Threshold Group Signature Scheme with Privilege Subjects Based on ECC

This paper analyzes and studies of a threshold group signature scheme which is based on ElGamal type. In order to overcome the shortcomings of the scheme, a new threshold group signature scheme with privilege subjects based on ECC is proposed. The new scheme is able to prevent the fraud of key distr...

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Published in2010 International Conference on Communications and Intelligence Information Security pp. 84 - 87
Main Authors Xueming Wang, Yurong Dong
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2010
Subjects
ECC
Elliptic curve cryptography
Law
Polynomials
privilege subjects
secret sharing
threshold group signature
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ISBN1424486491
9781424486496
DOI10.1109/ICCIIS.2010.64

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Abstract This paper analyzes and studies of a threshold group signature scheme which is based on ElGamal type. In order to overcome the shortcomings of the scheme, a new threshold group signature scheme with privilege subjects based on ECC is proposed. The new scheme is able to prevent the fraud of key distribution center effectively. Only when the scheme satisfies (t, n) and (t 1 , n 1 ) threshold signature, can the valid signature be generated. Thus the scheme reached the property of threshold. The program also satisfies the properties of anonymity, unforgeability, trace ability, reversibility and it can resist collusion attacks too.
AbstractList This paper analyzes and studies of a threshold group signature scheme which is based on ElGamal type. In order to overcome the shortcomings of the scheme, a new threshold group signature scheme with privilege subjects based on ECC is proposed. The new scheme is able to prevent the fraud of key distribution center effectively. Only when the scheme satisfies (t, n) and (t 1 , n 1 ) threshold signature, can the valid signature be generated. Thus the scheme reached the property of threshold. The program also satisfies the properties of anonymity, unforgeability, trace ability, reversibility and it can resist collusion attacks too.
Author Yurong Dong
Xueming Wang
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  surname: Yurong Dong
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  organization: Comput. Sci. & Inf. Coll., Guizhou Univ., Guiyang, China
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Snippet This paper analyzes and studies of a threshold group signature scheme which is based on ElGamal type. In order to overcome the shortcomings of the scheme, a...
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StartPage 84
SubjectTerms ECC
Elliptic curve cryptography
Law
Polynomials
privilege subjects
secret sharing
threshold group signature
Title Threshold Group Signature Scheme with Privilege Subjects Based on ECC
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