CN101005356A - 对加扰内容数据对象进行解扰的方法 - Google Patents
对加扰内容数据对象进行解扰的方法 Download PDFInfo
- Publication number
- CN101005356A CN101005356A CNA2006101725460A CN200610172546A CN101005356A CN 101005356 A CN101005356 A CN 101005356A CN A2006101725460 A CNA2006101725460 A CN A2006101725460A CN 200610172546 A CN200610172546 A CN 200610172546A CN 101005356 A CN101005356 A CN 101005356A
- Authority
- CN
- China
- Prior art keywords
- key
- content
- message
- conditional access
- data object
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000006870 function Effects 0.000 claims description 34
- 239000012634 fragment Substances 0.000 claims description 30
- 230000008859 change Effects 0.000 claims description 15
- 238000013475 authorization Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 230000008901 benefit Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 241001611138 Isma Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
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- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
-
- 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
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
-
- 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
- H04N21/21—Server components or server architectures
- H04N21/226—Characteristics of the server or Internal components of the server
- H04N21/2265—Server identification by a unique number or address, e.g. serial number
-
- 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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Collating Specific Patterns (AREA)
Abstract
Description
Claims (25)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06100043A EP1804508B1 (en) | 2006-01-03 | 2006-01-03 | Method of descrambling a scrambled content data object |
EP06100043.6 | 2006-01-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101005356A true CN101005356A (zh) | 2007-07-25 |
CN101005356B CN101005356B (zh) | 2012-05-30 |
Family
ID=36501900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101725460A Expired - Fee Related CN101005356B (zh) | 2006-01-03 | 2006-12-30 | 对加扰内容数据对象进行解扰的方法 |
Country Status (16)
Country | Link |
---|---|
US (1) | US8090104B2 (zh) |
EP (1) | EP1804508B1 (zh) |
JP (1) | JP5106845B2 (zh) |
KR (1) | KR20070073622A (zh) |
CN (1) | CN101005356B (zh) |
AT (1) | ATE451791T1 (zh) |
AU (1) | AU2007200006B2 (zh) |
BR (1) | BRPI0700001A (zh) |
CA (1) | CA2572345C (zh) |
DE (1) | DE602006010968D1 (zh) |
ES (1) | ES2337920T3 (zh) |
MX (1) | MX2007000299A (zh) |
MY (1) | MY144832A (zh) |
RU (1) | RU2433548C2 (zh) |
TW (1) | TW200840361A (zh) |
ZA (1) | ZA200700061B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101827246A (zh) * | 2009-02-13 | 2010-09-08 | 耶德托存取公司 | 从智能卡向有条件访问模块安全提供控制字 |
CN106970315A (zh) * | 2016-12-13 | 2017-07-21 | 威盛电子股份有限公司 | 传输接口芯片以及其测试方法 |
CN108667803A (zh) * | 2012-09-11 | 2018-10-16 | 耐克斯特纳威公司 | 用于提供对传送的信息的条件访问的***及方法 |
CN109213625A (zh) * | 2017-06-30 | 2019-01-15 | 慧荣科技股份有限公司 | 降低快闪储存介面中传收数据错误方法及装置 |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070294170A1 (en) * | 2006-06-02 | 2007-12-20 | Luc Vantalon | Systems and methods for conditional access and digital rights management |
RU2339077C1 (ru) * | 2007-03-13 | 2008-11-20 | Олег Вениаминович Сахаров | Способ функционирования системы условного доступа для применения в компьютерных сетях и система для его осуществления |
FR2923669B1 (fr) * | 2007-11-09 | 2010-01-08 | Viaccess Sa | Procede de conditionnement et de controle d'acces a des contenus en codage hierarchique, processeur et emetteur pour ce procede |
US11076189B2 (en) | 2009-03-30 | 2021-07-27 | Time Warner Cable Enterprises Llc | Personal media channel apparatus and methods |
US9215423B2 (en) | 2009-03-30 | 2015-12-15 | Time Warner Cable Enterprises Llc | Recommendation engine apparatus and methods |
JP5446453B2 (ja) * | 2009-04-30 | 2014-03-19 | ソニー株式会社 | 情報処理装置、電子署名生成システム、電子署名用の鍵生成方法、情報処理方法、及びプログラム |
US8813124B2 (en) | 2009-07-15 | 2014-08-19 | Time Warner Cable Enterprises Llc | Methods and apparatus for targeted secondary content insertion |
US8701138B2 (en) | 2010-04-23 | 2014-04-15 | Time Warner Cable Enterprises Llc | Zone control methods and apparatus |
FR2967002B1 (fr) * | 2010-10-27 | 2012-12-14 | Viaccess Sa | Procede de reception d'un contenu multimedia embrouille a l'aide de mots de controle |
EP2487828A1 (en) * | 2011-02-10 | 2012-08-15 | Thomson Licensing | Method and device for generating control words |
US9251097B1 (en) * | 2011-03-22 | 2016-02-02 | Amazon Technologies, Inc. | Redundant key management |
IL213611A0 (en) | 2011-06-16 | 2011-07-31 | Erez Waisbard | Secure fast channel changing |
US9426123B2 (en) | 2012-02-23 | 2016-08-23 | Time Warner Cable Enterprises Llc | Apparatus and methods for content distribution to packet-enabled devices via a network bridge |
US20130227283A1 (en) * | 2012-02-23 | 2013-08-29 | Louis Williamson | Apparatus and methods for providing content to an ip-enabled device in a content distribution network |
US8838149B2 (en) | 2012-04-02 | 2014-09-16 | Time Warner Cable Enterprises Llc | Apparatus and methods for ensuring delivery of geographically relevant content |
US9467723B2 (en) | 2012-04-04 | 2016-10-11 | Time Warner Cable Enterprises Llc | Apparatus and methods for automated highlight reel creation in a content delivery network |
US9106405B1 (en) * | 2012-06-25 | 2015-08-11 | Amazon Technologies, Inc. | Multi-user secret decay |
US9904788B2 (en) * | 2012-08-08 | 2018-02-27 | Amazon Technologies, Inc. | Redundant key management |
WO2016006973A1 (en) * | 2014-07-11 | 2016-01-14 | Lg Electronics Inc. | Broadcast reception device, operating method of broadcast reception device, conditional access module and operating method of conditional access module |
US10116676B2 (en) | 2015-02-13 | 2018-10-30 | Time Warner Cable Enterprises Llc | Apparatus and methods for data collection, analysis and service modification based on online activity |
US10411900B2 (en) * | 2016-07-12 | 2019-09-10 | Electronics And Telecommunications Research Institute | Control word protection method for conditional access system |
US11212593B2 (en) | 2016-09-27 | 2021-12-28 | Time Warner Cable Enterprises Llc | Apparatus and methods for automated secondary content management in a digital network |
CN106803979B (zh) * | 2017-02-20 | 2019-10-11 | 深圳创维数字技术有限公司 | 一种支持多个节目同时解扰的方法及*** |
US20220069995A1 (en) * | 2019-02-24 | 2022-03-03 | Nili Philipp | System and method for securing data |
US11349640B2 (en) * | 2019-09-12 | 2022-05-31 | Intertrust Technologies Corporation | Dynamic broadcast content access management systems and methods |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6246767B1 (en) * | 1995-04-03 | 2001-06-12 | Scientific-Atlanta, Inc. | Source authentication of download information in a conditional access system |
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 |
AU1581699A (en) * | 1997-08-01 | 1999-03-08 | Scientific-Atlanta, Inc. | Conditional access system |
EP0926894A1 (en) * | 1997-12-23 | 1999-06-30 | CANAL+ Société Anonyme | Scrambling unit for a digital transmission system |
EP0936774A1 (en) * | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Recording of scrambled digital data |
US6697489B1 (en) * | 1999-03-30 | 2004-02-24 | Sony Corporation | Method and apparatus for securing control words |
ES2315219T3 (es) * | 2000-04-07 | 2009-04-01 | Irdeto Access B.V. | Sistema de cifrado y descifrado de datos. |
JP3742282B2 (ja) * | 2000-06-30 | 2006-02-01 | 株式会社東芝 | 放送受信方法および放送受信装置および情報配信方法および情報配信装置 |
US7409562B2 (en) * | 2001-09-21 | 2008-08-05 | The Directv Group, Inc. | Method and apparatus for encrypting media programs for later purchase and viewing |
JP4659357B2 (ja) * | 2001-09-21 | 2011-03-30 | ザ・ディレクティービー・グループ・インコーポレイテッド | 条件付アクセスモジュールと、集積受信機およびデコーダの対動作を制御する方法および装置 |
JP2003153227A (ja) * | 2001-11-13 | 2003-05-23 | Toshiba Corp | 放送受信処理システム、放送受信処理方法、及び受信装置に適用されるicカード |
JP3965126B2 (ja) | 2002-03-20 | 2007-08-29 | 松下電器産業株式会社 | コンテンツを再生する再生装置 |
AU2003216617A1 (en) * | 2002-04-19 | 2003-11-03 | Koninklijke Philips Electronics N.V. | Conditional access system and apparatus |
US20040017918A1 (en) * | 2002-07-24 | 2004-01-29 | Christophe Nicolas | Process for point-to-point secured transmission of data and electronic module for implementing the process |
CA2494999C (en) * | 2002-08-19 | 2012-04-03 | Nagravision S.A. | Method for verifying validity of domestic digital network key |
KR100813954B1 (ko) * | 2003-01-16 | 2008-03-14 | 삼성전자주식회사 | 암호화 장치 및 암호화 방법 |
EP1447976B1 (en) * | 2003-02-12 | 2019-06-19 | Irdeto B.V. | Method of controlling descrambling of a plurality of program transport streams, receiver system and portable secure device |
US7487349B2 (en) * | 2004-04-23 | 2009-02-03 | Nagracard S.A. | Method for securing a ciphered content transmitted by a broadcaster |
-
2006
- 2006-01-03 EP EP06100043A patent/EP1804508B1/en not_active Not-in-force
- 2006-01-03 ES ES06100043T patent/ES2337920T3/es active Active
- 2006-01-03 AT AT06100043T patent/ATE451791T1/de not_active IP Right Cessation
- 2006-01-03 DE DE602006010968T patent/DE602006010968D1/de active Active
- 2006-12-22 MY MYPI20064754A patent/MY144832A/en unknown
- 2006-12-22 US US11/644,171 patent/US8090104B2/en not_active Expired - Fee Related
- 2006-12-28 CA CA2572345A patent/CA2572345C/en not_active Expired - Fee Related
- 2006-12-28 JP JP2006354896A patent/JP5106845B2/ja not_active Expired - Fee Related
- 2006-12-29 RU RU2006147370/08A patent/RU2433548C2/ru not_active IP Right Cessation
- 2006-12-30 CN CN2006101725460A patent/CN101005356B/zh not_active Expired - Fee Related
-
2007
- 2007-01-02 AU AU2007200006A patent/AU2007200006B2/en not_active Ceased
- 2007-01-02 ZA ZA200700061A patent/ZA200700061B/en unknown
- 2007-01-03 BR BRPI0700001-4A patent/BRPI0700001A/pt not_active IP Right Cessation
- 2007-01-03 KR KR1020070000558A patent/KR20070073622A/ko active IP Right Grant
- 2007-01-08 MX MX2007000299A patent/MX2007000299A/es active IP Right Grant
- 2007-03-22 TW TW095148128A patent/TW200840361A/zh unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101827246A (zh) * | 2009-02-13 | 2010-09-08 | 耶德托存取公司 | 从智能卡向有条件访问模块安全提供控制字 |
CN108667803A (zh) * | 2012-09-11 | 2018-10-16 | 耐克斯特纳威公司 | 用于提供对传送的信息的条件访问的***及方法 |
CN106970315A (zh) * | 2016-12-13 | 2017-07-21 | 威盛电子股份有限公司 | 传输接口芯片以及其测试方法 |
CN106970315B (zh) * | 2016-12-13 | 2019-11-26 | 威盛电子股份有限公司 | 传输接口芯片以及其测试方法 |
CN109213625A (zh) * | 2017-06-30 | 2019-01-15 | 慧荣科技股份有限公司 | 降低快闪储存介面中传收数据错误方法及装置 |
CN109213625B (zh) * | 2017-06-30 | 2022-02-11 | 慧荣科技股份有限公司 | 降低快闪储存介面中传收数据错误方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
US20070177733A1 (en) | 2007-08-02 |
RU2433548C2 (ru) | 2011-11-10 |
KR20070073622A (ko) | 2007-07-10 |
RU2006147370A (ru) | 2008-07-10 |
CA2572345C (en) | 2014-12-23 |
JP2007184929A (ja) | 2007-07-19 |
US8090104B2 (en) | 2012-01-03 |
ES2337920T3 (es) | 2010-04-30 |
ATE451791T1 (de) | 2009-12-15 |
ZA200700061B (en) | 2009-05-27 |
MX2007000299A (es) | 2008-11-14 |
DE602006010968D1 (de) | 2010-01-21 |
MY144832A (en) | 2011-11-15 |
TW200840361A (en) | 2008-10-01 |
AU2007200006B2 (en) | 2010-11-18 |
CA2572345A1 (en) | 2007-07-03 |
EP1804508B1 (en) | 2009-12-09 |
CN101005356B (zh) | 2012-05-30 |
JP5106845B2 (ja) | 2012-12-26 |
BRPI0700001A (pt) | 2007-10-16 |
AU2007200006A1 (en) | 2007-07-19 |
EP1804508A1 (en) | 2007-07-04 |
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