public void PingMessageTest()
{
var message = new PingMessage
{
FarAddress = _farAddress,
DestinationAddress = _nearAddress,
SourceAddress = _farAddress,
Version = _config.PingMessageVersion,
FarPublicKey = _privateKey.PublicKey,
ExpirationTime = _config.DiscoveryMsgExpiryTime + Timestamp.UnixUtcUntilNowMilisecs
};
var data = _messageSerializationService.Serialize(message);
var deserializedMessage = _messageSerializationService.Deserialize <PingMessage>(data);
Assert.AreEqual(message.MessageType, deserializedMessage.MessageType);
Assert.AreEqual(message.FarPublicKey, deserializedMessage.FarPublicKey);
Assert.AreEqual(message.ExpirationTime, deserializedMessage.ExpirationTime);
Assert.AreEqual(message.FarAddress, deserializedMessage.SourceAddress);
Assert.AreEqual(message.DestinationAddress, deserializedMessage.DestinationAddress);
Assert.AreEqual(message.SourceAddress, deserializedMessage.SourceAddress);
Assert.AreEqual(message.Version, deserializedMessage.Version);
Assert.IsNotNull(deserializedMessage.Mdc);
}
public void handling_hi_message_should_succeed()
{
_verifySignature = true;
InitSubprotocol();
var hiMessage = new HiMessage(1, TestItem.AddressC, TestItem.AddressD, TestItem.PublicKeyA,
new Signature(1, 1, 27));
var hiPacket = new Packet(hiMessage.Protocol, hiMessage.PacketType,
_messageSerializationService.Serialize(hiMessage));
_messageSerializationService.Deserialize <HiMessage>(hiPacket.Data).Returns(hiMessage);
var hash = Keccak.Compute(hiMessage.NodeId.Bytes);
_ecdsa.RecoverPublicKey(hiMessage.Signature, hash).Returns(TestItem.PublicKeyA);
_subprotocol.HandleMessage(hiPacket);
_ecdsa.Received().RecoverPublicKey(hiMessage.Signature, hash);
_subprotocol.ProviderAddress.Should().Be(hiMessage.ProviderAddress);
_subprotocol.ConsumerAddress.Should().Be(hiMessage.ConsumerAddress);
_consumerService.Received().AddProviderPeer(_subprotocol);
var getDataAssetsMessage = new GetDataAssetsMessage();
_messageSerializationService.Serialize(getDataAssetsMessage).Returns(Array.Empty <byte>());
var getDataAssetsPacket = new Packet(getDataAssetsMessage.Protocol, getDataAssetsMessage.PacketType,
_messageSerializationService.Serialize(getDataAssetsMessage));
_messageSerializationService.Deserialize <GetDataAssetsMessage>(getDataAssetsPacket.Data)
.Returns(getDataAssetsMessage);
Received.InOrder(() =>
{
_session.DeliverMessage(Arg.Any <GetDataAssetsMessage>());
_session.DeliverMessage(Arg.Any <GetDepositApprovalsMessage>());
});
}
protected T Deserialize <T>(byte[] data) where T : P2PMessage
{
try
{
return(_serializer.Deserialize <T>(data));
}
catch (RlpException e)
{
if (Logger.IsDebug)
{
Logger.Debug($"Failed to deserialize message {typeof(T).Name}, with exception {e}");
}
ReportIn($"{typeof(T).Name} - Deserialization exception");
throw;
}
}
private DiscoveryMessage Deserialize(MessageType type, byte[] msg)
{
switch (type)
{
case MessageType.Ping:
return(_messageSerializationService.Deserialize <PingMessage>(msg));
case MessageType.Pong:
return(_messageSerializationService.Deserialize <PongMessage>(msg));
case MessageType.FindNode:
return(_messageSerializationService.Deserialize <FindNodeMessage>(msg));
case MessageType.Neighbors:
return(_messageSerializationService.Deserialize <NeighborsMessage>(msg));
default:
throw new Exception($"Unsupported messageType: {type}");
}
}
public void PingFormatTest()
{
var encodedPing = "e9614ccfd9fc3e74360018522d30e1419a143407ffcce748de3e22116b7e8dc92ff74788c0b6663a" +
"aa3d67d641936511c8f8d6ad8698b820a7cf9e1be7155e9a241f556658c55428ec0563514365799a" +
"4be2be5a685a80971ddcfa80cb422cdd0101ec04cb847f000001820cfa8215a8d790000000000000" +
"000000000000000000018208ae820d058443b9a3550102";
var ping = _messageSerializationService.Deserialize <PingMessage>(Bytes.FromHexString(encodedPing));
Assert.AreEqual(4, ping.Version);
encodedPing = "577be4349c4dd26768081f58de4c6f375a7a22f3f7adda654d1428637412c3d7fe917cadc56d4e5e" +
"7ffae1dbe3efffb9849feb71b262de37977e7c7a44e677295680e9e38ab26bee2fcbae207fba3ff3" +
"d74069a50b902a82c9903ed37cc993c50001f83e82022bd79020010db83c4d001500000000abcdef" +
"12820cfa8215a8d79020010db885a308d313198a2e037073488208ae82823a8443b9a355c5010203" +
"040531b9019afde696e582a78fa8d95ea13ce3297d4afb8ba6433e4154caa5ac6431af1b80ba7602" +
"3fa4090c408f6b4bc3701562c031041d4702971d102c9ab7fa5eed4cd6bab8f7af956f7d565ee191" +
"7084a95398b6a21eac920fe3dd1345ec0a7ef39367ee69ddf092cbfe5b93e5e568ebc491983c09c7" +
"6d922dc3";
ping = _messageSerializationService.Deserialize <PingMessage>(Bytes.FromHexString(encodedPing));
Assert.AreEqual(555, ping.Version);
}
public void Can_decrypt_auth_eip8_message_with_additional_elements()
{
Hex hex = "01b8044c6c312173685d1edd268aa95e1d495474c6959bcdd10067ba4c9013df9e40ff45f5bfd6f7" +
"2471f93a91b493f8e00abc4b80f682973de715d77ba3a005a242eb859f9a211d93a347fa64b597bf" +
"280a6b88e26299cf263b01b8dfdb712278464fd1c25840b995e84d367d743f66c0e54a586725b7bb" +
"f12acca27170ae3283c1073adda4b6d79f27656993aefccf16e0d0409fe07db2dc398a1b7e8ee93b" +
"cd181485fd332f381d6a050fba4c7641a5112ac1b0b61168d20f01b479e19adf7fdbfa0905f63352" +
"bfc7e23cf3357657455119d879c78d3cf8c8c06375f3f7d4861aa02a122467e069acaf513025ff19" +
"6641f6d2810ce493f51bee9c966b15c5043505350392b57645385a18c78f14669cc4d960446c1757" +
"1b7c5d725021babbcd786957f3d17089c084907bda22c2b2675b4378b114c601d858802a55345a15" +
"116bc61da4193996187ed70d16730e9ae6b3bb8787ebcaea1871d850997ddc08b4f4ea668fbf3740" +
"7ac044b55be0908ecb94d4ed172ece66fd31bfdadf2b97a8bc690163ee11f5b575a4b44e36e2bfb2" +
"f0fce91676fd64c7773bac6a003f481fddd0bae0a1f31aa27504e2a533af4cef3b623f4791b2cca6" +
"d490";
byte[] allBytes = hex;
byte[] sizeBytes = allBytes.Slice(0, 2);
int size = sizeBytes.ToInt32();
byte[] deciphered = _eciesCipher.Decrypt(NetTestVectors.StaticKeyB, allBytes.Slice(2, size), sizeBytes);
AuthEip8Message authMessage = _messageSerializationService.Deserialize <AuthEip8Message>(deciphered);
Assert.AreEqual(authMessage.PublicKey, NetTestVectors.StaticKeyA.PublicKey);
Assert.AreEqual(authMessage.Nonce, NetTestVectors.NonceA);
Assert.AreEqual(authMessage.Version, 4);
Assert.NotNull(authMessage.Signature);
}
public void PingMessageTest()
{
var message = new PingMessage
{
FarAddress = _farAddress,
DestinationAddress = _nearAddress,
SourceAddress = _farAddress,
Version = _config.PingMessageVersion,
FarPublicKey = _privateKey.PublicKey,
ExpirationTime = 60 + (long)_timestamper.EpochMilliseconds
};
var data = _messageSerializationService.Serialize(message);
var deserializedMessage = _messageSerializationService.Deserialize <PingMessage>(data);
Assert.AreEqual(message.MessageType, deserializedMessage.MessageType);
Assert.AreEqual(message.FarPublicKey, deserializedMessage.FarPublicKey);
Assert.AreEqual(message.ExpirationTime, deserializedMessage.ExpirationTime);
Assert.AreEqual(message.FarAddress, deserializedMessage.SourceAddress);
Assert.AreEqual(message.DestinationAddress, deserializedMessage.DestinationAddress);
Assert.AreEqual(message.SourceAddress, deserializedMessage.SourceAddress);
Assert.AreEqual(message.Version, deserializedMessage.Version);
Assert.IsNotNull(deserializedMessage.Mdc);
}
public void PingMessageTest()
{
var message = new PingMessage
{
FarAddress = _farAddress,
DestinationAddress = _nearAddress,
SourceAddress = _farAddress,
FarPublicKey = _privateKey.PublicKey,
ExpirationTime = 60 + (long)_timestamper.EpochMilliseconds
};
var data = _messageSerializationService.Serialize(message);
var deserializedMessage = _messageSerializationService.Deserialize <PingMessage>(data);
Assert.AreEqual(message.MessageType, deserializedMessage.MessageType);
Assert.AreEqual(message.FarPublicKey, deserializedMessage.FarPublicKey);
Assert.AreEqual(message.ExpirationTime, deserializedMessage.ExpirationTime);
Assert.AreEqual(message.FarAddress, deserializedMessage.SourceAddress);
Assert.AreEqual(message.DestinationAddress, deserializedMessage.DestinationAddress);
Assert.AreEqual(message.SourceAddress, deserializedMessage.SourceAddress);
Assert.AreEqual(message.Version, deserializedMessage.Version);
byte[] expectedPingMdc = Bytes.FromHexString("0xf8c61953f3b94a91aefe611e61dd74fe26aa5c969d9f29b7e063e6169171a772");
Assert.IsNotNull(expectedPingMdc);
}
private void Test <T>(T message) where T : P2PMessage
{
message.Protocol.Should().Be("ndm");
FieldInfo fieldInfo = typeof(NdmMessageCode).GetField(message.GetType().Name.Replace("Message", string.Empty), BindingFlags.Static | BindingFlags.Public);
message.PacketType.Should().Be((int)fieldInfo.GetValue(null));
byte[] firstSer = _service.Serialize(message);
byte[] secondSer = _service.Serialize(_service.Deserialize <T>(firstSer));
firstSer.Should().BeEquivalentTo(secondSer, typeof(T).Name + " -> " + firstSer.ToHexString());
}
public Packet Ack(EncryptionHandshake handshake, Packet auth)
{
handshake.AuthPacket = auth;
AuthMessageBase authMessage;
bool preEip8Format = false;
byte[] plainText = null;
try
{
if (_logger.IsTrace)
{
_logger.Trace($"Trying to decrypt an old version of {nameof(AuthMessage)}");
}
(preEip8Format, plainText) = _eciesCipher.Decrypt(_privateKey, auth.Data);
}
catch (Exception ex)
{
if (_logger.IsTrace)
{
_logger.Trace($"Exception when decrypting ack {ex.Message}");
}
}
if (preEip8Format)
{
authMessage = _messageSerializationService.Deserialize <AuthMessage>(plainText);
}
else
{
if (_logger.IsTrace)
{
_logger.Trace($"Trying to decrypt version 4 of {nameof(AuthEip8Message)}");
}
byte[] sizeData = auth.Data.Slice(0, 2);
(_, plainText) = _eciesCipher.Decrypt(_privateKey, auth.Data.Slice(2), sizeData);
authMessage = _messageSerializationService.Deserialize <AuthEip8Message>(plainText);
}
var nodeId = authMessage.PublicKey;
if (_logger.IsTrace)
{
_logger.Trace($"Received AUTH v{authMessage.Version} from {nodeId}");
}
handshake.RemoteNodeId = nodeId;
handshake.RecipientNonce = _cryptoRandom.GenerateRandomBytes(32);
handshake.EphemeralPrivateKey = _ephemeralGenerator.Generate();
handshake.InitiatorNonce = authMessage.Nonce;
byte[] staticSharedSecret = Proxy.EcdhSerialized(handshake.RemoteNodeId.Bytes, _privateKey.KeyBytes);
byte[] forSigning = staticSharedSecret.Xor(handshake.InitiatorNonce);
handshake.RemoteEphemeralPublicKey = _ecdsa.RecoverPublicKey(authMessage.Signature, new Keccak(forSigning));
byte[] data;
if (preEip8Format)
{
if (_logger.IsTrace)
{
_logger.Trace($"Building an {nameof(AckMessage)}");
}
AckMessage ackMessage = new AckMessage();
ackMessage.EphemeralPublicKey = handshake.EphemeralPrivateKey.PublicKey;
ackMessage.Nonce = handshake.RecipientNonce;
var ackData = _messageSerializationService.Serialize(ackMessage);
data = _eciesCipher.Encrypt(handshake.RemoteNodeId, ackData, Array.Empty <byte>());
}
else
{
if (_logger.IsTrace)
{
_logger.Trace($"Building an {nameof(AckEip8Message)}");
}
AckEip8Message ackMessage = new AckEip8Message();
ackMessage.EphemeralPublicKey = handshake.EphemeralPrivateKey.PublicKey;
ackMessage.Nonce = handshake.RecipientNonce;
var ackData = _messageSerializationService.Serialize(ackMessage);
int size = ackData.Length + 32 + 16 + 65; // data + MAC + IV + pub
byte[] sizeBytes = size.ToBigEndianByteArray().Slice(2, 2);
data = Bytes.Concat(sizeBytes, _eciesCipher.Encrypt(handshake.RemoteNodeId, ackData, sizeBytes));
}
handshake.AckPacket = new Packet(data);
SetSecrets(handshake, HandshakeRole.Recipient);
return(handshake.AckPacket);
}
protected T Deserialize <T>(byte[] data) where T : P2PMessage
{
return(_serializer.Deserialize <T>(data));
}
public Packet Ack(EncryptionHandshake handshake, Packet auth)
{
handshake.AuthPacket = auth;
AuthMessageBase authMessage;
bool isOld = false;
try
{
_logger.Info($"Trying to decrypt an old version of {nameof(AuthMessage)}");
byte[] plaintextOld = _eciesCipher.Decrypt(_privateKey, auth.Data);
authMessage = _messageSerializationService.Deserialize <AuthMessage>(plaintextOld);
isOld = true;
}
catch (Exception)
{
_logger.Info($"Trying to decrypt version 4 of {nameof(AuthEip8Message)}");
byte[] sizeData = auth.Data.Slice(0, 2);
byte[] plaintext = _eciesCipher.Decrypt(_privateKey, auth.Data.Slice(2), sizeData);
authMessage = _messageSerializationService.Deserialize <AuthEip8Message>(plaintext);
}
var nodeId = new NodeId(authMessage.PublicKey);
_logger.Debug($"Received AUTH v{authMessage.Version} from {nodeId}");
handshake.RemoteNodeId = nodeId;
handshake.RecipientNonce = _cryptoRandom.GenerateRandomBytes(32);
handshake.EphemeralPrivateKey = new PrivateKey(_cryptoRandom.GenerateRandomBytes(32));
handshake.InitiatorNonce = authMessage.Nonce;
byte[] staticSharedSecret = BouncyCrypto.Agree(_privateKey, handshake.RemoteNodeId.PublicKey);
byte[] forSigning = staticSharedSecret.Xor(handshake.InitiatorNonce);
handshake.RemoteEphemeralPublicKey = _signer.RecoverPublicKey(authMessage.Signature, new Keccak(forSigning));
byte[] ackData;
if (isOld) // what was the difference? shall I really include ephemeral public key in v4?
{
_logger.Debug($"Building an {nameof(AckMessage)}");
AckMessage ackMessage = new AckMessage();
ackMessage.EphemeralPublicKey = handshake.EphemeralPrivateKey.PublicKey;
ackMessage.Nonce = handshake.RecipientNonce;
ackData = _messageSerializationService.Serialize(ackMessage);
}
else
{
_logger.Debug($"Building an {nameof(AckEip8Message)}");
AckEip8Message ackMessage = new AckEip8Message();
ackMessage.EphemeralPublicKey = handshake.EphemeralPrivateKey.PublicKey;
ackMessage.Nonce = handshake.RecipientNonce;
ackData = _messageSerializationService.Serialize(ackMessage);
}
int size = ackData.Length + 32 + 16 + 65; // data + MAC + IV + pub
byte[] sizeBytes = size.ToBigEndianByteArray().Slice(2, 2);
byte[] packetData = _eciesCipher.Encrypt(handshake.RemoteNodeId.PublicKey, ackData, sizeBytes);
handshake.AckPacket = new Packet(Bytes.Concat(sizeBytes, packetData));
SetSecrets(handshake, EncryptionHandshakeRole.Recipient);
return(handshake.AckPacket);
}