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DE69940842D1 - Verfahren zur gemeinsamen nutzung eines exklusiven schlüssels - Google Patents

Verfahren zur gemeinsamen nutzung eines exklusiven schlüssels

Info

Publication number
DE69940842D1
DE69940842D1 DE69940842T DE69940842T DE69940842D1 DE 69940842 D1 DE69940842 D1 DE 69940842D1 DE 69940842 T DE69940842 T DE 69940842T DE 69940842 T DE69940842 T DE 69940842T DE 69940842 D1 DE69940842 D1 DE 69940842D1
Authority
DE
Germany
Prior art keywords
joint use
exclusive key
exclusive
key
joint
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.)
Expired - Lifetime
Application number
DE69940842T
Other languages
English (en)
Inventor
Natsume Matsuzaki
Jun Anzai
Tsutomu Matsumoto
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.)
Panasonic Mobile Communications Co Ltd
Panasonic Holdings Corp
Original Assignee
Matsushita Communication Industrial Co Ltd
Matsushita Electric Industrial 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
Priority claimed from JP10368817A external-priority patent/JP3074164B2/ja
Priority claimed from JP11012227A external-priority patent/JP3032192B1/ja
Priority claimed from JP11062247A external-priority patent/JP3074168B1/ja
Priority claimed from JP24287799A external-priority patent/JP2001069135A/ja
Application filed by Matsushita Communication Industrial Co Ltd, Matsushita Electric Industrial Co Ltd filed Critical Matsushita Communication Industrial Co Ltd
Application granted granted Critical
Publication of DE69940842D1 publication Critical patent/DE69940842D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04L9/085—Secret sharing or secret splitting, e.g. threshold schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69940842T 1998-12-25 1999-12-22 Verfahren zur gemeinsamen nutzung eines exklusiven schlüssels Expired - Lifetime DE69940842D1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP10368817A JP3074164B2 (ja) 1998-12-25 1998-12-25 排他的鍵共有法
JP11012227A JP3032192B1 (ja) 1999-01-20 1999-01-20 排他的鍵共有法
JP11062247A JP3074168B1 (ja) 1999-03-09 1999-03-09 排他的鍵共有法
JP24287799A JP2001069135A (ja) 1999-08-30 1999-08-30 高速化排他的鍵共有法
PCT/JP1999/007234 WO2000039957A1 (fr) 1998-12-25 1999-12-22 Procede de partage de cle exclusive

Publications (1)

Publication Number Publication Date
DE69940842D1 true DE69940842D1 (de) 2009-06-18

Family

ID=27455758

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940842T Expired - Lifetime DE69940842D1 (de) 1998-12-25 1999-12-22 Verfahren zur gemeinsamen nutzung eines exklusiven schlüssels

Country Status (4)

Country Link
US (1) US6813357B1 (de)
EP (1) EP1059762B1 (de)
DE (1) DE69940842D1 (de)
WO (1) WO2000039957A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7080255B1 (en) * 1999-05-19 2006-07-18 Murata Kikai Kabushiki Kaisha Secret key generation method, encryption method, and cryptographic communications method and system
JP4284867B2 (ja) * 2001-01-18 2009-06-24 株式会社日立製作所 標準モデル上で適応的選択暗号文攻撃に対して安全な公開鍵暗号方法
FR2824212A1 (fr) 2001-04-25 2002-10-31 Thomson Licensing Sa Procede de gestion d'une cle symetrique dans un reseau de communication et dispositifs pour la mise en oeuvre
TWI246298B (en) * 2002-04-30 2005-12-21 Ibm Cryptographic communication system, key distribution server and terminal device constituting the system, and method for sharing key
US7376101B2 (en) * 2003-02-20 2008-05-20 Nec Laboratories America, Inc. Secure candidate access router discovery method and system
JP2005039729A (ja) * 2003-07-18 2005-02-10 Oki Electric Ind Co Ltd 携帯電話を用いた情報公開システム
KR100987207B1 (ko) * 2003-08-02 2010-10-12 삼성전자주식회사 멀티미디어 방송/다중방송 서비스를 지원하는이동통신시스템에서의 암호화 방법
KR100629495B1 (ko) * 2005-07-23 2006-09-28 삼성전자주식회사 그룹 키 생성방법
US20070094494A1 (en) * 2005-10-26 2007-04-26 Honeywell International Inc. Defending against sybil attacks in sensor networks
WO2009075353A1 (ja) * 2007-12-12 2009-06-18 Nec Corporation 分散情報生成装置、復元装置、検証装置及び秘密情報分散システム
KR100957121B1 (ko) * 2008-02-22 2010-05-13 성균관대학교산학협력단 키 분배 방법 및 인증 서버
WO2010100923A1 (ja) * 2009-03-03 2010-09-10 Kddi株式会社 鍵共有システム
WO2015092967A1 (ja) * 2013-12-16 2015-06-25 パナソニックＩｐマネジメント株式会社 認証システム、認証方法および認証装置
JP6965832B2 (ja) 2018-05-29 2021-11-10 日本電信電話株式会社 投票システム、投票中継サーバ、クライアント端末、投票方法、広告配信システム、及びプログラム
US11201732B1 (en) * 2020-06-23 2021-12-14 Qassim Mohammed Soliman Al Mahmoud Private and public key exchange method preventing man-in-the-middle attack without electronic certificate and digital signature

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0546731A (ja) 1991-08-09 1993-02-26 Iseki & Co Ltd メロンの外観評価装置
JP3620138B2 (ja) * 1996-02-05 2005-02-16 松下電器産業株式会社 鍵共有システム
JPH1022991A (ja) * 1996-06-28 1998-01-23 Hitachi Ltd 同報暗号通信方法および装置
JPH10107832A (ja) 1996-09-25 1998-04-24 Hitachi Software Eng Co Ltd 暗号同報メールシステム
JP2872197B2 (ja) 1997-05-30 1999-03-17 日本電気株式会社 移動通信システム
JP2865654B1 (ja) 1998-02-03 1999-03-08 株式会社高度移動通信セキュリティ技術研究所 鍵更新方法

Also Published As

Publication number Publication date
EP1059762A4 (de) 2005-11-16
EP1059762A1 (de) 2000-12-13
EP1059762B1 (de) 2009-05-06
US6813357B1 (en) 2004-11-02
WO2000039957A1 (fr) 2000-07-06

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Legal Events

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