private async Task <Step3Response> DoAuthentication()
{
Log.Info("Try do authentication");
var step1 = new Step1PqRequest();
var step1Result = await MtProtoPlainSender.SendAndReceive(step1.ToBytes());
var step1Response = step1.FromBytes(step1Result);
Log.Debug("First step is done");
var step2 = new Step2DhExchange();
var step2Result = await MtProtoPlainSender.SendAndReceive(step2.ToBytes(
step1Response.Nonce,
step1Response.ServerNonce,
step1Response.Fingerprints,
step1Response.Pq));
var step2Response = step2.FromBytes(step2Result);
Log.Debug("Second step is done");
var step3 = new Step3CompleteDhExchange();
var step3Result = await MtProtoPlainSender.SendAndReceive(step3.ToBytes(
step2Response.Nonce,
step2Response.ServerNonce,
step2Response.NewNonce,
step2Response.EncryptedAnswer));
var step3Response = step3.FromBytes(step3Result);
Log.Debug("Third step is done");
return(step3Response);
}
public void DeserializatinTest()
{
var pq = new BigInteger("2821213750622862821", 10);
var resPq = new TResPQ
{
Nonce = new byte[16],
ServerNonce = new byte[16],
PqAsBinary = pq.ToByteArrayUnsigned(),
ServerPublicKeyFingerprints = new TVector <long>(5611009732197236050)
};
_random.NextBytes(resPq.Nonce);
_random.NextBytes(resPq.ServerNonce);
var response = Step2ClientHelper.GetRequest(resPq, PublicKey, out var newNonce);
var buffer = Serializer.Serialize(response);
var dataNew = new byte[buffer.ReadableBytes];
buffer.ReadBytes(dataNew);
var a = new Step2DhExchange();
var dataOld = a.ToBytes(resPq.Nonce, resPq.ServerNonce, newNonce, new List <byte[]>()
{
BitConverter.GetBytes(5611009732197236050)
},
new Old.MTProto.Crypto.BigInteger("2821213750622862821", 10));
Assert.Equal(dataNew, dataOld);
}
public void ValidationTest()
{
var pqData = new byte[] { 35, 85, 96, 197, 87, 11, 113, 253 };
var resPq = new TResPQ
{
Nonce = new byte[16],
ServerNonce = new byte[16],
PqAsBinary = pqData,
ServerPublicKeyFingerprints = new TVector <long>(5611009732197236050)
};
_random.NextBytes(resPq.Nonce);
_random.NextBytes(resPq.ServerNonce);
var response = Step2ClientHelper.GetRequest(resPq, PublicKey, out var newNonce);
var a = new Step2DhExchange();
var bytes = a.ToBytes(resPq.Nonce, resPq.ServerNonce, newNonce, new List <byte[]>()
{
BitConverter.GetBytes(5611009732197236050)
},
new Old.MTProto.Crypto.BigInteger(1, pqData));
var buffer = PooledByteBufferAllocator.Default.Buffer();
buffer.WriteBytes(bytes);
var responseOld = (RequestReqDHParams)Serializer.Deserialize(buffer);
Assert.Equal(response.PAsBinary, responseOld.PAsBinary);
Assert.Equal(response.QAsBinary, responseOld.QAsBinary);
Assert.Equal(response.Nonce, responseOld.Nonce);
Assert.Equal(response.ServerNonce, responseOld.ServerNonce);
Assert.Equal(response.PublicKeyFingerprint, responseOld.PublicKeyFingerprint);
var responseInnerData = Decrypt(response, out var responseInnerDataChecksum);
var responseOldInnerData = Decrypt(responseOld, out var responseOldInnerDataChecksum);
Assert.Equal(responseInnerDataChecksum, responseOldInnerDataChecksum);
Assert.Equal(responseInnerData.PqAsBinary, responseOldInnerData.PqAsBinary);
Assert.Equal(responseInnerData.PAsBinary, responseOldInnerData.PAsBinary);
Assert.Equal(responseInnerData.QAsBinary, responseOldInnerData.QAsBinary);
Assert.Equal(responseInnerData.Nonce, responseOldInnerData.Nonce);
Assert.Equal(responseInnerData.ServerNonce, responseOldInnerData.ServerNonce);
Assert.Equal(responseInnerData.NewNonce, responseOldInnerData.NewNonce);
}
