DE69131789D1 - Verfahren zur sicheren zeitstempelung von digitalen dokumenten - Google Patents

Verfahren zur sicheren zeitstempelung von digitalen dokumenten

Info

Publication number
DE69131789D1
DE69131789D1 DE69131789T DE69131789T DE69131789D1 DE 69131789 D1 DE69131789 D1 DE 69131789D1 DE 69131789 T DE69131789 T DE 69131789T DE 69131789 T DE69131789 T DE 69131789T DE 69131789 D1 DE69131789 D1 DE 69131789D1
Authority
DE
Germany
Prior art keywords
time stamping
digital documents
safe time
safe
documents
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.)
Expired - Lifetime
Application number
DE69131789T
Other languages
English (en)
Other versions
DE69131789T2 (de
Inventor
Stuart Haber
Wakefield Stornetta
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.)
Iconectiv LLC
Original Assignee
Bell Communications Research 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
Priority claimed from US07/561,888 external-priority patent/US5136647A/en
Priority claimed from US07/666,896 external-priority patent/US5136646A/en
Application filed by Bell Communications Research Inc filed Critical Bell Communications Research Inc
Publication of DE69131789D1 publication Critical patent/DE69131789D1/de
Application granted granted Critical
Publication of DE69131789T2 publication Critical patent/DE69131789T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L9/32—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
    • 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)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Storage Device Security (AREA)
  • Document Processing Apparatus (AREA)
DE69131789T 1990-08-02 1991-07-30 Verfahren zur sicheren zeitstempelung von digitalen dokumenten Expired - Lifetime DE69131789T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/561,888 US5136647A (en) 1990-08-02 1990-08-02 Method for secure time-stamping of digital documents
US07/666,896 US5136646A (en) 1991-03-08 1991-03-08 Digital document time-stamping with catenate certificate
PCT/US1991/005386 WO1992003000A1 (en) 1990-08-02 1991-07-30 Method for secure time-stamping of digital documents

Publications (2)

Publication Number Publication Date
DE69131789D1 true DE69131789D1 (de) 1999-12-23
DE69131789T2 DE69131789T2 (de) 2000-07-06

Family

ID=27072782

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131789T Expired - Lifetime DE69131789T2 (de) 1990-08-02 1991-07-30 Verfahren zur sicheren zeitstempelung von digitalen dokumenten

Country Status (6)

Country Link
EP (1) EP0541727B1 (de)
JP (2) JP3278721B2 (de)
CA (1) CA2088371C (de)
DE (1) DE69131789T2 (de)
ES (1) ES2142307T3 (de)
WO (1) WO1992003000A1 (de)

Families Citing this family (40)

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BE1007075A3 (nl) 1993-05-10 1995-03-07 Philips Electronics Nv Telecommunicatienetwerk.
US5440633A (en) * 1993-08-25 1995-08-08 International Business Machines Corporation Communication network access method and system
FR2711263A1 (fr) * 1993-12-23 1995-04-21 France Telecom Dispositif électronique de certification horodatée.
US7505945B2 (en) 1995-02-08 2009-03-17 Cryptomathic A/S Electronic negotiable documents
CA2212457C (en) * 1995-02-08 2008-02-05 Cryptomathic A/S Electronic negotiable documents
JP3343771B2 (ja) * 1995-03-13 2002-11-11 株式会社東芝 電子決済装置、および、電子決済判定方法
DE19532617C2 (de) 1995-09-04 1998-01-22 Nisl Klaus Dipl Ing Verfahren und Vorrichtung zur Versiegelung von Computerdaten
DE19615302A1 (de) * 1996-04-18 1997-10-23 Deutsche Telekom Ag Verfahren und Vorrichtung zum Aufzeichnen/Verarbeiten von authentischen Tondaten
US6209090B1 (en) 1997-05-29 2001-03-27 Sol Aisenberg Method and apparatus for providing secure time stamps for documents and computer files
JP3420472B2 (ja) 1997-07-22 2003-06-23 富士通株式会社 電子公開物の証明に用いられるシステム及び記録媒体
GB2327831B (en) * 1997-07-23 2002-10-09 Chantilley Corp Ltd Document or message security arrangements
AU760742C (en) * 1997-09-22 2006-11-09 Proofspace, Inc. Method and system for transient key digital time stamps
CA2317139C (en) * 1999-09-01 2006-08-08 Nippon Telegraph And Telephone Corporation Folder type time stamping system and distributed time stamping system
US7134021B2 (en) 1999-10-22 2006-11-07 Hitachi, Ltd. Method and system for recovering the validity of cryptographically signed digital data
EP1094424A3 (de) 1999-10-22 2004-06-16 Hitachi, Ltd. Verfahren zur digitalen Unterschrift
US7519824B1 (en) * 1999-12-10 2009-04-14 International Business Machines Corporation Time stamping method employing multiple receipts linked by a nonce
US8332740B2 (en) 2000-01-19 2012-12-11 Graham John D Systems and method for management of intangible assets
EP1264262A2 (de) * 2000-01-19 2002-12-11 Iddex Corporation System und verfahren zur verwaltung geistigen eigentums
FR2803961B1 (fr) * 2000-01-19 2002-03-15 Ghislain Moret Systeme de securisation des transactions lors d'achats par correspondance
JP4631132B2 (ja) * 2000-06-05 2011-02-16 三菱電機株式会社 デジタル署名の有効期限延長システム、デジタル署名有効期限延長装置、およびデジタル署名有効期限延長方法
JP3899808B2 (ja) 2000-12-07 2007-03-28 株式会社日立製作所 ディジタル署名生成方法およびディジタル署名検証方法
DE10106083A1 (de) * 2001-02-08 2002-08-29 Jan Wendenburg Verfahren zur Zuordnung von digitalen Zeitstempeln
EP1265184A3 (de) * 2001-05-11 2004-10-20 Siemens AG Österreich Verfahren zum elektronischen Bezahlen
GB2376323B (en) * 2001-06-09 2006-03-15 Hewlett Packard Co Trusted and verifiable data storage system
JP2003022010A (ja) * 2001-07-09 2003-01-24 Seiko Precision Inc タイムスタンプ証明書の発行システム、発行方法及び発行システムプログラム
JP2003244139A (ja) * 2002-02-20 2003-08-29 Amano Corp 電子文書に対するタイムスタンプ押印システム、及び、そのプログラム媒体
CN100373845C (zh) * 2002-05-02 2008-03-05 中兴通讯股份有限公司 一种在会话发起协议网络中对终端进行认证及鉴权的方法
JP2004021695A (ja) * 2002-06-18 2004-01-22 Seiko Instruments Inc 電子投票モジュール及びこれを用いた電子投票方法
JP2004040344A (ja) 2002-07-02 2004-02-05 Hitachi Ltd 原本保証方法および原本保証システム
WO2004068264A2 (en) * 2003-01-31 2004-08-12 Linuxprobe Co. System and method for creating electronic signatures
US7444389B2 (en) 2003-12-09 2008-10-28 Emc Corporation Methods and apparatus for generating a content address to indicate data units written to a storage system proximate in time
US7698557B2 (en) * 2003-12-22 2010-04-13 Guardtime As System and method for generating a digital certificate
WO2005109207A1 (ja) * 2004-05-06 2005-11-17 Hypergear Inc 電子ファイル時刻認証自動取得方法、および、電子ファイル時刻認証自動取得機能を備える通信端末装置
US7392235B2 (en) 2005-04-15 2008-06-24 Emc Corporation Methods and apparatus for retrieval of content units in a time-based directory structure
US7765191B2 (en) 2005-04-15 2010-07-27 Emc Corporation Methods and apparatus for managing the replication of content
JP2006319452A (ja) * 2005-05-10 2006-11-24 Ricoh Co Ltd 文書電子化装置、文書電子化方法、文書電子化プログラム及び記録媒体
US8695089B2 (en) 2007-03-30 2014-04-08 International Business Machines Corporation Method and system for resilient packet traceback in wireless mesh and sensor networks
FR2930659B1 (fr) * 2008-04-25 2010-05-28 Inst Nat Rech Inf Automat Dispositif informatique de gestion temporelle de documents numeriques
US8677133B1 (en) * 2009-02-10 2014-03-18 Google Inc. Systems and methods for verifying an electronic documents provenance date
JP5673952B2 (ja) * 2011-08-29 2015-02-18 セイコーインスツル株式会社 データ証明システム、クライアント装置、公開サーバおよびデータ証明方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH411983A (de) * 1963-10-18 1966-04-30 Gretag Ag Verfahren zum Ver- und Entschlüsseln von impulsförmigen Nachrichten
US4206315A (en) * 1978-01-04 1980-06-03 International Business Machines Corporation Digital signature system and apparatus
JPS6172436A (ja) * 1984-09-18 1986-04-14 Fujitsu Ltd デイジタル署名方式
JPH06172436A (ja) * 1992-12-04 1994-06-21 Tonen Corp α−オレフィン重合用触媒成分

Also Published As

Publication number Publication date
EP0541727A4 (en) 1995-10-25
JP2002092220A (ja) 2002-03-29
EP0541727B1 (de) 1999-11-17
CA2088371A1 (en) 1992-02-03
CA2088371C (en) 1998-08-11
JP3281881B2 (ja) 2002-05-13
EP0541727A1 (de) 1993-05-19
DE69131789T2 (de) 2000-07-06
JP3278721B2 (ja) 2002-04-30
ES2142307T3 (es) 2000-04-16
WO1992003000A1 (en) 1992-02-20
JPH06501571A (ja) 1994-02-17

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: TELCORDIA TECHNOLOGIES, INC., MORRISTOWN, N.J., US

8364 No opposition during term of opposition