We present new results in the areas of cryptography and voting systems. 1. Pattern matching encryption: We present new, general definitions for queryable encryption schemes – encryption schemes that allow evaluation of private queries on encrypted data without performing full decryption. We construct an efficient queryable encryption scheme supporting pattern matching queries, based on suffix t...

This paper compares the relative merit in realistic versus lab style experiments for testing voting technology. By analyzing three voting experiments, we describe the value of realistic settings in showing the enormous challenges for voting process control and consistent voting experiences. The methodology developed for this type of experiment will help other researchers to test polling place p...

In this paper, we examine the attitudes of voters regarding the voting experience in the 2009 gubernatorial elections in New Jersey and Virginia. We focus especially on the way in which voting technology experiences that voters have had affect their confidence in the voting process, their attitudes toward fraud and reform, and other aspects of the voting process. We find that voters are sensiti...

We will analyze indirect weighted voting systems as the Council of the European Union and examine fair distributions of voting weights for the delegates, representing voting bodies of size n1, . . . , nm, applying a mixed fairness model. We will see that using a specific quota jointly with mixed voting weights yields a concordance of voting powers and voting weights. We will prove this result a...

Electronic voting (e-voting) systems can greatly enhance the efficiency, and potentially, the transparency of national elections. However, the security of such systems is an area of on-going research. The literature for secure e-voting is predominantly concerned with 1-out-of-m voting strategies, where m is the number of candidates running for the elections. This paper presents a case study of ...

Practically, e-voting should comply with the social acceptance, technology and law. Many believe that e-voting is better than manual voting, as the former has less manual involvement. It is also believed that it is more secure and transparent. However, some security attacks may be launched which result in breaking both voting and e-voting requirements. In this paper, we discuss some aspects of ...

An increasing number of elections have been performed using Online Voting including Estonia, Canada, Norway and Switzerland. In October 2005, Estonia organized countrywide remote e-voting. Every Estonian citizen got the opportunity to cast their vote via Internet from all over the world. Approximately 2% of actual voters made use of this opportunity. Different countries are also working on to d...

Electronic voting is a prime application of cryptographic tools. Many researches are addressing election or confidence voting in this area. We address a new type of voting scheme “Divisible Voting Scheme,” in which each voter has multiple ballots where the number of ballots can be different among the voters. This type of voting is popular. We first define the divisible voting scheme and show na...

Voting is commonly used as a method for aggregating information in crowdsourcing and human computation. In many settings, one would like to use voting rules which can be efficiently elicited, preserve voter privacy, and are robust to strategic manipulation. In this paper, we give algorithms which elicit approximate winners in a way which provably satisfies all three of these requirements simult...

The goal of this research was to assess the usability of a voting system designed for current-generation smartphones. Smartphones offer remote participation in elections through the use of pervasive technology and voting on these devices could, among other benefits, increase voter participation while allowing voters to use familiar technology. We developed a mobile voting system for the iPhone ...