DE69637865D1 - Verfahren und Einrichtung zur Verschlüsselung von MPEG Paketen - Google Patents

Verfahren und Einrichtung zur Verschlüsselung von MPEG Paketen

Info

Publication number
DE69637865D1
DE69637865D1 DE69637865T DE69637865T DE69637865D1 DE 69637865 D1 DE69637865 D1 DE 69637865D1 DE 69637865 T DE69637865 T DE 69637865T DE 69637865 T DE69637865 T DE 69637865T DE 69637865 D1 DE69637865 D1 DE 69637865D1
Authority
DE
Germany
Prior art keywords
mpeg packets
encrypting
encrypting mpeg
packets
mpeg
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 - Lifetime
Application number
DE69637865T
Other languages
English (en)
Inventor
Howard George Pinder
Michael Steven Palgon
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.)
Scientific Atlanta LLC
Original Assignee
Scientific Atlanta LLC
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 Scientific Atlanta LLC filed Critical Scientific Atlanta LLC
Application granted granted Critical
Publication of DE69637865D1 publication Critical patent/DE69637865D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • 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
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69637865T 1995-11-15 1996-11-14 Verfahren und Einrichtung zur Verschlüsselung von MPEG Paketen Expired - Lifetime DE69637865D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US679195P 1995-11-15 1995-11-15
US08/710,842 US5684876A (en) 1995-11-15 1996-09-23 Apparatus and method for cipher stealing when encrypting MPEG transport packets
PCT/US1996/018230 WO1997018654A1 (en) 1995-11-15 1996-11-14 Apparatus and method for encrypting mpeg packets

Publications (1)

Publication Number Publication Date
DE69637865D1 true DE69637865D1 (de) 2009-04-23

Family

ID=26676071

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69637865T Expired - Lifetime DE69637865D1 (de) 1995-11-15 1996-11-14 Verfahren und Einrichtung zur Verschlüsselung von MPEG Paketen

Country Status (8)

Country Link
US (1) US5684876A (de)
EP (1) EP0861540B1 (de)
JP (1) JP3626502B2 (de)
KR (1) KR19990067590A (de)
AU (1) AU702911B2 (de)
CA (1) CA2234982C (de)
DE (1) DE69637865D1 (de)
WO (1) WO1997018654A1 (de)

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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
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US7146007B1 (en) 2000-03-29 2006-12-05 Sony Corporation Secure conditional access port interface
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
US7221761B1 (en) 2000-09-18 2007-05-22 Sharp Laboratories Of America, Inc. Error resilient digital video scrambling
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
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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
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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
TW200306109A (en) * 2002-04-17 2003-11-01 Nagravision Sa Digital data ciphering method
EP1503537A1 (de) * 2002-05-09 2005-02-02 Niigata Seimitsu Co., Ltd. Zentralisiertes verschlüsselungsverwaltungssystem
WO2003096612A1 (fr) * 2002-05-09 2003-11-20 Niigata Seimitsu Co., Ltd. Dispositif, procede et systeme de cryptage
US7594271B2 (en) * 2002-09-20 2009-09-22 Widevine Technologies, Inc. Method and system for real-time tamper evidence gathering for software
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
JP4336957B2 (ja) * 2003-09-30 2009-09-30 日本電気株式会社 トランスポートストリームの暗号化装置及び編集装置並びにこれらの方法
US7406174B2 (en) * 2003-10-21 2008-07-29 Widevine Technologies, Inc. System and method for n-dimensional encryption
US20060184790A1 (en) * 2004-03-26 2006-08-17 Microsoft Corporation Protecting elementary stream content
US20060036551A1 (en) * 2004-03-26 2006-02-16 Microsoft Corporation Protecting elementary stream content
TWI259957B (en) * 2004-04-19 2006-08-11 Faraday Tech Corp System and method for accessing discrete data
US7406595B1 (en) 2004-05-05 2008-07-29 The United States Of America As Represented By The Director, National Security Agency Method of packet encryption that allows for pipelining
US9609279B2 (en) * 2004-09-24 2017-03-28 Google Inc. Method and system for providing secure CODECS
US20060140490A1 (en) * 2004-12-29 2006-06-29 Anantharaman Balasubramanian Method and apparatus for controlling access to image data
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
WO2007038245A2 (en) 2005-09-23 2007-04-05 Widevine Technologies, Inc. Method for evolving detectors to detect malign behavior in an artificial immune system
US8065733B2 (en) 2005-09-23 2011-11-22 Google, Inc. Method for evolving detectors to detect malign behavior in an artificial immune system
US7817608B2 (en) * 2005-09-23 2010-10-19 Widevine Technologies, Inc. Transitioning to secure IP communications for encoding, encapsulating, and encrypting data
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
US8345713B2 (en) * 2006-10-25 2013-01-01 Verizon Patent And Licensing Inc. Methods and apparatus for content scrambling in a communications system
US20080192924A1 (en) * 2007-02-12 2008-08-14 Sybase, Inc. Data encryption without padding
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
US8243924B2 (en) 2007-06-29 2012-08-14 Google Inc. Progressive download or streaming of digital media securely through a localized container and communication protocol proxy
US8868464B2 (en) 2008-02-07 2014-10-21 Google Inc. Preventing unauthorized modification or skipping of viewing of advertisements within content
JP2009194860A (ja) * 2008-02-18 2009-08-27 Toshiba Corp 送信装置、受信装置、コンテンツ送受信システム、コンテンツ送信方法、コンテンツ受信方法及びプログラム
US9268735B2 (en) * 2008-09-30 2016-02-23 Oracle America, Inc. Loadable and modular conditional access application
IL199486A0 (en) 2009-06-22 2011-08-01 Nds Ltd Partial encryption using variable block-size parameters
US8687803B2 (en) * 2011-09-14 2014-04-01 Apple Inc. Operational mode for block ciphers
US8751800B1 (en) 2011-12-12 2014-06-10 Google Inc. DRM provider interoperability
EP2717511A1 (de) 2012-10-05 2014-04-09 Nagravision S.A. Verfahren und Vorrichtung zur Verschlüsselung und Entschlüsselung von digitalen Datenblocks
KR20140052243A (ko) * 2012-10-23 2014-05-07 한국전자통신연구원 네트워크 데이터 서비스 장치 및 방법, 네트워크 데이터 서비스를 위한 클라이언트 단말 장치
US9397832B2 (en) * 2014-08-27 2016-07-19 International Business Machines Corporation Shared data encryption and confidentiality
US9397833B2 (en) * 2014-08-27 2016-07-19 International Business Machines Corporation Receipt, data reduction, and storage of encrypted data

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Also Published As

Publication number Publication date
WO1997018654A1 (en) 1997-05-22
EP0861540A1 (de) 1998-09-02
JP2000502219A (ja) 2000-02-22
EP0861540A4 (de) 2001-12-12
EP0861540B1 (de) 2009-03-11
JP3626502B2 (ja) 2005-03-09
CA2234982C (en) 2001-09-11
KR19990067590A (ko) 1999-08-25
AU1119497A (en) 1997-06-05
AU702911B2 (en) 1999-03-11
CA2234982A1 (en) 1997-05-22
US5684876A (en) 1997-11-04

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Legal Events

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8364 No opposition during term of opposition