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); }