EP1018239A4 - Verfahren und vorrichtung zur erzeugung von zeitstempeln mittels übergangsschlüsseln - Google Patents

Verfahren und vorrichtung zur erzeugung von zeitstempeln mittels übergangsschlüsseln

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Withdrawn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
English (en)
French (fr)
Other versions
EP1018239A1 (de
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/de
Publication of EP1018239A4 publication Critical patent/EP1018239A4/de
Withdrawn legal-status Critical Current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 Verfahren und vorrichtung zur erzeugung von zeitstempeln mittels übergangsschlüsseln Withdrawn EP1018239A4 (de)

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 (de) 2000-07-12
EP1018239A4 true EP1018239A4 (de) 2005-07-13

Family

ID=22023060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98949485A Withdrawn EP1018239A4 (de) 1997-09-22 1998-09-22 Verfahren und vorrichtung zur erzeugung von zeitstempeln mittels übergangsschlüsseln

Country Status (7)

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

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
US6965998B1 (en) 1999-12-10 2005-11-15 International Business Machines Corporation Time stamping method using time-based signature key
US6993656B1 (en) 1999-12-10 2006-01-31 International Business Machines Corporation Time stamping method using aged time stamp receipts
US7519824B1 (en) 1999-12-10 2009-04-14 International Business Machines Corporation Time stamping method employing multiple receipts linked by a nonce
US6742119B1 (en) 1999-12-10 2004-05-25 International Business Machines Corporation Time stamping method using time delta in key certificate
US7315948B1 (en) 1999-12-10 2008-01-01 International Business Machines Corporation Time stamping method employing a separate ticket and stub
US7490241B1 (en) 1999-12-10 2009-02-10 International Business Machines Corporation Time stamping method employing user specified time
KR101298562B1 (ko) 2004-07-23 2013-08-22 데이터 시큐어리티 시스템즈 솔루션스 피티이 엘티디 일회용 사설키를 사용하여 디지털 서명을 구현하기 위한시스템 및 방법
JP2009506405A (ja) 2005-08-09 2009-02-12 ネクサン テクノロジーズ カナダ インコーポレイテッド データアーカイブシステム
JP4150037B2 (ja) 2005-09-30 2008-09-17 株式会社東芝 タイムスタンプ取得システム、タイムスタンプ取得装置、タイムスタンプ取得プログラム及びタイムスタンプ取得方法
US7904725B2 (en) * 2006-03-02 2011-03-08 Microsoft Corporation Verification of electronic signatures
JP2009212747A (ja) * 2008-03-04 2009-09-17 Nec Corp 電子署名システム
JP5518668B2 (ja) * 2010-10-14 2014-06-11 日本電信電話株式会社 電子署名用鍵管理装置、電子署名用鍵管理方法、電子署名用鍵管理プログラム
JP2016116134A (ja) * 2014-12-16 2016-06-23 パナソニックＩｐマネジメント株式会社 署名検証装置、署名生成装置、署名処理システム、署名検証方法及び署名生成方法
CN109687967B (zh) * 2017-10-18 2022-02-08 克洛斯比尔有限公司 电子签名方法和设备
EP3794765A1 (de) 2018-05-14 2021-03-24 Nchain Holdings Limited Computerimplementierte systeme und verfahren zur verwendung einer blockchain zur durchführung eines atomaren wechsels
KR20210062488A (ko) 2019-11-21 2021-05-31 대한민국(전북기계공업고등학교장) 2축 모션 시뮬레이터
JP7358659B1 (ja) * 2022-02-28 2023-10-10 楽天グループ株式会社 通信システム、通信方法、及びプログラム

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0725512A2 (de) * 1995-02-03 1996-08-07 International Business Machines Corporation Datenkommunikationssystem unter Verwendung öffentlicher Schlüssel
EP0738058A2 (de) * 1995-04-05 1996-10-16 Mordhay Barkan Verfahren und Einrichtung zur sicheren Verteilung von Verschlüsselungsschlüsseln

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
JP3278721B2 (ja) * 1990-08-02 2002-04-30 テルコーディア テクノロジーズ、インコーポレーテッド 数値文書にタイムスタンプを確実に押す方法
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 (ja) * 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 小時間鍵生成の方法及びシステム
JPH11296078A (ja) * 1998-04-15 1999-10-29 Yrs:Kk 記念品

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0725512A2 (de) * 1995-02-03 1996-08-07 International Business Machines Corporation Datenkommunikationssystem unter Verwendung öffentlicher Schlüssel
EP0738058A2 (de) * 1995-04-05 1996-10-16 Mordhay Barkan Verfahren und Einrichtung zur sicheren Verteilung von Verschlüsselungsschlüsseln

Non-Patent Citations (1)

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

Also Published As

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

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Legal Events

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Effective date: 20000328

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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

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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.

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Effective date: 20120403