Abstract
In this paper, we propose a new commitment key generation method for the mixnet shuffle proof developed by Bayer-Groth in Eurocrypt’ 12. The problem of the shuffle proof algorithm is that it gives too much power to a single authority: It has been shown that the authority, who creates commitment keys and generates proofs for verifying electronic voting (e-voting) results, also can produce malicious verification proofs by logging the exponents of commitment keys. We suggest a new way to decentralize the commitment key generation process by allowing multiple parties to jointly participate in the commitment key generation. Therefore, any of the parties, even who operating e-voting system, cannot know the exponents of commitment keys fully. Therefore, our suggestion distributes the power that is concentrated on the single authority and makes the verification process of the proof more sound and prudent.
Original language | English |
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Title of host publication | Information Security Applications - 20th International Conference, WISA 2019, Revised Selected Papers |
Editors | Ilsun You |
Publisher | Springer |
Pages | 206-216 |
Number of pages | 11 |
ISBN (Print) | 9783030393021 |
DOIs | |
State | Published - 2020 |
Event | 20th World Conference on Information Security Applications, WISA 2019 - Jeju Island, Korea, Republic of Duration: 21 Aug 2019 → 24 Aug 2019 |
Publication series
Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
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Volume | 11897 LNCS |
ISSN (Print) | 0302-9743 |
ISSN (Electronic) | 1611-3349 |
Conference
Conference | 20th World Conference on Information Security Applications, WISA 2019 |
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Country/Territory | Korea, Republic of |
City | Jeju Island |
Period | 21/08/19 → 24/08/19 |
Bibliographical note
Publisher Copyright:© 2020, Springer Nature Switzerland AG.
Keywords
- Commitment
- E-voting
- Multi-party computation