private MTObject Accept(IAuthorizationSession session, MTPQInnerData req)
{
MTObject result = null;
var m_dhPrime = session.DhGetPrime();
var m_a = session.NewDh_ma();
var m_g = session.Dh_mg();
var m_gA = new BigInteger(m_g.ToString()).ModPow(m_a, new BigInteger(1, m_dhPrime));
session.Data.SetNewNoce(req.NewNonce);
session.Data.SetDh_ma(m_a);
session.Data.Set_mgA(m_gA);
var data = new MTServerDhInnerData();
data.ServerTime = (int)(DateTimeHelper.CurrentMsecsFromEpoch() / 1000ul);
data.Nonce = req.Nonce;
data.ServerNonce = req.ServerNonce;
data.G = m_g;
data.DhPrime = m_dhPrime;
data.GA = m_gA.ToByteArray();
var inner_data = data.ToByteArray();
var sha = inner_data.sha1();
var length = sha.Length + inner_data.Length;
byte[] padding = new byte[] { };
if (length % 16 != 0)
{
padding = new byte[16 - (length % 16)];
}
try
{
var message = sha.Concat(inner_data).Concat(padding).ToArray();
var encryptedAnswer = session.EncryptWithServerNonce(req.ServerNonce.ToByteArray()
, req.NewNonce.ToByteArray()
, message);
result = new MTServerDhParamsOk
{
EncryptedAnswer = encryptedAnswer,
Nonce = req.Nonce,
ServerNonce = req.ServerNonce
};
}
catch (Exception err)
{
this.logger.LogDebug(
$"An error occured while trying to accept 'ReqDHParams': {err.Message}");
}
return(result);
}
public NetworkAuthorizationRequiredEventsArgs(Settings.IAccount account, IAuthorizationSession session)
{
this.session = session;
this.Account = account;
}
