private static TLPQInnerData GetInnerData(TLResPQ resPQ, TLInt256 newNonce, out TimeSpan calcTime, out Tuple <ulong, ulong> pqPair)
{
var pq = BitConverter.ToUInt64(resPQ.PQ.Reverse().ToArray(), 0); //NOTE: add Reverse here
TLUtils.WriteLine("pq: " + pq);
var pqCalcTime = Stopwatch.StartNew();
try
{
pqPair = Utils.GetFastPQ(pq);
pqCalcTime.Stop();
calcTime = pqCalcTime.Elapsed;
TLUtils.WriteLineAtBegin("Pq Fast calculation time: " + pqCalcTime.Elapsed);
TLUtils.WriteLine("p: " + pqPair.Item1);
TLUtils.WriteLine("q: " + pqPair.Item2);
}
catch (Exception e)
{
pqCalcTime = Stopwatch.StartNew();
pqPair = Utils.GetPQPollard(pq);
pqCalcTime.Stop();
calcTime = pqCalcTime.Elapsed;
TLUtils.WriteLineAtBegin("Pq Pollard calculation time: " + pqCalcTime.Elapsed);
TLUtils.WriteLine("p: " + pqPair.Item1);
TLUtils.WriteLine("q: " + pqPair.Item2);
}
var p = pqPair.Item1.FromUInt64();
var q = pqPair.Item2.FromUInt64();
var innerData1 = new TLPQInnerData
{
NewNonce = newNonce,
Nonce = resPQ.Nonce,
P = p,
Q = q,
PQ = resPQ.PQ,
ServerNonce = resPQ.ServerNonce
};
return(innerData1);
}
public static TLString GetEncryptedInnerData(TLPQInnerData innerData, string publicKey)
{
var innerDataBytes = innerData.ToBytes();
#if LOG_REGISTRATION
var sb = new StringBuilder();
sb.AppendLine();
sb.AppendLine("pq " + innerData.PQ.ToBytes().Length);
sb.AppendLine("p " + innerData.P.ToBytes().Length);
sb.AppendLine("q " + innerData.Q.ToBytes().Length);
sb.AppendLine("nonce " + innerData.Nonce.ToBytes().Length);
sb.AppendLine("serverNonce " + innerData.ServerNonce.ToBytes().Length);
sb.AppendLine("newNonce " + innerData.NewNonce.ToBytes().Length);
sb.AppendLine("innerData length " + innerDataBytes.Length);
TLUtils.WriteLog(sb.ToString());
#endif
var sha1 = Utils.ComputeSHA1(innerDataBytes);
var dataWithHash = TLUtils.Combine(sha1, innerDataBytes); //116
#if LOG_REGISTRATION
TLUtils.WriteLog("innerData+hash length " + dataWithHash.Length);
#endif
var data255 = new byte[255];
var random = new Random();
random.NextBytes(data255);
Array.Copy(dataWithHash, data255, dataWithHash.Length);
var reverseRSABytes = Utils.GetRSABytes(data255, publicKey); // NOTE: remove Reverse here
var encryptedData = new TLString {
Data = reverseRSABytes
};
return(encryptedData);
}
