CN1242618C - 加密程序的访问控制方法 - Google Patents
加密程序的访问控制方法 Download PDFInfo
- Publication number
- CN1242618C CN1242618C CNB028117255A CN02811725A CN1242618C CN 1242618 C CN1242618 C CN 1242618C CN B028117255 A CNB028117255 A CN B028117255A CN 02811725 A CN02811725 A CN 02811725A CN 1242618 C CN1242618 C CN 1242618C
- Authority
- CN
- China
- Prior art keywords
- key
- user
- encipheror
- random value
- send
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000002441 reversible effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000013475 authorization Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
Images
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
- H04N21/23—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
- H04N21/26613—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Lock And Its Accessories (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/07658 | 2001-06-12 | ||
FR0107658A FR2825877B1 (fr) | 2001-06-12 | 2001-06-12 | Procede de controle d'acces a un programme crypte |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1515116A CN1515116A (zh) | 2004-07-21 |
CN1242618C true CN1242618C (zh) | 2006-02-15 |
Family
ID=8864209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028117255A Expired - Fee Related CN1242618C (zh) | 2001-06-12 | 2002-06-10 | 加密程序的访问控制方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7881478B2 (zh) |
EP (1) | EP1421789B1 (zh) |
CN (1) | CN1242618C (zh) |
AT (1) | ATE445968T1 (zh) |
CA (1) | CA2450186C (zh) |
DE (1) | DE60212147D1 (zh) |
ES (1) | ES2266527T3 (zh) |
FR (1) | FR2825877B1 (zh) |
MY (1) | MY146325A (zh) |
PT (1) | PT1421789E (zh) |
WO (1) | WO2002102074A1 (zh) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004082286A1 (fr) * | 2003-03-12 | 2004-09-23 | Kudelski S.A. | Systeme de television a peage, procede de diffusion de programmes audiovisuels brouilles, decodeur et carte a puce mettant en oeuvre ce procede |
US7519274B2 (en) | 2003-12-08 | 2009-04-14 | Divx, Inc. | File format for multiple track digital data |
US8472792B2 (en) | 2003-12-08 | 2013-06-25 | Divx, Llc | Multimedia distribution system |
EP1545130A1 (fr) * | 2003-12-16 | 2005-06-22 | Nagravision S.A. | Procédé de mise à jour de droits d'accès à des données à accès conditionel |
US7515710B2 (en) | 2006-03-14 | 2009-04-07 | Divx, Inc. | Federated digital rights management scheme including trusted systems |
KR100837270B1 (ko) * | 2006-06-07 | 2008-06-11 | 삼성전자주식회사 | 스마트 카드 및 그것의 데이터 보안 방법 |
CN101636726B (zh) | 2007-01-05 | 2013-10-30 | Divx有限责任公司 | 包含连续播放的视频分配系统 |
US8233768B2 (en) | 2007-11-16 | 2012-07-31 | Divx, Llc | Hierarchical and reduced index structures for multimedia files |
EP2129116A1 (fr) | 2008-05-29 | 2009-12-02 | Nagravision S.A. | Unité et méthode de traitement sécurisé de données audio/vidéo à accès contrôlé |
JP5723888B2 (ja) | 2009-12-04 | 2015-05-27 | ソニック アイピー, インコーポレイテッド | 基本ビットストリーム暗号材料伝送システムおよび方法 |
EP2337347A1 (en) | 2009-12-17 | 2011-06-22 | Nagravision S.A. | Method and processing unit for secure processing of access controlled audio/video data |
US8782417B2 (en) | 2009-12-17 | 2014-07-15 | Nagravision S.A. | Method and processing unit for secure processing of access controlled audio/video data |
US8914534B2 (en) | 2011-01-05 | 2014-12-16 | Sonic Ip, Inc. | Systems and methods for adaptive bitrate streaming of media stored in matroska container files using hypertext transfer protocol |
US9467708B2 (en) | 2011-08-30 | 2016-10-11 | Sonic Ip, Inc. | Selection of resolutions for seamless resolution switching of multimedia content |
US8787570B2 (en) | 2011-08-31 | 2014-07-22 | Sonic Ip, Inc. | Systems and methods for automatically genenrating top level index files |
US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
EP2772060B1 (en) * | 2011-10-28 | 2021-03-10 | Irdeto B.V. | Content stream processing |
GB2506219B (en) | 2012-09-20 | 2016-06-29 | Nds Ltd | Method and system for prevention of control word sharing |
US9191457B2 (en) | 2012-12-31 | 2015-11-17 | Sonic Ip, Inc. | Systems, methods, and media for controlling delivery of content |
US9313510B2 (en) | 2012-12-31 | 2016-04-12 | Sonic Ip, Inc. | Use of objective quality measures of streamed content to reduce streaming bandwidth |
EP2802152B1 (en) | 2013-05-07 | 2017-07-05 | Nagravision S.A. | Method for secure processing a stream of encrypted digital audio / video data |
CN113259731B (zh) | 2015-01-06 | 2023-07-04 | 帝威视有限公司 | 用于编码内容和在设备之间共享内容的系统和方法 |
Family Cites Families (24)
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 |
US4423287A (en) * | 1981-06-26 | 1983-12-27 | Visa U.S.A., Inc. | End-to-end encryption system and method of operation |
US4453074A (en) * | 1981-10-19 | 1984-06-05 | American Express Company | Protection system for intelligent cards |
JP2606419B2 (ja) * | 1989-08-07 | 1997-05-07 | 松下電器産業株式会社 | 暗号通信システムと暗号通信方法 |
US5265164A (en) * | 1991-10-31 | 1993-11-23 | International Business Machines Corporation | Cryptographic facility environment backup/restore and replication in a public key cryptosystem |
US5319705A (en) * | 1992-10-21 | 1994-06-07 | International Business Machines Corporation | Method and system for multimedia access control enablement |
CA2128115C (en) * | 1993-07-20 | 1999-08-10 | Keiichi Iwamura | Encryption apparatus, communication system using the same and method therefor |
ATE295644T1 (de) * | 1994-07-29 | 2005-05-15 | Canon Kk | Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens |
US6157719A (en) * | 1995-04-03 | 2000-12-05 | Scientific-Atlanta, Inc. | Conditional access system |
US6246767B1 (en) * | 1995-04-03 | 2001-06-12 | Scientific-Atlanta, Inc. | Source authentication of download information in a conditional access system |
US6055314A (en) * | 1996-03-22 | 2000-04-25 | Microsoft Corporation | System and method for secure purchase and delivery of video content programs |
EP0968607B1 (en) * | 1997-03-21 | 2003-02-12 | Canal+ Technologies | Smartcard for use with a receiver of encrypted broadcast signals, and receiver |
US5995625A (en) * | 1997-03-24 | 1999-11-30 | Certco, Llc | Electronic cryptographic packing |
WO1999005818A1 (en) * | 1997-07-28 | 1999-02-04 | The Director Government Communications Headquarters | Split-key cryptographic system and method |
JP2001513587A (ja) * | 1997-07-31 | 2001-09-04 | サイエンティフィック−アトランタ・インコーポレーテッド | 条件付きアクセスシステムにおける情報のプログラムのソースの検証 |
WO1999009743A2 (en) * | 1997-08-01 | 1999-02-25 | Scientific-Atlanta, Inc. | Conditional access system |
RU2000111530A (ru) * | 1997-10-02 | 2002-05-27 | Каналь+Сосьетэ Аноним | Способ и устройство для шифрованной трансляции потока данных |
CA2305644A1 (en) | 1997-10-02 | 1999-04-15 | Canal + Societe Anonyme | Method and apparatus for encrypted data stream transmission |
US6061799A (en) * | 1997-10-31 | 2000-05-09 | International Business Machines Corp. | Removable media for password based authentication in a distributed system |
EP0936774A1 (en) * | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Recording of scrambled digital data |
EP0936812A1 (en) * | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Method and apparatus for recording of encrypted digital data |
IL126472A0 (en) * | 1998-10-07 | 1999-08-17 | Nds Ltd | Secure communications system |
US6735313B1 (en) * | 1999-05-07 | 2004-05-11 | Lucent Technologies Inc. | Cryptographic method and apparatus for restricting access to transmitted programming content using hash functions and program identifiers |
EP1111923A1 (en) * | 1999-12-22 | 2001-06-27 | Irdeto Access B.V. | Method for operating a conditional access system for broadcast applications |
-
2001
- 2001-06-12 FR FR0107658A patent/FR2825877B1/fr not_active Expired - Fee Related
-
2002
- 2002-05-30 MY MYPI20021986A patent/MY146325A/en unknown
- 2002-06-10 ES ES02745508T patent/ES2266527T3/es not_active Expired - Lifetime
- 2002-06-10 CA CA2450186A patent/CA2450186C/fr not_active Expired - Fee Related
- 2002-06-10 WO PCT/FR2002/001974 patent/WO2002102074A1/fr not_active Application Discontinuation
- 2002-06-10 PT PT02745508T patent/PT1421789E/pt unknown
- 2002-06-10 EP EP20020745508 patent/EP1421789B1/fr not_active Expired - Lifetime
- 2002-06-10 CN CNB028117255A patent/CN1242618C/zh not_active Expired - Fee Related
- 2002-06-10 AT AT02745508T patent/ATE445968T1/de not_active IP Right Cessation
- 2002-06-10 US US10/479,467 patent/US7881478B2/en not_active Expired - Fee Related
- 2002-06-10 DE DE60212147T patent/DE60212147D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60212147D1 (de) | 2010-05-06 |
US7881478B2 (en) | 2011-02-01 |
CA2450186C (fr) | 2011-08-16 |
EP1421789B1 (fr) | 2009-10-14 |
FR2825877A1 (fr) | 2002-12-13 |
CN1515116A (zh) | 2004-07-21 |
US20040202331A1 (en) | 2004-10-14 |
ATE445968T1 (de) | 2009-10-15 |
FR2825877B1 (fr) | 2003-09-19 |
CA2450186A1 (fr) | 2002-12-19 |
PT1421789E (pt) | 2010-02-17 |
ES2266527T3 (es) | 2010-04-07 |
WO2002102074A1 (fr) | 2002-12-19 |
EP1421789A1 (fr) | 2004-05-26 |
MY146325A (en) | 2012-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NAGRA FRANCE SAS Free format text: FORMER OWNER: NAGRA THOMSON LICENSING CORP. Effective date: 20130912 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: NAGRA THOMSON LICENSING CORP. Free format text: FORMER NAME: CANAL TECH S.A. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Paris France Patentee after: Nagra Thomson licensing Address before: Paris France Patentee before: CANAL + TECHNOLOGIES |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130912 Address after: Paris France Patentee after: NAGRA FRANCE S.A.S. Address before: Paris France Patentee before: Nagra Thomson licensing |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060215 Termination date: 20180610 |
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CF01 | Termination of patent right due to non-payment of annual fee |