scholarly journals Constructing the 2-Element AGDS Protocol based on the Discrete Logarithm Problem

2021 ◽  
Vol 13 (04) ◽  
pp. 13-22
Author(s):  
Tuan Nguyen Kim ◽  
Duy Ho Ngoc ◽  
Nikolay A. Moldovyan
Keyword(s):  
Discrete Logarithm ◽  
Discrete Logarithm Problem ◽  
Group Signature ◽  
Signature Scheme ◽  
Fixed Size ◽  
Electronic Documents ◽  
Computational Difficulty

It is considered a group signature scheme in frame of which different sets of signers sign electronic documents with hidden signatures and the head of the signing group generates a group signature of fixed size. A new mechanism for imbedding the information about signers into a group signature is proposed. The method provides possibilities for reducing the signature size and to construct collective signature protocols for signing groups. New group signature and collective signature protocols based on the computational difficulty of discrete logarithm are proposed.

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