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Enhancing E-Voting with Multiparty Class Group Encryption

delete2026-01-01
delete0
PRE
AI
M
Michele Battagliola *
G
Giuseppe D’Alconzo
A
Andrea Gangemi
C
Chiara Spadafora
DOI：10.1007/978-3-032-01806-9_14delete
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Abstract

Abstract

En 中文
CHide is one of the most prominent e-voting protocols, which, while combining security and efficiency, suffers from having very long encrypted credentials. In this paper, starting from CHide, we propose a new protocol, based on multiparty Class Group Encryption (CGE) instead of discrete logarithm cryptography over known order groups. We achieve a computational complexity of O(nr), for n votes and r voters, while calling the MixNet algorithm one time. The homomorphic properties of CGE allow for credentials that are shorter by a factor of 20 while maintaining the same level of security, at the cost of a small slowdown in efficiency.
Keywords:
Class Group Encryption
Threshold Encryption
Coercion Resistance
E-voting

Journal

A
APPLIED CRYPTOGRAPHY AND NETWORK SECURITY WORKSHOPS, ACNS 2025 SATELLITE WORKSHOPS: AIHWS, AIOTS, QSHC, SCI, PRIVCRYPT, SPIQE, SIMLA, AND CIMSS 2025, PT II
IF:
0
Papers:
16
Citations:
0

Organization

M
Marche Polytechnic University
Scholars:
1.2W
Papers: 9.4K
Citations: 1.1W
U
university of trento
Scholars:
1.7K
Papers: 879
Citations: 0
P
Polytechnic University of Turin
Scholars:
1.3W
Papers: 1.3W
Citations: 1.3W
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