/// <summary>
/// Генерация ключа авторизации
/// </summary>
/// <returns></returns>
private bool GenerateAuthKey(string address, int port)
{
using (var connection = new TcpConnection(address, port, _formatter))
{
connection.Connect(true);
var pns = new PlainMtProtoSession(connection);
_nonce = BigInteger.GenerateRandom(128);
var reqpq = new Combinator("req_pq", _nonce);
RpcAnswer result = pns.RpcCall(reqpq,
"resPQ nonce:int128 server_nonce:int128 pq:string server_public_key_fingerprints:Vector long = ResPQ");
if (!result.Success) throw new Exception(result.Error.ToString());
Combinator reqDhParams = ProcessPqAnswer(result.Combinator);
result = pns.RpcCall(reqDhParams,
"server_DH_params_ok nonce:int128 server_nonce:int128 encrypted_answer:string = Server_DH_Params",
"server_DH_params_fail nonce:int128 server_nonce:int128 new_nonce_hash:int128 = Server_DH_Params");
if (result.Combinator.Name == "server_DH_params_ok")
{
Combinator serverDhInnerData = ProcessDhParams(result.Combinator);
Combinator setClientDhParams = SetClientDhParams(serverDhInnerData);
result = pns.RpcCall(setClientDhParams,
"dh_gen_ok nonce:int128 server_nonce:int128 new_nonce_hash1:int128 = Set_client_DH_params_answer",
"dh_gen_retry nonce:int128 server_nonce:int128 new_nonce_hash2:int128 = Set_client_DH_params_answer",
"dh_gen_fail nonce:int128 server_nonce:int128 new_nonce_hash3:int128 = Set_client_DH_params_answer");
Thread.Sleep(100);
switch (result.Combinator.Name)
{
case "dh_gen_ok":
InitialSalt = CalculateInitialSalt(_newNonce, _serverNonce);
// Проверим new_nonce_hash1
bool res = CheckNewNonceHash(result.Combinator.Get<BigInteger>("new_nonce_hash1"), 1);
return res;
case "dh_gen_retry": // HACK: ретри не реализован
case "dh_gen_fail":
return false;
default:
return false;
}
}
return false;
}
}
public Provider(ApiSchema schema, string address, int port, string phone, ITelegramPersist persist)
{
_address = address;
_port = port;
_phone = phone;
_persist = persist;
_formatter = new Formatter();
Combinator.Setup(schema, _formatter);
_settings = LoadSettings();
_connection = new TcpConnection(_address, _port, _formatter);
}
public PlainMtProtoSession(TcpConnection connection)
{
_connection = connection;
_packetNumber = 0;
}
