ATE422125T1 - Generierungs- und verifizierungsverfahren durch benutzung von time lock puzzle - Google Patents

Generierungs- und verifizierungsverfahren durch benutzung von time lock puzzle

Info

Publication number
ATE422125T1
ATE422125T1 AT05708462T AT05708462T ATE422125T1 AT E422125 T1 ATE422125 T1 AT E422125T1 AT 05708462 T AT05708462 T AT 05708462T AT 05708462 T AT05708462 T AT 05708462T AT E422125 T1 ATE422125 T1 AT E422125T1
Authority
AT
Austria
Prior art keywords
asymmetric
value
computationally
generation
hash function
Prior art date
Application number
AT05708462T
Other languages
English (en)
Inventor
Jonathan Roshan Tuliani
Peter Landrock
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
Application granted granted Critical
Publication of ATE422125T1 publication Critical patent/ATE422125T1/de

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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)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Electrotherapy Devices (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
AT05708462T 2004-05-26 2005-02-04 Generierungs- und verifizierungsverfahren durch benutzung von time lock puzzle ATE422125T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0411777.6A GB0411777D0 (en) 2004-05-26 2004-05-26 Computationally asymmetric cryptographic systems

Publications (1)

Publication Number Publication Date
ATE422125T1 true ATE422125T1 (de) 2009-02-15

Family

ID=32671113

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05708462T ATE422125T1 (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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Also Published As

Publication number Publication date
WO2005117335A1 (en) 2005-12-08
US20080285746A1 (en) 2008-11-20
EP1751913B1 (de) 2009-01-28
AU2005330565A1 (en) 2006-11-30
EP1751913A1 (de) 2007-02-14
AU2005330565A8 (en) 2008-08-14
AU2005330565B8 (en) 2009-11-19
AU2005330565C1 (en) 2009-10-29
AU2005330565B2 (en) 2009-06-11
DE602005012580D1 (de) 2009-03-19
NO20065938L (no) 2006-12-20
GB0411777D0 (en) 2004-06-30
NO335956B1 (no) 2015-03-30
US8358778B2 (en) 2013-01-22
NZ550786A (en) 2009-02-28

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