ES2185311T3 - Metodo para la grabacion de datos digitales encriptados. - Google Patents
Metodo para la grabacion de datos digitales encriptados.Info
- Publication number
- ES2185311T3 ES2185311T3 ES99902763T ES99902763T ES2185311T3 ES 2185311 T3 ES2185311 T3 ES 2185311T3 ES 99902763 T ES99902763 T ES 99902763T ES 99902763 T ES99902763 T ES 99902763T ES 2185311 T3 ES2185311 T3 ES 2185311T3
- Authority
- ES
- Spain
- Prior art keywords
- recording
- digital data
- encrypted
- encrypted digital
- recording encrypted
- 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
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
- H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
- H04N21/4185—External card to be used in combination with the client device, e.g. for conditional access for payment
-
- 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
- H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
- H04L9/0897—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
-
- 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]
- H04N21/40—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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
-
- 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
- H04N21/43—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
- H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- 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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
- H04N21/8113—Monomedia components thereof involving special audio data, e.g. different tracks for different languages comprising music, e.g. song in MP3 format
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
- Optical Recording Or Reproduction (AREA)
- Television Signal Processing For Recording (AREA)
- Recording Measured Values (AREA)
Abstract
Método de grabación de datos digitales transmitidos, en el que la información digital transmitida está encriptada por medio de una clave (E(NE)) de encriptado de grabación, y almacenada por unos medios de grabación (50) en un medio de soporte de grabación, y caracterizado porque una clave equivalente, que está adaptada para desencriptar los datos encriptados por la clave (E(NE)) de encriptado de grabación, es encriptada por una clave (RT(A)) de transporte de grabación, y almacenada en el medio de soporte junto con la información encriptada.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98400344A EP0936774A1 (en) | 1998-02-13 | 1998-02-13 | Recording of scrambled digital data |
EP98401513A EP0936812A1 (en) | 1998-02-13 | 1998-06-18 | Method and apparatus for recording of encrypted digital data |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2185311T3 true ES2185311T3 (es) | 2003-04-16 |
Family
ID=26151575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES99902763T Expired - Lifetime ES2185311T3 (es) | 1998-02-13 | 1999-02-11 | Metodo para la grabacion de datos digitales encriptados. |
Country Status (22)
Country | Link |
---|---|
US (1) | US7239704B1 (es) |
EP (2) | EP0936812A1 (es) |
JP (1) | JP2002514834A (es) |
KR (1) | KR100566008B1 (es) |
CN (1) | CN1296695A (es) |
AT (1) | ATE225999T1 (es) |
AU (1) | AU754015B2 (es) |
BR (1) | BR9907878A (es) |
CA (1) | CA2318992C (es) |
DE (1) | DE69903408T2 (es) |
ES (1) | ES2185311T3 (es) |
HK (1) | HK1031070A1 (es) |
HR (1) | HRP20000487A2 (es) |
HU (1) | HUP0100651A3 (es) |
ID (1) | ID25466A (es) |
IL (2) | IL137639A0 (es) |
NO (1) | NO332794B1 (es) |
PL (1) | PL342260A1 (es) |
RU (1) | RU2225681C2 (es) |
TR (1) | TR200002348T2 (es) |
UA (1) | UA61990C2 (es) |
WO (1) | WO1999041907A1 (es) |
Families Citing this family (92)
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WO2000057637A1 (en) * | 1999-03-24 | 2000-09-28 | Microsoft Corporation | Associating content with households using smart cards |
US7730300B2 (en) * | 1999-03-30 | 2010-06-01 | Sony Corporation | Method and apparatus for protecting the transfer of data |
FR2794595B1 (fr) * | 1999-06-03 | 2002-03-15 | Gemplus Card Int | Pre-controle d'un programme dans une carte a puce additionnelle d'un terminal |
US6289455B1 (en) * | 1999-09-02 | 2001-09-11 | Crypotography Research, Inc. | Method and apparatus for preventing piracy of digital content |
CN1327586A (zh) * | 1999-09-03 | 2001-12-19 | 皇家菲利浦电子有限公司 | 从被记录的公开资料恢复主密钥 |
US6701528B1 (en) | 2000-01-26 | 2004-03-02 | Hughes Electronics Corporation | Virtual video on demand using multiple encrypted video segments |
AU2001241972A1 (en) | 2000-03-02 | 2001-09-12 | Tivo, Inc. | Conditional access system and method for prevention of replay attacks |
DE60040724D1 (de) * | 2000-04-07 | 2008-12-18 | Irdeto Access Bv | Datenverschlüsselungs und -entschlüsselungssystem |
US8082572B1 (en) | 2000-06-08 | 2011-12-20 | The Directv Group, Inc. | Method and apparatus for transmitting, receiving, and utilizing audio/visual signals and other information |
US7457414B1 (en) | 2000-07-21 | 2008-11-25 | The Directv Group, Inc. | Super encrypted storage and retrieval of media programs with smartcard generated keys |
US8140859B1 (en) | 2000-07-21 | 2012-03-20 | The Directv Group, Inc. | Secure storage and replay of media programs using a hard-paired receiver and storage device |
US6853728B1 (en) | 2000-07-21 | 2005-02-08 | The Directv Group, Inc. | Video on demand pay per view services with unmodified conditional access functionality |
EP1182874A1 (en) * | 2000-08-24 | 2002-02-27 | Canal+ Technologies Société Anonyme | Digital content protection system |
GB0023994D0 (en) * | 2000-09-30 | 2000-11-15 | Pace Micro Tech Plc | Improvements to a broadcast data receiver |
US8121296B2 (en) | 2001-03-28 | 2012-02-21 | Qualcomm Incorporated | Method and apparatus for security in a data processing system |
US8077679B2 (en) | 2001-03-28 | 2011-12-13 | Qualcomm Incorporated | Method and apparatus for providing protocol options in a wireless communication system |
US9100457B2 (en) | 2001-03-28 | 2015-08-04 | Qualcomm Incorporated | Method and apparatus for transmission framing in a wireless communication system |
FR2825877B1 (fr) * | 2001-06-12 | 2003-09-19 | Canal Plus Technologies | Procede de controle d'acces a un programme crypte |
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US7409562B2 (en) | 2001-09-21 | 2008-08-05 | The Directv Group, Inc. | Method and apparatus for encrypting media programs for later purchase and viewing |
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JP3654360B2 (ja) * | 2002-12-02 | 2005-06-02 | ソニー株式会社 | 制御システムおよび方法、情報処理装置および方法、情報処理端末および方法、記録媒体、並びにプログラム |
US7599655B2 (en) | 2003-01-02 | 2009-10-06 | Qualcomm Incorporated | Method and apparatus for broadcast services in a communication system |
US8098818B2 (en) | 2003-07-07 | 2012-01-17 | Qualcomm Incorporated | Secure registration for a multicast-broadcast-multimedia system (MBMS) |
US8718279B2 (en) | 2003-07-08 | 2014-05-06 | Qualcomm Incorporated | Apparatus and method for a secure broadcast system |
US8724803B2 (en) | 2003-09-02 | 2014-05-13 | Qualcomm Incorporated | Method and apparatus for providing authenticated challenges for broadcast-multicast communications in a communication system |
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EP1244306B1 (en) * | 1994-07-08 | 2008-02-06 | Sony Corporation | Receiving controlled-access broadcast signals for more than one playback |
KR100332743B1 (ko) * | 1994-11-26 | 2002-11-07 | 엘지전자주식회사 | 디지탈영상시스템의불법시청및복사방지방법및장치 |
FR2732537B1 (fr) * | 1995-03-31 | 1997-06-13 | Canal Plus Sa | Procede et installation d'enregistrement d'informations numeriques cryptees |
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KR100436610B1 (ko) * | 1995-10-31 | 2004-09-23 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 시간이동된조건부액세스 |
FR2755809B1 (fr) * | 1996-11-13 | 1999-05-28 | Thomson Multimedia Sa | Procede de protection d'information transmise d'un element de securite vers un decodeur et systeme de protection utilisant un tel procede |
EP0858184A3 (en) * | 1997-02-07 | 1999-09-01 | Nds Limited | Digital recording protection system |
EP0936774A1 (en) * | 1998-02-13 | 1999-08-18 | CANAL+ Société Anonyme | Recording of scrambled digital data |
-
1998
- 1998-06-18 EP EP98401513A patent/EP0936812A1/en not_active Withdrawn
-
1999
- 1999-02-11 WO PCT/IB1999/000303 patent/WO1999041907A1/en active IP Right Grant
- 1999-02-11 US US09/622,137 patent/US7239704B1/en not_active Expired - Lifetime
- 1999-02-11 CN CN99804951A patent/CN1296695A/zh active Pending
- 1999-02-11 DE DE69903408T patent/DE69903408T2/de not_active Expired - Lifetime
- 1999-02-11 AU AU22951/99A patent/AU754015B2/en not_active Ceased
- 1999-02-11 BR BR9907878-3A patent/BR9907878A/pt not_active IP Right Cessation
- 1999-02-11 PL PL99342260A patent/PL342260A1/xx unknown
- 1999-02-11 KR KR1020007008885A patent/KR100566008B1/ko not_active IP Right Cessation
- 1999-02-11 RU RU2000123561/09A patent/RU2225681C2/ru not_active IP Right Cessation
- 1999-02-11 EP EP99902763A patent/EP1057332B1/en not_active Expired - Lifetime
- 1999-02-11 ES ES99902763T patent/ES2185311T3/es not_active Expired - Lifetime
- 1999-02-11 CA CA002318992A patent/CA2318992C/en not_active Expired - Fee Related
- 1999-02-11 IL IL13763999A patent/IL137639A0/xx active IP Right Grant
- 1999-02-11 ID IDW20001663A patent/ID25466A/id unknown
- 1999-02-11 AT AT99902763T patent/ATE225999T1/de active
- 1999-02-11 HU HU0100651A patent/HUP0100651A3/hu unknown
- 1999-02-11 TR TR2000/02348T patent/TR200002348T2/xx unknown
- 1999-02-11 JP JP2000531953A patent/JP2002514834A/ja active Pending
- 1999-11-02 UA UA2000095260A patent/UA61990C2/uk unknown
-
2000
- 2000-07-21 HR HR20000487A patent/HRP20000487A2/hr not_active Application Discontinuation
- 2000-08-01 IL IL137639A patent/IL137639A/en not_active IP Right Cessation
- 2000-08-11 NO NO20004063A patent/NO332794B1/no not_active IP Right Cessation
-
2001
- 2001-03-13 HK HK01101818A patent/HK1031070A1/xx not_active IP Right Cessation
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---|---|
HRP20000487A2 (en) | 2001-02-28 |
CN1296695A (zh) | 2001-05-23 |
DE69903408T2 (de) | 2003-06-18 |
WO1999041907A1 (en) | 1999-08-19 |
CA2318992C (en) | 2008-04-08 |
CA2318992A1 (en) | 1999-08-19 |
RU2225681C2 (ru) | 2004-03-10 |
AU2295199A (en) | 1999-08-30 |
US7239704B1 (en) | 2007-07-03 |
NO332794B1 (no) | 2013-01-14 |
BR9907878A (pt) | 2000-10-31 |
KR20010040956A (ko) | 2001-05-15 |
UA61990C2 (uk) | 2003-12-15 |
HUP0100651A3 (en) | 2003-02-28 |
EP0936812A1 (en) | 1999-08-18 |
EP1057332B1 (en) | 2002-10-09 |
AU754015B2 (en) | 2002-10-31 |
JP2002514834A (ja) | 2002-05-21 |
HUP0100651A2 (hu) | 2001-06-28 |
NO20004063D0 (no) | 2000-08-11 |
KR100566008B1 (ko) | 2006-03-30 |
IL137639A (en) | 2006-12-10 |
DE69903408D1 (de) | 2002-11-14 |
NO20004063L (no) | 2000-10-13 |
IL137639A0 (en) | 2001-10-31 |
ATE225999T1 (de) | 2002-10-15 |
PL342260A1 (en) | 2001-06-04 |
HK1031070A1 (en) | 2001-05-25 |
ID25466A (id) | 2000-10-05 |
EP1057332A1 (en) | 2000-12-06 |
TR200002348T2 (tr) | 2000-12-21 |
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