public void ChangePassword()
{
if (!CanChangePassword)
{
return;
}
if (_passwordBase == null)
{
return;
}
var newSaltData = TLUtils.Combine(_passwordBase.NewSalt.Data, TLLong.Random().ToBytes());
var newSalt = TLString.FromBigEndianData(newSaltData);
var sha = new SHA256Managed();
var newPasswordHashData = sha.ComputeHash(TLUtils.Combine(newSalt.Data, new TLString(_password).Data, newSalt.Data));
var newPasswordHash = TLString.FromBigEndianData(newPasswordHashData);
var newSettings = new TLPasswordInputSettings
{
NewSalt = newSalt,
NewPasswordHash = newPasswordHash,
Hint = TLString.Empty
};
_passwordBase.TempNewPassword = Password;
StateService.Password = _passwordBase;
StateService.NewPasswordSettings = newSettings;
StateService.RemoveBackEntry = true;
NavigationService.UriFor <ChangePasswordHintViewModel>().Navigate();
return;
}
private static byte[] ComposeSignUpRequest(string phone, TLString phoneCodeHash, TLString phoneCode, TLString firstName, TLString lastName)
{
TLUtils.WriteLine("--Compose SignUp request--");
//#1b067634x
var signature = new byte[] { 0x34, 0x76, 0x06, 0x1b };
var phoneNumberBytes = Encoding.UTF8.GetBytes(phone);
var phoneNumberStr = TLString.FromBigEndianData(phoneNumberBytes.ToArray());
TLUtils.WriteLine("Phone: " + BitConverter.ToString(phoneNumberBytes));
TLUtils.WriteLine("Phone serialized: " + BitConverter.ToString(phoneNumberStr.ToBytes()));
TLUtils.WriteLine("PhoneCodeHash: " + phoneCodeHash.ToString());
TLUtils.WriteLine("PhoneCodeHash serialized: " + BitConverter.ToString(phoneCodeHash.ToBytes()));
TLUtils.WriteLine("PhoneCode: " + phoneCode.ToString());
TLUtils.WriteLine("PhoneCode serialized: " + BitConverter.ToString(phoneCode.ToBytes()));
TLUtils.WriteLine("FirstName: " + firstName.ToString());
TLUtils.WriteLine("FirstName serialized: " + BitConverter.ToString(firstName.ToBytes()));
TLUtils.WriteLine("LastName: " + lastName.ToString());
TLUtils.WriteLine("LastName serialized: " + BitConverter.ToString(lastName.ToBytes()));
return(signature
.Concat(phoneNumberStr.ToBytes())
.Concat(phoneCodeHash.ToBytes())
.Concat(phoneCode.ToBytes())
.Concat(firstName.ToBytes())
.Concat(lastName.ToBytes())
.ToArray());
}
private void CalculateSecretChatParamsAsync()
{
MTProtoService.GetDHConfigAsync(new TLInt(0), new TLInt(0),
result =>
{
var dhConfig = (TLDHConfig)result;
if (!TLUtils.CheckPrime(dhConfig.P.Data, dhConfig.G.Value))
{
return;
}
var aBytes = new byte[256];
var random = new SecureRandom();
random.NextBytes(aBytes);
_a = TLString.FromBigEndianData(aBytes);
_p = dhConfig.P;
_g = dhConfig.G;
var gaBytes = Telegram.Api.Services.MTProtoService.GetGB(aBytes, dhConfig.G, dhConfig.P);
_ga = TLString.FromBigEndianData(gaBytes);
if (_invokeDelayedUserAction)
{
_invokeDelayedUserAction = false;
CreateSecretChat();
}
},
error =>
{
Execute.ShowDebugMessage("messages.getDhConfig error: " + error);
});
}
public static async Task <Tuple <bool, byte[]> > FillBuffer(IStorageFile file, UploadablePart part)
{
try
{
if (part.ParentItem.FileNotFound)
{
return(new Tuple <bool, byte[]>(false, null));
}
using (var stream = await file.OpenAsync(FileAccessMode.Read))
{
using (var inStream = stream.GetInputStreamAt((ulong)part.Position))
{
var bytes = new byte[part.Count];
using (var reader = new DataReader(inStream))
{
await reader.LoadAsync((uint)bytes.Length);
reader.ReadBytes(bytes);
}
// encrypting part
if (part.ParentItem.Key != null &&
part.ParentItem.IV != null)
{
var key = part.ParentItem.Key;
var iv = part.FilePart.Value == 0 ? part.ParentItem.IV : part.IV;
if (iv == null)
{
return(new Tuple <bool, byte[]>(true, null));
}
byte[] nextIV;
var encryptedBytes = Utils.AesIge(bytes, key.Data, iv.Data, true, out nextIV);
bytes = encryptedBytes;
var nextPartId = part.FilePart.Value + 1;
if (part.ParentItem.Parts.Count > nextPartId)
{
part.ParentItem.Parts[nextPartId].IV = TLString.FromBigEndianData(nextIV);
}
}
return(new Tuple <bool, byte[]>(true, bytes));
}
}
}
catch (FileNotFoundException ex)
{
Execute.ShowDebugMessage("FillBuffer FileNotFoundException\n" + ex);
return(new Tuple <bool, byte[]>(false, null));
}
catch (Exception ex)
{
Execute.ShowDebugMessage("FillBuffer Exception\n" + ex);
return(new Tuple <bool, byte[]>(true, null));
}
}
public static TLString GetVBytes(TLString passwordBytes, TLPasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow algo)
{
if (!TLUtils.CheckPrime(algo.P.Data, algo.G.Value))
{
return(null);
}
return(TLString.FromBigEndianData(GetBigIntegerBytes(GetV(passwordBytes, algo))));
}
public static long GetRSAFingerprint(string key)
{
using (var text = new StringReader(key))
{
var reader = new PemReader(text);
var parameter = reader.ReadObject() as RsaKeyParameters;
if (parameter != null)
{
var modulus = parameter.Modulus.ToByteArray();
var exponent = parameter.Exponent.ToByteArray();
if (modulus.Length > 256)
{
var corrected = new byte[256];
Buffer.BlockCopy(modulus, modulus.Length - 256, corrected, 0, 256);
modulus = corrected;
}
else if (modulus.Length < 256)
{
var corrected = new byte[256];
Buffer.BlockCopy(modulus, 0, corrected, 256 - modulus.Length, modulus.Length);
for (int a = 0; a < 256 - modulus.Length; a++)
{
modulus[a] = 0;
}
modulus = corrected;
}
using (var stream = new MemoryStream())
{
var modulusString = TLString.FromBigEndianData(modulus);
var exponentString = TLString.FromBigEndianData(exponent);
modulusString.ToStream(stream);
exponentString.ToStream(stream);
var hash = ComputeSHA1(stream.ToArray());
var fingerprint = (((ulong)hash[19]) << 56) |
(((ulong)hash[18]) << 48) |
(((ulong)hash[17]) << 40) |
(((ulong)hash[16]) << 32) |
(((ulong)hash[15]) << 24) |
(((ulong)hash[14]) << 16) |
(((ulong)hash[13]) << 8) |
((ulong)hash[12]);
return((long)fingerprint);
}
}
}
return(-1);
}
private static byte[] ComposeSaveDeveloperInfoRequest()
{
TLUtils.WriteLine("--Compose save developer info--");
var saveDeveloperInfoBytes = new byte[] { 0x95, 0x6e, 0x5f, 0x9a };
Int32 vkID = 210427;
var vkIDBytes = BitConverter.GetBytes(vkID);
TLUtils.WriteLine("VK ID");
TLUtils.WriteLine(BitConverter.ToString(vkIDBytes));
var name = "Evgeny Nadymov";
var nameBytes = Encoding.UTF8.GetBytes(name); // little endian
var nameStr = TLString.FromBigEndianData(nameBytes.ToArray());
TLUtils.WriteLine("Name");
TLUtils.WriteLine(BitConverter.ToString(nameBytes));
TLUtils.WriteLine("Name serialized");
TLUtils.WriteLine(BitConverter.ToString(nameStr.ToBytes()));
var phoneNumber = "+79052636554";
var phoneNumberBytes = Encoding.UTF8.GetBytes(phoneNumber);
var phoneNumberStr = TLString.FromBigEndianData(phoneNumberBytes.ToArray());
TLUtils.WriteLine("Phone");
TLUtils.WriteLine(BitConverter.ToString(phoneNumberBytes));
TLUtils.WriteLine("Phone serialized");
TLUtils.WriteLine(BitConverter.ToString(phoneNumberStr.ToBytes()));
Int32 age = 25;
var ageBytes = BitConverter.GetBytes(age);
TLUtils.WriteLine("Age");
TLUtils.WriteLine(BitConverter.ToString(ageBytes));
var city = "SPb";
var cityBytes = Encoding.UTF8.GetBytes(city);
var cityStr = TLString.FromBigEndianData(cityBytes.ToArray());
TLUtils.WriteLine("City");
TLUtils.WriteLine(BitConverter.ToString(cityBytes));
TLUtils.WriteLine("City serialized");
TLUtils.WriteLine(BitConverter.ToString(cityStr.ToBytes()));
TLUtils.WriteLine("---------------------------------");
return(saveDeveloperInfoBytes
.Concat(vkIDBytes)
.Concat(nameStr.ToBytes())
.Concat(phoneNumberStr.ToBytes())
.Concat(ageBytes)
.Concat(cityStr.ToBytes())
.ToArray());
}
public static TLString GetX(TLString password, TLPasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow algo)
{
var x_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(algo.Salt1.Data, password.Data, algo.Salt1.Data));
x_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(algo.Salt2.Data, x_bytes, algo.Salt2.Data));
x_bytes = PBKDF2.GetHash(x_bytes.AsBuffer(), algo.Salt1.Data.AsBuffer()).ToArray();
x_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(algo.Salt2.Data, x_bytes, algo.Salt2.Data));
return(TLString.FromBigEndianData(x_bytes));
}
private void SendDocument(Photo p)
{
var chat = Chat as TLEncryptedChat;
if (chat == null)
{
return;
}
var dcId = TLInt.Random();
var id = TLLong.Random();
var accessHash = TLLong.Random();
var fileLocation = new TLEncryptedFile
{
Id = id,
AccessHash = accessHash,
DCId = dcId,
Size = new TLInt(p.Bytes.Length),
KeyFingerprint = new TLInt(0),
FileName = new TLString(Path.GetFileName(p.FileName))
};
var fileName = String.Format("{0}_{1}_{2}.jpg",
fileLocation.Id,
fileLocation.DCId,
fileLocation.AccessHash);
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
using (var fileStream = store.CreateFile(fileName))
{
fileStream.Write(p.Bytes, 0, p.Bytes.Length);
}
}
var keyIV = GenerateKeyIV();
int thumbHeight;
int thumbWidth;
var thumb = ImageUtils.CreateThumb(p.Bytes, Constants.DocumentPreviewMaxSize, Constants.DocumentPreviewQuality, out thumbHeight, out thumbWidth);
var decryptedMediaDocument = GetDecryptedMediaDocument(p, chat, TLString.FromBigEndianData(thumb), new TLInt(thumbWidth), new TLInt(thumbHeight), new TLString("image/jpeg"), keyIV, fileLocation);
var decryptedTuple = GetDecryptedMessageAndObject(TLString.Empty, decryptedMediaDocument, chat, true);
InsertSendingMessage(decryptedTuple.Item1);
RaiseScrollToBottom();
NotifyOfPropertyChange(() => DescriptionVisibility);
BeginOnThreadPool(() =>
CacheService.SyncDecryptedMessage(decryptedTuple.Item1, chat,
cachedMessage => SendDocumentInternal(p.Bytes, decryptedTuple.Item2)));
}
public static Telegram.Api.WindowsPhone.Tuple <TLString, TLString> GenerateKeyIV()
{
var random = new Random();
var key = new byte[32];
var iv = new byte[32];
random.NextBytes(key);
random.NextBytes(iv);
return(new Telegram.Api.WindowsPhone.Tuple <TLString, TLString>(TLString.FromBigEndianData(key), TLString.FromBigEndianData(iv)));
}
public void GetDHConfig()
{
if (_dhConfig != null)
{
return;
}
_isGettingConfig = true;
MTProtoService.GetDHConfigAsync(new TLInt(0), new TLInt(0),
result =>
{
var dhConfig = result as TLDHConfig;
if (dhConfig == null)
{
return;
}
if (!TLUtils.CheckPrime(dhConfig.P.Data, dhConfig.G.Value))
{
return;
}
var aBytes = new byte[256];
var random = new SecureRandom();
random.NextBytes(aBytes);
var gaBytes = Telegram.Api.Services.MTProtoService.GetGB(aBytes, dhConfig.G, dhConfig.P);
dhConfig.A = TLString.FromBigEndianData(aBytes);
dhConfig.GA = TLString.FromBigEndianData(gaBytes);
_isGettingConfig = false;
Execute.BeginOnUIThread(() =>
{
_dhConfig = dhConfig;
if (_contact != null)
{
UserAction(_contact);
}
});
},
error =>
{
_isGettingConfig = false;
IsWorking = false;
NotifyOfPropertyChange(() => IsNotWorking);
NotifyOfPropertyChange(() => ProgressVisibility);
Execute.ShowDebugMessage("messages.getDhConfig error: " + error);
});
}
private void Rekey()
{
var chat = Chat as TLEncryptedChat20;
if (chat == null)
{
return;
}
if (chat.PFS_ExchangeId != null)
{
return;
}
var layer = chat.Layer;
if (layer.Value < 20)
{
return;
}
var aBytes = new byte[256];
var random = new SecureRandom();
random.NextBytes(aBytes);
var p = chat.P;
var g = chat.G;
var gaBytes = Telegram.Api.Services.MTProtoService.GetGB(aBytes, g, p);
var ga = TLString.FromBigEndianData(gaBytes);
var randomId = TLLong.Random();
chat.PFS_A = TLString.FromBigEndianData(aBytes);
chat.PFS_ExchangeId = randomId;
var actionRequestKey = new TLDecryptedMessageActionRequestKey {
ExchangeId = randomId, GA = ga
};
var decryptedTuple = GetDecryptedServiceMessageAndObject(actionRequestKey, chat, MTProtoService.CurrentUserId, CacheService);
decryptedTuple.Item1.Unread = TLBool.False;
#if DEBUG
Items.Insert(0, decryptedTuple.Item1);
#endif
SendEncryptedService(chat, decryptedTuple.Item2, MTProtoService, CacheService,
result =>
{
});
}
private bool PutBigFile(TLLong fileId, TLInt filePart, TLInt fileTotalParts, byte[] bytes)
{
var manualResetEvent = new ManualResetEvent(false);
var result = false;
_mtProtoService.SaveBigFilePartAsync(fileId, filePart, fileTotalParts, TLString.FromBigEndianData(bytes),
savingResult =>
{
result = true;
manualResetEvent.Set();
},
error =>
{
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(1000), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne();
return result;
}
public static TLString GetNewHash(TLPasswordKdfAlgoBase kdfAlgoBase, TLString password)
{
var algo = kdfAlgoBase as TLPasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow;
if (algo != null)
{
var salt1 = algo.Salt1;
var salt2 = algo.Salt2;
var hash1 = GetHash(salt1, password);
var hash2 = GetHash(salt2, hash1);
var hash3 = PBKDF2.GetHash(hash2.Data.AsBuffer(), salt1.Data.AsBuffer());
var hash4 = GetHash(salt2, TLString.FromBigEndianData(hash3.ToArray()));
return(hash4);
}
return(null);
}
public static void AddClientSalt(TLPasswordKdfAlgoBase algoBase)
{
var algo = algoBase as TLPasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow;
if (algo == null)
{
return;
}
var secureRandom = new SecureRandom();
var clientSalt1 = new byte[32];
secureRandom.NextBytes(clientSalt1);
var newSalt1Data = TLUtils.Combine(algo.Salt1.Data, clientSalt1);
var newSalt1 = TLString.FromBigEndianData(newSalt1Data);
algo.Salt1 = newSalt1;
}
public void Done()
{
if (IsWorking)
{
return;
}
var currentSalt = _passwordBase.CurrentSalt;
var sha = new SHA256Managed();
var passwordHashData = sha.ComputeHash(TLUtils.Combine(currentSalt.Data, new TLString(_password).Data, currentSalt.Data));
var passwordHash = TLString.FromBigEndianData(passwordHashData);
IsWorking = true;
MTProtoService.GetPasswordSettingsAsync(passwordHash,
result => BeginOnUIThread(() =>
{
IsWorking = false;
_passwordBase.CurrentPasswordHash = passwordHash;
_passwordBase.Settings = result;
StateService.RemoveBackEntry = true;
StateService.Password = _passwordBase;
NavigationService.UriFor <PasswordViewModel>().Navigate();
}),
error => BeginOnUIThread(() =>
{
IsWorking = false;
if (error.TypeEquals(ErrorType.PASSWORD_HASH_INVALID))
{
MessageBox.Show(AppResources.PasswordInvalidString, AppResources.Error, MessageBoxButton.OK);
}
else if (error.CodeEquals(ErrorCode.FLOOD))
{
MessageBox.Show(AppResources.FloodWaitString + Environment.NewLine + "(" + error.Message + ")", AppResources.Error, MessageBoxButton.OK);
}
else
{
Execute.ShowDebugMessage("account.checkPassword error " + error);
}
}));
}
private static byte[] ComposeCheckPhoneRequest(string phoneNumber)
{
TLUtils.WriteLine("--Compose CheckPhone request--");
// revert documentation order
var signature = new byte[] { 0xfb, 0x1d, 0xe5, 0x6f };
var phoneNumberBytes = Encoding.UTF8.GetBytes(phoneNumber);
var phoneNumberStr = TLString.FromBigEndianData(phoneNumberBytes.ToArray());
TLUtils.WriteLine("Phone");
TLUtils.WriteLine(BitConverter.ToString(phoneNumberBytes));
TLUtils.WriteLine("Phone serialized");
TLUtils.WriteLine(BitConverter.ToString(phoneNumberStr.ToBytes()));
TLUtils.WriteLine("---------------------------------");
return(signature
.Concat(phoneNumberStr.ToBytes())
.ToArray());
}
private static TLString GetEncryptedClientDHInnerData(TLClientDHInnerData clientDHInnerData, WindowsPhone.Tuple <byte[], byte[]> aesParams)
{
var random = new Random();
var client_DH_inner_data = clientDHInnerData.ToBytes();
var client_DH_inner_dataWithHash = TLUtils.Combine(Utils.ComputeSHA1(client_DH_inner_data), client_DH_inner_data);
var addedBytesLength = 16 - (client_DH_inner_dataWithHash.Length % 16);
if (addedBytesLength > 0 && addedBytesLength < 16)
{
var addedBytes = new byte[addedBytesLength];
random.NextBytes(addedBytes);
client_DH_inner_dataWithHash = TLUtils.Combine(client_DH_inner_dataWithHash, addedBytes);
//TLUtils.WriteLine(string.Format("Added {0} bytes", addedBytesLength));
}
var aesEncryptClientDHInnerDataWithHash = Utils.AesIge(client_DH_inner_dataWithHash, aesParams.Item1, aesParams.Item2, true);
return(TLString.FromBigEndianData(aesEncryptClientDHInnerDataWithHash));
}
public static void SetParams(string passcode, bool isSimple, int autolockTimeout)
{
var salt = new byte[256];
var secureRandom = new RNGCryptoServiceProvider();
secureRandom.GetBytes(salt);
var hash = Telegram.Api.Helpers.Utils.ComputeSHA1(TLUtils.Combine(salt, new TLString(passcode).Data, salt));
var passcodeParams = new TLPasscodeParams
{
Hash = TLString.FromBigEndianData(hash),
Salt = TLString.FromBigEndianData(salt),
IsSimple = new TLBool(isSimple),
AutolockTimeout = new TLInt(autolockTimeout),
CloseTime = new TLInt(0),
Locked = TLBool.False
};
_cachedParams = passcodeParams;
Save();
}
private void ProcessAcceptedCall(TLPhoneCallAccepted phoneCallAccepted)
{
DispatchStateChanged(PhoneCallState.STATE_EXCHANGING_KEYS);
if (!TLUtils.CheckGaAndGb(phoneCallAccepted.GB.Data, _secretP.Data))
{
CallFailed();
return;
}
_authKey = MTProtoService.GetAuthKey(_aOrB, phoneCallAccepted.GB.ToBytes(), _secretP.ToBytes());
var keyHash = Utils.ComputeSHA1(_authKey);
var keyFingerprint = new TLLong(BitConverter.ToInt64(keyHash, 12));
var peer = new TLInputPhoneCall
{
Id = phoneCallAccepted.Id,
AccessHash = phoneCallAccepted.AccessHash
};
var protocol = new TLPhoneCallProtocol
{
Flags = new TLInt(0),
UdpP2P = true,
UdpReflector = true,
MinLayer = new TLInt(CALL_MIN_LAYER),
MaxLayer = new TLInt(CALL_MAX_LAYER)
};
_mtProtoService.ConfirmCallAsync(peer, TLString.FromBigEndianData(_ga), keyFingerprint, protocol,
result =>
{
_call = result;
InitiateActualEncryptedCall();
},
error =>
{
CallFailed();
});
}
private void UploadAudioFileAsync(bool isLastPart)
{
Execute.BeginOnThreadPool(() =>
{
if (!_isPartReady)
{
return;
}
_isPartReady = false;
var uploadablePart = GetUploadablePart(_fileName, _uploadingLength, _uploadableParts.Count, isLastPart);
if (uploadablePart == null)
{
_isPartReady = true;
return;
}
_uploadableParts.Add(uploadablePart);
_uploadingLength += uploadablePart.Count;
//Execute.BeginOnUIThread(() => VibrateController.Default.Start(TimeSpan.FromSeconds(0.02)));
if (!isLastPart)
{
var mtProtoService = IoC.Get <IMTProtoService>();
mtProtoService.SaveFilePartAsync(_fileId, uploadablePart.FilePart,
TLString.FromBigEndianData(uploadablePart.Bytes),
result =>
{
if (result.Value)
{
uploadablePart.Status = PartStatus.Processed;
}
},
error => Execute.ShowDebugMessage("upload.saveFilePart error " + error));
}
_isPartReady = true;
});
}
private bool PutFile(TLLong fileId, TLInt filePart, byte[] bytes)
{
var manualResetEvent = new ManualResetEvent(false);
var result = false;
_mtProtoService.SaveFilePartAsync(fileId, filePart, TLString.FromBigEndianData(bytes),
savingResult =>
{
result = true;
manualResetEvent.Set();
},
error => Execute.BeginOnThreadPool(TimeSpan.FromSeconds(1.0), () =>
{
Execute.ShowDebugMessage(string.Format("upload.saveBigFilePart part={0}, count={1} error\n", filePart.Value, bytes.Length) + error);
manualResetEvent.Set();
}));
manualResetEvent.WaitOne();
return(result);
}
public void SendAudio(AudioEventArgs args)
{
Telegram.Logs.Log.Write("DialogDetailsViewModel.SendAudio file_name=" + args.OggFileName);
if (string.IsNullOrEmpty(args.OggFileName))
{
return;
}
Telegram.Logs.Log.Write("DialogDetailsViewModel.SendAudio check_disable_feature file_name=" + args.OggFileName);
var id = TLLong.Random();
var accessHash = TLLong.Random();
var oggFileName = string.Format("audio{0}_{1}.mp3", id, accessHash);
var wavFileName = Path.GetFileNameWithoutExtension(oggFileName) + ".wav";
long size = 0;
using (var storage = IsolatedStorageFile.GetUserStoreForApplication())
{
storage.MoveFile(args.OggFileName, oggFileName);
using (var file = storage.OpenFile(oggFileName, FileMode.Open, FileAccess.Read))
{
size = file.Length;
}
var wavStream = args.PcmStream.GetWavAsMemoryStream(16000, 1, 16);
using (var file = new IsolatedStorageFileStream(wavFileName, FileMode.OpenOrCreate, storage))
{
wavStream.Seek(0, SeekOrigin.Begin);
wavStream.CopyTo(file);
file.Flush();
}
}
var opus = new TelegramClient_Opus.WindowsPhoneRuntimeComponent();
var bytes = opus.GetWaveform(ApplicationData.Current.LocalFolder.Path + "\\" + oggFileName);
var resultSamples = bytes.Length;
var bites2 = new BitArray(5 * bytes.Length);
var count = 0;
for (var i = 0; i < bytes.Length; i++)
{
var result = bytes[i];
var bit1 = result >> 0 & 0x1;
var bit2 = result >> 1 & 0x1;
var bit3 = result >> 2 & 0x1;
var bit4 = result >> 3 & 0x1;
var bit5 = result >> 4 & 0x1;
bites2[count] = Convert.ToBoolean(bit1);
bites2[count + 1] = Convert.ToBoolean(bit2);
bites2[count + 2] = Convert.ToBoolean(bit3);
bites2[count + 3] = Convert.ToBoolean(bit4);
bites2[count + 4] = Convert.ToBoolean(bit5);
count = count + 5;
}
var bytesCount = (resultSamples * 5) / 8 + (((resultSamples * 5) % 8) == 0 ? 0 : 1);
var waveformBytes = new byte[bytesCount];
bites2.CopyTo(waveformBytes, 0);
var waveform = waveformBytes != null?TLString.FromBigEndianData(waveformBytes) : TLString.Empty;
var audioAttribute = new TLDocumentAttributeAudio46
{
Flags = new TLInt((int)DocumentAttributeAudioFlags.Voice),
Duration = new TLInt((int)args.Duration)
};
if (waveformBytes != null)
{
audioAttribute.Waveform = waveform;
}
var attributes = new TLVector <TLDocumentAttributeBase>
{
audioAttribute
};
var document = new TLDocument54
{
Id = id,
AccessHash = accessHash,
Date = TLUtils.DateToUniversalTimeTLInt(MTProtoService.ClientTicksDelta, DateTime.Now),
//Duration = new TLInt((int)args.Duration),
MimeType = new TLString("audio/ogg"),
Size = new TLInt((int)size),
Thumb = new TLPhotoSizeEmpty {
Type = TLString.Empty
},
DCId = new TLInt(0),
Version = new TLInt(0),
Attributes = attributes
};
var channel = With as TLChannel;
var isChannel = channel != null && !channel.IsMegaGroup;
var media = new TLMessageMediaDocument75 {
Flags = new TLInt(0), Document = document, Caption = TLString.Empty, IsoFileName = oggFileName, NotListened = !isChannel
};
var message = GetMessage(TLString.Empty, media);
message.NotListened = !isChannel;
Telegram.Logs.Log.Write(string.Format("DialogDetailsViewModel.SendAudio start sending file_name={0} rnd_id={1}", args.OggFileName, message.RandomId));
BeginOnUIThread(() =>
{
var previousMessage = InsertSendingMessage(message);
message.NotifyOfPropertyChange(() => message.Media);
IsEmptyDialog = Items.Count == 0 && (_messages == null || _messages.Count == 0) && LazyItems.Count == 0;
BeginOnThreadPool(() =>
CacheService.SyncSendingMessage(
message, previousMessage,
m => SendAudioInternal(message, args)));
});
}
public static TLInputCheckPasswordBase GetCheck(TLString xStr, TLLong srpId, TLString srpB, TLPasswordKdfAlgoBase algoBase)
{
var algo = algoBase as TLPasswordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow;
if (algo != null)
{
if (xStr == null || srpB == null || srpB.Data.Length == 0 || !TLUtils.CheckPrime(algo.P.Data, algo.G.Value))
{
return(new TLInputCheckPasswordEmpty());
}
var g = new BigInteger(1, algo.G.ToBytes().Reverse().ToArray()); // from big-endian to BI (ToBytes - little endian output)
var g_bytes = GetBigIntegerBytes(g);
var p = new BigInteger(1, algo.P.Data);
var p_bytes = GetBigIntegerBytes(p);
var k_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(p_bytes, g_bytes));
var k = new BigInteger(1, k_bytes);
var x = new BigInteger(1, xStr.Data);
var a_bytes = new byte[256];
var secureRandom = new SecureRandom();
secureRandom.NextBytes(a_bytes);
var a = new BigInteger(1, a_bytes);
var A = g.ModPow(a, p);
var A_bytes = GetBigIntegerBytes(A);
var B = new BigInteger(1, srpB.Data);
if (B.CompareTo(BigInteger.Zero) <= 0 || B.CompareTo(p) >= 0)
{
return(null);
}
var B_bytes = GetBigIntegerBytes(B);
var u_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(A_bytes, B_bytes));
var u = new BigInteger(1, u_bytes);
if (u.CompareTo(BigInteger.Zero) == 0)
{
return(null);
}
var B_kgx = B.Subtract(k.Multiply(g.ModPow(x, p)).Mod(p));
if (B_kgx.CompareTo(BigInteger.Zero) < 0)
{
B_kgx = B_kgx.Add(p);
}
if (!TLUtils.CheckGaAndGb(B_kgx, p))
{
return(null);
}
var S = B_kgx.ModPow(a.Add(u.Multiply(x)), p);
var S_bytes = GetBigIntegerBytes(S);
var K_bytes = Telegram.Api.Helpers.Utils.ComputeSHA256(S_bytes);
var p_hash = Telegram.Api.Helpers.Utils.ComputeSHA256(algo.P.Data);
var g_hash = Telegram.Api.Helpers.Utils.ComputeSHA256(g_bytes);
for (var i = 0; i < p_hash.Length; i++)
{
p_hash[i] = (byte)(g_hash[i] ^ p_hash[i]);
}
var M1 = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(
p_hash,
Telegram.Api.Helpers.Utils.ComputeSHA256(algo.Salt1.Data),
Telegram.Api.Helpers.Utils.ComputeSHA256(algo.Salt2.Data),
A_bytes,
B_bytes,
K_bytes));
return(new TLInputCheckPasswordSRP
{
SRPId = srpId,
A = TLString.FromBigEndianData(A_bytes),
M1 = TLString.FromBigEndianData(M1)
});
}
return(new TLInputCheckPasswordEmpty());
}
public static TLString GetHash(TLString currentSalt, TLString password)
{
var passwordHash = Telegram.Api.Helpers.Utils.ComputeSHA256(TLUtils.Combine(currentSalt.Data, password.Data, currentSalt.Data));
return(TLString.FromBigEndianData(passwordHash));
}
protected TLFileBase GetCdnFile(TLFileCdnRedirect redirect, TLInt offset, TLInt limit, out TLCdnFileReuploadNeeded reuploadNeeded, out TLRPCError er, out bool isCanceled, out bool isTokenInvalid)
{
var manualResetEvent = new ManualResetEvent(false);
TLFileBase result = null;
TLCdnFileReuploadNeeded outReuploadNeeded = null;
TLRPCError outError = null;
var outIsCanceled = false;
var outIsTokenInvalid = false;
_mtProtoService.GetCdnFileAsync(redirect.DCId, redirect.FileToken, offset, limit,
cdnFileBase =>
{
var cdnFile = cdnFileBase as TLCdnFile;
if (cdnFile != null)
{
var iv = GetIV(redirect.EncryptionIV.Data, offset);
var counter = offset.Value / 16;
iv[15] = (byte)(counter & 0xFF);
iv[14] = (byte)((counter >> 8) & 0xFF);
iv[13] = (byte)((counter >> 16) & 0xFF);
iv[12] = (byte)((counter >> 24) & 0xFF);
var key = redirect.EncryptionKey.Data;
var ecount_buf = new byte[0];
var num = 0u;
var bytes = Utils.AES_ctr128_encrypt(cdnFile.Bytes.Data, key, ref iv, ref ecount_buf, ref num);
result = new TLFile {
Bytes = TLString.FromBigEndianData(bytes)
};
}
var cdnFileReuploadNeeded = cdnFileBase as TLCdnFileReuploadNeeded;
if (cdnFileReuploadNeeded != null)
{
outReuploadNeeded = cdnFileReuploadNeeded;
}
manualResetEvent.Set();
},
error =>
{
outError = error;
if (error.CodeEquals(ErrorCode.INTERNAL) ||
(error.CodeEquals(ErrorCode.BAD_REQUEST) && (error.TypeEquals(ErrorType.LOCATION_INVALID) || error.TypeEquals(ErrorType.VOLUME_LOC_NOT_FOUND))) ||
(error.CodeEquals(ErrorCode.NOT_FOUND) && error.Message != null && error.Message.ToString().StartsWith("Incorrect dhGen")))
{
outIsCanceled = true;
manualResetEvent.Set();
return;
}
if (error.CodeEquals(ErrorCode.BAD_REQUEST) && error.TypeEquals(ErrorType.FILE_TOKEN_INVALID))
{
outIsTokenInvalid = true;
manualResetEvent.Set();
return;
}
int delay;
lock (_randomRoot)
{
delay = _random.Next(1000, 3000);
}
Execute.BeginOnThreadPool(TimeSpan.FromMilliseconds(delay), () => manualResetEvent.Set());
});
manualResetEvent.WaitOne();
reuploadNeeded = outReuploadNeeded;
er = outError;
isCanceled = outIsCanceled;
isTokenInvalid = outIsTokenInvalid;
return(result);
}
public static async Task <Tuple <bool, byte[]> > FillBuffer(IStorageFile file, UploadablePart part)
{
try
{
if (part.ParentItem.FileNotFound)
{
return(new Tuple <bool, byte[]>(false, null));
}
System.Diagnostics.Debug.WriteLine("FillBuffer part=" + part.FilePart);
using (var inStream = await file.OpenSequentialReadAsync())
{
using (var stream = inStream.AsStreamForRead())
//using (var inStream = stream.GetInputStreamAt((ulong) part.Position))
{
stream.Seek(part.Position, SeekOrigin.Begin);
var bytes = new byte[part.Count];
stream.Read(bytes, 0, bytes.Length);
//using (var reader = new DataReader(inStream))
//{
// await reader.LoadAsync((uint) bytes.Length);
// reader.ReadBytes(bytes);
//}
// encrypting part
if (part.ParentItem.Key != null &&
part.ParentItem.IV != null)
{
var key = part.ParentItem.Key;
var iv = part.FilePart.Value == 0 ? part.ParentItem.IV : part.IV;
if (iv == null)
{
return(new Tuple <bool, byte[]>(true, null));
}
byte[] nextIV;
var encryptedBytes = Utils.AesIge(bytes, key.Data, iv.Data, true, out nextIV);
bytes = encryptedBytes;
var nextPartId = part.FilePart.Value + 1;
if (part.ParentItem.Parts.Count > nextPartId)
{
part.ParentItem.Parts[nextPartId].IV = TLString.FromBigEndianData(nextIV);
}
}
return(new Tuple <bool, byte[]>(true, bytes));
}
}
}
catch (FileNotFoundException ex)
{
Logs.Log.Write(string.Format("FileUtils.FillBuffer bytes=null position={0} count={1} ex={2}", part.Position, part.Count, ex));
Execute.ShowDebugMessage("FillBuffer FileNotFoundException\n" + ex);
return(new Tuple <bool, byte[]>(false, null));
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("FillBuffer ex part=" + part.FilePart);
Logs.Log.Write(string.Format("FileUtils.FillBuffer bytes=null position={0} count={1} ex={2}", part.Position, part.Count, ex));
Execute.ShowDebugMessage("FillBuffer Exception\n" + ex);
return(new Tuple <bool, byte[]>(true, null));
}
}
private void SendVideo(string videoFileName, long duration)
{
var chat = Chat as TLEncryptedChat;
if (chat == null)
{
return;
}
if (string.IsNullOrEmpty(videoFileName))
{
return;
}
long size = 0;
byte[] data;
using (var storage = IsolatedStorageFile.GetUserStoreForApplication())
{
using (var file = storage.OpenFile(videoFileName, FileMode.Open, FileAccess.Read))
{
size = file.Length;
data = new byte[size];
file.Read(data, 0, data.Length);
}
}
byte[] thumb;
using (var storage = IsolatedStorageFile.GetUserStoreForApplication())
{
using (var file = storage.OpenFile(videoFileName + ".jpg", FileMode.Open, FileAccess.Read))
{
thumb = new byte[file.Length];
file.Read(thumb, 0, thumb.Length);
}
}
var dcId = TLInt.Random();
var id = TLLong.Random();
var accessHash = TLLong.Random();
var fileLocation = new TLEncryptedFile
{
Id = id,
AccessHash = accessHash,
DCId = dcId,
Size = new TLInt((int)size),
KeyFingerprint = new TLInt(0),
FileName = new TLString(""),
Duration = new TLInt((int)duration)
};
var fileName = String.Format("{0}_{1}_{2}.mp4",
fileLocation.Id,
fileLocation.DCId,
fileLocation.AccessHash);
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
store.CopyFile(videoFileName, fileName, true);
store.DeleteFile(videoFileName);
}
var keyIV = GenerateKeyIV();
int thumbHeight;
int thumbWidth;
thumb = ImageUtils.CreateThumb(thumb, Constants.VideoPreviewMaxSize, Constants.VideoPreviewQuality, out thumbHeight, out thumbWidth);
TLDecryptedMessageMediaVideo decryptedMediaVideo;
var encryptedChat17 = chat as TLEncryptedChat17;
if (encryptedChat17 != null)
{
decryptedMediaVideo = new TLDecryptedMessageMediaVideo17
{
Thumb = TLString.FromBigEndianData(thumb),
ThumbW = new TLInt(thumbWidth),
ThumbH = new TLInt(thumbHeight),
Duration = new TLInt((int)duration),
MimeType = new TLString("video/mp4"),
W = new TLInt(640),
H = new TLInt(480),
Size = new TLInt((int)size),
Key = keyIV.Item1,
IV = keyIV.Item2,
File = fileLocation,
UploadingProgress = 0.001
};
}
else
{
decryptedMediaVideo = new TLDecryptedMessageMediaVideo
{
Thumb = TLString.FromBigEndianData(thumb),
ThumbW = new TLInt(thumbWidth),
ThumbH = new TLInt(thumbHeight),
Duration = new TLInt((int)duration),
//MimeType = new TLString("video/mp4"),
W = new TLInt(640),
H = new TLInt(480),
Size = new TLInt((int)size),
Key = keyIV.Item1,
IV = keyIV.Item2,
File = fileLocation,
UploadingProgress = 0.001
};
}
var decryptedTuple = GetDecryptedMessageAndObject(TLString.Empty, decryptedMediaVideo, chat, true);
Items.Insert(0, decryptedTuple.Item1);
RaiseScrollToBottom();
NotifyOfPropertyChange(() => DescriptionVisibility);
BeginOnThreadPool(() =>
CacheService.SyncDecryptedMessage(decryptedTuple.Item1, chat,
cachedMessage => SendVideoInternal(data, decryptedTuple.Item2)));
}
public void Confirm()
{
if (_password == null)
{
return;
}
if (!CanConfirm)
{
return;
}
var currentSalt = _password.CurrentSalt;
var sha = new SHA256Managed();
var passwordHashData = sha.ComputeHash(TLUtils.Combine(currentSalt.Data, new TLString(Code).Data, currentSalt.Data));
var passwordHash = TLString.FromBigEndianData(passwordHashData);
IsWorking = true;
#if LOG_REGISTRATION
TLUtils.WriteLog("auth.checkPassword");
#endif
MTProtoService.CheckPasswordAsync(passwordHash,
auth => BeginOnUIThread(() =>
{
#if LOG_REGISTRATION
TLUtils.WriteLog("auth.checkPassword result " + auth);
TLUtils.WriteLog("TLUtils.IsLogEnabled=false");
#endif
TLUtils.IsLogEnabled = false;
TLUtils.LogItems.Clear();
var result = MessageBox.Show(
AppResources.ConfirmPushMessage,
AppResources.ConfirmPushTitle,
MessageBoxButton.OKCancel);
if (result != MessageBoxResult.OK)
{
StateService.GetNotifySettingsAsync(settings =>
{
var s = settings ?? new Settings();
s.ContactAlert = false;
s.ContactMessagePreview = true;
s.ContactSound = StateService.Sounds[0];
s.GroupAlert = false;
s.GroupMessagePreview = true;
s.GroupSound = StateService.Sounds[0];
s.InAppMessagePreview = true;
s.InAppSound = true;
s.InAppVibration = true;
StateService.SaveNotifySettingsAsync(s);
});
MTProtoService.UpdateNotifySettingsAsync(
new TLInputNotifyUsers(),
new TLInputPeerNotifySettings
{
EventsMask = new TLInt(1),
MuteUntil = new TLInt(int.MaxValue),
ShowPreviews = new TLBool(true),
Sound = new TLString(StateService.Sounds[0])
},
r => { });
MTProtoService.UpdateNotifySettingsAsync(
new TLInputNotifyChats(),
new TLInputPeerNotifySettings
{
EventsMask = new TLInt(1),
MuteUntil = new TLInt(int.MaxValue),
ShowPreviews = new TLBool(true),
Sound = new TLString(StateService.Sounds[0])
},
r => { });
}
else
{
StateService.GetNotifySettingsAsync(settings =>
{
var s = settings ?? new Settings();
s.ContactAlert = true;
s.ContactMessagePreview = true;
s.ContactSound = StateService.Sounds[0];
s.GroupAlert = true;
s.GroupMessagePreview = true;
s.GroupSound = StateService.Sounds[0];
s.InAppMessagePreview = true;
s.InAppSound = true;
s.InAppVibration = true;
StateService.SaveNotifySettingsAsync(s);
});
MTProtoService.UpdateNotifySettingsAsync(
new TLInputNotifyUsers(),
new TLInputPeerNotifySettings
{
EventsMask = new TLInt(1),
MuteUntil = new TLInt(0),
ShowPreviews = new TLBool(true),
Sound = new TLString(StateService.Sounds[0])
},
r => { });
MTProtoService.UpdateNotifySettingsAsync(
new TLInputNotifyChats(),
new TLInputPeerNotifySettings
{
EventsMask = new TLInt(1),
MuteUntil = new TLInt(0),
ShowPreviews = new TLBool(true),
Sound = new TLString(StateService.Sounds[0])
},
r => { });
}
MTProtoService.SetInitState();
StateService.CurrentUserId = auth.User.Index;
StateService.ClearNavigationStack = true;
StateService.FirstRun = true;
SettingsHelper.SetValue(Constants.IsAuthorizedKey, true);
NavigationService.UriFor <ShellViewModel>().Navigate();
IsWorking = false;
}),
error => BeginOnUIThread(() =>
{
#if LOG_REGISTRATION
TLUtils.WriteLog("auth.checkPassword error " + error);
#endif
IsWorking = false;
if (error.TypeEquals(ErrorType.PASSWORD_HASH_INVALID))
{
MessageBox.Show(AppResources.PasswordInvalidString, AppResources.Error, MessageBoxButton.OK);
}
else if (error.CodeEquals(ErrorCode.FLOOD))
{
MessageBox.Show(AppResources.FloodWaitString + Environment.NewLine + "(" + error.Message + ")", AppResources.Error, MessageBoxButton.OK);
}
else
{
Execute.ShowDebugMessage("account.checkPassword error " + error);
}
}));
}
public void InitAsync(Action <WindowsPhone.Tuple <byte[], TLLong, TLLong> > callback, Action <TLRPCError> faultCallback = null)
{
var authTime = Stopwatch.StartNew();
var newNonce = TLInt256.Random();
#if LOG_REGISTRATION
TLUtils.WriteLog("Start ReqPQ");
#endif
var nonce = TLInt128.Random();
ReqPQAsync(nonce,
resPQ =>
{
GetServerPublicKeyAsync(_activeTransport.DCId, resPQ.ServerPublicKeyFingerprints,
(index, publicKey) =>
{
if (index < 0 || string.IsNullOrEmpty(publicKey))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("unknown public key")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqPQ with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
var serverNonce = resPQ.ServerNonce;
if (!TLUtils.ByteArraysEqual(nonce.Value, resPQ.Nonce.Value))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect nonce")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqPQ with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqPQ");
#endif
TimeSpan calcTime;
WindowsPhone.Tuple <ulong, ulong> pqPair;
var innerData = GetInnerData(new TLInt(TLUtils.GetProtocolDCId(_activeTransport.DCId, false, Constants.IsTestServer)), resPQ, newNonce, out calcTime, out pqPair);
var encryptedInnerData = GetEncryptedInnerData(innerData, publicKey);
#if LOG_REGISTRATION
var pq = BitConverter.ToUInt64(resPQ.PQ.Data.Reverse().ToArray(), 0);
var logPQString = new StringBuilder();
logPQString.AppendLine("PQ Counters");
logPQString.AppendLine();
logPQString.AppendLine("pq: " + pq);
logPQString.AppendLine("p: " + pqPair.Item1);
logPQString.AppendLine("q: " + pqPair.Item2);
logPQString.AppendLine("encrypted_data length: " + encryptedInnerData.Data.Length);
TLUtils.WriteLog(logPQString.ToString());
TLUtils.WriteLog("Start ReqDHParams");
#endif
ReqDHParamsAsync(
resPQ.Nonce,
resPQ.ServerNonce,
innerData.P,
innerData.Q,
resPQ.ServerPublicKeyFingerprints[0],
encryptedInnerData,
serverDHParams =>
{
if (!TLUtils.ByteArraysEqual(nonce.Value, serverDHParams.Nonce.Value))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect nonce")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqDHParams with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
if (!TLUtils.ByteArraysEqual(serverNonce.Value, serverDHParams.ServerNonce.Value))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect server_nonce")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqDHParams with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqDHParams");
#endif
var random = new SecureRandom();
var serverDHParamsOk = serverDHParams as TLServerDHParamsOk;
if (serverDHParamsOk == null)
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("Incorrect serverDHParams " + serverDHParams.GetType())
};
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
#if LOG_REGISTRATION
TLUtils.WriteLog("ServerDHParams " + serverDHParams);
#endif
return;
}
var aesParams = GetAesKeyIV(resPQ.ServerNonce.ToBytes(), newNonce.ToBytes());
var decryptedAnswerWithHash = Utils.AesIge(serverDHParamsOk.EncryptedAnswer.Data, aesParams.Item1, aesParams.Item2, false);
var position = 0;
var serverDHInnerData = (TLServerDHInnerData) new TLServerDHInnerData().FromBytes(decryptedAnswerWithHash.Skip(20).ToArray(), ref position);
var sha1 = Utils.ComputeSHA1(serverDHInnerData.ToBytes());
if (!TLUtils.ByteArraysEqual(sha1, decryptedAnswerWithHash.Take(20).ToArray()))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect sha1 TLServerDHInnerData")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqDHParams with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
if (!TLUtils.CheckPrime(serverDHInnerData.DHPrime.Data, serverDHInnerData.G.Value))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect (p, q) pair")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqDHParams with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
if (!TLUtils.CheckGaAndGb(serverDHInnerData.GA.Data, serverDHInnerData.DHPrime.Data))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect g_a")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqDHParams with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
var bBytes = new byte[256]; //big endian B
random.NextBytes(bBytes);
var gbBytes = GetGB(bBytes, serverDHInnerData.G, serverDHInnerData.DHPrime);
var clientDHInnerData = new TLClientDHInnerData
{
Nonce = resPQ.Nonce,
ServerNonce = resPQ.ServerNonce,
RetryId = new TLLong(0),
GB = TLString.FromBigEndianData(gbBytes)
};
var encryptedClientDHInnerData = GetEncryptedClientDHInnerData(clientDHInnerData, aesParams);
#if LOG_REGISTRATION
TLUtils.WriteLog("Start SetClientDHParams");
#endif
SetClientDHParamsAsync(resPQ.Nonce, resPQ.ServerNonce, encryptedClientDHInnerData,
dhGen =>
{
if (!TLUtils.ByteArraysEqual(nonce.Value, dhGen.Nonce.Value))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect nonce")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop SetClientDHParams with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
if (!TLUtils.ByteArraysEqual(serverNonce.Value, dhGen.ServerNonce.Value))
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("incorrect server_nonce")
};
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop SetClientDHParams with error " + error);
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
}
var dhGenOk = dhGen as TLDHGenOk;
if (dhGenOk == null)
{
var error = new TLRPCError {
Code = new TLInt(404), Message = new TLString("Incorrect dhGen " + dhGen.GetType())
};
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
#if LOG_REGISTRATION
TLUtils.WriteLog("DHGen result " + serverDHParams);
#endif
return;
}
_authTimeElapsed = authTime.Elapsed;
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop SetClientDHParams");
#endif
var getKeyTimer = Stopwatch.StartNew();
var authKey = GetAuthKey(bBytes, serverDHInnerData.GA.ToBytes(), serverDHInnerData.DHPrime.ToBytes());
var logCountersString = new StringBuilder();
logCountersString.AppendLine("Auth Counters");
logCountersString.AppendLine();
logCountersString.AppendLine("pq factorization time: " + calcTime);
logCountersString.AppendLine("calc auth key time: " + getKeyTimer.Elapsed);
logCountersString.AppendLine("auth time: " + _authTimeElapsed);
#if LOG_REGISTRATION
TLUtils.WriteLog(logCountersString.ToString());
#endif
//newNonce - little endian
//authResponse.ServerNonce - little endian
var salt = GetSalt(newNonce.ToBytes(), resPQ.ServerNonce.ToBytes());
var sessionId = new byte[8];
random.NextBytes(sessionId);
TLUtils.WriteLine("Salt " + BitConverter.ToInt64(salt, 0) + " (" + BitConverter.ToString(salt) + ")");
TLUtils.WriteLine("Session id " + BitConverter.ToInt64(sessionId, 0) + " (" + BitConverter.ToString(sessionId) + ")");
callback(new WindowsPhone.Tuple <byte[], TLLong, TLLong>(authKey, new TLLong(BitConverter.ToInt64(salt, 0)), new TLLong(BitConverter.ToInt64(sessionId, 0))));
},
error =>
{
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop SetClientDHParams with error " + error.ToString());
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
});
},
error =>
{
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqDHParams with error " + error.ToString());
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
});
});
},
error =>
{
#if LOG_REGISTRATION
TLUtils.WriteLog("Stop ReqPQ with error " + error.ToString());
#endif
if (faultCallback != null)
{
faultCallback(error);
}
TLUtils.WriteLine(error.ToString());
});
}
