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DE69835670D1 - Datenübertragungssystem - Google Patents

Datenübertragungssystem

Info

Publication number
DE69835670D1
DE69835670D1 DE69835670T DE69835670T DE69835670D1 DE 69835670 D1 DE69835670 D1 DE 69835670D1 DE 69835670 T DE69835670 T DE 69835670T DE 69835670 T DE69835670 T DE 69835670T DE 69835670 D1 DE69835670 D1 DE 69835670D1
Authority
DE
Germany
Prior art keywords
data transfer
transfer system
data
transfer
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
DE69835670T
Other languages
English (en)
Other versions
DE69835670T2 (de
Inventor
Simon Paul Ashley Rix
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.)
Irdeto Access BV
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 DE69835670D1 publication Critical patent/DE69835670D1/de
Publication of DE69835670T2 publication Critical patent/DE69835670T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N7/167—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]
    • H04N21/20—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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69835670T 1998-09-01 1998-09-01 Datenübertragungssystem Expired - Lifetime DE69835670T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98202916A EP0984630B1 (de) 1998-09-01 1998-09-01 Datenübertragungssystem
US09/386,184 US6766024B1 (en) 1998-09-01 1999-08-31 Data communication system

Publications (2)

Publication Number Publication Date
DE69835670D1 true DE69835670D1 (de) 2006-10-05
DE69835670T2 DE69835670T2 (de) 2007-09-06

Family

ID=33161039

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69835670T Expired - Lifetime DE69835670T2 (de) 1998-09-01 1998-09-01 Datenübertragungssystem

Country Status (7)

Country Link
US (1) US6766024B1 (de)
EP (1) EP0984630B1 (de)
JP (1) JP2000092045A (de)
DE (1) DE69835670T2 (de)
ES (1) ES2270494T3 (de)
HK (1) HK1026324A1 (de)
ZA (1) ZA995259B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002082732A (ja) * 2000-09-06 2002-03-22 Nec Corp プログラムコードの不正改竄防止システム及びその方法並びにその制御プログラムを記録した記録媒体
DE60205879T2 (de) 2001-02-26 2006-06-08 Nagravision S.A. Verschlüsselung eines komprimierten videostromes
GB2373074B (en) * 2001-03-10 2004-10-13 Ibm A method and apparatus for storage of security keys and certificates
US8077679B2 (en) 2001-03-28 2011-12-13 Qualcomm Incorporated Method and apparatus for providing protocol options in a wireless communication system
US9100457B2 (en) 2001-03-28 2015-08-04 Qualcomm Incorporated Method and apparatus for transmission framing in a wireless communication system
US8121296B2 (en) 2001-03-28 2012-02-21 Qualcomm Incorporated Method and apparatus for security in a data processing system
US7352868B2 (en) 2001-10-09 2008-04-01 Philip Hawkes Method and apparatus for security in a data processing system
US7649829B2 (en) 2001-10-12 2010-01-19 Qualcomm Incorporated Method and system for reduction of decoding complexity in a communication system
US20030084284A1 (en) * 2001-10-24 2003-05-01 Satoshi Ando Data distribution system, sending device, receiving device, data distribution method, sending method, receiving method, recording medium on which data preparation program is recorded and recording medium on which data assembling program is recorded
EP1397014A1 (de) * 2002-09-04 2004-03-10 SCHLUMBERGER Systèmes WIM (WAP Identification module) Anwendungsprozeduren für Beförderung das secure socket layer protocol (SSL)
FR2849307B1 (fr) * 2002-12-24 2006-10-27 Viaccess Sa Procede et systeme de securisation de donnees embrouillees
US7599655B2 (en) 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
US8098818B2 (en) 2003-07-07 2012-01-17 Qualcomm Incorporated Secure registration for a multicast-broadcast-multimedia system (MBMS)
US8718279B2 (en) 2003-07-08 2014-05-06 Qualcomm Incorporated Apparatus and method for a secure broadcast system
US8724803B2 (en) 2003-09-02 2014-05-13 Qualcomm Incorporated Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system
DE602005010428D1 (de) * 2005-08-04 2008-11-27 Dibcom Verfahren, Vorrichtung und Computerprogramm zur Datenentschlüsselung

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870474A (en) 1995-12-04 1999-02-09 Scientific-Atlanta, Inc. Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
US5742677A (en) 1995-04-03 1998-04-21 Scientific-Atlanta, Inc. Information terminal having reconfigurable memory
US4074066A (en) * 1976-04-26 1978-02-14 International Business Machines Corporation Message verification and transmission error detection by block chaining
US4531020A (en) 1982-07-23 1985-07-23 Oak Industries Inc. Multi-layer encryption system for the broadcast of encrypted information
US4887296A (en) 1984-10-26 1989-12-12 Ricoh Co., Ltd. Cryptographic system for direct broadcast satellite system
US4868877A (en) 1988-02-12 1989-09-19 Fischer Addison M Public key/signature cryptosystem with enhanced digital signature certification
US5282249A (en) 1989-11-14 1994-01-25 Michael Cohen System for controlling access to broadcast transmissions
IL92310A (en) 1989-11-14 1994-05-30 News Datacom Ltd System for controlling access to broadcast transmissions
JPH03214834A (ja) 1990-01-19 1991-09-20 Canon Inc マルチメデイアネツトワークシステム
US5029207A (en) 1990-02-01 1991-07-02 Scientific-Atlanta, Inc. External security module for a television signal decoder
US5237610A (en) 1990-02-01 1993-08-17 Scientific-Atlanta, Inc. Independent external security module for a digitally upgradeable television signal decoder
US5054064A (en) 1990-03-29 1991-10-01 Gte Laboratories Incorporated Video control system for recorded programs
IL107967A (en) * 1993-12-09 1996-12-05 News Datacom Research Ltd Apparatus and method for securing communication systems
US5420866A (en) 1994-03-29 1995-05-30 Scientific-Atlanta, Inc. Methods for providing conditional access information to decoders in a packet-based multiplexed communications system
CA2149067A1 (en) 1994-06-22 1995-12-23 Joseph Anton Bednar Jr. User-identification and verification of data integrity in a wireless communication system
FI97007C (fi) 1994-08-01 1996-09-25 Nokia Technology Gmbh Järjestelmä video-, audio- ja datapalveluja lähettävien eri hallintajärjestelmien kontrolloimiseksi sekä järjestelmässä käytettävä vastaanotin
US5696823A (en) * 1995-03-31 1997-12-09 Lucent Technologies Inc. High-bandwidth encryption system with low-bandwidth cryptographic modules
US5796836A (en) * 1995-04-17 1998-08-18 Secure Computing Corporation Scalable key agile cryptography
US5600378A (en) 1995-05-22 1997-02-04 Scientific-Atlanta, Inc. Logical and composite channel mapping in an MPEG network
US5625693A (en) 1995-07-07 1997-04-29 Thomson Consumer Electronics, Inc. Apparatus and method for authenticating transmitting applications in an interactive TV system
GB9514525D0 (en) 1995-07-15 1995-09-13 Philips Electronics Uk Ltd Data packet handling
JPH09139931A (ja) * 1995-09-05 1997-05-27 Hitachi Ltd 放送送受信方法及びその送受信装置及びその記録再生装置
EP0800745B1 (de) * 1995-10-31 2003-09-17 Koninklijke Philips Electronics N.V. Zeitverschobener bedingter zugang
HRP970160A2 (en) 1996-04-03 1998-02-28 Digco B V Method for providing a secure communication between two devices and application of this method
FR2751817B1 (fr) * 1996-07-29 1998-09-11 Thomson Multimedia Sa Systeme a acces conditionnel utilisant des messages a cles de chiffrement multiples
US6061451A (en) * 1996-09-03 2000-05-09 Digital Vision Laboratories Corporation Apparatus and method for receiving and decrypting encrypted data and protecting decrypted data from illegal use
DE59708572D1 (de) * 1996-09-03 2002-11-28 Siemens Ag Anordnung und verfahren zur kryptographischen bearbeitung eines digitalen datenstroms, der eine beliebige anzahl von daten aufweist
JPH10303883A (ja) * 1997-04-24 1998-11-13 Fuji Xerox Co Ltd 暗号化方法
US6333983B1 (en) * 1997-12-16 2001-12-25 International Business Machines Corporation Method and apparatus for performing strong encryption or decryption data using special encryption functions
JPH11194708A (ja) * 1998-01-07 1999-07-21 Sony Corp 情報処理装置および方法、並びに伝送媒体
US6347143B1 (en) * 1998-12-15 2002-02-12 Philips Electronics No. America Corp. Cryptographic device with encryption blocks connected parallel

Also Published As

Publication number Publication date
ZA995259B (en) 2000-02-21
EP0984630B1 (de) 2006-08-23
DE69835670T2 (de) 2007-09-06
EP0984630A1 (de) 2000-03-08
US6766024B1 (en) 2004-07-20
ES2270494T3 (es) 2007-04-01
JP2000092045A (ja) 2000-03-31
HK1026324A1 (en) 2000-12-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition