ATE164278T1 - Systeme mit unbestreitbarer unterschrift - Google Patents

Systeme mit unbestreitbarer unterschrift

Info

Publication number
ATE164278T1
ATE164278T1 AT88202620T AT88202620T ATE164278T1 AT E164278 T1 ATE164278 T1 AT E164278T1 AT 88202620 T AT88202620 T AT 88202620T AT 88202620 T AT88202620 T AT 88202620T AT E164278 T1 ATE164278 T1 AT E164278T1
Authority
AT
Austria
Prior art keywords
party
checking
signatures
validity
public key
Prior art date
Application number
AT88202620T
Other languages
English (en)
Inventor
David Prof Dr Chaum
Original Assignee
Security Techn Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22410353&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE164278(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Security Techn Corp filed Critical Security Techn Corp
Application granted granted Critical
Publication of ATE164278T1 publication Critical patent/ATE164278T1/de

Links

Classifications

    • 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
    • G06Q20/3678—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 e-cash details, e.g. blinded, divisible or detecting double spending
    • 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
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3825—Use of electronic signatures
    • 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
    • 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
    • H04L9/3257—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 using blind 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
    • H04L9/32—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Computer Security & Cryptography (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Saccharide Compounds (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
AT88202620T 1987-11-23 1988-11-22 Systeme mit unbestreitbarer unterschrift ATE164278T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/123,703 US4947430A (en) 1987-11-23 1987-11-23 Undeniable signature systems

Publications (1)

Publication Number Publication Date
ATE164278T1 true ATE164278T1 (de) 1998-04-15

Family

ID=22410353

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88202620T ATE164278T1 (de) 1987-11-23 1988-11-22 Systeme mit unbestreitbarer unterschrift

Country Status (4)

Country Link
US (1) US4947430A (de)
EP (1) EP0318097B1 (de)
AT (1) ATE164278T1 (de)
DE (1) DE3856149T2 (de)

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US5426700A (en) * 1993-08-23 1995-06-20 Pitney Bowes Inc. Method and apparatus for verification of classes of documents
JP3367675B2 (ja) 1993-12-16 2003-01-14 オープン マーケット インコーポレイテッド オープンネットワーク販売システム及び取引トランザクションのリアルタイムでの承認を行う方法
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US6178509B1 (en) * 1996-06-13 2001-01-23 Intel Corporation Tamper resistant methods and apparatus
US6205550B1 (en) 1996-06-13 2001-03-20 Intel Corporation Tamper resistant methods and apparatus
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US6029150A (en) * 1996-10-04 2000-02-22 Certco, Llc Payment and transactions in electronic commerce system
GB9621274D0 (en) * 1996-10-11 1996-11-27 Certicom Corp Signature protocol for mail delivery
US7222087B1 (en) 1997-09-12 2007-05-22 Amazon.Com, Inc. Method and system for placing a purchase order via a communications network
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US9900305B2 (en) 1998-01-12 2018-02-20 Soverain Ip, Llc Internet server access control and monitoring systems
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RU2157001C2 (ru) 1998-11-25 2000-09-27 Закрытое акционерное общество "Алкорсофт" Способ проведения платежей (варианты)
US6978372B1 (en) * 1999-05-20 2005-12-20 Lucent Technologies Inc. Verification of correct exponentiation or other operations in cryptographic applications
US6529884B1 (en) * 1999-07-14 2003-03-04 Lucent Technologies, Inc. Minimalistic electronic commerce system
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DE10195918T1 (de) 2000-03-17 2003-04-03 Ebay Inc Verfahren und Einrichtung zur Erleichterung von Zahlungstransaktionen in einem auf einer Netzwerk basierenden Transaktionseinrichtung unter Verwendung verschiedener Zahlungsinstrumente
US8706618B2 (en) 2005-09-29 2014-04-22 Ebay Inc. Release of funds based on criteria
US7499875B1 (en) 2000-03-17 2009-03-03 Ebay Inc. Method and apparatus for facilitating online payment transactions in a network-based transaction facility using multiple payment instruments
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US4590470A (en) * 1983-07-11 1986-05-20 At&T Bell Laboratories User authentication system employing encryption functions
FR2549989B1 (fr) * 1983-07-29 1985-09-13 Philips Ind Commerciale Systeme d'authentification entre un lecteur de carte et une carte de paiement echangeant des informations
US4759064A (en) * 1985-10-07 1988-07-19 Chaum David L Blind unanticipated signature systems
US4759063A (en) * 1983-08-22 1988-07-19 Chaum David L Blind signature systems
US4748668A (en) * 1986-07-09 1988-05-31 Yeda Research And Development Company Limited Method, apparatus and article for identification and signature

Also Published As

Publication number Publication date
US4947430A (en) 1990-08-07
EP0318097B1 (de) 1998-03-18
EP0318097A1 (de) 1989-05-31
DE3856149D1 (de) 1998-04-23
DE3856149T2 (de) 1998-07-02

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