WO2009060826A2 - 暗号鍵生成方法 - Google Patents

暗号鍵生成方法 Download PDF

Info

Publication number
WO2009060826A2
WO2009060826A2 PCT/JP2008/070037 JP2008070037W WO2009060826A2 WO 2009060826 A2 WO2009060826 A2 WO 2009060826A2 JP 2008070037 W JP2008070037 W JP 2008070037W WO 2009060826 A2 WO2009060826 A2 WO 2009060826A2
Authority
WO
WIPO (PCT)
Prior art keywords
encryption key
generating encryption
generating
key
pct
Prior art date
Application number
PCT/JP2008/070037
Other languages
English (en)
French (fr)
Inventor
Yoichi Hata
Toshiaki Kakii
Yasuhito Fujita
Yoshimitsu Goto
Hitoshi Kiya
Kiyoshi Nishikawa
Masaaki Fujiyoshi
Shoko Imaizumi
Original Assignee
Sumitomo Electric Industries, Ltd.
Tokyo Metropolitan University
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 JP2008108115A external-priority patent/JP2009135871A/ja
Application filed by Sumitomo Electric Industries, Ltd., Tokyo Metropolitan University filed Critical Sumitomo Electric Industries, Ltd.
Priority to US12/522,642 priority Critical patent/US20100020966A1/en
Publication of WO2009060826A2 publication Critical patent/WO2009060826A2/ja
Priority to US13/283,877 priority patent/US8634553B2/en

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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • 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
    • H04L9/0836—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 using tree structure or hierarchical structure

Abstract

pct-art17.2a
PCT/JP2008/070037 2007-11-05 2008-11-04 暗号鍵生成方法 WO2009060826A2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/522,642 US20100020966A1 (en) 2007-11-05 2008-11-04 Method for generating encryption key
US13/283,877 US8634553B2 (en) 2007-11-05 2011-10-28 Encryption key generation device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007287756 2007-11-05
JP2007-287756 2007-11-05
JP2008-108115 2008-04-17
JP2008108115A JP2009135871A (ja) 2007-11-05 2008-04-17 暗号鍵生成方法

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/522,642 A-371-Of-International US20100020966A1 (en) 2007-11-05 2008-11-04 Method for generating encryption key
PCT/JP2009/058400 Continuation-In-Part WO2010125654A1 (ja) 2007-11-05 2009-04-28 暗号鍵生成装置

Publications (1)

Publication Number Publication Date
WO2009060826A2 true WO2009060826A2 (ja) 2009-05-14

Family

ID=40626312

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/070037 WO2009060826A2 (ja) 2007-11-05 2008-11-04 暗号鍵生成方法

Country Status (1)

Country Link
WO (1) WO2009060826A2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115134475A (zh) * 2022-08-31 2022-09-30 智联信通科技股份有限公司 一种衡器鉴重智能管理系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115134475A (zh) * 2022-08-31 2022-09-30 智联信通科技股份有限公司 一种衡器鉴重智能管理系统
CN115134475B (zh) * 2022-08-31 2022-11-08 智联信通科技股份有限公司 一种衡器鉴重智能管理系统

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