HK1043683A1 - Digital video content transmission ciphering and deciphering method and apparatus. - Google Patents
Digital video content transmission ciphering and deciphering method and apparatus.Info
- Publication number
- HK1043683A1 HK1043683A1 HK02105398A HK02105398A HK1043683A1 HK 1043683 A1 HK1043683 A1 HK 1043683A1 HK 02105398 A HK02105398 A HK 02105398A HK 02105398 A HK02105398 A HK 02105398A HK 1043683 A1 HK1043683 A1 HK 1043683A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- digital video
- video content
- content transmission
- deciphering method
- transmission ciphering
- Prior art date
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]
- H04N21/60—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
-
- 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
- H04N21/4183—External card to be used in combination with the client device, e.g. for conditional access providing its own processing capabilities, e.g. external module for video decoding
-
- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4108—Peripherals receiving signals from specially adapted client devices characterised by an identification number or address, e.g. local network address
-
- 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
- H04N21/45—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
- H04N21/4627—Rights management associated to the content
-
- 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]
- H04N21/60—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
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
- H04N21/63775—Control signals issued by the client directed to the server or network components directed to server for uploading keys, e.g. for a client to communicate its public key to the server
-
- 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)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/385,592 US6731758B1 (en) | 1999-08-29 | 1999-08-29 | Digital video content transmission ciphering and deciphering method and apparatus |
PCT/US2000/022785 WO2001017251A1 (en) | 1999-08-29 | 2000-08-17 | Digital video content transmission ciphering and deciphering met hod and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1043683A1 true HK1043683A1 (en) | 2002-09-20 |
Family
ID=23522062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02105398A HK1043683A1 (en) | 1999-08-29 | 2002-07-22 | Digital video content transmission ciphering and deciphering method and apparatus. |
Country Status (10)
Families Citing this family (51)
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US20070100757A1 (en) * | 1999-05-19 | 2007-05-03 | Rhoads Geoffrey B | Content Protection Arrangements |
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US7068786B1 (en) | 1999-08-29 | 2006-06-27 | Intel Corporation | Dual use block/stream cipher |
US6477252B1 (en) | 1999-08-29 | 2002-11-05 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
US6731758B1 (en) | 1999-08-29 | 2004-05-04 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
US6947558B1 (en) | 1999-08-29 | 2005-09-20 | Intel Corporation | Stream cipher having a shuffle network combiner function |
US7356848B1 (en) * | 1999-10-19 | 2008-04-08 | Thomson Licensing | System and method of verifying authorization for communicating protected content |
US7003107B2 (en) | 2000-05-23 | 2006-02-21 | Mainstream Encryption | Hybrid stream cipher |
US7277543B1 (en) * | 2000-11-14 | 2007-10-02 | Honeywell International Inc. | Cryptographic combiner using two sequential non-associative operations |
US6909786B2 (en) * | 2001-01-09 | 2005-06-21 | D'crypt Private Limited | Cryptographic trap door with timed lock and controlled escrow |
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KR100995439B1 (ko) * | 2002-09-28 | 2010-11-18 | 주식회사 케이티 | 스트리밍 데이터 보호 장치 및 그 방법과 그를 이용한스트리밍 보안 시스템 |
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JP4912797B2 (ja) * | 2006-08-30 | 2012-04-11 | 三菱電機株式会社 | 暗号装置及び復号装置及び暗号方法及び復号方法及びプログラム |
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CN101669322B (zh) * | 2007-05-08 | 2013-07-03 | 汤姆森特许公司 | 用于调节解密密钥的方法和装置 |
US20080304664A1 (en) * | 2007-06-07 | 2008-12-11 | Shanmugathasan Suthaharan | System and a method for securing information |
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JP5273963B2 (ja) | 2007-07-23 | 2013-08-28 | 修 亀田 | 擬似乱数の生成方法及び装置、並びに擬似乱数を用いた暗号化方法及び装置 |
KR20100106327A (ko) | 2007-11-16 | 2010-10-01 | 디브이엑스, 인크. | 멀티미디어 파일을 위한 계층적 및 감소된 인덱스 구조 |
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WO2010018611A1 (en) * | 2008-08-13 | 2010-02-18 | Thomson Licensing | Apparatus and method for encrypting image data, and decrypting the encrypted image data, and image data distribution system |
KR101012334B1 (ko) * | 2009-02-17 | 2011-02-09 | (주)티엔씨애드컴 | 부표 광고장치 및 방법 |
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US9043827B1 (en) | 2009-12-16 | 2015-05-26 | Prime Research Alliance E, Inc. | Method and system for providing conditional access to encrypted content |
US9247312B2 (en) | 2011-01-05 | 2016-01-26 | Sonic Ip, Inc. | Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming 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 |
US8806188B2 (en) | 2011-08-31 | 2014-08-12 | Sonic Ip, Inc. | Systems and methods for performing adaptive bitrate streaming using automatically generated 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 |
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 |
KR102012682B1 (ko) | 2015-01-06 | 2019-08-22 | 디브이엑스, 엘엘씨 | 디바이스들간에 콘텐트를 인코딩 및 공유하기 위한 시스템들 및 방법들 |
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US6731758B1 (en) * | 1999-08-29 | 2004-05-04 | Intel Corporation | Digital video content transmission ciphering and deciphering method and apparatus |
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-
1999
- 1999-08-29 US US09/385,592 patent/US6731758B1/en not_active Expired - Lifetime
-
2000
- 2000-08-17 EP EP00957587A patent/EP1212893B1/en not_active Expired - Lifetime
- 2000-08-17 KR KR10-2002-7002727A patent/KR100478507B1/ko not_active IP Right Cessation
- 2000-08-17 DE DE60017155T patent/DE60017155T2/de not_active Expired - Lifetime
- 2000-08-17 WO PCT/US2000/022785 patent/WO2001017251A1/en active IP Right Grant
- 2000-08-17 CN CNB008150648A patent/CN1235405C/zh not_active Expired - Fee Related
- 2000-08-17 JP JP2001521065A patent/JP4170620B2/ja not_active Expired - Fee Related
- 2000-08-17 AU AU69184/00A patent/AU6918400A/en not_active Abandoned
- 2000-08-29 TW TW089117509A patent/TW501370B/zh not_active IP Right Cessation
-
2002
- 2002-07-22 HK HK02105398A patent/HK1043683A1/xx not_active IP Right Cessation
-
2004
- 2004-04-14 US US10/825,009 patent/US7043021B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU6918400A (en) | 2001-03-26 |
EP1212893A1 (en) | 2002-06-12 |
US6731758B1 (en) | 2004-05-04 |
CN1235405C (zh) | 2006-01-04 |
DE60017155T2 (de) | 2006-03-02 |
DE60017155D1 (de) | 2005-02-03 |
KR20020053808A (ko) | 2002-07-05 |
JP4170620B2 (ja) | 2008-10-22 |
TW501370B (en) | 2002-09-01 |
JP2003508975A (ja) | 2003-03-04 |
KR100478507B1 (ko) | 2005-03-28 |
US20040202321A1 (en) | 2004-10-14 |
WO2001017251A1 (en) | 2001-03-08 |
US7043021B2 (en) | 2006-05-09 |
CN1385032A (zh) | 2002-12-11 |
EP1212893B1 (en) | 2004-12-29 |
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