DE102004006806B4 - Method for time-stamping digital data and device for carrying out the method - Google Patents

Method for time-stamping digital data and device for carrying out the method Download PDF

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Publication number
DE102004006806B4
DE102004006806B4 DE102004006806A DE102004006806A DE102004006806B4 DE 102004006806 B4 DE102004006806 B4 DE 102004006806B4 DE 102004006806 A DE102004006806 A DE 102004006806A DE 102004006806 A DE102004006806 A DE 102004006806A DE 102004006806 B4 DE102004006806 B4 DE 102004006806B4
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DE
Germany
Prior art keywords
carrying
time
digital data
stamping digital
stamping
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 - Fee Related
Application number
DE102004006806A
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German (de)
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DE102004006806A1 (en
Inventor
Detlef Huehnlein
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.)
Secunet Security Networks AG
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Secunet Security Networks AG
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Publication date
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Priority to DE102004006806A priority Critical patent/DE102004006806B4/en
Publication of DE102004006806A1 publication Critical patent/DE102004006806A1/en
Application granted granted Critical
Publication of DE102004006806B4 publication Critical patent/DE102004006806B4/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic 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
    • H04L9/3297Cryptographic 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
DE102004006806A 2003-08-16 2004-02-11 Method for time-stamping digital data and device for carrying out the method Expired - Fee Related DE102004006806B4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102004006806A DE102004006806B4 (en) 2003-08-16 2004-02-11 Method for time-stamping digital data and device for carrying out the method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10337592.9 2003-08-16
DE10337592 2003-08-16
DE102004006806A DE102004006806B4 (en) 2003-08-16 2004-02-11 Method for time-stamping digital data and device for carrying out the method

Publications (2)

Publication Number Publication Date
DE102004006806A1 DE102004006806A1 (en) 2005-03-17
DE102004006806B4 true DE102004006806B4 (en) 2005-10-20

Family

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Family Applications (1)

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DE102004006806A Expired - Fee Related DE102004006806B4 (en) 2003-08-16 2004-02-11 Method for time-stamping digital data and device for carrying out the method

Country Status (1)

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DE (1) DE102004006806B4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017985A1 (en) * 2006-04-13 2007-10-18 Timeproof Time Signature Systems Gmbh Signing of data including a declaration of intent

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136646A (en) * 1991-03-08 1992-08-04 Bell Communications Research, Inc. Digital document time-stamping with catenate certificate
DE10106083A1 (en) * 2001-02-08 2002-08-29 Jan Wendenburg Procedure for assigning digital time stamps
EP1267517A2 (en) * 1999-09-01 2002-12-18 Nippon Telegraph and Telephone Corporation Distributed time stamping system
US20030120939A1 (en) * 2001-12-26 2003-06-26 Storage Technology Corporation Upgradeable timestamp mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136646A (en) * 1991-03-08 1992-08-04 Bell Communications Research, Inc. Digital document time-stamping with catenate certificate
EP1267517A2 (en) * 1999-09-01 2002-12-18 Nippon Telegraph and Telephone Corporation Distributed time stamping system
DE10106083A1 (en) * 2001-02-08 2002-08-29 Jan Wendenburg Procedure for assigning digital time stamps
US20030120939A1 (en) * 2001-12-26 2003-06-26 Storage Technology Corporation Upgradeable timestamp mechanism

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Hühnlein, Detlef: Zwischenzeit-Stempel. In: kes, April 2004, S. 58-62 *
Merkle, R.: Protocols for Public Key Cryptosys- tems, IEEE Symposium on Security and Privacy, Oakland, April 1980, S. 122-134 *
nsper, A. u.a.: Improving the Availability of Time-Stamping Services. In: LNCS 2119, Springer 2001, S. 360-375 *
Pavlovski, C. u.a.: Efficient Batch Signature Generation using Tree Structures, Cryp TEC '99, Univ. Hongkong Press, S. 70-77 *
Schneier, Bruce: Angewandte Kryptographie, Bonn, Addison-Wesley Publishing Company, 1996, S. 91-95 *

Also Published As

Publication number Publication date
DE102004006806A1 (en) 2005-03-17

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Legal Events

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OP8 Request for examination as to paragraph 44 patent law
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee