DE602005012580D1 - Generierungs- und Verifizierungsverfahren durch Benutzung von Time lock puzzle - Google Patents

Generierungs- und Verifizierungsverfahren durch Benutzung von Time lock puzzle

Info

Publication number
DE602005012580D1
DE602005012580D1 DE602005012580T DE602005012580T DE602005012580D1 DE 602005012580 D1 DE602005012580 D1 DE 602005012580D1 DE 602005012580 T DE602005012580 T DE 602005012580T DE 602005012580 T DE602005012580 T DE 602005012580T DE 602005012580 D1 DE602005012580 D1 DE 602005012580D1
Authority
DE
Germany
Prior art keywords
asymmetric
value
computationally
hash function
methods
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.)
Active
Application number
DE602005012580T
Other languages
English (en)
Inventor
Jonathan Roshan Tuliani
Peter Landrock
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.)
Cryptomathic Ltd
Original Assignee
Cryptomathic Ltd
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 Cryptomathic Ltd filed Critical Cryptomathic Ltd
Publication of DE602005012580D1 publication Critical patent/DE602005012580D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H04L9/3236—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 cryptographic hash functions
    • 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
    • H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation
    • 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)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Electrotherapy Devices (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE602005012580T 2004-05-26 2005-02-04 Generierungs- und Verifizierungsverfahren durch Benutzung von Time lock puzzle Active DE602005012580D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0411777.6A GB0411777D0 (en) 2004-05-26 2004-05-26 Computationally asymmetric cryptographic systems
PCT/GB2005/050011 WO2005117335A1 (en) 2004-05-26 2005-02-04 Computationally asymmetric cryptographic systems

Publications (1)

Publication Number Publication Date
DE602005012580D1 true DE602005012580D1 (de) 2009-03-19

Family

ID=32671113

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005012580T Active DE602005012580D1 (de) 2004-05-26 2005-02-04 Generierungs- und Verifizierungsverfahren durch Benutzung von Time lock puzzle

Country Status (9)

Country Link
US (1) US8358778B2 (de)
EP (1) EP1751913B1 (de)
AT (1) ATE422125T1 (de)
AU (1) AU2005330565B8 (de)
DE (1) DE602005012580D1 (de)
GB (1) GB0411777D0 (de)
NO (1) NO335956B1 (de)
NZ (1) NZ550786A (de)
WO (1) WO2005117335A1 (de)

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CN114746913A (zh) 2019-10-02 2022-07-12 第一资本服务有限责任公司 使用非接触式传统磁条数据的客户端设备认证
US11615395B2 (en) 2019-12-23 2023-03-28 Capital One Services, Llc Authentication for third party digital wallet provisioning
US10885410B1 (en) 2019-12-23 2021-01-05 Capital One Services, Llc Generating barcodes utilizing cryptographic techniques
US10657754B1 (en) 2019-12-23 2020-05-19 Capital One Services, Llc Contactless card and personal identification system
US11651361B2 (en) 2019-12-23 2023-05-16 Capital One Services, Llc Secure authentication based on passport data stored in a contactless card
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US10862540B1 (en) 2019-12-23 2020-12-08 Capital One Services, Llc Method for mapping NFC field strength and location on mobile devices
US10733283B1 (en) 2019-12-23 2020-08-04 Capital One Services, Llc Secure password generation and management using NFC and contactless smart cards
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Also Published As

Publication number Publication date
US20080285746A1 (en) 2008-11-20
GB0411777D0 (en) 2004-06-30
ATE422125T1 (de) 2009-02-15
US8358778B2 (en) 2013-01-22
NZ550786A (en) 2009-02-28
AU2005330565B2 (en) 2009-06-11
WO2005117335A1 (en) 2005-12-08
AU2005330565B8 (en) 2009-11-19
NO20065938L (no) 2006-12-20
EP1751913B1 (de) 2009-01-28
EP1751913A1 (de) 2007-02-14
AU2005330565A1 (en) 2006-11-30
NO335956B1 (no) 2015-03-30
AU2005330565C1 (en) 2009-10-29
AU2005330565A8 (en) 2008-08-14

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