A new multiple key cipher and an improved voting scheme
EUROCRYPT '89 Proceedings of the workshop on the theory and application of cryptographic techniques on Advances in cryptology
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
A Practical Secret Voting Scheme for Large Scale Elections
ASIACRYPT '92 Proceedings of the Workshop on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
Convertible Undeniable Signature Scheme
HPC-ASIA '97 Proceedings of the High-Performance Computing on the Information Superhighway, HPC-Asia '97
The undeniable multi-signature scheme suitable for joint copyright protection on digital contents
PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part III
The undeniable multi-signature scheme suitable for joint copyright protection on digital contents
PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part III
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In undeniable multi-signature scheme, a multi-signature can not be verified and disavowed without cooperation of all signers. The proposed voting scheme consists of four stages which are preparation, registration, voting and counting stages. Existing voting schemes assume that the voting center is trustful and untraceable channels are exist between voters and the voting center. To minimize the role of the voting center, the proposed scheme let multiple administrators to manage voting protocol. It also provides fair voting and counting stages. In voting and counting stages, a ballot can not be opened without help of all administrators. Before counting the ballot, they must confirm the undeniable multi-signature on it. Due to the undeniable property of the proposed scheme, voters can change their mind to whom they vote in registration stage. They can restart voting process by simply rejecting signature confirmation protocol launched by the voting manager.