public override void HandlePacket(LobbyClient client, ServerPacket packet)
{
var reader = packet.Reader;
string realTag = reader.ReadUnicodeString(50);
uint accountPremium = reader.ReadUInt32();
ulong timeStamp = reader.ReadUInt64(), accountPermissions = reader.ReadUInt64();
for (int i = 0; i < 5; i++)
{
reader.ReadInt32();
}
ushort voicePortMin = reader.ReadUInt16(), voicePortMax = reader.ReadUInt16();
uint voiceAccountId = reader.ReadUInt32();
string voiceUsername = reader.ReadASCIIString(17), voiceKey = reader.ReadASCIIString(17);
RsaKeyParameters serverPub = WindowsRSA.ReadPublicKeyBlob(reader);
string countryCode = reader.ReadUnicodeString(), voiceURL = reader.ReadASCIIString();
var generator = new RsaKeyPairGenerator();
generator.Init(new KeyGenerationParameters(new SecureRandom(), 1024));
AsymmetricCipherKeyPair clientKeyPair = generator.GenerateKeyPair();
RsaKeyParameters clientPub = (RsaKeyParameters)clientKeyPair.Public;
client.ClientDecryptEngine = new Pkcs1Encoding(new RsaEngine());
client.ClientDecryptEngine.Init(false, clientKeyPair.Private);
byte[] clientPubBlob = WindowsRSA.CreatePublicKeyBlob(clientPub);
client.ServerEncryptEngine = new Pkcs1Encoding(new RsaEngine());
client.ServerEncryptEngine.Init(true, serverPub);
byte[] encryptedClientKey = WindowsRSA.EncryptData(client.ServerEncryptEngine, clientPubBlob);
client.SetEncryptionKey(client.SrpKey);
var keyExchange = new GC2LS_KEY_EXCHANGE(encryptedClientKey);
client.SendPacket(keyExchange);
client.OnLoginSuccess(client, null);
}
public override void HandlePacket(LobbyClient client, ServerPacket packet)
{
var reader = packet.Reader;
string realTag = reader.ReadUnicodeString(50);
uint accountPremium = reader.ReadUInt32();
ulong timeStamp = reader.ReadUInt64();
ulong accountPermissions = reader.ReadUInt64();
Log.Debug($"m_szRealTag = {realTag}");
Log.Debug($"m_nAccountPremium = {accountPremium}");
Log.Debug($"m_nTimestamp = {timeStamp}");
Log.Debug($"m_nAccountPermissions = {accountPermissions}");
for (int i = 0; i < 5; i++)
{
Log.Debug($"m_nConfigFileVersion[{i}] = {reader.ReadInt32()}");
}
ushort voicePortMin = reader.ReadUInt16();
ushort voicePortMax = reader.ReadUInt16();
uint voiceAccountId = reader.ReadUInt32();
string voiceUsername = reader.ReadASCIIString(17);
string voiceKey = reader.ReadASCIIString(17);
Log.Debug($"m_nVoicePortMin = {voicePortMin}");
Log.Debug($"m_nVoicePortMax = {voicePortMax}");
Log.Debug($"m_nVoiceAccountID = {voiceAccountId}");
Log.Debug($"m_szVoiceUsername = {voiceUsername}");
Log.Debug($"m_szUnknownVoiceKey = {voiceKey}");
// Read the server's public key
RsaKeyParameters serverPub = WindowsRSA.ReadPublicKeyBlob(reader);
// Read the rest of the packet data
string countryCode = reader.ReadUnicodeString();
string voiceURL = reader.ReadASCIIString();
Log.Debug($"m_nCountryCode = {countryCode}");
Log.Debug($"m_szVoiceURL = {voiceURL}");
// Create a new random RSA 1024 bit keypair for the client
var generator = new RsaKeyPairGenerator();
generator.Init(new KeyGenerationParameters(new SecureRandom(), 1024));
AsymmetricCipherKeyPair clientKeyPair = generator.GenerateKeyPair();
RsaKeyParameters clientPub = (RsaKeyParameters)clientKeyPair.Public;
// Create the decryption engine for later
client._clientDecryptEngine = new Pkcs1Encoding(new RsaEngine());
client._clientDecryptEngine.Init(false, clientKeyPair.Private);
// Put the client public key into the Microsoft Crypto API format
byte[] clientPubBlob = WindowsRSA.CreatePublicKeyBlob(clientPub);
// Create encryption engine with the server's public key
client._serverEncryptEngine = new Pkcs1Encoding(new RsaEngine());
client._serverEncryptEngine.Init(true, serverPub);
// Encrypt the client key blob to send to the server
byte[] encryptedClientKey = WindowsRSA.EncryptData(client._serverEncryptEngine, clientPubBlob);
// Use the SRP key we calculated before
client.SetEncryptionKey(client._srpKey);
var keyExchange = new GC2LS_KEY_EXCHANGE(encryptedClientKey);
client.SendPacket(keyExchange);
client.OnLoginSuccess(client, null);
}
