DE602004010577D1 - System und Verfahren zur individuellen Video-Verschlüsselung - Google Patents
System und Verfahren zur individuellen Video-VerschlüsselungInfo
- Publication number
- DE602004010577D1 DE602004010577D1 DE602004010577T DE602004010577T DE602004010577D1 DE 602004010577 D1 DE602004010577 D1 DE 602004010577D1 DE 602004010577 T DE602004010577 T DE 602004010577T DE 602004010577 T DE602004010577 T DE 602004010577T DE 602004010577 D1 DE602004010577 D1 DE 602004010577D1
- Authority
- DE
- Germany
- Prior art keywords
- individual video
- video encryption
- encryption
- individual
- video
- 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.)
- Active
Links
Classifications
-
- 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
- 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
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42684—Client identification by a unique number or address, e.g. serial number, MAC address, socket ID
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
-
- 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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
-
- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
-
- 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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
- Power Engineering (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03102202A EP1499061A1 (de) | 2003-07-17 | 2003-07-17 | System und Verfahren zur individuellen Video-Verschlüsselung |
EP03102202 | 2003-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004010577D1 true DE602004010577D1 (de) | 2008-01-24 |
DE602004010577T2 DE602004010577T2 (de) | 2008-04-17 |
Family
ID=33462223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004010577T Active DE602004010577T2 (de) | 2003-07-17 | 2004-07-16 | System und Verfahren zur individuellen Video-Verschlüsselung |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050047449A1 (de) |
EP (1) | EP1499061A1 (de) |
JP (1) | JP2005039835A (de) |
KR (1) | KR20050009227A (de) |
CN (1) | CN1578457B (de) |
DE (1) | DE602004010577T2 (de) |
MX (1) | MXPA04006865A (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8165161B2 (en) * | 2005-04-01 | 2012-04-24 | Broadcom Advanced Compression Group, Llc | Method and system for formatting encoded video data |
US9225698B2 (en) | 2005-05-12 | 2015-12-29 | Nokia Technologies Oy | Fine grain rights management of streaming content |
US8780777B2 (en) | 2007-04-20 | 2014-07-15 | Blackberry Limited | Method and apparatus for user equipment for long term evolution multimedia broadcast multicast services |
CN101296358B (zh) * | 2007-04-26 | 2011-06-22 | 华为技术有限公司 | 一种广播加密更新系统及方法 |
KR100960260B1 (ko) * | 2007-11-22 | 2010-06-01 | 주식회사 마크애니 | 디지털 파일 암호화 방법, 디지털 파일 복호화 방법,디지털 파일 처리 장치 및 암호화 포맷 변환 장치 |
WO2009070339A1 (en) * | 2007-11-28 | 2009-06-04 | Atrua Technologies, Inc. | System for and method of locking and unlocking a secret using a fingerprint |
CN101800878B (zh) * | 2010-01-04 | 2011-11-23 | 重庆大学 | 基于位置文件的mpeg视频加密与解密系统以及方法 |
US8750179B2 (en) | 2011-08-15 | 2014-06-10 | Blackberry Limited | Efficient multimedia broadcast multicast service continuity methods |
CN103781402A (zh) * | 2011-09-09 | 2014-05-07 | 德尔格医疗系统有限公司 | 线缆管理的系统及方法 |
US9942580B2 (en) | 2011-11-18 | 2018-04-10 | At&T Intellecutal Property I, L.P. | System and method for automatically selecting encoding/decoding for streaming media |
CN109214193B (zh) * | 2017-07-05 | 2022-03-22 | 创新先进技术有限公司 | 数据加密、机器学习模型训练方法、装置以及电子设备 |
CN108718235A (zh) * | 2018-04-28 | 2018-10-30 | 王萍 | 一种流式加密和解密方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5285497A (en) * | 1993-04-01 | 1994-02-08 | Scientific Atlanta | Methods and apparatus for scrambling and unscrambling compressed data streams |
DE4323147A1 (de) * | 1993-07-10 | 1995-01-12 | Sel Alcatel Ag | Kabelfernseh-Verteilnetz mit Abruf-Videosignal-Übertragung |
US5583562A (en) * | 1993-12-03 | 1996-12-10 | Scientific-Atlanta, Inc. | System and method for transmitting a plurality of digital services including imaging services |
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 |
GB9605472D0 (en) * | 1996-03-15 | 1996-05-15 | Digi Media Vision Ltd | A secure method and apparatus for data transmission in digital video broadcast data services |
US6970564B1 (en) * | 1998-07-13 | 2005-11-29 | Sony Corporation | Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device |
EP0903886B1 (de) * | 1997-09-18 | 2006-03-15 | Matsushita Electric Industrial Co., Ltd. | Übertragungsverfahren und -vorrichtung zum kombinierten Multiplexen und Verschlüsseln |
JP3561154B2 (ja) * | 1997-12-26 | 2004-09-02 | 株式会社東芝 | 放送受信装置および契約管理装置 |
JPH11261986A (ja) * | 1998-03-13 | 1999-09-24 | Fujitsu Ltd | デジタル多重伝送装置 |
JP4083302B2 (ja) * | 1998-08-12 | 2008-04-30 | 株式会社東芝 | 動画像スクランブル/デスクランブル装置 |
US7151832B1 (en) * | 1999-11-18 | 2006-12-19 | International Business Machines Corporation | Dynamic encryption and decryption of a stream of data |
US7110542B1 (en) * | 1999-12-30 | 2006-09-19 | Intel Corporation | Protecting audio/video content during storage and playback on a processor-based system |
JP2002077089A (ja) * | 2000-09-05 | 2002-03-15 | Toshiba Corp | 多重伝送装置および多重伝送方法 |
EP1344400A2 (de) * | 2000-12-18 | 2003-09-17 | Matsushita Electric Industrial Co., Ltd. | System zur verschlüsselten übertragung |
JP3841337B2 (ja) * | 2001-10-03 | 2006-11-01 | 日本放送協会 | コンテンツ送信装置、コンテンツ受信装置およびコンテンツ送信プログラム、コンテンツ受信プログラム |
JP2003264805A (ja) * | 2002-03-12 | 2003-09-19 | Mitsubishi Electric Corp | 多重化装置および多重化方法 |
-
2003
- 2003-07-17 EP EP03102202A patent/EP1499061A1/de not_active Withdrawn
-
2004
- 2004-07-09 CN CN2004100634925A patent/CN1578457B/zh not_active Expired - Fee Related
- 2004-07-15 MX MXPA04006865A patent/MXPA04006865A/es active IP Right Grant
- 2004-07-15 JP JP2004208600A patent/JP2005039835A/ja active Pending
- 2004-07-16 KR KR1020040055475A patent/KR20050009227A/ko active IP Right Grant
- 2004-07-16 DE DE602004010577T patent/DE602004010577T2/de active Active
- 2004-07-16 US US10/893,183 patent/US20050047449A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
MXPA04006865A (es) | 2005-07-01 |
DE602004010577T2 (de) | 2008-04-17 |
US20050047449A1 (en) | 2005-03-03 |
KR20050009227A (ko) | 2005-01-24 |
EP1499061A1 (de) | 2005-01-19 |
JP2005039835A (ja) | 2005-02-10 |
CN1578457A (zh) | 2005-02-09 |
CN1578457B (zh) | 2010-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |