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The Current State of Electronic V oting In Korea and Japan

The Current State of Electronic V oting In Korea and Japan. Asiacrypt 2003 Rump Session. Kyushu Univ. JAPAN Yong-Sork HER, Kouichi SAKURAI. 1/11. The latest voting rat io < A general election>. Japan. Korea. Date : April 13, 2000 Voting rat io 57.2 %. Date : Nov. 9, 2002

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The Current State of Electronic V oting In Korea and Japan

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  1. The Current State of Electronic Voting In Korea and Japan Asiacrypt 2003 Rump Session Kyushu Univ. JAPAN Yong-Sork HER, Kouichi SAKURAI 1/11

  2. The latest voting ratio< A general election> Japan Korea Date : April 13, 2000 Voting ratio 57.2 % Date : Nov. 9, 2002 Voting ratio 59.86 % 2/11

  3. Electronic-Voting • To prevent the losses by the conventional voting system • Using Network and cryptography techniques • Automatic and fast voting procedure • Untill it is realized the home–voting, Convenient place-voting…. 3/11

  4. Korea The Automatic Counting • In thePresidential-Election of Korea • < Dec.,19, 2002> • Reduction of counting time for • opening ballot From The Chosun Ilbo 4/11

  5. Okayama on 23, June (2002) Niimi city : A mayoral and a municipal election Japan • General voter • Absentee voter • Touch panel method like ATM • (Automated-teller Machine) of BANK. 5/11

  6. Necessity • - Japan election law : • If an absentee voter died or the loss of the right of casting • the ballot before Election Day, the ballot becomes • an invalid ballot. News • An Amendment of Japan’s election law (4. June,2003) • Although an absentee voter died before election day, • the ballot is a valid ballot. Japan election law in Okayama election 6/11

  7. E-voting procedure Inputs the IC card in voting terminal Receive IC-card Authentication Voting Store the contents of voter 7/11

  8. Analysis of Japan‘s e-voting Items The existed voting 1994 (Paper-voting) The electronic Voting 2002 Voting officer (43-voting place) 180-person 178-person Counting officer 85-person 58-person Admission member （入会人) 13-person 13-person • Counting time • Major • Councilman 3 hours 4 hours 25 minutes 25 minutes 25 minutes • Invalid ballots • Major • Councilman 242 214 0 0 Voting ratio 92.06 % 86.82 % Election costs \11,630,000 \16,460,000 8/11

  9. Analysis of Japan ‘s e-voting(Cont.) Candidate Group The ratio of votes obtained E-voting < General voter> Existing voting <Absentee voter> Candidate 1 78.4 % 69.6 % Candidate 2 9 % 11.5 % Candidate 3 5 % 13.3 % Candidate 4 7.6 % 5.6 % Total 100% <14,966 persons> 100 % <1719 persons> 9/11

  10. Comparison of Korea and Japan In real election Reservation Voting Counting KOREA Paper Voting E-voting JAPAN E-voting Paper Voting 10/11

  11. I think The E-voting will be realized in the future. Conclusion 11/11

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