Questions tagged [voting]

Voting is a method for a group such as a meeting or an electorate to make a decision or express an opinion.

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11
votes
1answer
5k views

Can Elgamal be made additively homomorphic and how could it be used for E-voting?

Elgamal is a cryptosystem that is homomorphic over multiplication. How can I convert it to an additive homomorphic cryptosystem? How can I use this additive homomorphic Elgamal cryptosystem for E-...
44
votes
2answers
5k views

How is the Swiss post e-voting system supposed to work, and how was it wrong?

I read that the Swiss post had an e-voting solution developed, made it possible to obtain the source code for review, and that vulnerabilities were found. Apparently we are not talking about the ...
3
votes
5answers
4k views

Approach towards anonymous e-voting

I want to implement an internet-based e-voting system. Voters shall be able to cast their vote for one out of n possible candidates. Each candidate has his own ballot-box kept by and at a trustworthy ...
6
votes
2answers
892 views

An electronic voting system

This semester I am taking the course Cryptography. I will have a presentation about the topic "Voting Scheme". I am preparing myself by reading from the book “Cryptography : an Introduction” by N....
2
votes
1answer
195 views

Why is this voting system not secure?

Why not have each person simply treated as a counterparty to an off-the-record chat? People show up in groups and show an ID which is cross-referenced against a central database to prevent Sybil ...
4
votes
1answer
172 views

What is chain voting?

I read The Three Ballot Voting System by Rivest. This paper-based voting system can be attacked with chain voting. But can't find any description of what "Chain voting" is mentioned in section 4.9. ...
4
votes
1answer
274 views

Have I made any glaring mistakes in my use of Yao's garbled circuits?

I would like to use garbled circuits to provide a service that allows people to vote where they do not need to reveal their votes to my server or to anyone else. Let's assume that I have secure ways ...