ATE133822T1 - Blindunterschriftensysteme mit rückübertragung eines wertes - Google Patents

Blindunterschriftensysteme mit rückübertragung eines wertes

Info

Publication number
ATE133822T1
ATE133822T1 AT89912051T AT89912051T ATE133822T1 AT E133822 T1 ATE133822 T1 AT E133822T1 AT 89912051 T AT89912051 T AT 89912051T AT 89912051 T AT89912051 T AT 89912051T AT E133822 T1 ATE133822 T1 AT E133822T1
Authority
AT
Austria
Prior art keywords
value
signature
signer
payer
difference
Prior art date
Application number
AT89912051T
Other languages
English (en)
Inventor
David 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
Application filed by Security Techn Corp filed Critical Security Techn Corp
Application granted granted Critical
Publication of ATE133822T1 publication Critical patent/ATE133822T1/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
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • 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
    • G06Q20/22—Payment schemes or models
    • G06Q20/29—Payment schemes or models characterised by micropayments
    • 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
    • H04L9/30—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
    • H04L9/32—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
    • 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)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • Strategic Management (AREA)
  • Accounting & Taxation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Selective Calling Equipment (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Control Of Multiple Motors (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
AT89912051T 1988-10-20 1989-10-18 Blindunterschriftensysteme mit rückübertragung eines wertes ATE133822T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/260,053 US4949380A (en) 1988-10-20 1988-10-20 Returned-value blind signature systems

Publications (1)

Publication Number Publication Date
ATE133822T1 true ATE133822T1 (de) 1996-02-15

Family

ID=22987606

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89912051T ATE133822T1 (de) 1988-10-20 1989-10-18 Blindunterschriftensysteme mit rückübertragung eines wertes

Country Status (7)

Country Link
US (1) US4949380A (de)
EP (1) EP0439512B1 (de)
JP (1) JPH04502989A (de)
AT (1) ATE133822T1 (de)
AU (1) AU4486689A (de)
DE (1) DE68925584T2 (de)
WO (1) WO1990004892A1 (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224162A (en) * 1991-06-14 1993-06-29 Nippon Telegraph And Telephone Corporation Electronic cash system
US5453601A (en) * 1991-11-15 1995-09-26 Citibank, N.A. Electronic-monetary system
US6415271B1 (en) 1993-02-10 2002-07-02 Gm Network Limited Electronic cash eliminating payment risk
US5983207A (en) * 1993-02-10 1999-11-09 Turk; James J. Electronic cash eliminating payment risk
NL9301348A (nl) * 1993-08-02 1995-03-01 Stefanus Alfonsus Brands Elektronisch betalingssysteem.
WO1995016971A1 (en) * 1993-12-16 1995-06-22 Open Market, Inc. Digital active advertising
US5420926A (en) * 1994-01-05 1995-05-30 At&T Corp. Anonymous credit card transactions
US5434919A (en) 1994-01-11 1995-07-18 Chaum; David Compact endorsement signature systems
CA2182596C (en) * 1994-02-04 2004-04-20 James E. Biorge Method and system for allocating and redeeming incentive credits between a portable device and a base device
US5712913A (en) * 1994-02-08 1998-01-27 Digicash Incorporated Limited-traceability systems
US5604805A (en) * 1994-02-28 1997-02-18 Brands; Stefanus A. Privacy-protected transfer of electronic information
US5668878A (en) * 1994-02-28 1997-09-16 Brands; Stefanus Alfonsus Secure cryptographic methods for electronic transfer of information
US5572590A (en) * 1994-04-12 1996-11-05 International Business Machines Corporation Discrimination of malicious changes to digital information using multiple signatures
US6868408B1 (en) 1994-04-28 2005-03-15 Citibank, N.A. Security systems and methods applicable to an electronic monetary system
US5799087A (en) * 1994-04-28 1998-08-25 Citibank, N.A. Electronic-monetary system
US5826241A (en) 1994-09-16 1998-10-20 First Virtual Holdings Incorporated Computerized system for making payments and authenticating transactions over the internet
US5715314A (en) * 1994-10-24 1998-02-03 Open Market, Inc. Network sales system
GB9507885D0 (en) * 1995-04-18 1995-05-31 Hewlett Packard Co Methods and apparatus for authenticating an originator of a message
US5832460A (en) * 1995-06-02 1998-11-03 International Business Machines Corporation Method and system for bill presentation and payment reconciliation
US7272639B1 (en) 1995-06-07 2007-09-18 Soverain Software Llc Internet server access control and monitoring systems
US5794221A (en) 1995-07-07 1998-08-11 Egendorf; Andrew Internet billing method
US5768385A (en) * 1995-08-29 1998-06-16 Microsoft Corporation Untraceable electronic cash
US5638445A (en) * 1995-09-19 1997-06-10 Microsoft Corporation Blind encryption
US5774670A (en) 1995-10-06 1998-06-30 Netscape Communications Corporation Persistent client state in a hypertext transfer protocol based client-server system
US5757917A (en) * 1995-11-01 1998-05-26 First Virtual Holdings Incorporated Computerized payment system for purchasing goods and services on the internet
WO1997023090A2 (en) * 1995-12-18 1997-06-26 Philips Electronics N.V. X-ray examination apparatus including an image sensor matrix with a correction unit
CA2253920A1 (en) * 1996-05-10 1997-12-04 David M. Barcelou Automated transaction machine
US6945457B1 (en) * 1996-05-10 2005-09-20 Transaction Holdings Ltd. L.L.C. Automated transaction machine
US5956400A (en) * 1996-07-19 1999-09-21 Digicash Incorporated Partitioned information storage systems with controlled retrieval
US6029150A (en) * 1996-10-04 2000-02-22 Certco, Llc Payment and transactions in electronic commerce system
GB9709135D0 (en) * 1997-05-02 1997-06-25 Certicom Corp Two way authentication protocol
US7222087B1 (en) 1997-09-12 2007-05-22 Amazon.Com, Inc. Method and system for placing a purchase order via a communications network
US5960411A (en) * 1997-09-12 1999-09-28 Amazon.Com, Inc. Method and system for placing a purchase order via a communications network
AU2085199A (en) 1997-11-19 1999-06-07 Security Dynamics Technologies, Inc. Digital coin tracing using trustee tokens
US9900305B2 (en) 1998-01-12 2018-02-20 Soverain Ip, Llc Internet server access control and monitoring systems
US6108644A (en) * 1998-02-19 2000-08-22 At&T Corp. System and method for electronic transactions
WO1999049404A1 (en) 1998-03-24 1999-09-30 Telcordia Technologies, Inc. A method for using a telephone calling card for business transactions
RU2153191C2 (ru) 1998-09-29 2000-07-20 Закрытое акционерное общество "Алкорсофт" Способ изготовления вслепую цифровой rsa-подписи и устройство для его реализации (варианты)
RU2157001C2 (ru) 1998-11-25 2000-09-27 Закрытое акционерное общество "Алкорсофт" Способ проведения платежей (варианты)
US6959388B1 (en) * 1999-10-25 2005-10-25 At&T Corp. Method for generating many-time restrictive blind signatures
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
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
US6871276B1 (en) * 2000-04-05 2005-03-22 Microsoft Corporation Controlled-content recoverable blinded certificates
US9928508B2 (en) 2000-08-04 2018-03-27 Intellectual Ventures I Llc Single sign-on for access to a central data repository
US8566248B1 (en) 2000-08-04 2013-10-22 Grdn. Net Solutions, Llc Initiation of an information transaction over a network via a wireless device
US7257581B1 (en) * 2000-08-04 2007-08-14 Guardian Networks, Llc Storage, management and distribution of consumer information
EP1205889A1 (de) * 2000-11-10 2002-05-15 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Geld wiedergabe in einem Elektronischen Zahlungssystem
US20020198798A1 (en) * 2001-04-03 2002-12-26 Bottomline Technologies, Inc. Modular business transactions platform
US20020198829A1 (en) * 2001-04-03 2002-12-26 Bottomline Technologies, Inc. Modular business transactions platform
US20030195857A1 (en) * 2002-04-10 2003-10-16 Alessandro Acquisti Communication technique to verify and send information anonymously among many parties
US7793095B2 (en) * 2002-06-06 2010-09-07 Hardt Dick C Distributed hierarchical identity management
US7551737B2 (en) * 2003-03-31 2009-06-23 International Business Machines Corporation Cryptographic keys using random numbers instead of random primes
EP1571778B1 (de) * 2004-03-02 2007-05-09 France Telecom Verfahren und Vorrichtungen zur Erstellung fairer Blindunterschriften
US8504704B2 (en) * 2004-06-16 2013-08-06 Dormarke Assets Limited Liability Company Distributed contact information management
US8527752B2 (en) 2004-06-16 2013-09-03 Dormarke Assets Limited Liability Graduated authentication in an identity management system
US9245266B2 (en) * 2004-06-16 2016-01-26 Callahan Cellular L.L.C. Auditable privacy policies in a distributed hierarchical identity management system
EP2026267A1 (de) * 2007-07-31 2009-02-18 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Ausstellung elektronischer Belege
US9177313B1 (en) 2007-10-18 2015-11-03 Jpmorgan Chase Bank, N.A. System and method for issuing, circulating and trading financial instruments with smart features
US8185476B2 (en) * 2008-01-07 2012-05-22 Microsoft Corporation Digital rights management system protecting consumer privacy
EP2128828A1 (de) * 2008-05-27 2009-12-02 Prof. Bartmann Information Systems GmbH Verfahren und System zur sicheren Zuordnung eines Privilegs
US10148285B1 (en) 2012-07-25 2018-12-04 Erich Schmitt Abstraction and de-abstraction of a digital data stream
US9084218B2 (en) 2013-05-23 2015-07-14 Pitney Bowes Inc. Location-based service provider method and system having a user controlled location privacy mechanism
US10795858B1 (en) 2014-02-18 2020-10-06 Erich Schmitt Universal abstraction and de-abstraction of a digital data stream
US10956894B2 (en) 2014-05-22 2021-03-23 Paypal, Inc. Offline bill splitting system
US10643203B2 (en) 2016-04-12 2020-05-05 Digicash Pty Ltd. Secure transaction controller for value token exchange systems
US11526859B1 (en) 2019-11-12 2022-12-13 Bottomline Technologies, Sarl Cash flow forecasting using a bottoms-up machine learning approach
US11532040B2 (en) 2019-11-12 2022-12-20 Bottomline Technologies Sarl International cash management software using machine learning
US11704671B2 (en) 2020-04-02 2023-07-18 Bottomline Technologies Limited Financial messaging transformation-as-a-service

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458109A (en) * 1982-02-05 1984-07-03 Siemens Corporation Method and apparatus providing registered mail features in an electronic communication system
US4759063A (en) * 1983-08-22 1988-07-19 Chaum David L Blind signature systems
US4759064A (en) * 1985-10-07 1988-07-19 Chaum David L Blind unanticipated signature systems

Also Published As

Publication number Publication date
US4949380A (en) 1990-08-14
DE68925584D1 (de) 1996-03-14
JPH04502989A (ja) 1992-05-28
AU4486689A (en) 1990-05-14
EP0439512B1 (de) 1996-01-31
EP0439512A4 (en) 1993-02-24
WO1990004892A1 (en) 1990-05-03
DE68925584T2 (de) 1996-09-19
EP0439512A1 (de) 1991-08-07

Similar Documents

Publication Publication Date Title
ATE133822T1 (de) Blindunterschriftensysteme mit rückübertragung eines wertes
US3950015A (en) Negotiable instrument
Chaum Blind Signature System.
HK1045741A1 (zh) 整合包括交易文件的生成、处理及跟踪等交易操作的系统和方法
MXPA05004840A (es) Sistemas y metodos para producir creditos documentarios y conformar documentos de embarque.
CA2182173A1 (en) Efficient Electronic Money
ES2046156T3 (es) Sistema monetario electronico.
WO2001046918A3 (en) Method and system for secure authenticated payment on a computer network
MXPA02002375A (es) Metodo y sistema para efectuar compras a traves de una red de computadoras.
WO2001079966A3 (en) A system and method for using loyalty points
WO2001071681A3 (en) Internet based single entry field electronic payment interface
AU3560989A (en) One-show blind signature systems
Lakonishok et al. Weekend Effects on Stock Returns: A Reply.
US1611383A (en) Traveler's check
JPS57189269A (en) Processing system for settlement of acount
Neagle Mexico: Note On Projected 1988 Public Deficit
Neagle Argentina: Report On Tax Evasion, Dollar Holdings, Flight Capital
Staff Foreign Currency Reserves Remain At Relatively Low US $17.2 Billion
Downing Credit Unions, receivership and DEPCO
Navarro Commercial Banks' Non-performing Loans, June 1992 (s/s)
JPS5312397A (en) Currency transaction device
Neagle Mexico: $2 Billion World Bank Loan Agreement Signed
WO2000067411A3 (en) Payment vehicle wherein transactions are anonymous since th cardholder name is fictious
Ranieri Financial Consortia Post Big Profits
Neagle Brazil: Foreign Companies No Longer Required To Deposit Money In Central Bank Before Repatriation

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties