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Paper Abstract and Keywords
Presentation 2004-12-17 16:05
Threat analysis of Event-Ordering Systems
Shingo Orihara, Satoshi Ono, Eiichi Horita, Hidetaka Ishimoto (NTT)
Abstract (in Japanese) (See Japanese page) 
(in English) Time-stamping digital documents is now becoming increasingly important. Several time-stamping schemes have been proposed and some of them have been put into service. There are, however, several problems with existing time-stamping systems, such as expiration of public-key certificates, key compromise and existence of single point of attack. In this paper, we propose a new time-stamping scheme that is intended to solve these problems by using an event-ordering system, and present a threat analysis of the scheme.
Keyword (in Japanese) (See Japanese page) 
(in English) time-stamp / event-ordering system / Merkle tree / / / / /  
Reference Info. IEICE Tech. Rep., vol. 104, no. 527, ISEC2004-104, pp. 39-45, Dec. 2004.
Paper # ISEC2004-104 
Date of Issue 2004-12-10 (ISEC) 
ISSN Print edition: ISSN 0913-5685
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Conference Information
Committee ISEC  
Conference Date 2004-12-17 - 2004-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2004-12-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Threat analysis of Event-Ordering Systems 
Sub Title (in English)  
Keyword(1) time-stamp  
Keyword(2) event-ordering system  
Keyword(3) Merkle tree  
1st Author's Name Shingo Orihara  
1st Author's Affiliation NTT Information Sharinng Platform Laboratories (NTT)
2nd Author's Name Satoshi Ono  
2nd Author's Affiliation NTT Information Sharinng Platform Laboratories (NTT)
3rd Author's Name Eiichi Horita  
3rd Author's Affiliation NTT Information Sharinng Platform Laboratories (NTT)
4th Author's Name Hidetaka Ishimoto  
4th Author's Affiliation NTT Information Sharinng Platform Laboratories (NTT)
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Speaker Author-1 
Date Time 2004-12-17 16:05:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # ISEC2004-104 
Volume (vol) vol.104 
Number (no) no.527 
Page pp.39-45 
Date of Issue 2004-12-10 (ISEC) 

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