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PL2124381T3 - Sposób, system i urządzenie do generowania klucza grupowego - Google Patents

Sposób, system i urządzenie do generowania klucza grupowego

Info

Publication number
PL2124381T3
PL2124381T3 PL08757518T PL08757518T PL2124381T3 PL 2124381 T3 PL2124381 T3 PL 2124381T3 PL 08757518 T PL08757518 T PL 08757518T PL 08757518 T PL08757518 T PL 08757518T PL 2124381 T3 PL2124381 T3 PL 2124381T3
Authority
PL
Poland
Prior art keywords
group key
generating group
generating
key
group
Prior art date
Application number
PL08757518T
Other languages
English (en)
Inventor
Chunxiang Xu
Huan Zhong
Ya Liu
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
Publication of PL2124381T3 publication Critical patent/PL2124381T3/pl

Links

Classifications

    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key 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)
    • H04L9/083—Key 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]
    • H04L9/0833—Key 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Storage Device Security (AREA)
PL08757518T 2007-06-08 2008-05-27 Sposób, system i urządzenie do generowania klucza grupowego PL2124381T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2007101003755A CN101321053B (zh) 2007-06-08 2007-06-08 一种生成组密钥的方法、系统和设备
PCT/CN2008/071104 WO2008151540A1 (en) 2007-06-08 2008-05-27 Method, system and device for generating group key
EP08757518.9A EP2124381B1 (en) 2007-06-08 2008-05-27 Method, system and device for generating group key

Publications (1)

Publication Number Publication Date
PL2124381T3 true PL2124381T3 (pl) 2013-11-29

Family

ID=40129241

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08757518T PL2124381T3 (pl) 2007-06-08 2008-05-27 Sposób, system i urządzenie do generowania klucza grupowego

Country Status (6)

Country Link
US (1) US8280059B2 (pl)
EP (1) EP2124381B1 (pl)
CN (1) CN101321053B (pl)
ES (1) ES2428381T3 (pl)
PL (1) PL2124381T3 (pl)
WO (1) WO2008151540A1 (pl)

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CN101202622A (zh) * 2006-12-15 2008-06-18 上海交通大学 一种减小参数传输带宽的方法和装置以及密钥交换方法
NO331571B1 (no) 2009-10-30 2012-01-30 Uni I Stavanger System for a beskytte en kryptert informasjonsenhet
CN102111266B (zh) * 2009-12-28 2014-01-15 航天信息股份有限公司 基于椭圆曲线的组密钥产生方法
DE112010005596B4 (de) * 2010-05-27 2014-12-31 South China University Of Technology (Scut) Ansatz zur hierarchischen Gruppenschlüsselverwaltung auf Basis linearer Geometrie
US20120233457A1 (en) * 2011-03-08 2012-09-13 Certicom Corp. Issuing implicit certificates
CN102256248B (zh) * 2011-07-05 2015-01-21 淮阴工学院 一种Ad hoc组密钥管理方案
CN103096308B (zh) * 2011-11-01 2016-01-20 华为技术有限公司 生成组密钥的方法和相关设备
KR101275830B1 (ko) 2011-11-07 2013-06-18 숭실대학교산학협력단 그룹키 관리 장치 및 방법, 그리고 그 방법을 컴퓨터에서 실행시키기 위한 프로그램을 기록한 기록매체
US20140297333A1 (en) * 2012-02-13 2014-10-02 Alephcloud Systems, Inc. User-mediator mediating transfer of electronic content
US9092780B2 (en) * 2012-02-13 2015-07-28 PivotCloud, Inc. User-mediator monitoring and controlling access to electronic content
US8681992B2 (en) * 2012-02-13 2014-03-25 Alephcloud Systems, Inc. Monitoring and controlling access to electronic content
EP2955897B1 (en) 2013-03-05 2018-08-01 Huawei Technologies Co., Ltd. Key interaction method and device
CN106452736B (zh) * 2016-08-12 2019-05-17 数安时代科技股份有限公司 密钥协商方法和系统
CN106850229B (zh) * 2017-01-22 2019-10-25 武汉理工大学 基于乘积秘密分割的sm2数字签名生成方法及系统
US10938563B2 (en) * 2017-06-30 2021-03-02 Intel Corporation Technologies for provisioning cryptographic keys
CN109981293B (zh) * 2019-03-28 2022-09-27 郑州师范学院 一种成员撤销处理方法、装置、设备及存储介质
WO2021068258A1 (zh) * 2019-10-12 2021-04-15 华为技术有限公司 获得安全参数的方法及装置
US11496301B2 (en) * 2020-02-21 2022-11-08 International Business Machines Corporation Publish/subscribe messaging
CN112422276B (zh) * 2020-11-04 2022-03-25 郑州信大捷安信息技术股份有限公司 一种多方密钥协商的实现方法及系统
KR102816407B1 (ko) * 2022-01-03 2025-06-05 (주)유엠로직스 다차원 함수를 이용한 pbe 방식의 그룹키 기반 화상회의 보안 시스템 및 그 방법
CN114338016B (zh) * 2022-01-08 2023-11-24 安徽师范大学 一种基于群组密钥协商的危害废料区块链监管系统、方法
CN115314203B (zh) * 2022-10-11 2022-12-20 南京易科腾信息技术有限公司 群组密钥协商方法

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US5272755A (en) * 1991-06-28 1993-12-21 Matsushita Electric Industrial Co., Ltd. Public key cryptosystem with an elliptic curve
US6212279B1 (en) * 1998-06-26 2001-04-03 The United States Of America As Represented By The United States National Security Agency Method of elliptic curve cryptographic key exchange using reduced base tau expansion in non-adjacent form
US7181014B1 (en) * 1999-09-10 2007-02-20 Cisco Technology, Inc. Processing method for key exchange among broadcast or multicast groups that provides a more efficient substitute for Diffie-Hellman key exchange
US6987855B1 (en) * 1999-09-10 2006-01-17 Cisco Technology, Inc. Operational optimization of a shared secret Diffie-Hellman key exchange among broadcast or multicast groups
US6941457B1 (en) * 2000-06-30 2005-09-06 Cisco Technology, Inc. Establishing a new shared secret key over a broadcast channel for a multicast group based on an old shared secret key
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JP2004297578A (ja) * 2003-03-27 2004-10-21 Matsushita Electric Ind Co Ltd 公開鍵生成装置、共有鍵生成装置、鍵交換装置、及び鍵交換方法
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Also Published As

Publication number Publication date
CN101321053B (zh) 2011-09-14
EP2124381B1 (en) 2013-07-17
US20100040236A1 (en) 2010-02-18
WO2008151540A1 (en) 2008-12-18
ES2428381T3 (es) 2013-11-07
CN101321053A (zh) 2008-12-10
EP2124381A1 (en) 2009-11-25
US8280059B2 (en) 2012-10-02
EP2124381A4 (en) 2012-02-29

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