FR2530053B1 - Procede pour certifier la provenance d'au moins une information enregistree dans une memoire d'un premier dispositif electronique et transmise a un deuxieme dispositif electronique, et systeme pour la mise en oeuvre d'un tel procede - Google Patents
Procede pour certifier la provenance d'au moins une information enregistree dans une memoire d'un premier dispositif electronique et transmise a un deuxieme dispositif electronique, et systeme pour la mise en oeuvre d'un tel procedeInfo
- Publication number
- FR2530053B1 FR2530053B1 FR8212021A FR8212021A FR2530053B1 FR 2530053 B1 FR2530053 B1 FR 2530053B1 FR 8212021 A FR8212021 A FR 8212021A FR 8212021 A FR8212021 A FR 8212021A FR 2530053 B1 FR2530053 B1 FR 2530053B1
- Authority
- FR
- France
- Prior art keywords
- electronic device
- certifying
- implementing
- transmitted
- memory
- 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
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
- G07F7/1016—Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
- G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
- G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
- G06Q20/3674—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes involving authentication
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/409—Device specific authentication in transaction processing
- G06Q20/4097—Device specific authentication in transaction processing using mutual authentication between devices and transaction partners
- G06Q20/40975—Device specific authentication in transaction processing using mutual authentication between devices and transaction partners using encryption therefor
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
- G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
-
- 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
- H04L9/3234—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 additional secure or trusted devices, e.g. TPM, smartcard, USB or software token
-
- 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
- H04L9/3271—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 challenge-response
-
- 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)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Strategic Management (AREA)
- Finance (AREA)
- General Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Storage Device Security (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8212021A FR2530053B1 (fr) | 1982-07-08 | 1982-07-08 | Procede pour certifier la provenance d'au moins une information enregistree dans une memoire d'un premier dispositif electronique et transmise a un deuxieme dispositif electronique, et systeme pour la mise en oeuvre d'un tel procede |
| US06/505,975 US4549075A (en) | 1982-07-08 | 1983-06-20 | Method for certifying the origin of at least one item of information stored in the memory of a first electronic device and transmitted to a second electronic device, and system for carrying out the method |
| DE8383401406T DE3374039D1 (en) | 1982-07-08 | 1983-07-07 | Method to establish the origin of at least one bit of information stored in a memory of a first electronical device and transmitted to a second electronical device |
| EP83401406A EP0100260B1 (fr) | 1982-07-08 | 1983-07-07 | Procédé pour certifier la provenance d'au moins une information enregistrée dans une mémoire d'un premier dispositif électronique et transmise à un deuxième dispositif électronique |
| JP58123569A JPS5962241A (ja) | 1982-07-08 | 1983-07-08 | 情報源確認装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8212021A FR2530053B1 (fr) | 1982-07-08 | 1982-07-08 | Procede pour certifier la provenance d'au moins une information enregistree dans une memoire d'un premier dispositif electronique et transmise a un deuxieme dispositif electronique, et systeme pour la mise en oeuvre d'un tel procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2530053A1 FR2530053A1 (fr) | 1984-01-13 |
| FR2530053B1 true FR2530053B1 (fr) | 1986-04-25 |
Family
ID=9275815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8212021A Expired FR2530053B1 (fr) | 1982-07-08 | 1982-07-08 | Procede pour certifier la provenance d'au moins une information enregistree dans une memoire d'un premier dispositif electronique et transmise a un deuxieme dispositif electronique, et systeme pour la mise en oeuvre d'un tel procede |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4549075A (https=) |
| EP (1) | EP0100260B1 (https=) |
| JP (1) | JPS5962241A (https=) |
| DE (1) | DE3374039D1 (https=) |
| FR (1) | FR2530053B1 (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE36788E (en) * | 1990-09-06 | 2000-07-25 | Visa International Service Association | Funds transfer system |
Families Citing this family (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536880B1 (fr) * | 1982-11-30 | 1987-05-07 | Bull Sa | Microprocesseur concu notamment pour executer les algorithmes de calcul d'un systeme de chiffrement a cle publique |
| FR2566155B1 (fr) * | 1984-06-19 | 1988-01-29 | Cii Honeywell Bull | Procede et systeme pour chiffrer et dechiffrer des informations transmises entre un dispositif emetteur et un dispositif recepteur |
| JPS619052A (ja) * | 1984-06-25 | 1986-01-16 | Toshiba Corp | 通信ネツトワ−クシステム |
| US4866666A (en) * | 1984-10-29 | 1989-09-12 | Francisco Michael H | Method for maintaining data integrity during information transmission by generating indicia representing total number of binary 1's and 0's of the data |
| GB2168831B (en) * | 1984-11-13 | 1988-04-27 | Dowty Information Services Lim | Password-protected data link |
| JPH0691526B2 (ja) * | 1985-03-08 | 1994-11-14 | 株式会社東芝 | 通信システム |
| US4649233A (en) * | 1985-04-11 | 1987-03-10 | International Business Machines Corporation | Method for establishing user authenication with composite session keys among cryptographically communicating nodes |
| JPS6229240A (ja) * | 1985-07-30 | 1987-02-07 | Oki Electric Ind Co Ltd | トランスポンデイングカ−ドによるoa端末管理方法 |
| EP0218176B1 (en) * | 1985-10-07 | 1991-11-13 | Kabushiki Kaisha Toshiba | Portable electronic device |
| US4799061A (en) * | 1985-11-18 | 1989-01-17 | International Business Machines Corporation | Secure component authentication system |
| FR2592510B1 (fr) * | 1985-12-31 | 1988-02-12 | Bull Cp8 | Procede et appareil pour certifier des services obtenus a l'aide d'un support portatif tel qu'une carte a memoire |
| JPH0754536B2 (ja) * | 1986-02-17 | 1995-06-07 | 株式会社日立製作所 | Icカ−ド利用システム |
| US4742215A (en) * | 1986-05-07 | 1988-05-03 | Personal Computer Card Corporation | IC card system |
| EP0246823A3 (en) * | 1986-05-22 | 1989-10-04 | Racal-Guardata Limited | Data communication systems and methods |
| FR2600188A1 (fr) * | 1986-06-16 | 1987-12-18 | Bull Cp8 | Procede d'habilitation d'un milieu exterieur par un objet portatif relie a ce milieu |
| US5020105A (en) * | 1986-06-16 | 1991-05-28 | Applied Information Technologies Corporation | Field initialized authentication system for protective security of electronic information networks |
| FR2600189B1 (fr) * | 1986-06-16 | 1991-02-01 | Bull Cp8 | Procede pour faire authentifier par un milieu exterieur un objet portatif tel qu'une carte a memoire accouplee a ce milieu |
| FR2601476B1 (fr) * | 1986-07-11 | 1988-10-21 | Bull Cp8 | Procede pour authentifier une donnee d'habilitation externe par un objet portatif tel qu'une carte a memoire |
| JPH07104891B2 (ja) * | 1986-08-05 | 1995-11-13 | 沖電気工業株式会社 | 取引処理装置 |
| US4829166A (en) * | 1986-12-01 | 1989-05-09 | Froelich Ronald W | Computerized data-bearing card and reader/writer therefor |
| US4807287A (en) * | 1987-04-06 | 1989-02-21 | Light Signatures, Inc. | Document authentication method |
| US4882473A (en) * | 1987-09-18 | 1989-11-21 | Gtech Corporation | On-line wagering system with programmable game entry cards and operator security cards |
| CA1321649C (en) * | 1988-05-19 | 1993-08-24 | Jeffrey R. Austin | Method and system for authentication |
| JP3102692B2 (ja) * | 1988-05-19 | 2000-10-23 | エヌ・シー・アール・インターナショナル・インコーポレイテッド | カードの真性を証明する方法 |
| US5025373A (en) * | 1988-06-30 | 1991-06-18 | Jml Communications, Inc. | Portable personal-banking system |
| US5016274A (en) * | 1988-11-08 | 1991-05-14 | Silvio Micali | On-line/off-line digital signing |
| US5239166A (en) * | 1989-01-17 | 1993-08-24 | Graves Marcel A | Secure data interchange system erasing a card memory upon an invalid response |
| JP2907850B2 (ja) * | 1989-01-28 | 1999-06-21 | 日本電気株式会社 | 相手認証方式 |
| ES2057264T3 (es) * | 1989-05-30 | 1994-10-16 | Siemens Nixdorf Inf Syst | Procedimiento para la verificacion de un terminal que se comunica con tarjetas de chips. |
| DK279089D0 (da) * | 1989-06-07 | 1989-06-07 | Kommunedata I S | Fremgangsmaade til overfoersel af data, et elektronisk dokument eller lignende, system til udoevelse af fremgangsmaaden samt et kort til brug ved udoevelse af fremgangsmaaden |
| JPH03144823A (ja) * | 1989-10-31 | 1991-06-20 | N T T Data Tsushin Kk | Icカードとホスト装置間の通信制御装置 |
| US5120939A (en) * | 1989-11-09 | 1992-06-09 | At&T Bell Laboratories | Databaseless security system |
| DE4008971A1 (de) * | 1990-03-20 | 1991-09-26 | Siemens Nixdorf Inf Syst | Verfahren zur authentifizierung eines eine datenstation benutzenden anwenders |
| US5623547A (en) * | 1990-04-12 | 1997-04-22 | Jonhig Limited | Value transfer system |
| WO1991017524A1 (en) * | 1990-04-27 | 1991-11-14 | Scandic International Pty. Ltd. | Smart card validation device and method |
| USRE36310E (en) * | 1990-06-07 | 1999-09-21 | Kommunedata I/S | Method of transferring data, between computer systems using electronic cards |
| US5091647A (en) * | 1990-12-24 | 1992-02-25 | Ford Motor Company | Method and apparatus for measuring the thickness of a layer on a substrate |
| FR2671889A1 (fr) * | 1991-01-22 | 1992-07-24 | Pailles Jean Claude | Procede d'echange de droits entre cartes a microprocesseur. |
| US5148479A (en) * | 1991-03-20 | 1992-09-15 | International Business Machines Corp. | Authentication protocols in communication networks |
| SE470001B (sv) * | 1991-09-12 | 1993-10-18 | Televerket | Förfarande för identifiering och kryptonyckelutbyte mellan två kommunicerande apparater för krypterad trafik |
| US5453601A (en) * | 1991-11-15 | 1995-09-26 | Citibank, N.A. | Electronic-monetary system |
| GB9211648D0 (en) * | 1992-06-02 | 1992-07-15 | Racal Datacom Ltd | Data communication system |
| US5310999A (en) * | 1992-07-02 | 1994-05-10 | At&T Bell Laboratories | Secure toll collection system for moving vehicles |
| US5491750A (en) * | 1993-12-30 | 1996-02-13 | International Business Machines Corporation | Method and apparatus for three-party entity authentication and key distribution using message authentication codes |
| US5491749A (en) * | 1993-12-30 | 1996-02-13 | International Business Machines Corporation | Method and apparatus for entity authentication and key distribution secure against off-line adversarial attacks |
| US5799087A (en) * | 1994-04-28 | 1998-08-25 | Citibank, N.A. | Electronic-monetary system |
| US6868408B1 (en) | 1994-04-28 | 2005-03-15 | Citibank, N.A. | Security systems and methods applicable to an electronic monetary system |
| US5539828A (en) * | 1994-05-31 | 1996-07-23 | Intel Corporation | Apparatus and method for providing secured communications |
| US6185546B1 (en) | 1995-10-04 | 2001-02-06 | Intel Corporation | Apparatus and method for providing secured communications |
| US6058478A (en) * | 1994-09-30 | 2000-05-02 | Intel Corporation | Apparatus and method for a vetted field upgrade |
| US5671271A (en) * | 1995-05-25 | 1997-09-23 | Henderson; Daniel A. | Dialer programming system and device with integrated printing process |
| FR2737929B1 (fr) * | 1995-08-17 | 1997-10-24 | Routier Christine France Isabe | Procede de gestion de cles de chiffrement pour systeme de cryptographie symetrique et dispositif generateur de cles de chiffrement de mise en oeuvre du procede |
| US5949881A (en) * | 1995-12-04 | 1999-09-07 | Intel Corporation | Apparatus and method for cryptographic companion imprinting |
| DK116996A (da) * | 1996-10-23 | 1998-04-24 | Dsc Communications As | Fremgangsmåde og system til sikring af, at moduler, som forbindes til et elektronisk apparat, er af en bestemt type, samt m |
| US5828753A (en) | 1996-10-25 | 1998-10-27 | Intel Corporation | Circuit and method for ensuring interconnect security within a multi-chip integrated circuit package |
| US5818939A (en) * | 1996-12-18 | 1998-10-06 | Intel Corporation | Optimized security functionality in an electronic system |
| WO1998040982A1 (en) | 1997-03-12 | 1998-09-17 | Visa International | Secure electronic commerce employing integrated circuit cards |
| JP3864401B2 (ja) * | 1997-04-23 | 2006-12-27 | ソニー株式会社 | 認証システム、電子機器、認証方法、および記録媒体 |
| US5974143A (en) * | 1997-09-30 | 1999-10-26 | Intel Corporation | Virus-resistent mechanism for transaction verification to confirming user |
| WO1999019846A2 (en) * | 1997-10-14 | 1999-04-22 | Visa International Service Association | Personalization of smart cards |
| JPH11250164A (ja) * | 1998-03-03 | 1999-09-17 | Hitachi Ltd | 使用料徴収機能を有する電子マネー処理方法および電子マネー格納装置 |
| FR2782431B1 (fr) * | 1998-08-17 | 2000-09-29 | Gemplus Sca | Procede et dispositif d'authentification a algorithme symetrique |
| DE19841676A1 (de) * | 1998-09-11 | 2000-03-16 | Giesecke & Devrient Gmbh | Zugriffsgeschützter Datenträger |
| JP2000148012A (ja) * | 1998-11-12 | 2000-05-26 | Fuji Xerox Co Ltd | 認証装置および方法 |
| RU2152076C1 (ru) * | 1999-04-26 | 2000-06-27 | Летнев Олег Васильевич | Способ динамической идентификации различного рода объектов и система для его осуществления |
| DE19919909C2 (de) * | 1999-04-30 | 2001-07-19 | Wincor Nixdorf Gmbh & Co Kg | Signierung und Signaturprüfung von Nachrichten |
| US6739504B2 (en) * | 1999-06-23 | 2004-05-25 | Tellabs Denmark A/S | Method and system for ensuring connection of a module to an electronic apparatus |
| US6986057B1 (en) | 2000-08-07 | 2006-01-10 | Dallas Semiconductor Corporation | Security device and method |
| FR2814617A1 (fr) * | 2000-09-22 | 2002-03-29 | Laurent Francois Ernest Pele | Procede cryptographique de chiffrement de messages et d'identication de supports homologue |
| FR2814618B1 (fr) * | 2000-09-22 | 2003-02-14 | Laurent Francois Ernest Pele | Procede cryptographique de chiffrement de messages et d'identification de supports homologues |
| FR2819664B1 (fr) * | 2001-03-13 | 2003-02-21 | Laurent Francois Ernest Pele | Procede cryptographique de transfert d'argent electronique entre 2 supports homologues detendant un secret partage |
| DE602005013344D1 (de) | 2005-01-19 | 2009-04-30 | St Microelectronics Srl | Erweiterte sichere Speicherzugriffsmethode und Archtitektur |
| US20080189557A1 (en) * | 2005-01-19 | 2008-08-07 | Stmicroelectronics S.R.I. | Method and architecture for restricting access to a memory device |
| US7128273B2 (en) * | 2005-03-24 | 2006-10-31 | International Business Machines Corporation | Secure credit card adapter |
| JP2010204940A (ja) * | 2009-03-03 | 2010-09-16 | Fujitsu Ltd | リンクアップ状態形成方法、情報処理装置およびリンクアップ状態形成プログラム |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3654604A (en) * | 1970-01-05 | 1972-04-04 | Constellation Science And Tech | Secure communications control system |
| US3798605A (en) * | 1971-06-30 | 1974-03-19 | Ibm | Centralized verification system |
| JPS589981B2 (ja) * | 1978-04-26 | 1983-02-23 | オムロン株式会社 | 利用者識別装置 |
| US4193061A (en) * | 1978-07-11 | 1980-03-11 | Zoltai John T | Electronic authentication system |
| US4320387A (en) * | 1978-12-28 | 1982-03-16 | Powell William S | Information communicating apparatus and method |
| FR2469760A1 (fr) * | 1979-11-09 | 1981-05-22 | Cii Honeywell Bull | Procede et systeme d'identification de personnes demandant l'acces a certains milieux |
| US4295039A (en) * | 1979-12-03 | 1981-10-13 | International Business Machines Corporation | Method and apparatus for achieving secure password verification |
| DE2949351C2 (de) * | 1979-12-07 | 1982-04-15 | The Grey Lab. Establishment, 9490 Vaduz | Verfahren und Vorrichtung zur Erzeugung sowie Kontrolle von Dokumenten sowie dabei verwendetes Dokument |
| US4304990A (en) * | 1979-12-11 | 1981-12-08 | Atalla Technovations | Multilevel security apparatus and method |
-
1982
- 1982-07-08 FR FR8212021A patent/FR2530053B1/fr not_active Expired
-
1983
- 1983-06-20 US US06/505,975 patent/US4549075A/en not_active Expired - Lifetime
- 1983-07-07 DE DE8383401406T patent/DE3374039D1/de not_active Expired
- 1983-07-07 EP EP83401406A patent/EP0100260B1/fr not_active Expired
- 1983-07-08 JP JP58123569A patent/JPS5962241A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE36788E (en) * | 1990-09-06 | 2000-07-25 | Visa International Service Association | Funds transfer system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0100260A1 (fr) | 1984-02-08 |
| FR2530053A1 (fr) | 1984-01-13 |
| DE3374039D1 (en) | 1987-11-12 |
| JPH0418497B2 (https=) | 1992-03-27 |
| EP0100260B1 (fr) | 1987-10-07 |
| US4549075A (en) | 1985-10-22 |
| JPS5962241A (ja) | 1984-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |