DE60236444D1 - Verfahren und Vorrichtung zur Zeitstempelung - Google Patents

Verfahren und Vorrichtung zur Zeitstempelung

Info

Publication number
DE60236444D1
DE60236444D1 DE60236444T DE60236444T DE60236444D1 DE 60236444 D1 DE60236444 D1 DE 60236444D1 DE 60236444 T DE60236444 T DE 60236444T DE 60236444 T DE60236444 T DE 60236444T DE 60236444 D1 DE60236444 D1 DE 60236444D1
Authority
DE
Germany
Prior art keywords
clock
output
timer
virtual
clocks
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
DE60236444T
Other languages
English (en)
Inventor
Ian Nigel Harvey
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.)
nCipher Corp Ltd
Original Assignee
nCipher Corp 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 nCipher Corp Ltd filed Critical nCipher Corp Ltd
Application granted granted Critical
Publication of DE60236444D1 publication Critical patent/DE60236444D1/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
DE60236444T 2001-09-28 2002-09-10 Verfahren und Vorrichtung zur Zeitstempelung Expired - Lifetime DE60236444D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0123453.3A GB0123453D0 (en) 2001-09-28 2001-09-28 Time stamping device
PCT/GB2002/004102 WO2003030446A1 (en) 2001-09-28 2002-09-10 Time stamping device

Publications (1)

Publication Number Publication Date
DE60236444D1 true DE60236444D1 (de) 2010-07-01

Family

ID=9922958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60236444T Expired - Lifetime DE60236444D1 (de) 2001-09-28 2002-09-10 Verfahren und Vorrichtung zur Zeitstempelung

Country Status (7)

Country Link
US (1) US7650508B2 (de)
EP (1) EP1430639B1 (de)
AT (1) ATE468675T1 (de)
DE (1) DE60236444D1 (de)
ES (1) ES2346299T3 (de)
GB (1) GB0123453D0 (de)
WO (1) WO2003030446A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2893440A1 (fr) * 2005-11-15 2007-05-18 France Telecom Serveur et procede d'horodatage de donnees electroniques
JP4844281B2 (ja) * 2006-08-10 2011-12-28 富士ゼロックス株式会社 ドキュメント管理装置及びプログラム
US20080195860A1 (en) * 2007-02-14 2008-08-14 Motorola, Inc. Method and apparatus for detecting a compromised node in a network

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US16849A (en) * 1857-03-17 Machine foe
US4644542A (en) * 1984-10-16 1987-02-17 International Business Machines Corporation Fault-tolerant atomic broadcast methods
US5189700A (en) * 1989-07-05 1993-02-23 Blandford Robert R Devices to (1) supply authenticated time and (2) time stamp and authenticate digital documents
US5001752A (en) * 1989-10-13 1991-03-19 Fischer Addison M Public/key date-time notary facility
US5136643A (en) * 1989-10-13 1992-08-04 Fischer Addison M Public/key date-time notary facility
US5136647A (en) * 1990-08-02 1992-08-04 Bell Communications Research, Inc. Method for secure time-stamping of digital documents
CA2176032A1 (en) * 1994-01-13 1995-07-20 Bankers Trust Company Cryptographic system and method with key escrow feature
US6367013B1 (en) * 1995-01-17 2002-04-02 Eoriginal Inc. System and method for electronic transmission, storage, and retrieval of authenticated electronic original documents
US7069451B1 (en) * 1995-02-13 2006-06-27 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
US6959387B2 (en) * 1996-03-21 2005-10-25 Walker Digital, Llc Method and apparatus for verifying secure document timestamping
US5923763A (en) * 1996-03-21 1999-07-13 Walker Asset Management Limited Partnership Method and apparatus for secure document timestamping
US6125368A (en) * 1997-02-28 2000-09-26 Oracle Corporation Fault-tolerant timestamp generation for multi-node parallel databases
CA2317139C (en) * 1999-09-01 2006-08-08 Nippon Telegraph And Telephone Corporation Folder type time stamping system and distributed time stamping system
US6792536B1 (en) * 1999-10-20 2004-09-14 Timecertain Llc Smart card system and methods for proving dates in digital files
GB9927952D0 (en) 1999-11-26 2000-01-26 Caldwell Kenneth A ventilation apparatus
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
US6928230B2 (en) 2000-02-21 2005-08-09 Hewlett-Packard Development Company, L.P. Associating recordings and auxiliary data
US7272720B2 (en) * 2000-09-27 2007-09-18 Fujitsu Limited Date-and-time management device and signature generation apparatus with date-and-time management function
US20020104004A1 (en) * 2001-02-01 2002-08-01 Bruno Couillard Method and apparatus for synchronizing real-time clocks of time stamping cryptographic modules
US7395447B2 (en) * 2002-09-16 2008-07-01 Silicon Labs Cp, Inc. Precision oscillator for an asynchronous transmission system

Also Published As

Publication number Publication date
US7650508B2 (en) 2010-01-19
ES2346299T3 (es) 2010-10-14
EP1430639A1 (de) 2004-06-23
US20050125672A1 (en) 2005-06-09
EP1430639B1 (de) 2010-05-19
WO2003030446A1 (en) 2003-04-10
GB0123453D0 (en) 2001-11-21
ATE468675T1 (de) 2010-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition