/// <summary> /// Create a new vote cast opeation. /// </summary> /// <param name="votingId">Id of the voting.</param> /// <param name="authorityFileName">Filename to save authority data.</param> /// <param name="authorityCertificate">Authority's certificate.</param> /// <param name="callBack">Callback upon completion.</param> public CreateSharePartOperation(Guid votingId, AuthorityCertificate authorityCertificate, string authorityFileName, CreateSharePartCallBack callBack) { this.votingId = votingId; this.authorityFileName = authorityFileName; this.authorityCertificate = authorityCertificate; this.callBack = callBack; }
/// <summary> /// Loads an authority's data from file. /// </summary> /// <param name="fileName">Name of file to load data from.</param> /// <param name="certificate">Authority's certificate.</param> public void LoadAuthority(string fileName, AuthorityCertificate certificate) { this.authorityEntity = new AuthorityEntity(this.certificateStorage, certificate, fileName); }
/// <summary> /// Authority creates share parts and pushes them to the server. /// </summary> /// <param name="votingId">Id of the voting.</param> /// <param name="authorityFileName">Filename to save authority data.</param> /// <param name="authorityCertificate">Authority's certificate.</param> /// <param name="callBack">Callback upon completion.</param> public void CreateSharePart(Guid votingId, AuthorityCertificate authorityCertificate, string authorityFileName, CreateSharePartCallBack callBack) { lock (this.operations) { this.operations.Enqueue(new CreateSharePartOperation(votingId, authorityCertificate, authorityFileName, callBack)); } }
/// <summary> /// Authority create partial deciphers push to server. /// </summary> /// <param name="votingId">Id of the voting.</param> /// <param name="authorityFileName">Filename to load authority data.</param> /// <param name="authorityCertificate">Authority's certificate.</param> /// <param name="askCallBack">Callback to ask for permission to partially decipher.</param> /// <param name="callBack">Callback upon completion.</param> public void CreateDeciphers(Guid votingId, AuthorityCertificate authorityCertificate, string authorityFileName, AskForPartiallyDecipherCallBack askCallBack, CreateDeciphersCallBack callBack) { lock (this.operations) { this.operations.Enqueue(new CreateDeciphersOperation(votingId, authorityCertificate, authorityFileName, askCallBack, callBack)); } }
/// <summary> /// Creates an authority entity. /// </summary> /// <param name="certificate">Certificate of the authority.</param> public void CreateAuthority(AuthorityCertificate certificate) { this.authorityEntity = new AuthorityEntity(this.certificateStorage, certificate); }
/// <summary> /// Authority check share parts from server. /// </summary> /// <param name="votingId">Id of the voting.</param> /// <param name="authorityFileName">Filename to load authority data.</param> /// <param name="authorityCertificate">Authority's certificate.</param> /// <param name="callBack">Callback upon completion.</param> public void CheckShares(Guid votingId, AuthorityCertificate authorityCertificate, string authorityFileName, CheckSharesCallBack callBack) { lock (this.operations) { this.operations.Enqueue(new CheckSharesOperation(votingId, authorityCertificate, authorityFileName, callBack)); } }
/// <summary> /// Create a new vote cast opeation. /// </summary> /// <param name="votingId">Id of the voting.</param> /// <param name="authorityFileName">Filename to save authority data.</param> /// <param name="authorityCertificate">Authority's certificate.</param> /// <param name="askCallBack">Callback to ask for permission to partially decipher.</param> /// <param name="callBack">Callback upon completion.</param> public CreateDeciphersOperation(Guid votingId, AuthorityCertificate authorityCertificate, string authorityFileName, AskForPartiallyDecipherCallBack askCallBack, CreateDeciphersCallBack callBack) { this.votingId = votingId; this.authorityFileName = authorityFileName; this.authorityCertificate = authorityCertificate; this.callBack = callBack; this.askCallBack = askCallBack; }
/// <summary> /// Get the index of an authority from certificate. /// </summary> /// <param name="certificate">Certificate of the authority.</param> /// <returns>Index of the authority.</returns> public int GetAuthorityIndex(AuthorityCertificate certificate) { if (certificate == null) throw new PiArgumentException(ExceptionCode.ArgumentNull, "Certificate is null."); if (certificate.Validate(this.certificateStorage) != CertificateValidationResult.Valid) throw new PiSecurityException(ExceptionCode.InvalidCertificate, "Authority certificate invalid."); MySqlCommand command = new MySqlCommand("SELECT AuthorityIndex FROM authority WHERE VotingId = @VotingId AND AuthorityId = @AuthorityId", DbConnection); command.Parameters.AddWithValue("@VotingId", this.parameters.VotingId.ToByteArray()); command.Parameters.AddWithValue("@AuthorityId", certificate.Id.ToByteArray()); MySqlDataReader reader = command.ExecuteReader(); if (reader.Read()) { int authorityIndex = reader.GetInt32(0); reader.Close(); return authorityIndex; } else { reader.Close(); throw new PiArgumentException(ExceptionCode.NoAuthorityWithCertificate, "No authority with that certificate."); } }
/// <summary> /// Creates a new authority entity, loading data from file. /// </summary> /// <param name="certificateStorage">Certificate storage.</param> /// <param name="certificate">Certificate of the authority.</param> /// <param name="authorityFileName">File name to load data from.</param> public AuthorityEntity(CertificateStorage certificateStorage, AuthorityCertificate certificate, string authorityFileName) { this.certificate = certificate; this.certificateStorage = certificateStorage; Load(authorityFileName); }
/// <summary> /// Create a new authority entity. /// </summary> /// <param name="certificate">Certificate of authority.</param> public AuthorityEntity(CertificateStorage certificateStorage, AuthorityCertificate certificate) { this.certificate = certificate; this.certificateStorage = certificateStorage; }
/// <summary> /// Creates a copy of the certificate. /// </summary> /// <param name="original">Original certificate to copy.</param> /// <param name="onlyPublicPart">Leave the private key out?</param> protected AuthorityCertificate(AuthorityCertificate original, bool onlyPublicPart) : base(original, onlyPublicPart) { this.fullName = original.fullName; }
/// <summary> /// Voting entity test. /// </summary> /// <remarks> /// Used only during development. /// </remarks> public void EntityTest() { IRpcConnection connection = new DummyConnection(); DateTime validUntil = DateTime.Now.AddDays(1); var root = new CACertificate(null, "Root"); root.CreateSelfSignature(); var rootCrl = new RevocationList(root.Id, DateTime.Now, validUntil, new List<Guid>()); var sigRootCrl = new Signed<RevocationList>(rootCrl, root); var intermediate = new CACertificate(null, "Intermediate"); intermediate.CreateSelfSignature(); intermediate.AddSignature(root, validUntil); var intCrl = new RevocationList(intermediate.Id, DateTime.Now, validUntil, new List<Guid>()); var sigIntCrl = new Signed<RevocationList>(intCrl, intermediate); var admin = new AdminCertificate(Language.English, null, "Admin"); admin.CreateSelfSignature(); admin.AddSignature(intermediate, DateTime.Now.AddDays(1)); var serverCert = new ServerCertificate("Server"); serverCert.CreateSelfSignature(); serverCert.AddSignature(intermediate, DateTime.Now.AddDays(1)); VotingParameters parameters = new VotingParameters( new MultiLanguageString("Zufrieden"), new MultiLanguageString("Tada"), new MultiLanguageString(string.Empty), DateTime.Now, DateTime.Now.AddDays(1), 0); parameters.GenerateNumbers(Files.TestDataPath); Question question = new Question(new MultiLanguageString("Zufrieden?"), new MultiLanguageString(string.Empty), new MultiLanguageString(string.Empty), 1); question.AddOption(new Option(new MultiLanguageString("Nein"), new MultiLanguageString("Dagegen"), new MultiLanguageString(string.Empty))); question.AddOption(new Option(new MultiLanguageString("Ja"), new MultiLanguageString("Dafür"), new MultiLanguageString(string.Empty))); parameters.AddQuestion(question); Signed<VotingParameters> signedParameters = new Signed<VotingParameters>(parameters, admin); DateTime start = DateTime.Now; Console.WriteLine(); Console.Write("Voting begins..."); CertificateStorage serverCertStorage = new CertificateStorage(); serverCertStorage.AddRoot(root); serverCertStorage.Add(intermediate); serverCertStorage.AddRevocationList(sigRootCrl); serverCertStorage.AddRevocationList(sigIntCrl); VotingServerEntity vs = new VotingServerEntity(null, signedParameters, serverCertStorage, serverCert); var a1c = new AuthorityCertificate(Language.English, "Authority 1", null); a1c.CreateSelfSignature(); a1c.AddSignature(intermediate, validUntil); var a2c = new AuthorityCertificate(Language.English, "Authority 2", null); a2c.CreateSelfSignature(); a2c.AddSignature(intermediate, validUntil); var a3c = new AuthorityCertificate(Language.English, "Authority 3", null); a3c.CreateSelfSignature(); a3c.AddSignature(intermediate, validUntil); var a4c = new AuthorityCertificate(Language.English, "Authority 4", null); a4c.CreateSelfSignature(); a4c.AddSignature(intermediate, validUntil); var a5c = new AuthorityCertificate(Language.English, "Authority 5", null); a5c.CreateSelfSignature(); a5c.AddSignature(intermediate, validUntil); var a1 = new AuthorityEntity(serverCertStorage, a1c); var a2 = new AuthorityEntity(serverCertStorage, a2c); var a3 = new AuthorityEntity(serverCertStorage, a3c); var a4 = new AuthorityEntity(serverCertStorage, a4c); var a5 = new AuthorityEntity(serverCertStorage, a5c); vs.AddAuthority(connection, a1.Certificate); vs.AddAuthority(connection, a2.Certificate); vs.AddAuthority(connection, a3.Certificate); vs.AddAuthority(connection, a4.Certificate); vs.AddAuthority(connection, a5.Certificate); a1.Prepare(1, vs.SignedParameters); a2.Prepare(2, vs.SignedParameters); a3.Prepare(3, vs.SignedParameters); a4.Prepare(4, vs.SignedParameters); a5.Prepare(5, vs.SignedParameters); a1.SetAuthorities(vs.AuthorityList); a2.SetAuthorities(vs.AuthorityList); a3.SetAuthorities(vs.AuthorityList); a4.SetAuthorities(vs.AuthorityList); a5.SetAuthorities(vs.AuthorityList); vs.DepositShares(connection, a1.GetShares()); vs.DepositShares(connection, a2.GetShares()); vs.DepositShares(connection, a3.GetShares()); vs.DepositShares(connection, a4.GetShares()); vs.DepositShares(connection, a5.GetShares()); var r1 = a1.VerifyShares(vs.GetAllShares()); var r2 = a2.VerifyShares(vs.GetAllShares()); var r3 = a3.VerifyShares(vs.GetAllShares()); var r4 = a4.VerifyShares(vs.GetAllShares()); var r5 = a5.VerifyShares(vs.GetAllShares()); vs.DepositShareResponse(connection, r1); vs.DepositShareResponse(connection, r2); vs.DepositShareResponse(connection, r3); vs.DepositShareResponse(connection, r4); vs.DepositShareResponse(connection, r5); var v1c = new VoterCertificate(Language.English, null, 0); v1c.CreateSelfSignature(); v1c.AddSignature(intermediate, validUntil); var cs = new CertificateStorage(); cs.AddRoot(root); var v1 = new VoterEntity(cs); IEnumerable<int> questionVota = new int[] { 0, 1 }; var vote1 = v1.Vote(vs.GetVotingMaterial(), v1c, new IEnumerable<int>[] { questionVota }, null); vs.Vote(connection, vote1); int voters = 10; for (int i = 1000; i < 1000 + voters; i++) { var vc = new VoterCertificate(Language.English, null, 0); vc.CreateSelfSignature(); vc.AddSignature(intermediate, validUntil); var vx = new VoterEntity(cs); IEnumerable<int> questionVota2 = new int[] { 0, 1 }; var votex = vx.Vote(vs.GetVotingMaterial(), vc, new IEnumerable<int>[] { questionVota2 }, null); vs.Vote(connection, votex); } for (int i = 2000; i < 2000 + voters; i++) { var vc = new VoterCertificate(Language.English, null, 0); vc.CreateSelfSignature(); vc.AddSignature(intermediate, validUntil); var vx = new VoterEntity(cs); IEnumerable<int> questionVota3 = new int[] { 1, 0 }; var votex = vx.Vote(vs.GetVotingMaterial(), vc, new IEnumerable<int>[] { questionVota3 }, null); vs.Vote(connection, votex); } vs.EndVote(); a1.TallyBegin(vs.GetVotingMaterial()); a2.TallyBegin(vs.GetVotingMaterial()); a3.TallyBegin(vs.GetVotingMaterial()); a4.TallyBegin(vs.GetVotingMaterial()); a5.TallyBegin(vs.GetVotingMaterial()); for (int envelopeIndex = 0; envelopeIndex < vs.GetEnvelopeCount(); envelopeIndex++) { a1.TallyAdd(envelopeIndex, vs.GetEnvelope(envelopeIndex), new Progress(null)); a2.TallyAdd(envelopeIndex, vs.GetEnvelope(envelopeIndex), new Progress(null)); a3.TallyAdd(envelopeIndex, vs.GetEnvelope(envelopeIndex), new Progress(null)); a4.TallyAdd(envelopeIndex, vs.GetEnvelope(envelopeIndex), new Progress(null)); a5.TallyAdd(envelopeIndex, vs.GetEnvelope(envelopeIndex), new Progress(null)); } var pd1 = a1.PartiallyDecipher(); var pd2 = a2.PartiallyDecipher(); var pd3 = a3.PartiallyDecipher(); var pd4 = a4.PartiallyDecipher(); var pd5 = a5.PartiallyDecipher(); vs.DepositPartialDecipher(connection, pd1); vs.DepositPartialDecipher(connection, pd2); vs.DepositPartialDecipher(connection, pd3); vs.DepositPartialDecipher(connection, pd4); vs.DepositPartialDecipher(connection, pd5); v1.TallyBegin(vs.GetVotingMaterial(), BaseParameters.StandardProofCount); for (int envelopeIndex = 0; envelopeIndex < vs.GetEnvelopeCount(); envelopeIndex++) { v1.TallyAdd(envelopeIndex, vs.GetEnvelope(envelopeIndex), new Progress(null)); } for (int authorityIndex = 1; authorityIndex < vs.Parameters.AuthorityCount + 1; authorityIndex++) { v1.TallyAddPartialDecipher(vs.GetPartialDecipher(authorityIndex)); } var res1 = v1.TallyResult; TimeSpan duration = DateTime.Now.Subtract(start); Console.WriteLine("Succeded {0}", duration.ToString()); }