Presentation	2004-09-17 On the Security of the Full-Domain Hash variant of Chaum's Undeniable Signature schemes Yoshinari KOBAYASHI, Taiichi SAITO, Shigeo TSUJII,
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Abstract(in English)	The aim of this paper is (1) to prove that the full-domain hash variant of Chaum's undeniable signature schemes has unforgeability under the CDH assumption, which is weaker than the GDH assumption, and (2) to show that the scheme has invisibility under the DDH assumption.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	Okamoto-Pointcheval-Chaum undeniable signature / Unforgeability / Invisibility
Paper #	ISEC2004-75
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Conference Information
Committee	ISEC
Conference Date	2004/9/10(1days)
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Paper Information
Registration To	Information Security (ISEC)
Language	ENG
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	On the Security of the Full-Domain Hash variant of Chaum's Undeniable Signature schemes
Sub Title (in English)
Keyword(1)	Okamoto-Pointcheval-Chaum undeniable signature
Keyword(2)	Unforgeability
Keyword(3)	Invisibility
1st Author's Name	Yoshinari KOBAYASHI
1st Author's Affiliation	Dept. of Information Science and Engineering, Chuo University()
2nd Author's Name	Taiichi SAITO
2nd Author's Affiliation	Dept. of Information and Communication, Tokyo Denki University
3rd Author's Name	Shigeo TSUJII
3rd Author's Affiliation	Institute of Information Security
Date	2004-09-17
Paper #	ISEC2004-75
Volume (vol)	vol.104
Number (no)	315
Page	pp.pp.-
#Pages	6
Date of Issue