DE69802694T2 - Verfahren und vorrichtung zur einkapselung der zugriffsberechtigung in einem system mit bedingtem zugang - Google Patents
Verfahren und vorrichtung zur einkapselung der zugriffsberechtigung in einem system mit bedingtem zugangInfo
- Publication number
- DE69802694T2 DE69802694T2 DE69802694T DE69802694T DE69802694T2 DE 69802694 T2 DE69802694 T2 DE 69802694T2 DE 69802694 T DE69802694 T DE 69802694T DE 69802694 T DE69802694 T DE 69802694T DE 69802694 T2 DE69802694 T2 DE 69802694T2
- Authority
- DE
- Germany
- Prior art keywords
- encoding
- access system
- authorization
- conditional
- conditional access
- 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
Links
- 238000013475 authorization Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/045—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
-
- 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 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]
- H04N21/40—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5457897P | 1997-08-01 | 1997-08-01 | |
US11195898A | 1998-07-08 | 1998-07-08 | |
PCT/US1998/015639 WO1999007151A1 (en) | 1997-08-01 | 1998-07-28 | Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69802694D1 DE69802694D1 (de) | 2002-01-10 |
DE69802694T2 true DE69802694T2 (de) | 2002-08-01 |
Family
ID=26733221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69802694T Expired - Lifetime DE69802694T2 (de) | 1997-08-01 | 1998-07-28 | Verfahren und vorrichtung zur einkapselung der zugriffsberechtigung in einem system mit bedingtem zugang |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1000510B1 (de) |
JP (2) | JP4119606B2 (de) |
AU (1) | AU8759798A (de) |
BR (1) | BR9815600A (de) |
DE (1) | DE69802694T2 (de) |
WO (1) | WO1999007151A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100697059B1 (ko) * | 1999-12-22 | 2007-06-27 | 이르데토 아인드호벤 비.브이. | 데이터 콘텐트에 대한 액세스를 제어하기 위한 조건부 액세스 시스템 |
EP1247399A1 (de) * | 2000-01-14 | 2002-10-09 | Diva Systems Corporation | Bedingter zugang und sicherheit für video-auf-anfrage-system |
EP1295467B1 (de) * | 2000-06-20 | 2004-01-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodierung von parameterwerten |
JP2002016893A (ja) * | 2000-06-30 | 2002-01-18 | Sony Corp | 放送番組情報伝達方法及びデジタル放送送信機及びデジタル放送受信機及びデジタル放送記録機及びデジタル放送記録再生機 |
CN1459197A (zh) * | 2000-07-21 | 2003-11-26 | 通用仪器公司 | 用于方便用户访问网络允许的业务的系统和方法 |
US20020083470A1 (en) * | 2000-12-21 | 2002-06-27 | Philips Electronics North America Corporation | System and method for sending out-of-band service information to a host device |
CN1310497C (zh) * | 2001-09-25 | 2007-04-11 | 汤姆森许可公司 | 对不同的服务供应商和服务区域使用多个密钥广播dtv用的ca系统 |
US7933411B2 (en) | 2002-06-28 | 2011-04-26 | Trident Microsystems (Far East) Ltd. | Method of constructing MPEG program streams from encrypted MPEG transport streams |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5420866A (en) * | 1994-03-29 | 1995-05-30 | Scientific-Atlanta, Inc. | Methods for providing conditional access information to decoders in a packet-based multiplexed communications system |
CA2146472C (en) * | 1994-04-22 | 2007-10-09 | Kevin Elliott Bridgewater | Packet video signal inverse transport processor with memory address circuitry |
DE69622233T2 (de) * | 1995-09-05 | 2003-03-27 | Hitachi Ltd | Verfahren zur digitalen Zugangskontrolle |
KR0166923B1 (ko) * | 1995-09-18 | 1999-03-20 | 구자홍 | 디지탈 방송 시스템의 불법 시청 및 복사 방지방법 및 장치 |
KR100436610B1 (ko) * | 1995-10-31 | 2004-09-23 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 시간이동된조건부액세스 |
US5899578A (en) * | 1995-12-25 | 1999-05-04 | Sony Corporation | Digital signal processor, processing method, digital signal recording/playback device and digital signal playback method |
DE872077T1 (de) * | 1995-12-29 | 1999-05-06 | Scientific Atlanta | Verfahren und einrichtung zum bedingten zugang in verbindungsorientierten interaktiven netzwerken mit mehreren dienstanbietern |
-
1998
- 1998-07-28 EP EP98939105A patent/EP1000510B1/de not_active Expired - Lifetime
- 1998-07-28 WO PCT/US1998/015639 patent/WO1999007151A1/en active IP Right Grant
- 1998-07-28 AU AU87597/98A patent/AU8759798A/en not_active Abandoned
- 1998-07-28 JP JP2000505745A patent/JP4119606B2/ja not_active Expired - Fee Related
- 1998-07-28 BR BR9815600-4A patent/BR9815600A/pt not_active IP Right Cessation
- 1998-07-28 DE DE69802694T patent/DE69802694T2/de not_active Expired - Lifetime
-
2005
- 2005-05-19 JP JP2005146748A patent/JP2005295589A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO1999007151A1 (en) | 1999-02-11 |
EP1000510B1 (de) | 2001-11-28 |
BR9815600A (pt) | 2004-06-29 |
AU8759798A (en) | 1999-02-22 |
EP1000510A1 (de) | 2000-05-17 |
JP4119606B2 (ja) | 2008-07-16 |
DE69802694D1 (de) | 2002-01-10 |
JP2005295589A (ja) | 2005-10-20 |
JP2001512935A (ja) | 2001-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |