DE69920875D1 - Vorrichtung und Verfahren zum Berechnen einer digitalen Unterschrift - Google Patents
Vorrichtung und Verfahren zum Berechnen einer digitalen UnterschriftInfo
- Publication number
- DE69920875D1 DE69920875D1 DE69920875T DE69920875T DE69920875D1 DE 69920875 D1 DE69920875 D1 DE 69920875D1 DE 69920875 T DE69920875 T DE 69920875T DE 69920875 T DE69920875 T DE 69920875T DE 69920875 D1 DE69920875 D1 DE 69920875D1
- Authority
- DE
- Germany
- Prior art keywords
- calculating
- digital signature
- signature
- digital
- 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
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
- H04L9/32—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
-
- 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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3093—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving Lattices or polynomial equations, e.g. NTRU scheme
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99401048A EP1049289B1 (de) | 1999-04-29 | 1999-04-29 | Vorrichtung und Verfahren zum Berechnen einer digitalen Unterschrift |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69920875D1 true DE69920875D1 (de) | 2004-11-11 |
DE69920875T2 DE69920875T2 (de) | 2005-10-27 |
Family
ID=8241961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69920875T Expired - Lifetime DE69920875T2 (de) | 1999-04-29 | 1999-04-29 | Vorrichtung und Verfahren zum Berechnen einer digitalen Unterschrift |
Country Status (12)
Country | Link |
---|---|
US (1) | US7100051B1 (de) |
EP (1) | EP1049289B1 (de) |
JP (2) | JP4183387B2 (de) |
CN (1) | CN1285191C (de) |
AU (1) | AU774346B2 (de) |
BR (1) | BRPI0006085B1 (de) |
DE (1) | DE69920875T2 (de) |
DK (1) | DK1049289T3 (de) |
ES (1) | ES2230814T3 (de) |
HK (1) | HK1039004B (de) |
IL (1) | IL135647A (de) |
WO (1) | WO2000067423A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2810139B1 (fr) * | 2000-06-08 | 2002-08-23 | Bull Cp8 | Procede de securisation de la phase de pre-initialisation d'un systeme embarque a puce electronique, notamment d'une carte a puce, et systeme embarque mettant en oeuvre le procede |
WO2002084590A1 (en) * | 2001-04-11 | 2002-10-24 | Applied Minds, Inc. | Knowledge web |
US8069175B2 (en) | 2002-04-10 | 2011-11-29 | Google Inc. | Delegating authority to evaluate content |
US7844610B2 (en) * | 2003-12-12 | 2010-11-30 | Google Inc. | Delegated authority evaluation system |
US20030196094A1 (en) * | 2002-04-10 | 2003-10-16 | Hillis W. Daniel | Method and apparatus for authenticating the content of a distributed database |
US20030195834A1 (en) * | 2002-04-10 | 2003-10-16 | Hillis W. Daniel | Automated online purchasing system |
US7600118B2 (en) * | 2002-09-27 | 2009-10-06 | Intel Corporation | Method and apparatus for augmenting authentication in a cryptographic system |
US8012025B2 (en) * | 2002-12-13 | 2011-09-06 | Applied Minds, Llc | Video game controller hub with control input reduction and combination schemes |
US7765206B2 (en) | 2002-12-13 | 2010-07-27 | Metaweb Technologies, Inc. | Meta-Web |
US20050131918A1 (en) * | 2003-12-12 | 2005-06-16 | W. Daniel Hillis | Personalized profile for evaluating content |
US7961876B2 (en) * | 2005-01-11 | 2011-06-14 | Jintai Ding | Method to produce new multivariate public key cryptosystems |
CN1870499B (zh) * | 2005-01-11 | 2012-01-04 | 丁津泰 | 产生新的多变量公钥密码系统的方法 |
WO2007057610A1 (fr) * | 2005-11-18 | 2007-05-24 | France Telecom | Systeme et procede cryptographique d'authentification ou de signature |
FR2916317B1 (fr) * | 2007-05-15 | 2009-08-07 | Sagem Defense Securite | Protection d'execution d'un calcul cryptographique |
CN101321059B (zh) * | 2007-06-07 | 2011-02-16 | 管海明 | 一种用于编码和译码数字消息的方法和系统 |
FR2918525A1 (fr) | 2007-07-06 | 2009-01-09 | France Telecom | Procede asymetrique de chiffrement ou de verification de signature. |
CN101227286B (zh) * | 2008-01-31 | 2010-04-14 | 北京飞天诚信科技有限公司 | 一种生成消息认证码的方法 |
WO2011033642A1 (ja) * | 2009-09-17 | 2011-03-24 | 株式会社 東芝 | 署名生成装置及び署名検証装置 |
JP2011107528A (ja) | 2009-11-19 | 2011-06-02 | Sony Corp | 情報処理装置、鍵生成装置、署名検証装置、情報処理方法、署名生成方法、及びプログラム |
IL205803A0 (en) * | 2010-05-16 | 2010-12-30 | Yaron Sella | Collision-based signature scheme |
IL206139A0 (en) | 2010-06-02 | 2010-12-30 | Yaron Sella | Efficient multivariate signature generation |
IL207918A0 (en) | 2010-09-01 | 2011-01-31 | Aviad Kipnis | Attack-resistant multivariate signature scheme |
JP5790287B2 (ja) * | 2011-08-12 | 2015-10-07 | ソニー株式会社 | 情報処理装置、情報処理方法、プログラム、及び記録媒体 |
WO2015004065A1 (en) * | 2013-07-12 | 2015-01-15 | Koninklijke Philips N.V. | Electronic signature system |
CN103457726B (zh) * | 2013-08-26 | 2016-12-28 | 华南理工大学 | 基于矩阵的多变量公钥加密方法 |
CN103780383B (zh) * | 2014-01-13 | 2017-05-31 | 华南理工大学 | 一种基于超球面的多变量公钥签名/验证系统及方法 |
CN104009848B (zh) * | 2014-05-26 | 2017-09-29 | 华南理工大学 | 一种混合型的多变量数字签名系统及方法 |
CN105245343B (zh) * | 2015-09-22 | 2018-09-14 | 华南理工大学 | 一种基于多变量密码技术的在线离线签名系统及方法 |
JP7322763B2 (ja) | 2020-03-13 | 2023-08-08 | 日本電信電話株式会社 | 鍵生成装置、鍵生成方法及びプログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ240019A (en) * | 1991-09-30 | 1996-04-26 | Peter John Smith | Public key encrypted communication with non-multiplicative cipher |
US5375170A (en) | 1992-11-13 | 1994-12-20 | Yeda Research & Development Co., Ltd. | Efficient signature scheme based on birational permutations |
US5263085A (en) | 1992-11-13 | 1993-11-16 | Yeda Research & Development Co. Ltd. | Fast signature scheme based on sequentially linearized equations |
FR2737370B1 (fr) * | 1995-07-27 | 1997-08-22 | Bull Cp8 | Procede de communication cryptographique |
FR2744309B1 (fr) * | 1996-01-26 | 1998-03-06 | Bull Cp8 | Procede de communicatin cryptographique asymetrique, et objet portatif associe |
US6076163A (en) * | 1997-10-20 | 2000-06-13 | Rsa Security Inc. | Secure user identification based on constrained polynomials |
-
1999
- 1999-04-29 DE DE69920875T patent/DE69920875T2/de not_active Expired - Lifetime
- 1999-04-29 EP EP99401048A patent/EP1049289B1/de not_active Expired - Lifetime
- 1999-04-29 DK DK99401048T patent/DK1049289T3/da active
- 1999-04-29 ES ES99401048T patent/ES2230814T3/es not_active Expired - Lifetime
-
2000
- 2000-04-13 IL IL135647A patent/IL135647A/en not_active IP Right Cessation
- 2000-04-19 US US09/552,115 patent/US7100051B1/en not_active Expired - Lifetime
- 2000-04-28 WO PCT/IB2000/000692 patent/WO2000067423A1/en active IP Right Grant
- 2000-04-28 CN CNB008010382A patent/CN1285191C/zh not_active Expired - Lifetime
- 2000-04-28 BR BRPI0006085A patent/BRPI0006085B1/pt active IP Right Grant
- 2000-04-28 JP JP2000616162A patent/JP4183387B2/ja not_active Expired - Lifetime
- 2000-04-28 AU AU46028/00A patent/AU774346B2/en not_active Expired
-
2002
- 2002-01-22 HK HK02100489.6A patent/HK1039004B/zh not_active IP Right Cessation
-
2005
- 2005-04-12 JP JP2005114430A patent/JP2005253107A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US7100051B1 (en) | 2006-08-29 |
EP1049289B1 (de) | 2004-10-06 |
HK1039004A1 (en) | 2002-04-04 |
IL135647A (en) | 2010-11-30 |
WO2000067423A1 (en) | 2000-11-09 |
CN1314040A (zh) | 2001-09-19 |
AU4602800A (en) | 2000-11-17 |
CN1285191C (zh) | 2006-11-15 |
AU774346B2 (en) | 2004-06-24 |
JP2002543478A (ja) | 2002-12-17 |
JP2005253107A (ja) | 2005-09-15 |
BR0006085A (pt) | 2001-03-20 |
ES2230814T3 (es) | 2005-05-01 |
EP1049289A1 (de) | 2000-11-02 |
DK1049289T3 (da) | 2005-02-14 |
IL135647A0 (en) | 2001-05-20 |
HK1039004B (zh) | 2007-05-04 |
JP4183387B2 (ja) | 2008-11-19 |
DE69920875T2 (de) | 2005-10-27 |
BRPI0006085B1 (pt) | 2016-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CP8 TECHNOLOGIES, LOUVECIENNES, FR Owner name: NDS LTD., WEST DRAYTON, MIDDLESEX, GB |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: GRAF VON STOSCH PATENTANWALTSGESELLSCHAFT MBH, 805 |