public void Test_Encrypt_Ballot_Simple_Succeeds()
{
// Configure the election context
var keypair = ElGamalKeyPair.FromSecret(Constants.TWO_MOD_Q);
var description = new Manifest(manifest_json);
var manifest = new InternalManifest(description);
var context = new CiphertextElectionContext(
1UL, 1UL, keypair.PublicKey, Constants.TWO_MOD_Q, manifest.ManifestHash);
var device = new EncryptionDevice(12345UL, 23456UL, 34567UL, "Location");
var mediator = new EncryptionMediator(manifest, context, device);
var ballot = new PlaintextBallot(plaintext_json);
// Act
var ciphertext = mediator.Encrypt(ballot);
// Assert
// a property
Assert.That(ciphertext.ObjectId == ballot.ObjectId);
// json serialization
var json = ciphertext.Json;
var fromJson = new CiphertextBallot(json);
Assert.That(ciphertext.ObjectId == fromJson.ObjectId);
// binary serialization
var bson = ciphertext.Bson;
var fromBson = CiphertextBallot.FromBson(bson);
Assert.That(ciphertext.ObjectId == fromBson.ObjectId);
// submitted ballot
var submitted = SubmittedBallot.From(ciphertext, BallotBoxState.cast);
Assert.That(ciphertext.ObjectId == submitted.ObjectId);
}
public void TestGuardianCreation()
{
var guardianApi = new GuardianClient("http://localhost:8001");
var mediatorApi = new MediatorClient("http://localhost:8000");
var edesc = JsonSerializer.Deserialize <ElectionDescription>(TestData.description2);
var guardians = new string[] { "A B", "C D", "E F", "G H", "I J" };
var glist = new List <Guardian>();
for (var i = 0; i < guardians.Length; i++)
{
glist.Add(guardianApi.Guardian(null, null, guardians[i], 5, 3, i));
}
var pkeys = glist.ConvertAll(g => g.election_key_pair.public_key).ToArray();
var r = mediatorApi.ElectionCombine(pkeys);
var ctxt = mediatorApi.ElectionContext(edesc, r.joint_key, 5, 3);
var ballots = new PlaintextBallot[4];
for (int i = 0; i < ballots.Length; i++)
{
ballots[i] = JsonSerializer.Deserialize <PlaintextBallot>(TestData.ballotData);
ballots[i].object_id = $"ballot-{i}";
}
var nonce = "110191403412906482859082647039385908787148325839889522238592336039604240167009";
var seed_hash = "110191403412906482859082647039385908787148325839889522238592336039604240167009";
var segments = new[] { ballots[0..2], ballots[2..4] };
public void Test_Ballot_Property_Getters()
{
// Arrange
string data = @"{""style_id"":""ballot-style-1"",""contests"":[{""ballot_selections"":[{""object_id"":""contest-1-selection-1-id"",""vote"":1},{""object_id"":""contest-1-selection-2-id"",""vote"":0},{""object_id"":""contest-1-selection-3-id"",""vote"":0}],""object_id"":""contest-1-id""},{""ballot_selections"":[{""object_id"":""contest-2-selection-1-id"",""vote"":1},{""object_id"":""contest-2-selection-2-id"",""vote"":0}],""object_id"":""contest-2-id""}],""object_id"":""ballot-id-123""}";
// Act
var ballot = new PlaintextBallot(data);
// Assert
// verify the ballot property accessors
var ballotId = ballot.ObjectId;
Assert.That(ballotId == "ballot-id-123");
// iterate over the contests in the ballot
for (ulong i = 0; i < ballot.ContestsSize; i++)
{
var contest = ballot.GetContestAt(i);
// verify the contest property accessors
var contestId = contest.ObjectId;
Assert.That(contestId == $"contest-{i + 1}-id");
// iterate over the selections in the contest
for (ulong j = 0; j < contest.SelectionsSize; j++)
{
var selection = contest.GetSelectionAt(j);
// verify the selection property accessors
var selectionId = selection.ObjectId;
Assert.That(selectionId == $"contest-{i + 1}-selection-{j+1}-id");
}
}
}
private PlaintextBallot Make_No_Ballot()
{
string data = @"{""ballot_style"":""ballot-style-1"",""contests"":[{""ballot_selections"":[{""object_id"":""contest-1-yes-selection-id"",""vote"":0},{""object_id"":""contest-1-no-selection-id"",""vote"":1}],""object_id"":""contest-1-id""},{""ballot_selections"":[{""object_id"":""contest-2-selection-1-id"",""vote"":1},{""object_id"":""contest-2-selection-2-id"",""vote"":0}],""object_id"":""contest-2-id""}],""object_id"":""ballot-id-123""}";;
PlaintextBallot plaintext = new PlaintextBallot(data);
return(plaintext);
}
public void Test_Compact_Encrypt_Ballot_Simple_Succeeds()
{
var keypair = ElGamalKeyPair.FromSecret(Constants.TWO_MOD_Q);
var description = new Manifest(jsonManifest);
var manifest = new InternalManifest(description);
var context = new CiphertextElectionContext(1UL, 1UL, keypair.PublicKey, Constants.TWO_MOD_Q, manifest.ManifestHash);
var device = new EncryptionDevice(12345UL, 23456UL, 34567UL, "Location");
var mediator = new EncryptionMediator(manifest, context, device);
var ballot = new PlaintextBallot(plaintext);
// Act
var compact = mediator.CompactEncrypt(ballot);
// Assert
Assert.That(compact.ObjectId == ballot.ObjectId);
var msgpack = compact.ToMsgPack();
var fromMsgpack = new CompactCiphertextBallot(msgpack);
Assert.That(compact.ObjectId == fromMsgpack.ObjectId);
}
public void Test_Ballot_Property_Getters()
{
// Act
var ballot = new PlaintextBallot(data);
// Assert
// verify the ballot property accessors
var ballotId = ballot.ObjectId;
Assert.That(ballotId == "ballot-id-123");
int index = 0;
// iterate over the contests in the ballot
foreach (var contest in ballot.Contests)
{
// verify the contest property accessors
var contestId = contest.ObjectId;
Assert.That(contestId == $"contest-{index + 1}-id");
var jindex = 0;
// iterate over the selections in the contest
foreach (var selection in contest.Selections)
{
// verify the selection property accessors
var selectionId = selection.ObjectId;
Assert.That(selectionId == $"contest-{index + 1}-selection-{jindex + 1}-id");
jindex++;
}
index++;
}
var bson = ballot.Bson;
var fromBson = PlaintextBallot.FromBson(bson);
Assert.That(ballot.ObjectId == fromBson.ObjectId);
}
void No_Ballot_Button_Clicked(System.Object sender, System.EventArgs e)
{
PlaintextBallot plaintext = Make_No_Ballot();
((Button)sender).Text = $"No-vote created!";
}
