040199771A1 (en) * 2003-04-04 2004-10-07 Widevine Technologies, Inc. Method for tracing a security breach in highly distributed content
AU2003304654A1 (en) * 2003-10-16 2005-05-26 Stmicroelectronics Limited Security integrated circuit
US7406174B2 (en) * 2003-10-21 2008-07-29 Widevine Technologies, Inc. System and method for n-dimensional encryption
US9609279B2 (en) * 2004-09-24 2017-03-28 Google Inc. Method and system for providing secure CODECS
US7802279B1 (en) * 2004-12-29 2010-09-21 Digital Keystone, Inc. Methods and apparatuses for processing broadcast flagged media content
US20080015999A1 (en) * 2005-02-04 2008-01-17 Widevine Technologies, Inc. Securely ingesting encrypted content into content servers
US20070067643A1 (en) * 2005-09-21 2007-03-22 Widevine Technologies, Inc. System and method for software tamper detection
US8065733B2 (en) * 2005-09-23 2011-11-22 Google, Inc. Method for evolving detectors to detect malign behavior in an artificial immune system
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US8689016B2 (en) 2005-12-02 2014-04-01 Google Inc. Tamper prevention and detection for video provided over a network to a client
US8526612B2 (en) * 2006-01-06 2013-09-03 Google Inc. Selective and persistent application level encryption for video provided to a client
US20070180231A1 (en) * 2006-01-31 2007-08-02 Widevine Technologies, Inc. Preventing entitlement management message (EMM) filter attacks
US8621093B2 (en) * 2007-05-21 2013-12-31 Google Inc. Non-blocking of head end initiated revocation and delivery of entitlements non-addressable digital media network
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Also Published As

Publication number Publication date
MX9602432A (es) 1997-02-28
CZ180296A3 (en) 1996-12-11
AU5604596A (en) 1997-01-09
HUP9601728A2 (en) 1997-01-28
DE69615095D1 (de) 2001-10-18
ES2162970T3 (es) 2002-01-16
TW313735B (de) 1997-08-21
SK82496A3 (en) 1998-06-03
EP0750423B1 (de) 2001-09-12
NO962605D0 (no) 1996-06-19
JPH09135435A (ja) 1997-05-20
HUP9601728A3 (en) 1999-07-28
CA2179223A1 (en) 1996-12-24
AU704421B2 (en) 1999-04-22
CN1144437A (zh) 1997-03-05
DE69615095T2 (de) 2002-06-20
BR9602862B1 (pt) 2009-01-13
US6021197A (en) 2000-02-01
EP0750423A2 (de) 1996-12-27
CN1147147C (zh) 2004-04-21
BR9602862A (pt) 1998-04-22
EP0750423A3 (de) 1997-07-23
NO962605L (no) 1996-12-27
CA2179223C (en) 2009-01-06
JP3831453B2 (ja) 2006-10-11

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