EP1018239A4 - Method and system for transient key digital time stamps - Google Patents

Method and system for transient key digital time stamps

Info

Publication number
EP1018239A4
EP1018239A4 EP98949485A EP98949485A EP1018239A4 EP 1018239 A4 EP1018239 A4 EP 1018239A4 EP 98949485 A EP98949485 A EP 98949485A EP 98949485 A EP98949485 A EP 98949485A EP 1018239 A4 EP1018239 A4 EP 1018239A4
Authority
EP
European Patent Office
Prior art keywords
time stamps
digital time
transient key
key digital
transient
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.)
Withdrawn
Application number
EP98949485A
Other languages
German (de)
French (fr)
Other versions
EP1018239A1 (en
Inventor
Michael D Doyle
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.)
Proofspace Inc
Original Assignee
Proofspace Inc
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 Proofspace Inc filed Critical Proofspace Inc
Publication of EP1018239A1 publication Critical patent/EP1018239A1/en
Publication of EP1018239A4 publication Critical patent/EP1018239A4/en
Withdrawn legal-status Critical Current

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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • 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
    • H04L9/3297—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 time stamps, e.g. generation of time stamps
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/121—Timestamp

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Storage Device Security (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Circuits Of Receivers In General (AREA)
EP98949485A 1997-09-22 1998-09-22 Method and system for transient key digital time stamps Withdrawn EP1018239A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5945597P 1997-09-22 1997-09-22
US59455P 1997-09-22
PCT/US1998/020036 WO1999016209A1 (en) 1997-09-22 1998-09-22 Method and system for transient key digital time stamps

Publications (2)

Publication Number Publication Date
EP1018239A1 EP1018239A1 (en) 2000-07-12
EP1018239A4 true EP1018239A4 (en) 2005-07-13

Family

ID=22023060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98949485A Withdrawn EP1018239A4 (en) 1997-09-22 1998-09-22 Method and system for transient key digital time stamps

Country Status (7)

Country Link
EP (1) EP1018239A4 (en)
JP (2) JP4563577B2 (en)
KR (1) KR100563515B1 (en)
AU (1) AU760742C (en)
CA (1) CA2304342C (en)
IL (1) IL135069A0 (en)
WO (1) WO1999016209A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7047415B2 (en) * 1997-09-22 2006-05-16 Dfs Linkages, Inc. System and method for widely witnessed proof of time
US7017046B2 (en) * 1997-09-22 2006-03-21 Proofspace, Inc. System and method for graphical indicia for the certification of records
US7490241B1 (en) 1999-12-10 2009-02-10 International Business Machines Corporation Time stamping method employing user specified time
US6965998B1 (en) 1999-12-10 2005-11-15 International Business Machines Corporation Time stamping method using time-based signature key
US6742119B1 (en) 1999-12-10 2004-05-25 International Business Machines Corporation Time stamping method using time delta in key certificate
US6993656B1 (en) 1999-12-10 2006-01-31 International Business Machines Corporation Time stamping method using aged time stamp receipts
US7315948B1 (en) 1999-12-10 2008-01-01 International Business Machines Corporation Time stamping method employing a separate ticket and stub
US7519824B1 (en) 1999-12-10 2009-04-14 International Business Machines Corporation Time stamping method employing multiple receipts linked by a nonce
KR101298562B1 (en) * 2004-07-23 2013-08-22 데이터 시큐어리티 시스템즈 솔루션스 피티이 엘티디 System and method for implementing digital signature using one time private keys
US7801871B2 (en) 2005-08-09 2010-09-21 Nexsan Technologies Canada Inc. Data archiving system
JP4150037B2 (en) 2005-09-30 2008-09-17 株式会社東芝 Time stamp acquisition system, time stamp acquisition device, time stamp acquisition program, and time stamp acquisition method
US7904725B2 (en) * 2006-03-02 2011-03-08 Microsoft Corporation Verification of electronic signatures
JP2009212747A (en) * 2008-03-04 2009-09-17 Nec Corp Electronic signature system
JP5518668B2 (en) * 2010-10-14 2014-06-11 日本電信電話株式会社 Electronic signature key management apparatus, electronic signature key management method, electronic signature key management program
JP2016116134A (en) * 2014-12-16 2016-06-23 パナソニックＩｐマネジメント株式会社 Signature verification device, signature generation device, signature processing system, signature verification method, and signature generation method
CN109687967B (en) * 2017-10-18 2022-02-08 克洛斯比尔有限公司 Electronic signature method and device
SG11202010346TA (en) 2018-05-14 2020-11-27 Nchain Holdings Ltd Computer-implemented systems and methods for using a blockchain to perform an atomic swap
KR20210062488A (en) 2019-11-21 2021-05-31 대한민국(전북기계공업고등학교장) 2axis motion simulator
US20240250935A1 (en) * 2022-02-28 2024-07-25 Rakuten Group, Inc. Communication system, communication method, and program

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0725512A2 (en) * 1995-02-03 1996-08-07 International Business Machines Corporation Data communication system using public keys
EP0738058A2 (en) * 1995-04-05 1996-10-16 Mordhay Barkan Method and apparatus for the secure distribution of encryption keys

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001752A (en) * 1989-10-13 1991-03-19 Fischer Addison M Public/key date-time notary facility
ES2142307T3 (en) * 1990-08-02 2000-04-16 Telcordia Tech Inc METHOD OF SAFE TIME MARKING IN DIGITAL DOCUMENTS.
US5201000A (en) * 1991-09-27 1993-04-06 International Business Machines Corporation Method for generating public and private key pairs without using a passphrase
US5422953A (en) * 1993-05-05 1995-06-06 Fischer; Addison M. Personal date/time notary device
US5787172A (en) * 1994-02-24 1998-07-28 The Merdan Group, Inc. Apparatus and method for establishing a cryptographic link between elements of a system
US5469507A (en) * 1994-03-01 1995-11-21 International Business Machines Corporation Secure communication and computation in an insecure environment
US5673316A (en) * 1996-03-29 1997-09-30 International Business Machines Corporation Creation and distribution of cryptographic envelope
JP3659791B2 (en) * 1998-03-23 2005-06-15 インターナショナル・ビジネス・マシーンズ・コーポレーション Method and system for generating a small time key
JPH11296078A (en) * 1998-04-15 1999-10-29 Yrs:Kk Souvenir

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0725512A2 (en) * 1995-02-03 1996-08-07 International Business Machines Corporation Data communication system using public keys
EP0738058A2 (en) * 1995-04-05 1996-10-16 Mordhay Barkan Method and apparatus for the secure distribution of encryption keys

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9916209A1 *

Also Published As

Publication number Publication date
AU760742C (en) 2006-11-09
IL135069A0 (en) 2001-05-20
AU9579698A (en) 1999-04-12
JP4563577B2 (en) 2010-10-13
CA2304342C (en) 2009-01-27
EP1018239A1 (en) 2000-07-12
KR20010040248A (en) 2001-05-15
AU760742B2 (en) 2003-05-22
JP2001517818A (en) 2001-10-09
KR100563515B1 (en) 2006-03-27
CA2304342A1 (en) 1999-04-01
WO1999016209A1 (en) 1999-04-01
JP2010148098A (en) 2010-07-01

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20000328

AK Designated contracting states

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Designated state(s): BE DE ES FR GB IT LU NL

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: PROOFSPACE, INC.

A4 Supplementary search report drawn up and despatched

Effective date: 20050601

RIC1 Information provided on ipc code assigned before grant

Ipc: 7H 04L 9/32 A

17Q First examination report despatched

Effective date: 20060718

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DFS LINKAGES, INC.

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20120403