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Informatica publishes research papers which have been accepted by at least two referees outside the author's country. Papers are typically published in less than half a year after the final version in the correct form is received. Acceptance rate is roughly 30%.
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Accession number:  20105113498778

Title:  Multisignature scheme based on discrete logarithms in the plain public key model

Authors:  Shao, Zuhua1  

Author affiliation:  1  Zhejiang University of Science and Technology, China


Corresponding author:  Shao, Z. (zhshao_98@yahoo.com)  

Source title:  Informatica (Ljubljana)

Abbreviated source title:  Inf

Volume:  34

Issue:  4

Issue date:  2010

Publication year:  2010

Pages:  509-515

Language:  English

ISSN:  03505596

CODEN:  INFOFF

Document type:  Journal article (JA)

Publisher:  Slovene Society Informatika, Jamova 39, Ljubljana, 61000, Slovenia

Abstract:  In this paper, we propose a new multisignature scheme based on discrete logarithms. We show that this new scheme can resist existential forgeries against adaptive chosen-message attacks in the random oracle model. The main contribution is that our security model gets rid of the special security requirement on the generation of the signers' public keys. Adversaries are not required to reveal private keys corresponding to the public keys of its choice to the challenger in attack games. Thus the new multisignature scheme does not suffer from the problem identified by Micali et al., which is shared by many current multisignature schemes. Moreover, if the joint public key of a group o f signers in this multisignature scheme is precomputed, the proposed multisignature scheme is optimal.

Number of references:  22

Main heading:  Electronic document identification systems

Controlled terms:  Algebra  -  Cryptography

Uncontrolled terms:  Discrete logarithms  -  Group oriented cryptography  -  Message attack  -  Multi-signature  -  Multisignature scheme  -  Private key  -  Public keys  -  Public-key model  -  Random Oracle model  -  Security model   -  Security requirements

Classification code:  716 Telecommunication; Radar, Radio and Television  -  717 Optical Communication  -  718 Telephone Systems and Related Technologies; Line Communications  -  723 Computer Software, Data Handling and Applications  -  723.5 Computer Applications  -  921.1 Algebra

Database:  Compendex

   Compilation and indexing terms, © 2011 Elsevier Inc.
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