internal void SendEncryptionRequest()
{
//Console.WriteLine("Authentication hash: {0}", Server.ServerHash);
byte[] publicKey = PacketCryptography.PublicKeyToAsn1(Server.ServerKey);
//byte[] publicKey = AsnKeyBuilder.PublicKeyToX509(Server.ServerKey).GetBytes();
//byte[] publicKey = PacketCryptography.PublicKeyToAsn1((RsaKeyParameters) Server.ServerKey.Public);
short keyLength = (short)publicKey.Length;
byte[] token = PacketCryptography.GetRandomToken();
short tokenLength = (short)token.Length;
Console.WriteLine("Public Key Length: {0}", keyLength);
Console.WriteLine("Public Key: {0}", BitConverter.ToString(publicKey));
Console.WriteLine("Token Length: {0}", tokenLength);
Console.WriteLine("Token: {0}", BitConverter.ToString(token));
Console.WriteLine("");
Send_Sync_Packet(new EncryptionKeyRequest
{
ServerId = ConnectionId,
PublicKey = publicKey,
PublicKeyLength = keyLength,
VerifyToken = token,
VerifyTokenLength = tokenLength
});
Token = token;
}
public static bool IsAuthenticated(Client client)
{
if (client.Server.UseOfficalAuthentication)
{
try
{
var uri = new Uri(
String.Format(
"http://session.minecraft.net/game/checkserver.jsp?user={0}&serverId={1}",
client.Username,
// As per http://mc.kev009.com/Protocol_Encryption
PacketCryptography.JavaHexDigest(Encoding.UTF8.GetBytes(client.ConnectionId)
.Concat(client.SharedKey)
.Concat(PacketCryptography.PublicKeyToAsn1(client.Server.ServerKey))
.ToArray())
));
string authenticated = Http.GetHttpResponse(uri);
if (authenticated != "YES")
{
client.Kick("Authentication failed");
return(false);
}
}
catch (Exception exc)
{
client.Kick("Error while authenticating...");
client.Logger.Log(exc);
return(false);
}
return(true);
}
return(true);
}