DE60210331D1 - Kryptographisches verfahren unter der benutzung öffentlicher schlüssel basierend auf den gruppen der zöpfe - Google Patents

Kryptographisches verfahren unter der benutzung öffentlicher schlüssel basierend auf den gruppen der zöpfe

Info

Publication number
DE60210331D1
DE60210331D1 DE60210331T DE60210331T DE60210331D1 DE 60210331 D1 DE60210331 D1 DE 60210331D1 DE 60210331 T DE60210331 T DE 60210331T DE 60210331 T DE60210331 T DE 60210331T DE 60210331 D1 DE60210331 D1 DE 60210331D1
Authority
DE
Germany
Prior art keywords
groups
covers
cryptographic method
public keys
braid
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
DE60210331T
Other languages
English (en)
Other versions
DE60210331T2 (de
Inventor
Marc Girault
Jean-Francois Misarsky
Patrick Dehornoy
Herve Sibert
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.)
Centre National de la Recherche Scientifique CNRS
Orange SA
Original Assignee
Centre National de la Recherche Scientifique CNRS
France Telecom SA
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 Centre National de la Recherche Scientifique CNRS, France Telecom SA filed Critical Centre National de la Recherche Scientifique CNRS
Publication of DE60210331D1 publication Critical patent/DE60210331D1/de
Application granted granted Critical
Publication of DE60210331T2 publication Critical patent/DE60210331T2/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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • 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
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • 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
    • H04L9/3218—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 using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs
    • H04L9/3221—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 using proof of knowledge, e.g. Fiat-Shamir, GQ, Schnorr, ornon-interactive zero-knowledge proofs interactive zero-knowledge proofs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Physics & Mathematics (AREA)
  • Storage Device Security (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Analogue/Digital Conversion (AREA)
  • Lock And Its Accessories (AREA)
DE60210331T 2001-10-25 2002-10-24 Kryptographisches verfahren unter der benutzung öffentlicher schlüssel basierend auf den gruppen der zöpfe Expired - Lifetime DE60210331T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0113787 2001-10-25
FR0113787A FR2831738B1 (fr) 2001-10-25 2001-10-25 Procede cryptographique a cle publique base sur les groupes de tresses
PCT/FR2002/003665 WO2003036863A1 (fr) 2001-10-25 2002-10-24 Procede cryptographique a cle publique base sur les groupes de tresses

Publications (2)

Publication Number Publication Date
DE60210331D1 true DE60210331D1 (de) 2006-05-18
DE60210331T2 DE60210331T2 (de) 2006-12-28

Family

ID=8868699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60210331T Expired - Lifetime DE60210331T2 (de) 2001-10-25 2002-10-24 Kryptographisches verfahren unter der benutzung öffentlicher schlüssel basierend auf den gruppen der zöpfe

Country Status (9)

Country Link
US (1) US7401226B2 (de)
EP (1) EP1438804B1 (de)
JP (1) JP4166696B2 (de)
KR (1) KR100944290B1 (de)
AT (1) ATE322112T1 (de)
DE (1) DE60210331T2 (de)
ES (1) ES2261770T3 (de)
FR (1) FR2831738B1 (de)
WO (1) WO2003036863A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133523B2 (en) * 2002-12-20 2006-11-07 Pitney Bowes Inc. Method and system for solving the word problem in braid group cryptosystems
CN1545242A (zh) 2003-11-13 2004-11-10 ����ͨѶ�ɷ����޹�˾ 一种基于辫群共轭问题的数字签名方法
US8625784B2 (en) * 2006-12-22 2014-01-07 Samsung Electronics Co., Ltd. Broadcast encryption method and broadcast decryption method thereof
US8284938B2 (en) * 2009-10-23 2012-10-09 Novell, Inc. Techniques for data encryption and decryption
CN103414569B (zh) * 2013-08-21 2016-08-10 王威鉴 一种建立抗攻击的公钥密码的方法
US10367640B2 (en) * 2016-05-04 2019-07-30 Securerf Corporation Shared secret data production system
US20190215148A1 (en) * 2018-01-11 2019-07-11 Shenzhen University Method of establishing anti-attack public key cryptogram
WO2021223090A1 (zh) * 2020-05-06 2021-11-11 深圳大学 建立共享密钥的方法及装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716058B1 (fr) 1994-02-04 1996-04-12 France Telecom Procédé de signature numérique et d'authentification de messages utilisant un logarithme discret.

Also Published As

Publication number Publication date
WO2003036863A1 (fr) 2003-05-01
JP2005506585A (ja) 2005-03-03
FR2831738B1 (fr) 2003-12-19
JP4166696B2 (ja) 2008-10-15
KR100944290B1 (ko) 2010-02-24
ES2261770T3 (es) 2006-11-16
DE60210331T2 (de) 2006-12-28
EP1438804B1 (de) 2006-03-29
ATE322112T1 (de) 2006-04-15
US20040240672A1 (en) 2004-12-02
KR20040053209A (ko) 2004-06-23
EP1438804A1 (de) 2004-07-21
FR2831738A1 (fr) 2003-05-02
US7401226B2 (en) 2008-07-15

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Legal Events

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