WO2009078139A1 - 署名生成装置および署名検証装置 - Google Patents

署名生成装置および署名検証装置 Download PDF

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Publication number
WO2009078139A1
WO2009078139A1 PCT/JP2008/003661 JP2008003661W WO2009078139A1 WO 2009078139 A1 WO2009078139 A1 WO 2009078139A1 JP 2008003661 W JP2008003661 W JP 2008003661W WO 2009078139 A1 WO2009078139 A1 WO 2009078139A1
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WO
WIPO (PCT)
Prior art keywords
signature
key
public key
verification device
signature verification
Prior art date
Application number
PCT/JP2008/003661
Other languages
English (en)
French (fr)
Inventor
Isamu Teranishi
Original Assignee
Nec Corporation
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 Nec Corporation filed Critical Nec Corporation
Publication of WO2009078139A1 publication Critical patent/WO2009078139A1/ja

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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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Collating Specific Patterns (AREA)

Abstract

　少ない計算量でメッセージ認証を効率的に実行し得る認証システムを提供する。この認証システムでは、署名生成装置は、公開鍵ＰＫｓを署名検証装置に提供するとともに、秘密鍵ＳＫｖを用いて共通公開鍵ｇに群演算を施すことによって生成された公開鍵ＰＫｖを署名検証装置から取得する通信部を有する。共有鍵生成部は、公開鍵ＰＫｖに対し秘密鍵ＳＫｓを用いて群演算を施して共有鍵Ｋｓｖを生成する。署名生成部は、共有鍵Ｋｓｖを用いてメッセージＭｇから認証子σを生成して当該認証子σを署名データとする。
PCT/JP2008/003661 2007-12-14 2008-12-09 署名生成装置および署名検証装置 WO2009078139A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007322834 2007-12-14
JP2007-322834 2007-12-14

Publications (1)

Publication Number Publication Date
WO2009078139A1 true WO2009078139A1 (ja) 2009-06-25

Family

ID=40795262

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003661 WO2009078139A1 (ja) 2007-12-14 2008-12-09 署名生成装置および署名検証装置

Country Status (1)

Country Link
WO (1) WO2009078139A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104011781A (zh) * 2011-08-29 2014-08-27 索尼公司 信息处理设备、信息处理方法以及程序
CN110291754A (zh) * 2017-03-01 2019-09-27 苹果公司 使用移动设备的系统访问
CN111835508A (zh) * 2019-04-23 2020-10-27 深圳市汇顶科技股份有限公司 一种密钥分配部署方法和系统
CN113779606A (zh) * 2021-09-15 2021-12-10 杭州溪塔科技有限公司 一种降低隐私泄露风险的信息校验方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001313634A (ja) * 2000-03-17 2001-11-09 Lucent Technol Inc 通信方法
WO2006077700A1 (ja) * 2005-01-21 2006-07-27 Nec Corporation グループ署名方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001313634A (ja) * 2000-03-17 2001-11-09 Lucent Technol Inc 通信方法
WO2006077700A1 (ja) * 2005-01-21 2006-07-27 Nec Corporation グループ署名方式

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"2007 Nen Symposium on Cryptography and Information Security", vol. 3C4, 23 January 2007, article ISAMU TERANISHI ET AL.: "Kyo Gizo Fukanosei o Mitasu Shomei Hoshiki o Tsukuru Ippanteki Henkan Hoho", pages: 1 - 6 *
"Computer Security Symposium 2007 Ronbunshu", vol. 2007, 31 October 2007, article YASUHARU SUGANO ET AL.: "Kyo Sonzaiteki Gizo Fukano na Shomei Scheme no Ippanteki Koseiho", pages: 289 - 293 *
QIONG HUANG ET AL.: "Generic Transformation to Strongly Unforgeabls Signatures", LNCS, vol. 4521, 8 August 2007 (2007-08-08), pages 1 - 17 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104011781A (zh) * 2011-08-29 2014-08-27 索尼公司 信息处理设备、信息处理方法以及程序
CN110291754A (zh) * 2017-03-01 2019-09-27 苹果公司 使用移动设备的系统访问
CN110291754B (zh) * 2017-03-01 2022-02-15 苹果公司 使用移动设备的系统访问
US11888594B2 (en) 2017-03-01 2024-01-30 Apple Inc. System access using a mobile device
CN111835508A (zh) * 2019-04-23 2020-10-27 深圳市汇顶科技股份有限公司 一种密钥分配部署方法和系统
CN111835508B (zh) * 2019-04-23 2023-02-28 深圳市汇顶科技股份有限公司 一种密钥分配部署方法和系统
CN113779606A (zh) * 2021-09-15 2021-12-10 杭州溪塔科技有限公司 一种降低隐私泄露风险的信息校验方法及系统

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