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 PDFInfo
- 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
- Authority
- 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
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
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
ID=34201564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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)
Country | Link |
---|---|
DE (1) | DE102004006806B4 (en) |
Families Citing this family (1)
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)
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 |
-
2004
- 2004-02-11 DE DE102004006806A patent/DE102004006806B4/en not_active Expired - Fee Related
Patent Citations (4)
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)
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
Date | Code | Title | Description |
---|---|---|---|
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 |