MXPA04006865A - Metodo y aparato de cifrado de video individual. - Google Patents

Metodo y aparato de cifrado de video individual.

Info

Publication number
MXPA04006865A
MXPA04006865A MXPA04006865A MXPA04006865A MXPA04006865A MX PA04006865 A MXPA04006865 A MX PA04006865A MX PA04006865 A MXPA04006865 A MX PA04006865A MX PA04006865 A MXPA04006865 A MX PA04006865A MX PA04006865 A MXPA04006865 A MX PA04006865A
Authority
MX
Mexico
Prior art keywords
data
multimedia data
current key
stream
data stream
Prior art date
Application number
MXPA04006865A
Other languages
English (en)
Spanish (es)
Inventor
Schewzow Andrej
Original Assignee
Thomson Licensing Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Licensing Sa filed Critical Thomson Licensing Sa
Publication of MXPA04006865A publication Critical patent/MXPA04006865A/es

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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Graphics (AREA)
  • Physics & Mathematics (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
MXPA04006865A 2003-07-17 2004-07-15 Metodo y aparato de cifrado de video individual. MXPA04006865A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03102202A EP1499061A1 (en) 2003-07-17 2003-07-17 Individual video encryption system and method

Publications (1)

Publication Number Publication Date
MXPA04006865A true MXPA04006865A (es) 2005-07-01

Family

ID=33462223

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA04006865A MXPA04006865A (es) 2003-07-17 2004-07-15 Metodo y aparato de cifrado de video individual.

Country Status (7)

Country Link
US (1) US20050047449A1 (enExample)
EP (1) EP1499061A1 (enExample)
JP (1) JP2005039835A (enExample)
KR (1) KR20050009227A (enExample)
CN (1) CN1578457B (enExample)
DE (1) DE602004010577T2 (enExample)
MX (1) MXPA04006865A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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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
CN100542271C (zh) * 2006-05-10 2009-09-16 联发科技股份有限公司 多重串流解密和译码系统以及其相关方法
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
EP2753231A1 (en) * 2011-09-09 2014-07-16 Draeger Medical Systems, Inc. Systems and methods of cable management
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)

* Cited by examiner, † Cited by third party
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
US6243469B1 (en) * 1997-09-18 2001-06-05 Matsushita Electric Industrial Co., Ltd. Information transmission method and apparatus
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
WO2002051150A2 (en) * 2000-12-18 2002-06-27 Matsushita Electric Industrial Co., Ltd. Encryption transmission system
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

Also Published As

Publication number Publication date
CN1578457A (zh) 2005-02-09
KR20050009227A (ko) 2005-01-24
DE602004010577D1 (de) 2008-01-24
JP2005039835A (ja) 2005-02-10
EP1499061A1 (en) 2005-01-19
DE602004010577T2 (de) 2008-04-17
US20050047449A1 (en) 2005-03-03
CN1578457B (zh) 2010-04-28

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