DE60040724D1 - Datenverschlüsselungs und -entschlüsselungssystem - Google Patents

Datenverschlüsselungs und -entschlüsselungssystem

Info

Publication number
DE60040724D1
DE60040724D1 DE60040724T DE60040724T DE60040724D1 DE 60040724 D1 DE60040724 D1 DE 60040724D1 DE 60040724 T DE60040724 T DE 60040724T DE 60040724 T DE60040724 T DE 60040724T DE 60040724 D1 DE60040724 D1 DE 60040724D1
Authority
DE
Germany
Prior art keywords
data encryption
decryption system
decryption
encryption
data
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
DE60040724T
Other languages
English (en)
Inventor
Andrew Augustine Wajs
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 DE60040724D1 publication Critical patent/DE60040724D1/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
    • 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
    • H04N21/26613—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 keys in general
    • 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
    • H04N21/41—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
    • H04N21/43—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, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • 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
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • 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
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
DE60040724T 2000-04-07 2000-04-07 Datenverschlüsselungs und -entschlüsselungssystem Expired - Lifetime DE60040724D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00201277A EP1143722B1 (de) 2000-04-07 2000-04-07 Datenverschlüsselungs und -entschlüsselungssystem

Publications (1)

Publication Number Publication Date
DE60040724D1 true DE60040724D1 (de) 2008-12-18

Family

ID=8171322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60040724T Expired - Lifetime DE60040724D1 (de) 2000-04-07 2000-04-07 Datenverschlüsselungs und -entschlüsselungssystem

Country Status (14)

Country Link
US (1) US7116892B2 (de)
EP (1) EP1143722B1 (de)
JP (1) JP4772252B2 (de)
CN (1) CN1190077C (de)
AU (1) AU2001260138B2 (de)
BR (1) BR0109835A (de)
CA (1) CA2405266C (de)
DE (1) DE60040724D1 (de)
ES (1) ES2315219T3 (de)
HK (1) HK1041143B (de)
MX (1) MXPA02009818A (de)
TW (1) TW540240B (de)
WO (1) WO2001078387A2 (de)
ZA (1) ZA200209032B (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001256645A1 (en) * 2000-05-22 2001-12-03 Nds Limited Dynamically shifting control word
US7688803B1 (en) 2000-09-01 2010-03-30 Young Steven J System and method for coordinating between multiple telephony channels
US7200859B1 (en) 2000-11-22 2007-04-03 Digeo, Inc. Apparatus and method for intelligent multimedia compression and distribution
US6813643B2 (en) 2001-01-05 2004-11-02 Digeo, Inc. Multimedia system with selectable protocol module including MPEG logic and docsis logic sharing a single tuner
US20020116705A1 (en) 2001-02-20 2002-08-22 Perlman Stephen G. System and method for processing conditional access data
US7046805B2 (en) 2001-03-20 2006-05-16 Digeo, Inc. System and method for efficiently storing and processing multimedia content
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
US8077679B2 (en) 2001-03-28 2011-12-13 Qualcomm Incorporated Method and apparatus for providing protocol options in a wireless communication system
US7093277B2 (en) 2001-05-30 2006-08-15 Digeo, Inc. System and method for improved multi-stream multimedia transmission and processing
US7386129B2 (en) 2001-05-30 2008-06-10 Digeo, Inc. System and method for multimedia content simulcast
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
HUP0501109A2 (en) * 2001-12-19 2006-03-28 Irdeto Access Bv Digital content distribution system
AU2002367373A1 (en) * 2002-01-14 2003-07-24 Koninklijke Philips Electronics N.V. System for providing time dependent conditional access
FR2837055B1 (fr) * 2002-03-06 2004-06-11 Viaccess Sa Protocole de controle d'acces, par plages de durees specifiques, a des informations embrouillees
CN1659873A (zh) * 2002-06-12 2005-08-24 皇家飞利浦电子股份有限公司 加密视频流的特技播放
JP4406815B2 (ja) 2002-06-26 2010-02-03 ソニー株式会社 情報処理装置および方法、記録媒体、並びにプログラム
US20040151315A1 (en) * 2002-11-06 2004-08-05 Kim Hee Jean Streaming media security system and method
KR20050087843A (ko) * 2002-12-20 2005-08-31 코닌클리케 필립스 일렉트로닉스 엔.브이. 스트림들을 프로세싱하기 위한 장치 및 방법
US7599655B2 (en) 2003-01-02 2009-10-06 Qualcomm Incorporated Method and apparatus for broadcast services in a communication system
ATE406046T1 (de) 2003-02-10 2008-09-15 Koninkl Philips Electronics Nv Erzeugung verschlüsselter videoinformationen
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
US7647641B2 (en) * 2003-12-23 2010-01-12 Viacess Method and system for conditional access applied to protection of content
TW200603629A (en) * 2004-04-22 2006-01-16 Nagravision Sa Method for processing contents intended for diffusion
CN1722659B (zh) * 2004-07-13 2011-02-23 耶德托存取公司 处理多路复用中的数据的方法和系统以及解码多路复用的数据流的方法和系统
US8402283B1 (en) 2004-08-02 2013-03-19 Nvidia Corporation Secure content enabled drive system and method
US8359332B1 (en) 2004-08-02 2013-01-22 Nvidia Corporation Secure content enabled drive digital rights management system and method
US8875309B1 (en) 2004-12-15 2014-10-28 Nvidia Corporation Content server and method of providing content therefrom
US8751825B1 (en) * 2004-12-15 2014-06-10 Nvidia Corporation Content server and method of storing content
US8346807B1 (en) 2004-12-15 2013-01-01 Nvidia Corporation Method and system for registering and activating content
US8788425B1 (en) 2004-12-15 2014-07-22 Nvidia Corporation Method and system for accessing content on demand
US8893299B1 (en) 2005-04-22 2014-11-18 Nvidia Corporation Content keys for authorizing access to content
EP1742473A1 (de) * 2005-07-06 2007-01-10 Nagra France Sarl Verfahren zur Übertragung an mobile Geräte eines digitalen Datenstromes und mit dem Datenstrom verbundener Kontrollnachrichten
EP1798975A1 (de) * 2005-12-15 2007-06-20 Nagra France Sarl Encrypting and decrypting method for conditional access content.
ES2337920T3 (es) * 2006-01-03 2010-04-30 Irdeto Access B.V. Metodo de descifrado de un objeto de datos de contenido cifrado.
EP1821538A1 (de) * 2006-02-15 2007-08-22 Irdeto Access B.V. Verfahren und System zur Herstellung von verschlüsseltem Inhalt
US20080270311A1 (en) * 2007-04-27 2008-10-30 General Instrument Corporation Method and Apparatus for Composing a Digital Rights Management License Format
US8590028B2 (en) 2007-07-09 2013-11-19 Infosys Limited Content licensing and conditional access using a mobile device
US8068608B2 (en) * 2007-12-17 2011-11-29 Broadcom Corporation Video processing system for scrambling video streams with dependent portions and methods for use therewith
CN101516022B (zh) * 2008-02-21 2010-12-08 上海明波通信技术有限公司 传输流模式加密信息信道解码的方法
EP2192773A1 (de) * 2008-12-01 2010-06-02 Irdeto Access B.V. Inhaltsverschlüsselungsvorrichtung und Verschlüsselungssystem mit einer zusätzlichen Schlüsselschicht
US7880990B2 (en) * 2008-12-10 2011-02-01 Hitachi Global Storage Technologies Netherlands B.V. Patterned-media magnetic recording disk with cryptographically scrambled patterns and disk drive operable with the disk
KR101133256B1 (ko) * 2009-02-27 2012-04-09 한국과학기술원 시그니처 정보를 이용한 물리계층에서의 타임스탬프 처리장치 및 그 방법
FR2953672A1 (fr) * 2009-12-08 2011-06-10 France Telecom Procede de dechiffrement de donnees par un equipement utilisateur comportant un terminal et un module de securite
AU2010331464B2 (en) * 2009-12-14 2015-11-26 Sumitomo Electric Industries, Ltd. Content reception apparatus, content playback apparatus, content reception and playback apparatus, content reception method, and program
US8687807B2 (en) 2011-01-26 2014-04-01 Nagrastar, L.L.C. Cascading dynamic crypto periods
JP6625431B2 (ja) * 2013-06-21 2019-12-25 サターン ライセンシング エルエルシーＳａｔｕｒｎ Ｌｉｃｅｎｓｉｎｇ ＬＬＣ 送信装置、送信方法、再生装置、再生方法および受信装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743825B2 (ja) * 1985-12-04 1995-05-15 ソニー株式会社 ダビング方式
TW241416B (de) * 1992-06-29 1995-02-21 Sony Co Ltd
KR0136458B1 (ko) * 1994-12-08 1998-05-15 구자홍 디지탈 자기 기록재생 시스템의 복사 방지장치
US6560340B1 (en) * 1995-04-03 2003-05-06 Scientific-Atlanta, Inc. Method and apparatus for geographically limiting service in a conditional access system
KR0186210B1 (ko) * 1995-11-10 1999-04-15 구자홍 디지탈 데이터의 저작권 보호와 변속 재생을 위한 자기 기록 테이프의 기록방법
JPH09168006A (ja) * 1995-12-15 1997-06-24 Hitachi Ltd 通信装置および通信方法
US5844595A (en) * 1996-05-31 1998-12-01 Thomson Consumer Electronics, Inc. Decoding of digital data including program specific information
FR2750554B1 (fr) * 1996-06-28 1998-08-14 Thomson Multimedia Sa Systeme a acces conditionnel et carte a puce permettant un tel acces
US6057872A (en) * 1997-07-09 2000-05-02 General Instrument Corporation Digital coupons for pay televisions
EP0935382A1 (de) * 1998-02-04 1999-08-11 CANAL+ Société Anonyme Konfigurierungsmethode- und -Vorrichtung
EP0936812A1 (de) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Verfahren und Anlage zur Aufnahme verschlüsselter digitaler Daten
JPH11266451A (ja) * 1998-03-18 1999-09-28 Sony Corp ディジタル放送装置及びディジタル放送方法
JPH11340966A (ja) * 1998-05-27 1999-12-10 Matsushita Electric Ind Co Ltd 鍵を用いた通信システムおよび方法
EP0964572A1 (de) * 1998-06-08 1999-12-15 CANAL+ Société Anonyme Decoder und Sicherheitsmodul für digitales Übertragungssystem
AU1811600A (en) * 1998-11-25 2000-06-13 Sony Electronics Inc. A method and apparatus for accessing stored digital programs
JP4838422B2 (ja) * 1999-01-28 2011-12-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 伝送システム
WO2000045598A1 (en) * 1999-01-28 2000-08-03 Koninklijke Philips Electronics N.V. Transmission system
US6725459B2 (en) * 2001-02-09 2004-04-20 Scientific-Atlanta, Inc. Descrambling device for use in a conditional access system

Also Published As

Publication number Publication date
HK1041143A1 (en) 2002-06-28
EP1143722A1 (de) 2001-10-10
ES2315219T3 (es) 2009-04-01
CA2405266A1 (en) 2001-10-18
ZA200209032B (en) 2003-08-28
AU6013801A (en) 2001-10-23
BR0109835A (pt) 2003-06-24
US7116892B2 (en) 2006-10-03
AU2001260138B2 (en) 2003-12-18
WO2001078387A3 (en) 2002-10-24
CA2405266C (en) 2010-05-25
JP4772252B2 (ja) 2011-09-14
TW540240B (en) 2003-07-01
US20030152364A1 (en) 2003-08-14
WO2001078387A2 (en) 2001-10-18
JP2003530785A (ja) 2003-10-14
EP1143722B1 (de) 2008-11-05
CN1421097A (zh) 2003-05-28
CN1190077C (zh) 2005-02-16
MXPA02009818A (es) 2003-03-27
HK1041143B (zh) 2009-05-08

Similar Documents

Publication Publication Date Title
DE60040724D1 (de) Datenverschlüsselungs und -entschlüsselungssystem
GB0122850D0 (en) Data encryption and decryption
DE60217260D1 (de) Datenverarbeitungs- und -verschlüsselungs-Einheit
NO20041765L (no) Krypteringssystem for datasikkerhet
AU2002344740A1 (en) Improved data encryption and decryption system and method
DE60024941D1 (de) Verschlüsselungsverfahren und -Vorrichtung, Entschlüsselungsverfahren und -Vorrichtung
DE10195870T1 (de) Computersicherheitssystem
GB2374260B (en) Data encryption
DE60126852D1 (de) Datenkommunikationssystem und Empfangsvorrichtung
DE60333008D1 (de) Datenempfangseinrichtung und datenverteilungssystem
DE60202568T8 (de) Urheberrechtschutzsystem, Aufzeichungsvorrichtung, und Wiedergabevorrichtung
DE69836450D1 (de) Verschlüsselungs-, Entschlüsselungs- und Informationsverarbeitungsgerät und -verfahren
GB0023409D0 (en) Data encryption apparatus
NO20041110L (no) Fremgangsmate og innretning for kryptering/dekryptering av data pa masselagringsinnretning.
EP1529368A4 (de) Effiziente verschlüsselung und authentifizierung für datenverarbeitungssysteme
DE60038919D1 (de) Sicherheitsvorrichtung, Speichervorrichtung und Verschlüsselungsverfahren
DE69936024D1 (de) Vorrichtung zur Verschlüsselung/Entschlüsselung
DE60021465T8 (de) Sicherheitsverwaltungssystem, Datenverteilungsvorrichtung und tragbares Terminalgerät
AU2001255366A1 (en) Systems and methods for encrypting/decrypting data
DE60041354D1 (de) Datenverteilungssystem und zugehöriges aufzeichnungsmedium
DE60143414D1 (de) Aufzeichnungs- und Ersatzaufzeichnungssystem
DE69824251D1 (de) Entschlüsselungsvorrichtung
DE69931550D1 (de) Bildverschlüsselungsmethode und -gerät
NO20006673D0 (no) Kryptografisk kommunikasjonsprosess og -anordning
SG115568A1 (en) Data encryption system and method

Legal Events

Date Code Title Description
8364 No opposition during term of opposition