private void SetUpAllHonest(int n, int f) { _deliveryService = new DeliveryService(); _broadcasts = new IConsensusProtocol[n]; _broadcasters = new IConsensusBroadcaster[n]; _resultInterceptors = new ProtocolInvoker <BinaryAgreementId, bool> [n]; _privateKeys = new IPrivateConsensusKeySet[n]; var keygen = new TrustedKeyGen(n, f); var shares = keygen.GetPrivateShares().ToArray(); var pubKeys = new PublicKeySet(shares.Select(share => share.GetPublicKeyShare()), f); _publicKeys = new PublicConsensusKeySet(n, f, null !, pubKeys, Enumerable.Empty <ECDSAPublicKey>()); for (var i = 0; i < n; ++i) { _resultInterceptors[i] = new ProtocolInvoker <BinaryAgreementId, bool>(); _privateKeys[i] = new PrivateConsensusKeySet(null !, null !, shares[i]); _broadcasters[i] = new BroadcastSimulator(i, _publicKeys, _privateKeys[i], _deliveryService, true); } for (uint i = 0; i < n; ++i) { _broadcasts[i] = new BinaryAgreement(new BinaryAgreementId(0, 0), _publicKeys, _broadcasters[i]); _broadcasters[i].RegisterProtocols(new[] { _broadcasts[i], _resultInterceptors[i] }); } }
public void ThresholdKeyGen() { const int n = 7, f = 2; var keygen = new TrustedKeyGen(n, f); var shares = keygen.GetPrivateShares().ToArray(); var data = 0xdeadbeef.ToBytes().ToArray(); var pubKeys = new PublicKeySet(shares.Select(share => share.GetPublicKeyShare()), f); var signers = new IThresholdSigner[n]; for (var i = 0; i < n; ++i) { signers[i] = new ThresholdSigner(data, shares[i], pubKeys); } var signatureShares = signers.Select(signer => signer.Sign()).ToArray(); var sigs = new Signature[n]; var success = new bool[n]; for (var i = 0; i < n; ++i) success[i] = true; for (var i = 0; i < n; ++i) { for (var j = 0; j < n; ++j) { success[i] &= signers[i].AddShare(j, signatureShares[j], out var sig); if (sigs[i] == null && sig != null) sigs[i] = sig; } } for (int i = 0; i < n; ++i) { Assert.IsTrue(success[i], $"Player {i} did not terminate successfully"); Assert.IsTrue(pubKeys.SharedPublicKey.ValidateSignature(sigs[i], data)); } }
public void SetUp(int n, int f) { _deliveryService = new DeliveryService(); _broadcasts = new IConsensusProtocol[n]; _broadcasters = new IConsensusBroadcaster[n]; _resultInterceptors = new ProtocolInvoker <HoneyBadgerId, ISet <IRawShare> > [n]; var keygen = new TrustedKeyGen(n, f); var shares = keygen.GetPrivateShares().ToArray(); var pubKeys = new PublicKeySet(shares.Select(share => share.GetPublicKeyShare()), f); var tpkeKeygen = new Crypto.TPKE.TrustedKeyGen(n, f); var ecdsaKeys = Enumerable.Range(0, n) .Select(i => Crypto.GenerateRandomBytes(32)) .Select(x => x.ToPrivateKey()) .Select(k => new EcdsaKeyPair(k)) .ToArray(); _publicKeys = new PublicConsensusKeySet(n, f, tpkeKeygen.GetPubKey(), pubKeys, ecdsaKeys.Select(k => k.PublicKey)); _privateKeys = new IPrivateConsensusKeySet[n]; for (var i = 0; i < n; ++i) { _resultInterceptors[i] = new ProtocolInvoker <HoneyBadgerId, ISet <IRawShare> >(); _privateKeys[i] = new PrivateConsensusKeySet(ecdsaKeys[i], tpkeKeygen.GetPrivKey(i), shares[i]); _broadcasters[i] = new BroadcastSimulator(i, _publicKeys, _privateKeys[i], _deliveryService, true); } }
public void ThresholdKeyGen() { var keygen = new TrustedKeyGen(N, F); var pubKey = keygen.GetPubKey(); // var verificationKey = keygen.GetVerificationKey(); var privKeyTmp = new List <PrivateKey>(); for (var i = 0; i < N; ++i) { privKeyTmp.Add(keygen.GetPrivKey(i)); } var privKey = privKeyTmp.ToArray(); var len = _rnd.Next() % 100 + 1; var data = new byte[len]; _rnd.NextBytes(data); var share = new RawShare(data, Id); var enc = pubKey.Encrypt(share); var chosen = new HashSet <int>(); while (chosen.Count < F) { chosen.Add(_rnd.Next(0, N - 1)); } var parts = new List <PartiallyDecryptedShare>(); foreach (var dec in chosen.Select(i => privKey[i].Decrypt(enc))) { // Assert.True(verificationKey.Verify(enc, dec)); parts.Add(dec); } var share2 = pubKey.FullDecrypt(enc, parts); Assert.AreEqual(share.Id, share2.Id); for (var i = 0; i < len; ++i) { Assert.AreEqual(share.Data[i], share2.Data[i]); } }
public void SetUp(int n, int f) { var keygen = new TrustedKeyGen(n, f); var shares = keygen.GetPrivateShares().ToArray(); var pubKeys = new PublicKeySet(shares.Select(share => share.GetPublicKeyShare()), f); _deliveryService = new DeliveryService(); _coins = new IConsensusProtocol[n]; _broadcasters = new IConsensusBroadcaster[n]; _resultInterceptors = new ProtocolInvoker <CoinId, CoinResult> [n]; _wallets = new IPrivateConsensusKeySet[n]; _publicKeys = new PublicConsensusKeySet(n, f, null !, pubKeys, Enumerable.Empty <ECDSAPublicKey>()); for (var i = 0; i < n; ++i) { _resultInterceptors[i] = new ProtocolInvoker <CoinId, CoinResult>(); _wallets[i] = new PrivateConsensusKeySet(null !, null !, shares[i]); _broadcasters[i] = new BroadcastSimulator(i, _publicKeys, _wallets[i], _deliveryService, false); _coins[i] = new CommonCoin( new CoinId(0, 0, 0), _publicKeys, shares[i], _broadcasters[i] ); _broadcasters[i].RegisterProtocols(new[] { _coins[i], _resultInterceptors[i] }); } }