CN1220383C - 传输用加密密钥加密的信息的系统与方法 - Google Patents
传输用加密密钥加密的信息的系统与方法 Download PDFInfo
- Publication number
- CN1220383C CN1220383C CNB028075935A CN02807593A CN1220383C CN 1220383 C CN1220383 C CN 1220383C CN B028075935 A CNB028075935 A CN B028075935A CN 02807593 A CN02807593 A CN 02807593A CN 1220383 C CN1220383 C CN 1220383C
- Authority
- CN
- China
- Prior art keywords
- key
- data
- information
- receiving station
- cell site
- 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
Images
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
- H04N21/25—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
- H04N21/45—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
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR01/04342 | 2001-03-30 | ||
FR0104342A FR2823039B1 (fr) | 2001-03-30 | 2001-03-30 | Systeme et procede de transmission d'informations chiffrees a cle chiffree |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1500351A CN1500351A (zh) | 2004-05-26 |
CN1220383C true CN1220383C (zh) | 2005-09-21 |
Family
ID=8861753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028075935A Expired - Fee Related CN1220383C (zh) | 2001-03-30 | 2002-03-22 | 传输用加密密钥加密的信息的系统与方法 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7454618B2 (zh) |
EP (1) | EP1374586B1 (zh) |
CN (1) | CN1220383C (zh) |
AT (1) | ATE394874T1 (zh) |
CA (1) | CA2442534C (zh) |
CY (1) | CY1108170T1 (zh) |
DE (1) | DE60226421D1 (zh) |
ES (1) | ES2305232T3 (zh) |
FR (1) | FR2823039B1 (zh) |
MY (1) | MY136896A (zh) |
PT (1) | PT1374586E (zh) |
WO (1) | WO2002080544A1 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2823039B1 (fr) * | 2001-03-30 | 2003-08-01 | Canal Plus Technologies | Systeme et procede de transmission d'informations chiffrees a cle chiffree |
US20040093614A1 (en) * | 2002-10-29 | 2004-05-13 | Atsunori Sakurai | Conditional access system and receiver |
FR2849563B1 (fr) * | 2002-12-31 | 2005-02-11 | Medialive | Marquage personnalise pour la protection de flux audiovisuels numeriques |
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 |
EP1575292A1 (fr) * | 2004-03-10 | 2005-09-14 | Nagracard S.A. | Méthode de sécurisation d'un contenu chiffré transmis par un diffuseur |
WO2007062689A1 (en) * | 2005-12-01 | 2007-06-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for distributing keying information |
US7921304B2 (en) * | 2005-12-06 | 2011-04-05 | Microsoft Corporation | Securing data set images |
EP2247105A1 (en) * | 2009-04-27 | 2010-11-03 | Nagravision S.A. | Method to secure access to audio/video content in a decoding unit |
US8443687B2 (en) * | 2009-12-14 | 2013-05-21 | GM Global Technology Operations LLC | Electro-hydraulic control system for a dual clutch transmission |
CA2858311C (en) * | 2010-12-07 | 2017-06-20 | Intertech, Corp. | Efficient authorization system for multi-channel broadcast program options |
US9131265B2 (en) * | 2011-05-19 | 2015-09-08 | Maxlinear, Inc. | Method and system for providing satellite television service to a premises |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US6105134A (en) * | 1995-04-03 | 2000-08-15 | Scientific-Atlanta, Inc. | Verification of the source of program information in a conditional access system |
US6424717B1 (en) * | 1995-04-03 | 2002-07-23 | Scientific-Atlanta, Inc. | Encryption devices for use in a conditional access system |
US6252964B1 (en) * | 1995-04-03 | 2001-06-26 | Scientific-Atlanta, Inc. | Authorization of services in a conditional access system |
US6937729B2 (en) * | 1995-04-03 | 2005-08-30 | Scientific-Atlanta, Inc. | Representing entitlements to service in a conditional access system |
JP3963037B2 (ja) * | 1997-03-19 | 2007-08-22 | ソニー株式会社 | 記録装置及び再生装置 |
JP2003521818A (ja) * | 1997-08-01 | 2003-07-15 | サイエンティフィック−アトランタ, インコーポレイテッド | 条件付きアクセスシステムにおけるサービスの認証 |
DE69834396T2 (de) * | 1998-09-01 | 2007-02-22 | Irdeto Access B.V. | Sicheres Datensignalübertragungssystem |
US6535607B1 (en) * | 1998-11-02 | 2003-03-18 | International Business Machines Corporation | Method and apparatus for providing interoperability between key recovery and non-key recovery systems |
US7730300B2 (en) * | 1999-03-30 | 2010-06-01 | Sony Corporation | Method and apparatus for protecting the transfer of data |
US7224806B2 (en) * | 2000-11-13 | 2007-05-29 | Thomson Licensing | Threshold cryptography scheme for conditional access systems |
US7072971B2 (en) * | 2000-11-13 | 2006-07-04 | Digital Foundation, Inc. | Scheduling of multiple files for serving on a server |
WO2002077878A1 (en) * | 2001-03-26 | 2002-10-03 | Galois Connections Inc | Crypto-pointers for secure data storage |
FR2823039B1 (fr) * | 2001-03-30 | 2003-08-01 | Canal Plus Technologies | Systeme et procede de transmission d'informations chiffrees a cle chiffree |
EP1488641A1 (en) * | 2002-03-19 | 2004-12-22 | Koninklijke Philips Electronics N.V. | Conditional access control |
US7539876B2 (en) * | 2003-04-18 | 2009-05-26 | Via Technologies, Inc. | Apparatus and method for generating a cryptographic key schedule in a microprocessor |
US20040255145A1 (en) * | 2003-05-06 | 2004-12-16 | Jerry Chow | Memory protection systems and methods for writable memory |
-
2001
- 2001-03-30 FR FR0104342A patent/FR2823039B1/fr not_active Expired - Fee Related
-
2002
- 2002-02-05 MY MYPI20020381A patent/MY136896A/en unknown
- 2002-03-22 DE DE60226421T patent/DE60226421D1/de not_active Expired - Lifetime
- 2002-03-22 AT AT02722363T patent/ATE394874T1/de active
- 2002-03-22 US US10/472,201 patent/US7454618B2/en not_active Expired - Fee Related
- 2002-03-22 ES ES02722363T patent/ES2305232T3/es not_active Expired - Lifetime
- 2002-03-22 EP EP02722363A patent/EP1374586B1/fr not_active Expired - Lifetime
- 2002-03-22 CA CA002442534A patent/CA2442534C/fr not_active Expired - Fee Related
- 2002-03-22 CN CNB028075935A patent/CN1220383C/zh not_active Expired - Fee Related
- 2002-03-22 PT PT02722363T patent/PT1374586E/pt unknown
- 2002-03-22 WO PCT/FR2002/001010 patent/WO2002080544A1/fr active IP Right Grant
-
2008
- 2008-07-01 CY CY20081100692T patent/CY1108170T1/el unknown
Also Published As
Publication number | Publication date |
---|---|
FR2823039B1 (fr) | 2003-08-01 |
CN1500351A (zh) | 2004-05-26 |
WO2002080544A1 (fr) | 2002-10-10 |
ATE394874T1 (de) | 2008-05-15 |
US20040114764A1 (en) | 2004-06-17 |
CA2442534C (fr) | 2009-12-29 |
EP1374586A1 (fr) | 2004-01-02 |
US7454618B2 (en) | 2008-11-18 |
CY1108170T1 (el) | 2014-02-12 |
CA2442534A1 (fr) | 2002-10-10 |
EP1374586B1 (fr) | 2008-05-07 |
DE60226421D1 (de) | 2008-06-19 |
ES2305232T3 (es) | 2008-11-01 |
PT1374586E (pt) | 2008-07-07 |
FR2823039A1 (fr) | 2002-10-04 |
MY136896A (en) | 2008-11-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1168304C (zh) | 数字本地网络的一种全球拷贝保护系统 | |
CN100499799C (zh) | 提供对被传送数据的有条件访问的传输系统 | |
EP2225848B1 (en) | Key distribution system | |
US5937067A (en) | Apparatus and method for local encryption control of a global transport data stream | |
US7567674B2 (en) | Content transmission apparatus, content reception apparatus, content transmission program, and content reception program | |
US8548167B2 (en) | System for traceable decryption of bandwidth-efficient broadcast of encrypted messages and security module revocation method used for securing broadcasted messages | |
CN1144462C (zh) | 带有增强保密措施以防非法收看下载节目的付费广播系统 | |
US8677147B2 (en) | Method for accessing services by a user unit | |
CN1272930C (zh) | 加扰数字数据的记录 | |
CN1183198A (zh) | 具有可重构存储器的信息终端 | |
JP4628509B2 (ja) | 安全な方法でデータ信号を放送するシステム | |
CN1171015A (zh) | 条件存取系统和允许这种存取的智能卡 | |
CN1220383C (zh) | 传输用加密密钥加密的信息的系统与方法 | |
CN1265807A (zh) | 用于广播服务的全球条件接通系统 | |
CN100344161C (zh) | 用于管理存储在个人数字记录器上的加密内容的权利的方法 | |
CN1419760A (zh) | 使多点传送内容与多个接收者中的每一个唯一关联的方法和系统 | |
CN1643915A (zh) | 在个人数字记录器上安全存储加密数据的方法 | |
US8401190B2 (en) | Portable security module pairing | |
MXPA05006345A (es) | Metodo para el control del acceso en television digital de paga. | |
CN100438617C (zh) | 付费电视、在这种系统中撤销权利的方法、相关的解码器和智能卡 | |
CN101331768B (zh) | 传送有条件访问内容的方法 | |
CN1960267A (zh) | 移动多媒体广播中实现预付费业务的系统和方法 | |
USRE38529E1 (en) | Scramble/descramble method and apparatus for data broadcasting | |
CN1299506C (zh) | 一种无需寻址授权的条件接收组合控制方法 | |
CN1930881A (zh) | 保护广播商广播的加密内容的安全的方法 |
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: 20130905 |
|
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: 20130905 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: 20050921 Termination date: 20200322 |
|
CF01 | Termination of patent right due to non-payment of annual fee |