DE68925584T2 - Blindunterschriftensysteme mit rückübertragung eines wertes - Google Patents

Blindunterschriftensysteme mit rückübertragung eines wertes

Info

Publication number
DE68925584T2
DE68925584T2 DE68925584T DE68925584T DE68925584T2 DE 68925584 T2 DE68925584 T2 DE 68925584T2 DE 68925584 T DE68925584 T DE 68925584T DE 68925584 T DE68925584 T DE 68925584T DE 68925584 T2 DE68925584 T2 DE 68925584T2
Authority
DE
Germany
Prior art keywords
value
signature
signer
payer
difference
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 - Fee Related
Application number
DE68925584T
Other languages
English (en)
Other versions
DE68925584D1 (de
Inventor
David Chaum
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.)
Ecash Technologies Inc
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 DE68925584D1 publication Critical patent/DE68925584D1/de
Publication of DE68925584T2 publication Critical patent/DE68925584T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/04Payment circuits
    • G06Q20/06Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION 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
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/22Payment schemes or models
    • G06Q20/29Payment schemes or models characterised by micropayments
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F7/00Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08Mechanisms 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
    • G07F7/10Mechanisms 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
    • G07F7/1016Devices or methods for securing the PIN and other transaction-data, e.g. by encryption
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/30Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3006Public 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
    • H04L9/302Public 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3247Cryptographic 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
    • H04L9/3257Cryptographic 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
DE68925584T 1988-10-20 1989-10-18 Blindunterschriftensysteme mit rückübertragung eines wertes Expired - Fee Related DE68925584T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/260,053 US4949380A (en) 1988-10-20 1988-10-20 Returned-value blind signature systems
PCT/US1989/004662 WO1990004892A1 (en) 1988-10-20 1989-10-18 Returned-value blind signature systems

Publications (2)

Publication Number Publication Date
DE68925584D1 DE68925584D1 (de) 1996-03-14
DE68925584T2 true DE68925584T2 (de) 1996-09-19

Family

ID=22987606

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68925584T Expired - Fee Related DE68925584T2 (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)

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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
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
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US5712913A (en) * 1994-02-08 1998-01-27 Digicash Incorporated Limited-traceability systems
US5668878A (en) * 1994-02-28 1997-09-16 Brands; Stefanus Alfonsus Secure cryptographic methods for electronic transfer of information
US5604805A (en) * 1994-02-28 1997-02-18 Brands; Stefanus A. Privacy-protected transfer of electronic information
US5572590A (en) * 1994-04-12 1996-11-05 International Business Machines Corporation Discrimination of malicious changes to digital information using multiple signatures
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
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
EP0809912B1 (de) * 1995-12-18 2001-10-17 Koninklijke Philips Electronics N.V. Röntgenstrahluntersuchungsvorrichtung eine bildaufnahmematrix mit korrektureinheit enthaltend
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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
WO1999026207A1 (en) 1997-11-19 1999-05-27 Rsa Security 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
EP1064611A1 (de) 1998-03-24 2001-01-03 Telcordia Technologies, Inc. Verfahren zum benutzen einer telefonkarte für geschäftliche transaktionen
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
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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
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
US7257581B1 (en) * 2000-08-04 2007-08-14 Guardian Networks, Llc Storage, management and distribution of consumer information
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US9928508B2 (en) * 2000-08-04 2018-03-27 Intellectual Ventures I Llc Single sign-on for access to a central data repository
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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
DE602004006373T2 (de) * 2004-03-02 2008-01-17 France Telecom Verfahren und Vorrichtungen zur Erstellung fairer Blindunterschriften
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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
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US10795858B1 (en) 2014-02-18 2020-10-06 Erich Schmitt Universal abstraction and de-abstraction of a digital data stream
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US11532040B2 (en) 2019-11-12 2022-12-20 Bottomline Technologies Sarl International cash management software using machine learning
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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
WO1990004892A1 (en) 1990-05-03
ATE133822T1 (de) 1996-02-15
JPH04502989A (ja) 1992-05-28
EP0439512B1 (de) 1996-01-31
AU4486689A (en) 1990-05-14
US4949380A (en) 1990-08-14
DE68925584D1 (de) 1996-03-14
EP0439512A1 (de) 1991-08-07
EP0439512A4 (en) 1993-02-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ECASH TECHNOLOGIES, INC., BOTHELL, WASH., US

8339 Ceased/non-payment of the annual fee