ATE440414T1 - Verfahren zur umschaltung eines entschlüsselungsschlüssel, einer entschlüsselungsvorrichtung und endgerät - Google Patents

Verfahren zur umschaltung eines entschlüsselungsschlüssel, einer entschlüsselungsvorrichtung und endgerät

Info

Publication number
ATE440414T1
ATE440414T1 AT07010597T AT07010597T ATE440414T1 AT E440414 T1 ATE440414 T1 AT E440414T1 AT 07010597 T AT07010597 T AT 07010597T AT 07010597 T AT07010597 T AT 07010597T AT E440414 T1 ATE440414 T1 AT E440414T1
Authority
AT
Austria
Prior art keywords
key
decryption
service data
terminal
switching
Prior art date
Application number
AT07010597T
Other languages
English (en)
Inventor
Yong Ma
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Application granted granted Critical
Publication of ATE440414T1 publication Critical patent/ATE440414T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • 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
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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 programme guide from data received from the Internet and a Head-end or 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
    • 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
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • 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
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
  • Studio Circuits (AREA)
AT07010597T 2006-05-30 2007-05-29 Verfahren zur umschaltung eines entschlüsselungsschlüssel, einer entschlüsselungsvorrichtung und endgerät ATE440414T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2006100784940A CN1983924A (zh) 2006-05-30 2006-05-30 一种解密密码切换方法、解密装置及终端设备

Publications (1)

Publication Number Publication Date
ATE440414T1 true ATE440414T1 (de) 2009-09-15

Family

ID=38166185

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07010597T ATE440414T1 (de) 2006-05-30 2007-05-29 Verfahren zur umschaltung eines entschlüsselungsschlüssel, einer entschlüsselungsvorrichtung und endgerät

Country Status (6)

Country Link
US (1) US20100020976A1 (de)
EP (1) EP1863206B1 (de)
CN (2) CN1983924A (de)
AT (1) ATE440414T1 (de)
DE (1) DE602007002009D1 (de)
WO (1) WO2007140677A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101394265B (zh) * 2007-09-18 2012-11-14 中兴通讯股份有限公司 一种吉比特无源光纤网络系统的加密模式切换方法
CN101197663B (zh) * 2008-01-03 2010-12-29 中兴通讯股份有限公司 一种吉比特无源光网络加密业务的保护方法
EP2688328B1 (de) * 2012-07-17 2018-10-03 Google Technology Holdings LLC Sicherheit in drahtlosem Kommunikationssystem und Vorrichtung
CN102983967B (zh) * 2012-12-06 2015-09-02 厦门市美亚柏科信息股份有限公司 复杂密码快速遍历算法及装置
US10050319B2 (en) * 2014-05-28 2018-08-14 John M. Guerra Photoelectrochemical secondary cell and battery
TWI547134B (zh) * 2014-07-09 2016-08-21 瑞昱半導體股份有限公司 解密引擎以及解密方法
TWI536197B (zh) * 2015-08-28 2016-06-01 長榮大學 匿名性身分識別方法與系統
CN106487773A (zh) * 2015-09-01 2017-03-08 中兴通讯股份有限公司 一种加解密方法及装置
US10209022B1 (en) * 2015-11-24 2019-02-19 Paul A. Oglesby Muzzle device and venturi blast shield
CN105760735B (zh) * 2016-02-16 2019-04-23 Oppo广东移动通信有限公司 一种移动终端加密内容的显示方法及其装置
CN113179519A (zh) * 2021-04-16 2021-07-27 深圳市欧瑞博科技股份有限公司 一种智能设备及其组网方法、存储介质
CN119586180A (zh) * 2023-07-05 2025-03-07 北京小米移动软件有限公司 数据传输方法、接入点设备、站点设备及通信系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8704850D0 (en) * 1987-03-02 1987-04-08 Mars Inc Access systems
US4771458A (en) * 1987-03-12 1988-09-13 Zenith Electronics Corporation Secure data packet transmission system and method
US4995080A (en) * 1988-08-04 1991-02-19 Zenith Electronics Corporation Television signal scrambling system and method
DE69626486T2 (de) * 1996-01-29 2004-04-01 International Business Machines Corp. Verfahren und System zur Synchronisierung von Verschlüsselungs-/Entschlüsselungsschlüsseln in einem Datenkommunikationsnetz unter Verwendung von Markierungspaketen
EP0840477B1 (de) * 1996-10-31 2012-07-18 Panasonic Corporation Hochsicheres Verfahren zur geheimen Schlüsselübertragung mit Beschränkung des Schadens bei Bekanntwerden oder Dekodierung des geheimen Schlüssels
TR199902265T2 (xx) * 1997-03-21 2000-01-21 Canal + Societe Anonyme MPEG al�c�s�/�ifre ��z�c�s�ne veri indirmek i�in y�ntem ve bunu yapmak i�in iletim sistemi.
JP3888422B2 (ja) * 2001-04-04 2007-03-07 日本電気株式会社 映像データ転送制御システム及び映像データ転送制御方法
US20030127180A1 (en) * 2002-01-10 2003-07-10 Williams Theodore T. Hinged label construction
JP2003283485A (ja) * 2002-03-22 2003-10-03 Matsushita Electric Ind Co Ltd 暗号鍵管理方法及び暗号鍵管理システム
US6771624B2 (en) * 2002-10-10 2004-08-03 Interdigital Technology Corporation Method and apparatus for priority management of system algorithms in real time
CN1604534A (zh) * 2003-09-29 2005-04-06 华为技术有限公司 用户通过业务数据携带密钥信息的方式获取密钥的方法
JP4688426B2 (ja) * 2004-03-09 2011-05-25 富士通株式会社 無線通信システム

Also Published As

Publication number Publication date
WO2007140677A1 (fr) 2007-12-13
EP1863206A1 (de) 2007-12-05
US20100020976A1 (en) 2010-01-28
DE602007002009D1 (de) 2009-10-01
CN1983924A (zh) 2007-06-20
EP1863206B1 (de) 2009-08-19
CN101467386A (zh) 2009-06-24

Similar Documents

Publication Publication Date Title
ATE440414T1 (de) Verfahren zur umschaltung eines entschlüsselungsschlüssel, einer entschlüsselungsvorrichtung und endgerät
WO2006020141A3 (en) Technique for trasfering encrypted content from first device to second device associated with same user
WO2008121157A3 (en) Cryptographic key management system facilitating secure access of data portions to corresponding groups of users
WO2007069236A3 (en) Method and system for usage of block cipher encryption
GB0214620D0 (en) Round key generation for AES rijndael block cipher
WO2010010336A3 (en) Mulitipad encryption
GB2498039B (en) Password recovery service
WO2006091304A3 (en) System and method for drm regional and timezone key management
MY162283A (en) Method and apparatus for mutual authentication
WO2007001328A3 (en) Information-centric security
DE602006016720D1 (de) Verfahren und Vorrichtung zur sicheren Kommunikation zwischen einem Benutzergerät und einem Privatnetz
GB2407238B (en) A system and method for performing blind encryption and decryption
RU2012136911A (ru) Способ управления декодерами по меньшей мере одной группы декодеров, имеющих доступ к аудиовизуальным данным
WO2010045044A3 (en) Method and device for sending encryption parameters
DE602006010968D1 (de) Verfahren zur Entschlüsselung eines verschlüsselten Datenobjekts
TW200746773A (en) Security considerations for the LTE of UMTS
WO2006126191A3 (en) Method, device, and system of encrypting/decrypting data
WO2008080800A3 (en) Securing communication
GEP20094692B (en) Method of encrypting and transferring data between sender and receiver using network
EP1847060A4 (de) Verfahren und system zum ableiten eines verschlüsselungsschlüssels unter verwendung einer nicht mit anderen geteilten verbundzufälligkeit
FI20075776A0 (fi) Päästä-päähän salattu viestintä
EP2195963A4 (de) Sicherheitsmassnahmen zur abwehr einer unbefugten entschlüsselung
TW200701728A (en) Data-encrypting/decrypting method, data-saving media using the method, and data-encrypting/decrypting module
MX2007013211A (es) Dispositivo y metodo de procesamiento de una corriente de datos cifrados en un sistema criptografico.
MY159284A (en) A method for encrypting and decrypting data and a system therefor

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties