ATE420502T1 - Kryptographisches verfahren und einrichtungen zur ermöglichung von berechnungen während transaktionen - Google Patents
Kryptographisches verfahren und einrichtungen zur ermöglichung von berechnungen während transaktionenInfo
- Publication number
- ATE420502T1 ATE420502T1 AT03750783T AT03750783T ATE420502T1 AT E420502 T1 ATE420502 T1 AT E420502T1 AT 03750783 T AT03750783 T AT 03750783T AT 03750783 T AT03750783 T AT 03750783T AT E420502 T1 ATE420502 T1 AT E420502T1
- Authority
- AT
- Austria
- Prior art keywords
- proof
- cryptographic method
- entity
- devices
- exponent
- Prior art date
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
-
- 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
- H04L9/3006—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters
- H04L9/302—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy underlying computational problems or public-key parameters involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
-
- 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
- H04L9/32—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Storage Device Security (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Mobile Radio Communication Systems (AREA)
- Multi Processors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0208474A FR2842052B1 (fr) | 2002-07-05 | 2002-07-05 | Procede et dispositifs cryptographiques permettant d'alleger les calculs au cours de transactions |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE420502T1 true ATE420502T1 (de) | 2009-01-15 |
Family
ID=29725211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03750783T ATE420502T1 (de) | 2002-07-05 | 2003-06-27 | Kryptographisches verfahren und einrichtungen zur ermöglichung von berechnungen während transaktionen |
Country Status (13)
Country | Link |
---|---|
US (1) | US7760884B2 (de) |
EP (1) | EP1520370B1 (de) |
JP (1) | JP4494965B2 (de) |
KR (1) | KR100984562B1 (de) |
CN (1) | CN1666458B (de) |
AT (1) | ATE420502T1 (de) |
AU (1) | AU2003269005B2 (de) |
DE (1) | DE60325732D1 (de) |
ES (1) | ES2320752T3 (de) |
FR (1) | FR2842052B1 (de) |
MX (1) | MXPA04012758A (de) |
WO (1) | WO2004006497A1 (de) |
ZA (1) | ZA200409854B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2007010388A (es) | 2005-02-25 | 2007-10-18 | Qualcomm Inc | Firmas digitales basadas en clave publica pequena para autenticacion. |
US7853018B2 (en) | 2005-11-10 | 2010-12-14 | Atallah Mikhail J | Method and apparatus for hiding a private key |
US20080013721A1 (en) * | 2005-11-30 | 2008-01-17 | Jing-Jang Hwang | Asymmetric cryptography with discretionary private key |
DE102014101936A1 (de) * | 2014-02-17 | 2015-08-20 | Infineon Technologies Ag | Verfahren zum Permutieren von Datenelementen und Permutiervorrichtung |
EP3334083A1 (de) * | 2016-12-08 | 2018-06-13 | Gemalto SA | Verfahren fuer mit homomorpher verschluesselung geschuetzter rsa-signatur oder entschluesselung |
US10355859B2 (en) * | 2017-03-27 | 2019-07-16 | Certicom Corp. | Method and system for selecting a secure prime for finite field diffie-hellman |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0383985A1 (de) * | 1989-02-24 | 1990-08-29 | Claus Peter Prof. Dr. Schnorr | Verfahren zur Identifikation von Teilnehmern sowie zur Generierung und Verifikation von elektronischen Unterschriften in einem Datenaustauschsystem |
FR2716058B1 (fr) | 1994-02-04 | 1996-04-12 | France Telecom | Procédé de signature numérique et d'authentification de messages utilisant un logarithme discret. |
FR2718311A1 (fr) * | 1994-03-30 | 1995-10-06 | Trt Telecom Radio Electr | Dispositif de mise en Óoeuvre d'un système de signature de message et carte à puce comportant un tel dispositif. |
FR2752122B1 (fr) | 1994-07-28 | 1998-11-27 | France Telecom | Procede d'authentification a nombre reduit de bits transmis |
FR2739469B1 (fr) * | 1995-10-03 | 1997-12-26 | Gemplus Card Int | Procede de cryptographie a cle publique base sur le logarithme discret |
FR2747257B1 (fr) * | 1996-04-09 | 1998-09-11 | Gilbert Henri | Procede d'identification et/ou de signature |
FR2763451B1 (fr) * | 1997-05-13 | 1999-06-18 | France Telecom | Procede d'identification a cle publique utilisant deux fonctions de hachage |
JP3613936B2 (ja) * | 1997-07-07 | 2005-01-26 | 富士ゼロックス株式会社 | アクセス資格認証装置 |
US6307936B1 (en) * | 1997-09-16 | 2001-10-23 | Safenet, Inc. | Cryptographic key management scheme |
US6411715B1 (en) * | 1997-11-10 | 2002-06-25 | Rsa Security, Inc. | Methods and apparatus for verifying the cryptographic security of a selected private and public key pair without knowing the private key |
CA2316227C (en) * | 1998-01-02 | 2009-08-11 | Cryptography Research, Inc. | Leak-resistant cryptographic method and apparatus |
US6788788B1 (en) * | 1998-09-16 | 2004-09-07 | Murata Kikai Kabushiki Kaisha | Cryptographic communication method, encryption method, and cryptographic communication system |
US6578144B1 (en) * | 1999-03-23 | 2003-06-10 | International Business Machines Corporation | Secure hash-and-sign signatures |
FR2792142B1 (fr) | 1999-04-08 | 2001-06-01 | France Telecom | Procede d'authentification et de signature de message utilisant des engagements de taille reduite |
ATE518327T1 (de) * | 1999-10-01 | 2011-08-15 | Phentam Dire Nv Llc | Verfahren, system und vorrichtung zum beweis der authentizität einer einheit oder der integrität einer nachricht |
JP2001117823A (ja) * | 1999-10-15 | 2001-04-27 | Fuji Xerox Co Ltd | アクセス資格認証機能付きデータ記憶装置 |
FR2809894B1 (fr) | 2000-05-31 | 2002-10-25 | France Telecom | Procede de cryptographie, microcircuit pour carte a puce et cartes a puce incluant un tel microcircuit |
US20020041683A1 (en) * | 2000-09-29 | 2002-04-11 | Hopkins Dale W. | Method for selecting optimal number of prime factors of a modulus for use in a cryptographic system |
US20030059041A1 (en) * | 2001-06-26 | 2003-03-27 | Mackenzie Philip D. | Methods and apparatus for two-party generation of DSA signatures |
US7165181B2 (en) * | 2002-11-27 | 2007-01-16 | Intel Corporation | System and method for establishing trust without revealing identity |
JP2004226674A (ja) * | 2003-01-23 | 2004-08-12 | Renesas Technology Corp | 情報処理方法 |
-
2002
- 2002-07-05 FR FR0208474A patent/FR2842052B1/fr not_active Expired - Fee Related
-
2003
- 2003-06-27 EP EP03750783A patent/EP1520370B1/de not_active Expired - Lifetime
- 2003-06-27 KR KR1020057000218A patent/KR100984562B1/ko active IP Right Grant
- 2003-06-27 MX MXPA04012758A patent/MXPA04012758A/es active IP Right Grant
- 2003-06-27 AT AT03750783T patent/ATE420502T1/de not_active IP Right Cessation
- 2003-06-27 US US10/519,698 patent/US7760884B2/en not_active Expired - Fee Related
- 2003-06-27 ZA ZA200409854A patent/ZA200409854B/en unknown
- 2003-06-27 AU AU2003269005A patent/AU2003269005B2/en not_active Ceased
- 2003-06-27 CN CN038158698A patent/CN1666458B/zh not_active Expired - Fee Related
- 2003-06-27 ES ES03750783T patent/ES2320752T3/es not_active Expired - Lifetime
- 2003-06-27 WO PCT/FR2003/002000 patent/WO2004006497A1/fr active Application Filing
- 2003-06-27 JP JP2004518844A patent/JP4494965B2/ja not_active Expired - Fee Related
- 2003-06-27 DE DE60325732T patent/DE60325732D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1666458A (zh) | 2005-09-07 |
ES2320752T3 (es) | 2009-05-28 |
AU2003269005A1 (en) | 2004-01-23 |
EP1520370A1 (de) | 2005-04-06 |
DE60325732D1 (de) | 2009-02-26 |
KR100984562B1 (ko) | 2010-10-01 |
US7760884B2 (en) | 2010-07-20 |
FR2842052B1 (fr) | 2004-09-24 |
US20050213769A1 (en) | 2005-09-29 |
WO2004006497A1 (fr) | 2004-01-15 |
EP1520370B1 (de) | 2009-01-07 |
FR2842052A1 (fr) | 2004-01-09 |
JP2005532723A (ja) | 2005-10-27 |
KR20050016988A (ko) | 2005-02-21 |
CN1666458B (zh) | 2011-08-24 |
JP4494965B2 (ja) | 2010-06-30 |
MXPA04012758A (es) | 2005-08-15 |
AU2003269005B2 (en) | 2008-01-10 |
ZA200409854B (en) | 2006-10-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |