author | Christian Urban <christian dot urban at kcl dot ac dot uk> |
Mon, 29 Sep 2014 17:43:35 +0100 | |
changeset 185 | f10d905e947f |
parent 109 | b71ce151aba8 |
child 193 | a97b828bf87f |
permissions | -rw-r--r-- |
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\usepackage{amssymb} |
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\begin{document} |
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\section*{Homework 2} |
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\begin{enumerate} |
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\item Voice voting is the method of casting a vote in the `open air' for everyone |
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present to hear. Which of the following security requirements do paper ballots |
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satisfy \textbf{better} than voice voting? Check all that apply and give a brief explanation |
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for your decision. |
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\begin{itemize} |
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\item[$\Box$] Integrity |
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\item[$\Box$] Enfranchisement |
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\item[$\Box$] Ballot secrecy |
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\item[$\Box$] Voter authentication |
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\item[$\Box$] Availability |
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\end{itemize} |
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\item Explain how an attacker can use chain voting in order to influence the outcome of a |
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poll using paper ballots. |
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\item Which of the following mechanisms help with defending against chain voting? Check all |
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that apply. Give a brief reason for each defence that mitigates chain voting attacks. |
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\begin{itemize} |
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\item[$\Box$] Using a glass ballot box to make it clear there are no |
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ballots in the box before the start of the election. |
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\item[$\Box$] Distributing ballots publicly before the election. |
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\item[$\Box$] Checking that a voter's ID (drivers license, passport) matches the voter. |
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\item[$\Box$] Each ballot has a unique ID. When a voter is given a ballot, the ID is recorded. When the voter submits his or her ballot, this ID is checked against the record. |
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\end{itemize} |
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\item What is the main difference between online banking and e-voting? |
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(Hint: Why is the latter so hard to get secure?) |
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\end{enumerate} |
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\end{document} |
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