JP2005253083A5 - - Google Patents

Download PDF

Info

Publication number
JP2005253083A5
JP2005253083A5 JP2005058204A JP2005058204A JP2005253083A5 JP 2005253083 A5 JP2005253083 A5 JP 2005253083A5 JP 2005058204 A JP2005058204 A JP 2005058204A JP 2005058204 A JP2005058204 A JP 2005058204A JP 2005253083 A5 JP2005253083 A5 JP 2005253083A5
Authority
JP
Japan
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.)
Granted
Application number
JP2005058204A
Other versions
JP4932168B2 (ja
JP2005253083A (ja
Filing date
Publication date
Priority claimed from EP04290558A external-priority patent/EP1571778B1/en
Application filed filed Critical
Publication of JP2005253083A publication Critical patent/JP2005253083A/ja
Publication of JP2005253083A5 publication Critical patent/JP2005253083A5/ja
Application granted granted Critical
Publication of JP4932168B2 publication Critical patent/JP4932168B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2005058204A 2004-03-02 2005-03-02 新しいフェア・ブラインド署名プロセス Expired - Fee Related JP4932168B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04290558A EP1571778B1 (en) 2004-03-02 2004-03-02 Method and apparatuses for generating fair blind signatures
EP04290558.8 2004-03-02

Publications (3)

Publication Number Publication Date
JP2005253083A JP2005253083A (ja) 2005-09-15
JP2005253083A5 true JP2005253083A5 (ja) 2008-04-10
JP4932168B2 JP4932168B2 (ja) 2012-05-16

Family

ID=34746157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005058204A Expired - Fee Related JP4932168B2 (ja) 2004-03-02 2005-03-02 新しいフェア・ブラインド署名プロセス

Country Status (6)

Country Link
US (1) US7584363B2 (ja)
EP (1) EP1571778B1 (ja)
JP (1) JP4932168B2 (ja)
KR (1) KR100718489B1 (ja)
AT (1) ATE362249T1 (ja)
DE (1) DE602004006373T2 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60318073T2 (de) * 2002-07-29 2008-12-11 International Business Machines Corp. Gruppensignaturschema
US7730319B2 (en) * 2004-08-27 2010-06-01 Ntt Docomo, Inc. Provisional signature schemes
JP2007004461A (ja) * 2005-06-23 2007-01-11 Nec Corp サービス提供システム、アウトソーシング業者装置、サービス提供方法およびプログラム
JP4218760B2 (ja) * 2005-07-01 2009-02-04 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 トレーサビリティ検証システム、方法、プログラム
US8874477B2 (en) 2005-10-04 2014-10-28 Steven Mark Hoffberg Multifactorial optimization system and method
US7860244B2 (en) * 2006-12-18 2010-12-28 Sap Ag Secure computation of private values
WO2008113951A2 (fr) * 2007-02-28 2008-09-25 France Telecom Procede d'authentification unique d'un utilisateur aupres de fournisseurs de service
RU2452111C1 (ru) * 2010-11-17 2012-05-27 ЗАО Институт инфокоммуникационных технологий Способ пороговой генерации ключей для системы защиты информации на основе идентификационных данных
US10887088B2 (en) * 2018-03-20 2021-01-05 International Business Machines Corporation Virtualizing a key hierarchy using a partially-oblivious pseudorandom function (P-OPRF)
US10887293B2 (en) 2018-03-20 2021-01-05 International Business Machines Corporation Key identifiers in an obliviousness pseudorandom function (OPRF)-based key management service (KMS)
US10841080B2 (en) * 2018-03-20 2020-11-17 International Business Machines Corporation Oblivious pseudorandom function in a key management system
US11115206B2 (en) 2018-08-23 2021-09-07 International Business Machines Corporation Assymetric structured key recovering using oblivious pseudorandom function
US10924267B2 (en) 2018-08-24 2021-02-16 International Business Machines Corporation Validating keys derived from an oblivious pseudorandom function
FR3091107A1 (fr) * 2018-12-24 2020-06-26 Orange Procédé et système de génération de clés pour un schéma de signatures anonymes

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926480A (en) * 1983-08-22 1990-05-15 David Chaum Card-computer moderated systems
US4759063A (en) 1983-08-22 1988-07-19 Chaum David L Blind signature systems
US4914698A (en) * 1988-03-16 1990-04-03 David Chaum One-show blind signature systems
US4949380A (en) * 1988-10-20 1990-08-14 David Chaum Returned-value blind signature systems
NL9301348A (nl) * 1993-08-02 1995-03-01 Stefanus Alfonsus Brands Elektronisch betalingssysteem.
US5832089A (en) * 1995-06-07 1998-11-03 Sandia Corporation Off-line compatible electronic cash method and system
KR19990053065A (ko) * 1997-12-23 1999-07-15 정선종 이산대수 문제에 근거한 디지탈 다중서명 방법
KR100309560B1 (ko) * 1998-11-23 2001-12-17 오길록 네트워크시스템에서의내용은닉서명방법
JP2000235341A (ja) 1999-02-16 2000-08-29 Nippon Telegr & Teleph Corp <Ntt> 公開検証可能依頼復元ブラインド署名方法、その装置およびプログラム記録媒体
JP3331329B2 (ja) 1999-02-23 2002-10-07 日本電信電話株式会社 公開検証可依頼復元ブラインド署名方法、その装置及びプログラム記録媒体
KR100349418B1 (ko) * 1999-08-10 2002-08-19 학교법인 한국정보통신학원 은닉서명의 남용 방지방법
KR100377352B1 (ko) * 2000-06-01 2003-03-26 이임영 은닉성의 제어가 가능한 전자 서명 방법
KR20020003059A (ko) * 2000-07-01 2002-01-10 배민관 정수 또는 다항식 행열을 이용한 공개키 암호시스템
KR100466827B1 (ko) * 2002-06-14 2005-01-17 이임영 키 복구를 지원하는 신원 위탁 방법

Similar Documents

Publication Publication Date Title
JP2006211873A5 (ja)
DE602005024990D1 (ja)
JP2007023973A5 (ja)
JP2005253083A5 (ja)
JP2007011565A5 (ja)
JP2006305047A5 (ja)
JP2006325535A5 (ja)
IN2005MU01229A (ja)
JP2007037643A5 (ja)
JP2007024023A5 (ja)
JP2006214925A5 (ja)
CN105122969C (ja)
CN300726591S (zh) 冷冰食品制作器
CN300726006S (zh) 鞋底
CN301039959S (zh) 人体反射刮痧导示图
CN300837571S (zh) 运动球拍
CN300752791S (zh) 便携式媒体播放器
CN300741742S (zh) 耳机
CN300729100S (zh) 蒸汽加压煮咖啡机
CN300726699S (zh) 调料瓶套装(d)
CN300726698S (zh) 调料瓶套装(e)
CN300726697S (zh) 调料瓶套装(b)
CN300726696S (zh) 调料瓶套装(c)
CN300726695S (zh) 调料瓶套装(a)
CN300726592S (zh) 碗用具（双壁式4）