CN1292185A - 用于向所选成员传达私人消息的方法和设备 - Google Patents

用于向所选成员传达私人消息的方法和设备 Download PDF

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Publication number
CN1292185A
CN1292185A CN99803467A CN99803467A CN1292185A CN 1292185 A CN1292185 A CN 1292185A CN 99803467 A CN99803467 A CN 99803467A CN 99803467 A CN99803467 A CN 99803467A CN 1292185 A CN1292185 A CN 1292185A
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CN
China
Prior art keywords
message
private
equipment
message part
key
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Pending
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CN99803467A
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English (en)
Chinese (zh)
Inventor
特伦斯·E·萨姆纳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TERENCE E SUMNER
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TERENCE E SUMNER
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 TERENCE E SUMNER filed Critical TERENCE E SUMNER
Publication of CN1292185A publication Critical patent/CN1292185A/zh
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/0827Key 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) involving distinctive intermediate devices or communication paths
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key 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)
    • H04L9/083Key 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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833Key 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) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25Management 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
    • H04N21/266Channel 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
    • H04N21/26606Channel 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management 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
    • H04N21/462Content 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
    • H04N21/4623Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03Protecting confidentiality, e.g. by encryption
    • H04W12/033Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04Key management, e.g. using generic bootstrapping architecture [GBA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60Digital content management, e.g. content distribution
    • H04L2209/601Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CN99803467A 1998-01-19 1999-01-15 用于向所选成员传达私人消息的方法和设备 Pending CN1292185A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7177698P 1998-01-19 1998-01-19
US60/071,776 1998-01-19

Publications (1)

Publication Number Publication Date
CN1292185A true CN1292185A (zh) 2001-04-18

Family

ID=22103516

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99803467A Pending CN1292185A (zh) 1998-01-19 1999-01-15 用于向所选成员传达私人消息的方法和设备

Country Status (8)

Country Link
EP (1) EP1050132A4 (fr)
JP (1) JP2002510164A (fr)
CN (1) CN1292185A (fr)
AU (1) AU750042B2 (fr)
BR (1) BR9907094A (fr)
CA (1) CA2318452A1 (fr)
NO (1) NO20003651L (fr)
WO (1) WO1999037052A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8218769B2 (en) 2006-02-28 2012-07-10 Hitachi, Ltd. Encrypted communication system, communication status management server, encrypted communication method, and communication status management method
CN110419196A (zh) * 2017-03-17 2019-11-05 牛津大学创新有限公司 安全数据交换
CN117240620A (zh) * 2023-11-13 2023-12-15 杭州金智塔科技有限公司 隐私集合求并集系统及方法
CN117473539A (zh) * 2023-12-28 2024-01-30 深圳市乐凡信息科技有限公司 数据加密方法、数据解密方法、终端设备及可读存储介质

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002028104A2 (fr) * 2000-09-29 2002-04-04 Nagravision S.A. Methode d'encryption d'un ensemble de donnees formatees
GB2380369B (en) * 2001-09-27 2004-03-24 Marconi Comm Ltd A communications network encryption system
KR100768509B1 (ko) * 2005-03-10 2007-10-18 한국전자통신연구원 무선 휴대 인터넷 시스템의 암호화 및 복호화 장치, 그리고그 방법
KR101308023B1 (ko) 2011-10-27 2013-09-26 국방과학연구소 수신자 프라이버시를 보호하는 브로드캐스트 암호화 방법
JP5875441B2 (ja) 2012-03-29 2016-03-02 インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation データを暗号化する装置及び方法
CN112152906B (zh) 2015-02-16 2023-04-07 钉钉控股(开曼)有限公司 通讯方法及服务器
CN106034068A (zh) 2015-03-20 2016-10-19 阿里巴巴集团控股有限公司 群聊中进行私聊的方法、装置、客户端、服务器及系统
CN105610695B (zh) 2015-12-21 2021-01-12 阿里巴巴集团控股有限公司 对象分配方法及装置
CN105681056B (zh) 2016-01-13 2019-03-19 阿里巴巴集团控股有限公司 对象分配方法及装置
CN105812237B (zh) 2016-03-07 2020-12-04 钉钉控股(开曼)有限公司 快速添加提醒对象的方法及装置
CN107306286B (zh) 2016-04-21 2020-12-04 钉钉控股(开曼)有限公司 离线考勤的处理方法及装置
CN107305459A (zh) 2016-04-25 2017-10-31 阿里巴巴集团控股有限公司 语音和多媒体消息的发送方法及装置
CN107368995A (zh) 2016-05-13 2017-11-21 阿里巴巴集团控股有限公司 任务处理方法及装置
CN107800609B (zh) * 2016-09-05 2021-06-01 阿里巴巴集团控股有限公司 通讯方法及装置
CN107846345A (zh) 2016-09-18 2018-03-27 阿里巴巴集团控股有限公司 通讯方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803725A (en) * 1985-03-11 1989-02-07 General Instrument Corp. Cryptographic system using interchangeable key blocks and selectable key fragments
US5016277A (en) * 1988-12-09 1991-05-14 The Exchange System Limited Partnership Encryption key entry method in a microcomputer-based encryption system
US4926478A (en) * 1988-12-30 1990-05-15 Gruenberg Elliot Method and apparatus for continuously acknowledged link encrypting
US5117458A (en) * 1989-11-01 1992-05-26 Hitachi, Ltd. Secret information service system and method
GB9003326D0 (en) * 1990-02-14 1990-04-11 Enfranchise Sixty Ltd Apparatus and method for data communication
US5144664A (en) * 1990-11-16 1992-09-01 General Instrument Corporation Apparatus and method for upgrading terminals to maintain a secure communication network
GB9213169D0 (en) * 1992-06-22 1992-08-05 Ncr Int Inc Cryptographic key management apparatus and method
IL106796A (en) * 1993-08-25 1997-11-20 Algorithmic Res Ltd Broadcast encryption

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8218769B2 (en) 2006-02-28 2012-07-10 Hitachi, Ltd. Encrypted communication system, communication status management server, encrypted communication method, and communication status management method
CN110419196A (zh) * 2017-03-17 2019-11-05 牛津大学创新有限公司 安全数据交换
CN110419196B (zh) * 2017-03-17 2023-11-03 牛津大学创新有限公司 安全数据交换
CN117240620A (zh) * 2023-11-13 2023-12-15 杭州金智塔科技有限公司 隐私集合求并集系统及方法
CN117240620B (zh) * 2023-11-13 2024-02-06 杭州金智塔科技有限公司 隐私集合求并集系统及方法
CN117473539A (zh) * 2023-12-28 2024-01-30 深圳市乐凡信息科技有限公司 数据加密方法、数据解密方法、终端设备及可读存储介质
CN117473539B (zh) * 2023-12-28 2024-04-26 深圳市乐凡信息科技有限公司 数据加密方法、数据解密方法、终端设备及可读存储介质

Also Published As

Publication number Publication date
JP2002510164A (ja) 2002-04-02
NO20003651L (no) 2000-09-18
AU750042B2 (en) 2002-07-11
AU2758699A (en) 1999-08-02
WO1999037052A1 (fr) 1999-07-22
EP1050132A1 (fr) 2000-11-08
EP1050132A4 (fr) 2005-05-18
CA2318452A1 (fr) 1999-07-22
NO20003651D0 (no) 2000-07-17
BR9907094A (pt) 2000-10-24

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20010418