Authors:
Marwa Chaieb
1
;
Mirko Koscina
2
;
Souheib Yousfi
3
;
Pascal Lafourcade
4
and
Riadh Robbana
3
Affiliations:
1
Faculty of Sciences of Tunis, University Tunis El-Manar, Tunis and Tunisia
;
2
Département d’Informatique, École Normale Supérieure, Paris, France, Be-Studys, Geneva and Switzerland
;
3
LIP2, National Institute of Applied Science and Technology, University of Carthage, Tunis and Tunisia
;
4
LIMOS, University Clermont Auvergne, CNRS UMR6158, Aubière and France
Keyword(s):
e-Voting, Blind Signature, Fully-decentralized, Permissioned Blockchain.
Related
Ontology
Subjects/Areas/Topics:
Applied Cryptography
;
Cryptographic Techniques and Key Management
;
Data and Application Security and Privacy
;
Data Engineering
;
Databases and Data Security
;
Information and Systems Security
;
Privacy
Abstract:
Creating an online electronic voting system that meets all legal requirements of election organizers and voters has constituted a real challenge for a long period of time. Permissioned Blockchains (also called Private Blockchains) are a cutting-edge invention, introduced as a security breakthrough for many existing and emerging technologies. One potential application of private Blockchain concerns e-voting systems. We propose a fully-decentralized e-voting system based on permissioned Blockchain, called DABSTERS in e-voting. Our system uses a blinded signature consensus algorithm, which is a modified version of Practical Byzantine Fault Tolerance (PBFT), to preserve voter’s privacy. Our protocol ensures several security properties: voter’s eligibility, vote integrity, vote secrecy, fairness, receipt freeness, individual and universal verifiability.