TW200511860A - Duration computing method in a security module - Google Patents

Duration computing method in a security module

Info

Publication number
TW200511860A
TW200511860A TW093112937A TW93112937A TW200511860A TW 200511860 A TW200511860 A TW 200511860A TW 093112937 A TW093112937 A TW 093112937A TW 93112937 A TW93112937 A TW 93112937A TW 200511860 A TW200511860 A TW 200511860A
Authority
TW
Taiwan
Prior art keywords
security module
control
previous
information
current
Prior art date
Application number
TW093112937A
Other languages
English (en)
Inventor
Jimmy Cochard
Olivier Brique
Original Assignee
Nagracard Sa
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 Nagracard Sa filed Critical Nagracard Sa
Publication of TW200511860A publication Critical patent/TW200511860A/zh

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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/109—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by using specially-adapted hardware at the client
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
    • G06F21/725—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits operating on a secure reference time value
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00224—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a remote server
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0071—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/0084—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific time or date
    • 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
    • H04N21/45—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
    • 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
TW093112937A 2003-05-14 2004-05-07 Duration computing method in a security module TW200511860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH8432003 2003-05-14

Publications (1)

Publication Number Publication Date
TW200511860A true TW200511860A (en) 2005-03-16

Family

ID=33438097

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093112937A TW200511860A (en) 2003-05-14 2004-05-07 Duration computing method in a security module

Country Status (19)

Country Link
US (1) US8144867B2 (zh)
EP (1) EP1627530B1 (zh)
JP (1) JP2007504779A (zh)
KR (1) KR101042757B1 (zh)
CN (1) CN100490529C (zh)
AT (1) ATE344591T1 (zh)
AU (1) AU2004239939A1 (zh)
BR (1) BRPI0410302A (zh)
CA (1) CA2524674A1 (zh)
DE (1) DE602004003053T2 (zh)
ES (1) ES2276300T3 (zh)
MX (1) MXPA05012204A (zh)
MY (1) MY139276A (zh)
PL (1) PL1627530T3 (zh)
PT (1) PT1627530E (zh)
RU (1) RU2355124C2 (zh)
TW (1) TW200511860A (zh)
UA (1) UA84700C2 (zh)
WO (1) WO2004102967A1 (zh)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1802030A1 (en) * 2005-12-23 2007-06-27 Nagracard S.A. Secure system-on-chip
US8656191B2 (en) 2005-12-23 2014-02-18 Nagravision S.A. Secure system-on-chip
EP1811415A1 (en) * 2005-12-23 2007-07-25 Nagracard S.A. Secure system-on-chip
GB0606962D0 (en) * 2006-04-06 2006-05-17 Vodafone Plc Secure Module
KR20090054186A (ko) * 2007-11-26 2009-05-29 삼성전자주식회사 하향 더미 제어블록을 이용한 데이터 전송방법 및 그방법에 따른 시스템
EP2124439A1 (fr) * 2008-05-21 2009-11-25 Nagravision S.A. Méthode d'allocation et de gestion d'abbonements de réception de produits télédiffusés
US8515063B2 (en) * 2009-12-21 2013-08-20 Motorola Mobility Llc Coordinated viewing experience among remotely located users
US8326346B2 (en) * 2010-03-16 2012-12-04 Universal Electronics Inc. System and method for battery conservation in a portable device
EP2566157A1 (en) 2011-09-02 2013-03-06 Nagravision S.A. Method to optimize reception of entitlement management messages in a Pay-TV system
JP5915046B2 (ja) * 2011-09-15 2016-05-11 ソニー株式会社 情報処理装置、および情報処理方法、並びにプログラム

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893248A (en) * 1987-02-06 1990-01-09 Access Corporation Monitoring and reporting system for remote terminals
JPH01278183A (ja) * 1988-04-28 1989-11-08 Canon Inc デイジタル画像記録及び又は再生装置
US5282249A (en) * 1989-11-14 1994-01-25 Michael Cohen System for controlling access to broadcast transmissions
ES2105021T3 (es) * 1992-09-14 1997-10-16 Thomson Multimedia Sa Metodo para el control de acceso.
IL111151A (en) * 1994-10-03 1998-09-24 News Datacom Ltd Secure access systems
DE69535701T2 (de) * 1994-07-08 2009-02-12 Sony Corp. Empfangszugriffsgesteuerte Rundfunksignale
US6002772A (en) * 1995-09-29 1999-12-14 Mitsubishi Corporation Data management system
US6105134A (en) * 1995-04-03 2000-08-15 Scientific-Atlanta, Inc. Verification of the source of program information in a conditional access system
US6577734B1 (en) * 1995-10-31 2003-06-10 Lucent Technologies Inc. Data encryption key management system
ATE232670T1 (de) * 1997-03-21 2003-02-15 Canal Plus Technologies Chipkarte und empfänger für den empfang von verschlüsselten rundfunksignalen
US7395545B2 (en) * 1997-03-31 2008-07-01 Macrovision Corporation Method and apparatus for providing copy protection using a transmittal mode command
US6987854B2 (en) * 1997-09-25 2006-01-17 Thomson Licensing S.A. Method and apparatus for recording of encrypted digital data
EP0912052A1 (en) * 1997-09-25 1999-04-28 CANAL+ Société Anonyme Method and apparatus for recording of encrypted digital data
KR100672983B1 (ko) * 1997-10-02 2007-01-22 까날 + (쏘시에떼 아노님) 암호화된 데이터 스트림 전송 방법 및 장치
KR100252972B1 (ko) * 1997-12-31 2000-04-15 구자홍 한정수신 시스템
US7239709B1 (en) * 1998-01-26 2007-07-03 Matsushita Electric Industrial Co., Ltd. Data recording/reproducing method, data recording/reproducing system, recording apparatus
US7336712B1 (en) * 1998-09-02 2008-02-26 Koninklijke Philips Electronics N.V. Video signal transmission
DE69837096T2 (de) * 1998-12-08 2007-10-25 Irdeto Access B.V. Informationssignalverarbeitungsverfahren
US7730300B2 (en) * 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
JP4269409B2 (ja) * 1999-05-19 2009-05-27 ソニー株式会社 受信装置および方法
EP1113609A4 (en) * 1999-05-19 2008-08-06 Sony Corp DEVICE AND METHOD FOR RADIO TRANSMISSION, RADIO RECEPTION AND MEDIUM
JP2002300559A (ja) * 2001-03-30 2002-10-11 Ntt Comware Corp 実放送時間情報の提供ならびに実時間情報に動的にリンクした放送番組情報の録画方法、およびその情報提供サーバ、録画端末装置
US7151831B2 (en) * 2001-06-06 2006-12-19 Sony Corporation Partial encryption and PID mapping
US7747853B2 (en) * 2001-06-06 2010-06-29 Sony Corporation IP delivery of secure digital content
EP1400117A1 (en) * 2001-06-08 2004-03-24 Koninklijke Philips Electronics N.V. Device and method for selectively supplying access to a service encrypted using a control word, and smart card
SE520674C2 (sv) * 2001-12-14 2003-08-12 Television And Wireless Applic Metod och system för villkorad access
KR100962420B1 (ko) * 2002-01-14 2010-06-14 이르데토 아인드호벤 비.브이. 암호화된 정보의 분배
US7486793B2 (en) * 2002-02-15 2009-02-03 Nagracard S.A. Invoicing management method of a service transmitted per time unit
US20040054771A1 (en) * 2002-08-12 2004-03-18 Roe Glen E. Method and apparatus for the remote retrieval and viewing of diagnostic information from a set-top box
JP4077689B2 (ja) * 2002-08-28 2008-04-16 日本放送協会 コンテンツ送信方法、コンテンツ送信装置、コンテンツ送信プログラムおよびコンテンツ受信方法、コンテンツ受信装置、コンテンツ受信プログラム
US7200868B2 (en) * 2002-09-12 2007-04-03 Scientific-Atlanta, Inc. Apparatus for encryption key management
US7724907B2 (en) * 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
US7224310B2 (en) * 2002-11-20 2007-05-29 Nagravision S.A. Method and device for the recognition of the origin of encrypted data broadcasting
US20040178266A1 (en) * 2003-03-12 2004-09-16 Rightech Corporation . Card reader display for cars
JP4482380B2 (ja) * 2003-06-19 2010-06-16 パナソニック株式会社 視聴制御装置、視聴制御プログラム、セキュアモジュール
US7194756B2 (en) * 2003-06-20 2007-03-20 N2 Broadband, Inc. Systems and methods for provisioning a host device for enhanced services in a cable system
EP1662789A1 (fr) * 2004-11-29 2006-05-31 Nagracard S.A. Procédé de contrôle d'accès à des données à accès conditionnel
US7721088B2 (en) * 2006-07-27 2010-05-18 Panasonic Corporation Terminal device, server device, and content distribution system

Also Published As

Publication number Publication date
KR20060017780A (ko) 2006-02-27
PL1627530T3 (pl) 2007-03-30
US8144867B2 (en) 2012-03-27
ATE344591T1 (de) 2006-11-15
WO2004102967A1 (fr) 2004-11-25
UA84700C2 (ru) 2008-11-25
RU2005134858A (ru) 2006-09-10
DE602004003053D1 (de) 2006-12-14
AU2004239939A1 (en) 2004-11-25
DE602004003053T2 (de) 2007-05-16
CN1788493A (zh) 2006-06-14
BRPI0410302A (pt) 2006-05-23
RU2355124C2 (ru) 2009-05-10
MY139276A (en) 2009-09-30
CA2524674A1 (en) 2004-11-25
US20040240394A1 (en) 2004-12-02
EP1627530B1 (fr) 2006-11-02
ES2276300T3 (es) 2007-06-16
KR101042757B1 (ko) 2011-06-20
JP2007504779A (ja) 2007-03-01
EP1627530A1 (fr) 2006-02-22
CN100490529C (zh) 2009-05-20
PT1627530E (pt) 2007-02-28
MXPA05012204A (es) 2006-02-08

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