87 lines
2.8 KiB
JavaScript
87 lines
2.8 KiB
JavaScript
function getBytes(arr) {
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for(var i = 0; i < arr.length; i++) {
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arr[i] = parseInt(arr[i]);
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}
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return new Uint8Array(arr);
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}
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$( document ).ready(function() {
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$('.gp-2, .gp-3').hide();
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var n = 0;
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for (var i = 0; i <= 1; i++) {
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if ($('#handle'+i).val() != "") {
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n++;
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}
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}
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if (n == 2) {
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$('ballot-group'+i+' .gp-1').css('opacity','0.6');
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$('#retrieve-ballots').prop('disabled', true);
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$('ballot-group'+i+' .gp-2').show();
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}
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});
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$('#retrieve-ballots').click(function() {
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window.location = "/audit?handle="+$('#handle1').val()+'&handle2='+$('#handle2').val();
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});
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$('#begin-test').click(function() {
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var ctx = new CTX("BN254CX");
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var ciphertext = {
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C1: null,
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C2: null,
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r: null
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}
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var ballot = JSON.parse(sjcl.decrypt($('#SK').val(), $('#ballot').text()));
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var votes = ballot['encryptedVotes'];
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$('#ballot-content').text(JSON.stringify(votes));
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var voteNum = 0, optionNum = 0;
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// For each encrypted vote within the ballot...
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votes.forEach(function(vote) {
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voteNum++;
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$('#ballot-result').text($('#ballot-result').text() + "Vote " + voteNum + ": \n ");
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// For each encrypted fragment within the vote (i.e. the encoded vote for one option)...
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vote['fragments'].forEach(function(fragment) {
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optionNum++;
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$('#ballot-result').text($('#ballot-result').text() + "Option " + optionNum + ": \n ");
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var encoding = "";
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var C1Bytes = getBytes(fragment['C1'].split(","));
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var C2Bytes = getBytes(fragment['C2'].split(","));
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var rBytes = getBytes(fragment['r'].split(","));
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ciphertext.C1 = new ctx.ECP.fromBytes(C1Bytes);
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ciphertext.C2 = new ctx.ECP.fromBytes(C2Bytes);
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ciphertext.r = new ctx.BIG.fromBytes(rBytes);
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// For each pair of C1,C2 values (i.e. one ballot's ciphertext) and the randomness used in its encryption r,
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// test whether C2/(C1)^r = g^0 or g^1, and record g's exponent.
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//var c1 = ctx.PAIR.GTpow(ciphertext.C1, ciphertext.r);
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var B;
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var j;
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for (j = 0; j <= 1; j++) {
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//use D as temp var
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B = new ctx.BIG(j);
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D = ctx.PAIR.G1mul(params.g1,B);
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if (D.equals(gM)) {
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return {
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M:j
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}
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}
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};
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console.log("m = "+m);
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encoding += (m) ? "1" : "0";
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// Somehow, this string of 1s and 0s here needs to become _one_ 1 or 0 to signify whether the option was
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// voted for or not.
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$('#ballot-result').text($('#ballot-result').text() + encoding + "\n ");
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});
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});
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}); |