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)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Selective Calling Equipment (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)

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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
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
EP0809912B1 (de) * 1995-12-18 2001-10-17 Koninklijke Philips Electronics N.V. Röntgenstrahluntersuchungsvorrichtung eine bildaufnahmematrix mit korrektureinheit enthaltend
NZ333112A (en) * 1996-05-10 1999-01-28 David M Barcelou Automated transaction machine, can dispense two different types of currencies
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
US5960411A (en) * 1997-09-12 1999-09-28 Amazon.Com, Inc. Method and system for placing a purchase order via a communications network
US7222087B1 (en) 1997-09-12 2007-05-22 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
JP2002508547A (ja) 1998-03-24 2002-03-19 テルコーディア テクノロジーズ インコーポレイテッド ビジネストランザクションにテレホンコーリングカードを使用する方法
RU2153191C2 (ru) 1998-09-29 2000-07-20 Закрытое акционерное общество "Алкорсофт" Способ изготовления вслепую цифровой rsa-подписи и устройство для его реализации (варианты)
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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
US6871276B1 (en) * 2000-04-05 2005-03-22 Microsoft Corporation Controlled-content recoverable blinded certificates
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US8527752B2 (en) 2004-06-16 2013-09-03 Dormarke Assets Limited Liability Graduated authentication in an identity management system
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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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US4759063A (en) * 1983-08-22 1988-07-19 Chaum David L Blind signature systems

Also Published As

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

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties