Пример #1
0
 public static SHA1 CreateSHA1()
 {
     return(SHA1.Create(CryptoConfig.AllowOnlyFipsAlgorithms ? _SHA1CryptoServiceProvider : _SHA1Cng));
 }
Пример #2
0
        public static byte[] GetSHA1Hash(byte[] key)
        {
            var sha1Hasher = SHA1.Create();

            return(sha1Hasher.ComputeHash(key));
        }
Пример #3
0
 /// <summary>
 /// 验证 SHA1 值
 /// </summary>
 /// <param name="input"> 未加密的字符串 </param>
 /// <param name="encoding"> 字符编码 </param>
 /// <returns></returns>
 public static bool VerifySHA1Value(string input, Encoding encoding)
 {
     return(VerifyHashValue(SHA1.Create(), input, SHA1Encrypt(input, encoding), encoding));
 }
Пример #4
0
        private void btnsave_Click(object sender, EventArgs e)
        {
            errorProvider1.Clear();

            if (combo_usertype.Text.Length <= 0)
            {
                errorProvider1.SetError(combo_usertype, "This field cannot be empty");
            }
            else if (txtusername.Text.Length <= 0)
            {
                errorProvider1.SetError(txtusername, "This field cannot be empty");
            }
            else if (txtpassword.Text.Length <= 0)
            {
                errorProvider1.SetError(txtpassword, "This field cannot be empty");
            }
            else if (txtcon_password.Text.Length <= 0)
            {
                errorProvider1.SetError(txtcon_password, "This field cannot be empty");
            }
            else if (txtpassword.Text != txtcon_password.Text)
            {
                errorProvider1.SetError(txtcon_password, "Password Mismatch");
            }
            else
            {
                try
                {
                    String password = txtpassword.Text;
                    // byte[] hash = null;

                    using (SHA1 sha1 = SHA1.Create())
                    {
                        // sha1.Initialize();
                        byte[]        hash = sha1.ComputeHash(Encoding.UTF8.GetBytes(password));
                        StringBuilder sb   = new StringBuilder();

                        for (int i = 0; i < hash.Length; ++i)
                        {
                            sb.Append(hash[i].ToString("x2"));
                        }
                        password = sb.ToString();
                    }

                    conn.Open();
                    String InsertQuery = "INSERT INTO New_User VALUES('" + combo_usertype.Text + "','" + txtusername.Text
                                         + "', '" + password + "', '" + label11.Text + "')";

                    SqlDataAdapter execute = new SqlDataAdapter(InsertQuery, conn);
                    execute.SelectCommand.ExecuteNonQuery();
                    MessageBox.Show("You've inserted successfully!", "Successful Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    conn.Close();

                    SqlDataAdapter data = new SqlDataAdapter("Select ID,User_Type,User_Name,Create_Date from New_User", conn);
                    DataTable      dt   = new DataTable();
                    data.Fill(dt);
                    dataGridView1.DataSource = dt;

                    combo_usertype.Text  = "";
                    txtusername.Text     = "";
                    txtpassword.Text     = "";
                    txtcon_password.Text = "";
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
            conn.Close();
        }
Пример #5
0
        string CalculateShaPassHash(string name, string password)
        {
            SHA1 sha = SHA1.Create();

            return(sha.ComputeHash(Encoding.UTF8.GetBytes(name + ":" + password)).ToHexString());
        }
Пример #6
0
        /// <summary>
        /// </summary>
        /// <param name="pass">
        /// </param>
        /// <returns>
        /// </returns>
        public static byte[] Sha1HashBytes(string pass)
        {
            SHA1 sha = SHA1.Create();

            return(sha.ComputeHash(Encoding.UTF8.GetBytes(pass)));
        }
Пример #7
0
        private void InitializeNetwork()
        {
            lock (m_initializeLock)
            {
                m_configuration.Lock();

                if (m_status == NetPeerStatus.Running)
                {
                    return;
                }

                if (m_configuration.m_enableUPnP)
                {
                    m_upnp = new NetUPnP(this);
                }

                InitializePools();

                m_releasedIncomingMessages.Clear();
                m_unsentUnconnectedMessages.Clear();
                m_handshakes.Clear();

                // bind to socket
                IPEndPoint iep = null;

                iep = new IPEndPoint(m_configuration.LocalAddress, m_configuration.Port);
                EndPoint ep = (EndPoint)iep;

                m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
                m_socket.ReceiveBufferSize = m_configuration.ReceiveBufferSize;
                m_socket.SendBufferSize    = m_configuration.SendBufferSize;
                m_socket.Blocking          = false;
                m_socket.Bind(ep);

                IPEndPoint boundEp = m_socket.LocalEndPoint as IPEndPoint;
                LogDebug("Socket bound to " + boundEp + ": " + m_socket.IsBound);
                m_listenPort = boundEp.Port;

                m_receiveBuffer            = new byte[m_configuration.ReceiveBufferSize];
                m_sendBuffer               = new byte[m_configuration.SendBufferSize];
                m_readHelperMessage        = new NetIncomingMessage(NetIncomingMessageType.Error);
                m_readHelperMessage.m_data = m_receiveBuffer;

                byte[] macBytes = new byte[8];
                NetRandom.Instance.NextBytes(macBytes);

#if IS_MAC_AVAILABLE
                try
                {
                    System.Net.NetworkInformation.PhysicalAddress pa = NetUtility.GetMacAddress();
                    if (pa != null)
                    {
                        macBytes = pa.GetAddressBytes();
                        LogVerbose("Mac address is " + NetUtility.ToHexString(macBytes));
                    }
                    else
                    {
                        LogWarning("Failed to get Mac address");
                    }
                }
                catch (NotSupportedException)
                {
                    // not supported; lets just kee the random bytes set above
                }
#endif
                byte[] epBytes  = BitConverter.GetBytes(boundEp.GetHashCode());
                byte[] combined = new byte[epBytes.Length + macBytes.Length];
                Array.Copy(epBytes, 0, combined, 0, epBytes.Length);
                Array.Copy(macBytes, 0, combined, epBytes.Length, macBytes.Length);
                m_uniqueIdentifier = BitConverter.ToInt64(SHA1.Create().ComputeHash(combined), 0);

                m_status = NetPeerStatus.Running;
            }
        }
Пример #8
0
        /// <summary>
        /// Computes the SHA1 hash
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        private byte[] ComputeSHA1(byte[] data)
        {
            var sha1 = SHA1.Create();

            return(sha1.ComputeHash(data));
        }
Пример #9
0
 private Md5SingletonHelper()
 {
     this.md5    = MD5.Create();
     this.sha1   = SHA1.Create();
     this.sha256 = SHA256.Create();
 }
Пример #10
0
 private string EncryptPassword(string password)
 {
     return(Convert.ToBase64String(SHA1.Create().ComputeHash(Encoding.ASCII.GetBytes(password))));
 }
Пример #11
0
        // FIXME: use timeout
        Message ProcessClientKeyExchange(Message request, TimeSpan timeout)
        {
            // FIXME: use correct buffer size
            MessageBuffer buffer = request.CreateBufferedCopy(0x10000);

            WSTrustRequestSecurityTokenResponseReader reader =
                new WSTrustRequestSecurityTokenResponseReader(Constants.WstTlsnegoProofTokenType, buffer.CreateMessage().GetReaderAtBodyContents(), SecurityTokenSerializer, null);

            reader.Read();

            TlsServerSessionInfo tlsInfo;

            if (!sessions.TryGetValue(reader.Value.Context, out tlsInfo))
            {
                throw new SecurityNegotiationException(String.Format("The context '{0}' does not exist in this SSL negotiation manager", reader.Value.Context));
            }
            TlsServerSession tls = tlsInfo.Tls;

            AppendNegotiationMessageXml(buffer.CreateMessage().GetReaderAtBodyContents(), tlsInfo);
//Console.WriteLine (System.Text.Encoding.UTF8.GetString (tlsInfo.Messages.ToArray ()));

            tls.ProcessClientKeyExchange(reader.Value.BinaryExchange.Value);

            byte [] serverFinished = tls.ProcessServerFinished();

            // The shared key is computed as recommended in WS-Trust:
            // P_SHA1(encrypted_key,SHA1(exc14n(RST..RSTRs))+"CK-HASH")
            byte [] hash          = SHA1.Create().ComputeHash(tlsInfo.Messages.ToArray());
            byte [] key           = tls.CreateHash(tls.MasterSecret, hash, "CK-HASH");
            byte [] keyTlsApplied = tls.ProcessApplicationData(key);
            foreach (byte b in hash)
            {
                Console.Write("{0:X02} ", b);
            }
            Console.WriteLine();
            foreach (byte b in key)
            {
                Console.Write("{0:X02} ", b);
            }
            Console.WriteLine();

            WstRequestSecurityTokenResponseCollection col =
                new WstRequestSecurityTokenResponseCollection();
            WstRequestSecurityTokenResponse rstr =
                new WstRequestSecurityTokenResponse(SecurityTokenSerializer);

            rstr.Context   = reader.Value.Context;
            rstr.TokenType = Constants.WsscContextToken;
            DateTime from = DateTime.Now;
            // FIXME: not sure if arbitrary key is used here.
            SecurityContextSecurityToken sct = SecurityContextSecurityToken.CreateCookieSecurityContextToken(
                // Create a new context.
                // (do not use sslnego context here.)
                new UniqueId(),
                "uuid-" + Guid.NewGuid(),
                key,
                from,
                // FIXME: use LocalServiceSecuritySettings.NegotiationTimeout
                from.AddHours(8),
                null,
                owner.Manager.ServiceCredentials.SecureConversationAuthentication.SecurityStateEncoder);

            rstr.RequestedSecurityToken = sct;
            // without this ProcessApplicationData(), .NET seems
            // to fail recovering the key.
            rstr.RequestedProofToken          = keyTlsApplied;
            rstr.RequestedAttachedReference   = new LocalIdKeyIdentifierClause(sct.Id);
            rstr.RequestedUnattachedReference = new SecurityContextKeyIdentifierClause(sct.ContextId, null);
            WstLifetime lt = new WstLifetime();

            lt.Created                = from;
            lt.Expires                = from.Add(SecurityBindingElement.LocalServiceSettings.IssuedCookieLifetime);
            rstr.Lifetime             = lt;
            rstr.BinaryExchange       = new WstBinaryExchange(Constants.WstBinaryExchangeValueTls);
            rstr.BinaryExchange.Value = serverFinished;

            col.Responses.Add(rstr);

            // Authenticator is mandatory for MS sslnego.
            rstr               = new WstRequestSecurityTokenResponse(SecurityTokenSerializer);
            rstr.Context       = reader.Value.Context;
            rstr.Authenticator = tls.CreateHash(key, hash, "AUTH-HASH");
            col.Responses.Add(rstr);

            sessions.Remove(reader.Value.Context);

            // FIXME: get correct tokenRequestor address (probably identity authorized?)
            if (owner.IssuedSecurityTokenHandler != null)
            {
                owner.IssuedSecurityTokenHandler(sct, request.Headers.ReplyTo);
            }

            return(Message.CreateMessage(request.Version, Constants.WstIssueReplyAction, col));
        }
Пример #12
0
        // This Function returns:
        // Good            : Everything Worked Correctly
        // RescanNeeded     : Something unexpectidly changed in the files, so Stop prompt user to rescan.
        // LogicError       : This Should never happen and is a logic problem in the code
        // FileSystemError  : Something is wrong with the files


        /// <summary>
        /// Performs the ROMVault File Copy, with the source and destination being files or zipped files
        /// </summary>
        /// <param name="fileIn">This is the file being copied, it may be a zipped file or a regular file system file</param>
        /// <param name="zipFileOut">This is the zip file that is being writen to, if it is null a new zip file will be made if we are coping to a zip</param>
        /// <param name="zipFilenameOut">This is the name of the .zip file to be made that will be created in zipFileOut</param>
        /// <param name="fileOut">This is the actual output filename</param>
        /// <param name="forceRaw">if true then we will do a raw copy, this is so that we can copy corrupt zips</param>
        /// <param name="error">This is the returned error message if this copy fails</param>
        /// <param name="foundFile">If we are SHA1/MD5 checking the source file for the first time, and it is different from what we expected the correct values for this file are returned in foundFile</param>
        /// <returns>ReturnCode.Good is the valid return code otherwire we have an error</returns>

        public static ReturnCode CopyFile(RvFile fileIn, ref ZipFile zipFileOut, string zipFilenameOut, RvFile fileOut, bool forceRaw, out string error, out RvFile foundFile)
        {
            foundFile = null;
            error     = "";

            if (_buffer == null)
            {
                _buffer = new byte[BufferSize];
            }

            bool rawCopy = RawCopy(fileIn, fileOut, forceRaw);

            ulong  streamSize        = 0;
            ushort compressionMethod = 8;
            bool   sourceTrrntzip    = false;


            ZipFile zipFileIn = null;

            System.IO.Stream readStream = null;


            bool isZeroLengthFile = DBHelper.IsZeroLengthFile(fileOut);

            if (!isZeroLengthFile)
            {
                #region check that the in and out file match
                if (fileOut.FileStatusIs(FileStatus.SizeFromDAT) && fileOut.Size != null && fileIn.Size != fileOut.Size)
                {
                    error = "Source and destination Size does not match. Logic Error.";
                    return(ReturnCode.LogicError);
                }
                if (fileOut.FileStatusIs(FileStatus.CRCFromDAT) && fileOut.CRC != null && !ArrByte.bCompare(fileIn.CRC, fileOut.CRC))
                {
                    error = "Source and destination CRC does not match. Logic Error.";
                    return(ReturnCode.LogicError);
                }

                if (fileOut.FileStatusIs(FileStatus.SHA1FromDAT) && fileIn.FileStatusIs(FileStatus.SHA1Verified))
                {
                    if (fileIn.SHA1 != null && fileOut.SHA1 != null && !ArrByte.bCompare(fileIn.SHA1, fileOut.SHA1))
                    {
                        error = "Source and destination SHA1 does not match. Logic Error.";
                        return(ReturnCode.LogicError);
                    }
                }
                if (fileOut.FileStatusIs(FileStatus.MD5CHDFromDAT) && fileIn.FileStatusIs(FileStatus.MD5Verified))
                {
                    if (fileIn.MD5 != null && fileOut.MD5 != null && !ArrByte.bCompare(fileIn.MD5, fileOut.MD5))
                    {
                        error = "Source and destination SHA1 does not match. Logic Error.";
                        return(ReturnCode.LogicError);
                    }
                }

                #endregion

                #region Find and Check/Open Input Files

                if (fileIn.FileType == FileType.ZipFile) // Input is a ZipFile
                {
                    RvDir zZipFileIn = fileIn.Parent;
                    if (zZipFileIn.FileType != FileType.Zip)
                    {
                        error = "Zip File Open but Source File is not a zip, Logic Error.";
                        return(ReturnCode.LogicError);
                    }

                    string fileNameIn = zZipFileIn.FullName;

                    sourceTrrntzip = (zZipFileIn.ZipStatus & ZipStatus.TrrntZip) == ZipStatus.TrrntZip;

                    //if (zZipFileIn.ZipFileType == RvZip.ZipType.Zip)
                    //{
                    zipFileIn = new ZipFile();

                    ZipReturn zr1;
                    if (fileIn.ZipFileHeaderPosition != null)
                    {
                        zr1 = zipFileIn.ZipFileOpen(fileNameIn, zZipFileIn.TimeStamp, false);
                    }
                    else
                    {
                        zr1 = zipFileIn.ZipFileOpen(fileNameIn, zZipFileIn.TimeStamp, true);
                    }
                    switch (zr1)
                    {
                    case ZipReturn.ZipGood:
                        break;

                    case ZipReturn.ZipErrorFileNotFound:
                        error = "File not found, Rescan required before fixing " + fileIn.Name;
                        return(ReturnCode.FileSystemError);

                    case ZipReturn.ZipErrorTimeStamp:
                        error = "File has changed, Rescan required before fixing " + fileIn.Name;
                        return(ReturnCode.FileSystemError);

                    default:
                        error = "Error Open Zip" + zr1 + ", with File " + fileIn.DatFullName;
                        return(ReturnCode.FileSystemError);
                    }
                    if (fileIn.ZipFileHeaderPosition != null)
                    {
                        zipFileIn.ZipFileOpenReadStreamQuick((ulong)fileIn.ZipFileHeaderPosition, rawCopy, out readStream, out streamSize, out compressionMethod);
                    }
                    else
                    {
                        zipFileIn.ZipFileOpenReadStream(fileIn.ZipFileIndex, rawCopy, out readStream, out streamSize, out compressionMethod);
                    }
                }
                else // Input is a regular file
                {
                    string fileNameIn = fileIn.FullName;
                    if (!IO.File.Exists(fileNameIn))
                    {
                        error = "Rescan needed, File Changed :" + fileNameIn;
                        return(ReturnCode.RescanNeeded);
                    }
                    IO.FileInfo fileInInfo = new IO.FileInfo(fileNameIn);
                    if (fileInInfo.LastWriteTime != fileIn.TimeStamp)
                    {
                        error = "Rescan needed, File Changed :" + fileNameIn;
                        return(ReturnCode.RescanNeeded);
                    }
                    int errorCode = IO.FileStream.OpenFileRead(fileNameIn, out readStream);
                    if (errorCode != 0)
                    {
                        error = new Win32Exception(errorCode).Message + ". " + fileNameIn;
                        return(ReturnCode.FileSystemError);
                    }
                    if (fileIn.Size == null)
                    {
                        error = "Null File Size found in Fixing File :" + fileNameIn;
                        return(ReturnCode.LogicError);
                    }
                    streamSize = (ulong)fileIn.Size;
                    if ((ulong)readStream.Length != streamSize)
                    {
                        error = "Rescan needed, File Length Changed :" + fileNameIn;
                        return(ReturnCode.RescanNeeded);
                    }
                }
                #endregion
            }
            else
            {
                sourceTrrntzip = true;
            }

            if (!rawCopy && (Settings.FixLevel == eFixLevel.TrrntZipLevel1 || Settings.FixLevel == eFixLevel.TrrntZipLevel2 || Settings.FixLevel == eFixLevel.TrrntZipLevel3))
            {
                compressionMethod = 8;
            }

            #region Find and Check/Open Output Files

            System.IO.Stream writeStream;
            if (fileOut.FileType == FileType.ZipFile)
            {
                // if ZipFileOut == null then we have not open the output zip yet so open it from writing.
                if (zipFileOut == null)
                {
                    if (IO.Path.GetFileName(zipFilenameOut) == "__ROMVault.tmp")
                    {
                        if (IO.File.Exists(zipFilenameOut))
                        {
                            IO.File.Delete(zipFilenameOut);
                        }
                    }
                    else if (IO.File.Exists(zipFilenameOut))
                    {
                        error = "Rescan needed, File Changed :" + zipFilenameOut;
                        return(ReturnCode.RescanNeeded);
                    }

                    zipFileOut = new ZipFile();
                    ZipReturn zrf = zipFileOut.ZipFileCreate(zipFilenameOut);
                    if (zrf != ZipReturn.ZipGood)
                    {
                        error = "Error Opening Write Stream " + zrf;
                        return(ReturnCode.FileSystemError);
                    }
                }
                else
                {
                    if (zipFileOut.ZipOpen != ZipOpenType.OpenWrite)
                    {
                        error = "Output Zip File is not set to OpenWrite, Logic Error.";
                        return(ReturnCode.LogicError);
                    }

                    if (zipFileOut.ZipFilename != (new IO.FileInfo(zipFilenameOut).FullName))
                    {
                        error = "Output Zip file has changed name from " + zipFileOut.ZipFilename + " to " + zipFilenameOut + ". Logic Error";
                        return(ReturnCode.LogicError);
                    }
                }

                if (fileIn.Size == null)
                {
                    error = "Null File Size found in Fixing File :" + fileIn.FullName;
                    return(ReturnCode.LogicError);
                }
                ZipReturn zr = zipFileOut.ZipFileOpenWriteStream(rawCopy, sourceTrrntzip, fileOut.Name, (ulong)fileIn.Size, compressionMethod, out writeStream);
                if (zr != ZipReturn.ZipGood)
                {
                    error = "Error Opening Write Stream " + zr;
                    return(ReturnCode.FileSystemError);
                }
            }
            else
            {
                if (IO.File.Exists(zipFilenameOut) && fileOut.GotStatus != GotStatus.Corrupt)
                {
                    error = "Rescan needed, File Changed :" + zipFilenameOut;
                    return(ReturnCode.RescanNeeded);
                }
                int errorCode = IO.FileStream.OpenFileWrite(zipFilenameOut, out writeStream);
                if (errorCode != 0)
                {
                    error = new Win32Exception(errorCode).Message + ". " + zipFilenameOut;
                    return(ReturnCode.FileSystemError);
                }
            }
            #endregion

            byte[] bCRC;
            byte[] bMD5  = null;
            byte[] bSHA1 = null;
            if (!isZeroLengthFile)
            {
                #region Do Data Tranfer

                CRC32Hash crc32 = null;
                MD5       md5   = null;
                SHA1      sha1  = null;

                if (!rawCopy)
                {
                    crc32 = new CRC32Hash();
                    md5   = MD5.Create();
                    sha1  = SHA1.Create();
                }

                ulong sizetogo = streamSize;

                while (sizetogo > 0)
                {
                    int sizenow = sizetogo > BufferSize ? BufferSize : (int)sizetogo;

                    try
                    {
                        readStream.Read(_buffer, 0, sizenow);
                    }
                    catch (ZlibException)
                    {
                        if (fileIn.FileType == FileType.ZipFile && zipFileIn != null)
                        {
                            ZipReturn zr = zipFileIn.ZipFileCloseReadStream();
                            if (zr != ZipReturn.ZipGood)
                            {
                                error = "Error Closing " + zr + " Stream :" + zipFileIn.Filename(fileIn.ReportIndex);
                                return(ReturnCode.FileSystemError);
                            }
                            zipFileIn.ZipFileClose();
                        }
                        else
                        {
                            readStream.Close();
                        }

                        if (fileOut.FileType == FileType.ZipFile)
                        {
                            ZipReturn zr = zipFileOut.ZipFileCloseWriteStream(new byte[] { 0, 0, 0, 0 });
                            if (zr != ZipReturn.ZipGood)
                            {
                                error = "Error Closing Stream " + zr;
                                return(ReturnCode.FileSystemError);
                            }
                            zipFileOut.ZipFileRollBack();
                        }
                        else
                        {
                            writeStream.Flush();
                            writeStream.Close();
                            IO.File.Delete(zipFilenameOut);
                        }

                        error = "Error in Data Stream";
                        return(ReturnCode.SourceCRCCheckSumError);
                    }
                    catch (Exception e)
                    {
                        error = "Error reading Source File " + e.Message;
                        return(ReturnCode.FileSystemError);
                    }

                    if (!rawCopy)
                    {
                        crc32.TransformBlock(_buffer, 0, sizenow, null, 0);
                        md5.TransformBlock(_buffer, 0, sizenow, null, 0);
                        sha1.TransformBlock(_buffer, 0, sizenow, null, 0);
                    }
                    try
                    {
                        writeStream.Write(_buffer, 0, sizenow);
                    }
                    catch (Exception e)
                    {
                        Debug.WriteLine(e.Message);
                        error = "Error writing out file. " + Environment.NewLine + e.Message;
                        return(ReturnCode.FileSystemError);
                    }
                    sizetogo = sizetogo - (ulong)sizenow;
                }
                writeStream.Flush();

                #endregion

                #region Collect Checksums


                // if we did a full copy then we just calculated all the checksums while doing the copy
                if (!rawCopy)
                {
                    crc32.TransformFinalBlock(_buffer, 0, 0);
                    md5.TransformFinalBlock(_buffer, 0, 0);
                    sha1.TransformFinalBlock(_buffer, 0, 0);

                    bCRC  = crc32.Hash;
                    bMD5  = md5.Hash;
                    bSHA1 = sha1.Hash;
                }
                // if we raw copied and the source file has been FileChecked then we can trust the checksums in the source file
                else
                {
                    bCRC = ArrByte.Copy(fileIn.CRC);
                    if (fileIn.FileStatusIs(FileStatus.MD5Verified))
                    {
                        bMD5 = ArrByte.Copy(fileIn.MD5);
                    }
                    if (fileIn.FileStatusIs(FileStatus.SHA1Verified))
                    {
                        bSHA1 = ArrByte.Copy(fileIn.SHA1);
                    }
                }

                #endregion

                #region close the ReadStream

                if (fileIn.FileType == FileType.ZipFile && zipFileIn != null)
                {
                    ZipReturn zr = zipFileIn.ZipFileCloseReadStream();
                    if (zr != ZipReturn.ZipGood)
                    {
                        error = "Error Closing " + zr + " Stream :" + zipFileIn.Filename(fileIn.ReportIndex);
                        return(ReturnCode.FileSystemError);
                    }
                    zipFileIn.ZipFileClose();
                }
                else
                {
                    readStream.Close();

                    //if (IO.File.Exists(tmpFilename))
                    //    IO.File.Delete(tmpFilename);
                }

                #endregion
            }
            else
            {
                // Zero Length File (Directory in a Zip)
                if (fileOut.FileType == FileType.ZipFile)
                {
                    zipFileOut.ZipFileAddDirectory();
                }
                bCRC  = VarFix.CleanMD5SHA1("00000000", 8);
                bMD5  = VarFix.CleanMD5SHA1("d41d8cd98f00b204e9800998ecf8427e", 32);
                bSHA1 = VarFix.CleanMD5SHA1("da39a3ee5e6b4b0d3255bfef95601890afd80709", 40);
            }


            #region close the WriteStream
            if (fileOut.FileType == FileType.ZipFile)
            {
                ZipReturn zr = zipFileOut.ZipFileCloseWriteStream(bCRC);
                if (zr != ZipReturn.ZipGood)
                {
                    error = "Error Closing Stream " + zr;
                    return(ReturnCode.FileSystemError);
                }
                fileOut.ZipFileIndex          = zipFileOut.LocalFilesCount() - 1;
                fileOut.ZipFileHeaderPosition = zipFileOut.LocalHeader(fileOut.ZipFileIndex);
            }
            else
            {
                writeStream.Flush();
                writeStream.Close();
                IO.FileInfo fi = new IO.FileInfo(zipFilenameOut);
                fileOut.TimeStamp = fi.LastWriteTime;
            }
            #endregion

            if (!isZeroLengthFile)
            {
                if (!rawCopy)
                {
                    if (!ArrByte.bCompare(bCRC, fileIn.CRC))
                    {
                        fileIn.GotStatus = GotStatus.Corrupt;
                        error            = "Source CRC does not match Source Data stream, corrupt Zip";

                        if (fileOut.FileType == FileType.ZipFile)
                        {
                            zipFileOut.ZipFileRollBack();
                        }
                        else
                        {
                            IO.File.Delete(zipFilenameOut);
                        }

                        return(ReturnCode.SourceCRCCheckSumError);
                    }

                    fileIn.FileStatusSet(FileStatus.CRCVerified | FileStatus.SizeVerified);

                    bool sourceFailed = false;

                    // check to see if we have a MD5 from the DAT file
                    if (fileIn.FileStatusIs(FileStatus.MD5FromDAT))
                    {
                        if (fileIn.MD5 == null)
                        {
                            error = "Should have an filein MD5 from Dat but not found. Logic Error.";
                            return(ReturnCode.LogicError);
                        }

                        if (!ArrByte.bCompare(fileIn.MD5, bMD5))
                        {
                            sourceFailed = true;
                        }
                        else
                        {
                            fileIn.FileStatusSet(FileStatus.MD5Verified);
                        }
                    }
                    // check to see if we have an MD5 (not from the DAT) so must be from previously scanning this file.
                    else if (fileIn.MD5 != null)
                    {
                        if (!ArrByte.bCompare(fileIn.MD5, bMD5))
                        {
                            // if we had an MD5 from a preview scan and it now does not match, something has gone really bad.
                            error = "The MD5 found does not match a previously scanned MD5, this should not happen, unless something got corrupt.";
                            return(ReturnCode.LogicError);
                        }
                    }
                    else // (FileIn.MD5 == null)
                    {
                        fileIn.MD5 = bMD5;
                        fileIn.FileStatusSet(FileStatus.MD5Verified);
                    }


                    // check to see if we have a SHA1 from the DAT file
                    if (fileIn.FileStatusIs(FileStatus.SHA1FromDAT))
                    {
                        if (fileIn.SHA1 == null)
                        {
                            error = "Should have an filein SHA1 from Dat but not found. Logic Error.";
                            return(ReturnCode.LogicError);
                        }

                        if (!ArrByte.bCompare(fileIn.SHA1, bSHA1))
                        {
                            sourceFailed = true;
                        }
                        else
                        {
                            fileIn.FileStatusSet(FileStatus.SHA1Verified);
                        }
                    }
                    // check to see if we have an SHA1 (not from the DAT) so must be from previously scanning this file.
                    else if (fileIn.SHA1 != null)
                    {
                        if (!ArrByte.bCompare(fileIn.SHA1, bSHA1))
                        {
                            // if we had an SHA1 from a preview scan and it now does not match, something has gone really bad.
                            error = "The SHA1 found does not match a previously scanned SHA1, this should not happen, unless something got corrupt.";
                            return(ReturnCode.LogicError);
                        }
                    }
                    else // (FileIn.SHA1 == null)
                    {
                        fileIn.SHA1 = bSHA1;
                        fileIn.FileStatusSet(FileStatus.SHA1Verified);
                    }



                    if (sourceFailed)
                    {
                        if (fileIn.FileType == FileType.ZipFile)
                        {
                            RvFile tZFile = new RvFile(FileType.ZipFile);
                            foundFile                    = tZFile;
                            tZFile.ZipFileIndex          = fileIn.ZipFileIndex;
                            tZFile.ZipFileHeaderPosition = fileIn.ZipFileHeaderPosition;
                        }
                        else
                        {
                            foundFile = new RvFile(fileIn.FileType);
                        }

                        foundFile.Name      = fileIn.Name;
                        foundFile.Size      = fileIn.Size;
                        foundFile.CRC       = bCRC;
                        foundFile.MD5       = bMD5;
                        foundFile.SHA1      = bSHA1;
                        foundFile.TimeStamp = fileIn.TimeStamp;
                        foundFile.SetStatus(DatStatus.NotInDat, GotStatus.Got);

                        foundFile.FileStatusSet(FileStatus.SizeVerified | FileStatus.CRCVerified | FileStatus.MD5Verified | FileStatus.SHA1Verified);

                        if (fileOut.FileType == FileType.ZipFile)
                        {
                            zipFileOut.ZipFileRollBack();
                        }
                        else
                        {
                            IO.File.Delete(zipFilenameOut);
                        }

                        return(ReturnCode.SourceCheckSumError);
                    }
                }
            }

            if (fileOut.FileType == FileType.ZipFile)
            {
                fileOut.FileStatusSet(FileStatus.SizeFromHeader | FileStatus.CRCFromHeader);
            }

            if (fileOut.FileStatusIs(FileStatus.CRCFromDAT) && fileOut.CRC != null && !ArrByte.bCompare(fileOut.CRC, bCRC))
            {
                //Rollback the file
                if (fileOut.FileType == FileType.ZipFile)
                {
                    zipFileOut.ZipFileRollBack();
                }
                else
                {
                    IO.File.Delete(zipFilenameOut);
                }

                return(ReturnCode.DestinationCheckSumError);
            }

            fileOut.CRC = bCRC;
            if (!rawCopy || fileIn.FileStatusIs(FileStatus.CRCVerified))
            {
                fileOut.FileStatusSet(FileStatus.CRCVerified);
            }


            if (bSHA1 != null)
            {
                if (fileOut.FileStatusIs(FileStatus.SHA1FromDAT) && fileOut.SHA1 != null && !ArrByte.bCompare(fileOut.SHA1, bSHA1))
                {
                    //Rollback the file
                    if (fileOut.FileType == FileType.ZipFile)
                    {
                        zipFileOut.ZipFileRollBack();
                    }
                    else
                    {
                        IO.File.Delete(zipFilenameOut);
                    }

                    return(ReturnCode.DestinationCheckSumError);
                }

                fileOut.SHA1 = bSHA1;
                fileOut.FileStatusSet(FileStatus.SHA1Verified);
            }

            if (bMD5 != null)
            {
                if (fileOut.FileStatusIs(FileStatus.MD5FromDAT) && fileOut.MD5 != null && !ArrByte.bCompare(fileOut.MD5, bMD5))
                {
                    //Rollback the file
                    if (fileOut.FileType == FileType.ZipFile)
                    {
                        zipFileOut.ZipFileRollBack();
                    }
                    else
                    {
                        IO.File.Delete(zipFilenameOut);
                    }

                    return(ReturnCode.DestinationCheckSumError);
                }
                fileOut.MD5 = bMD5;
                fileOut.FileStatusSet(FileStatus.MD5Verified);
            }

            if (fileIn.Size != null)
            {
                fileOut.Size = fileIn.Size;
                fileOut.FileStatusSet(FileStatus.SizeVerified);
            }



            if (fileIn.GotStatus == GotStatus.Corrupt)
            {
                fileOut.GotStatus = GotStatus.Corrupt;
            }
            else
            {
                fileOut.GotStatus = GotStatus.Got; // Changes RepStatus to Correct
            }
            fileOut.FileStatusSet(FileStatus.SizeVerified);

            if (fileOut.SHA1CHD == null && fileIn.SHA1CHD != null)
            {
                fileOut.SHA1CHD = fileIn.SHA1CHD;
            }
            if (fileOut.MD5CHD == null && fileIn.MD5CHD != null)
            {
                fileOut.MD5CHD = fileIn.MD5CHD;
            }


            fileOut.CHDVersion = fileIn.CHDVersion;

            fileOut.FileStatusSet(FileStatus.SHA1CHDFromHeader | FileStatus.MD5CHDFromHeader | FileStatus.SHA1CHDVerified | FileStatus.MD5CHDVerified, fileIn);


            return(ReturnCode.Good);
        }
Пример #13
0
        private void writeToStream(Stream writeStream)
        {
            fireDebug("Writing Ticket...");

            fireDebug("   Encrypting Title Key...");
            encryptTitleKey();
            fireDebug("    -> Decrypted Title Key: {0}", Shared.ByteArrayToString(decryptedTitleKey));
            fireDebug("    -> Encrypted Title Key: {0}", Shared.ByteArrayToString(encryptedTitleKey));

            if (fakeSign)
            {
                fireDebug("   Clearing Signature..."); signature = new byte[256];
            }                                                                     //Clear Signature if we fake Sign

            MemoryStream ms = new MemoryStream();

            ms.Seek(0, SeekOrigin.Begin);

            fireDebug("   Writing Signature Exponent... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(signatureExponent)), 0, 4);

            fireDebug("   Writing Signature... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(signature, 0, signature.Length);

            fireDebug("   Writing Padding... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(padding, 0, padding.Length);

            fireDebug("   Writing Issuer... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(issuer, 0, issuer.Length);

            fireDebug("   Writing Unknown... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(unknown, 0, unknown.Length);

            fireDebug("   Writing Title Key... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(encryptedTitleKey, 0, encryptedTitleKey.Length);

            fireDebug("   Writing Unknown2... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.WriteByte(unknown2);

            fireDebug("   Writing Ticket ID... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(ticketId)), 0, 8);

            fireDebug("   Writing Console ID... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(consoleId)), 0, 4);

            fireDebug("   Writing Title ID... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(titleId)), 0, 8);

            fireDebug("   Writing Unknwon3... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(unknown3)), 0, 2);

            fireDebug("   Writing NumOfDLC... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(numOfDlc)), 0, 2);

            fireDebug("   Writing Unknwon4... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(unknown4)), 0, 8);

            fireDebug("   Writing Padding2... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.WriteByte(padding2);

            fireDebug("   Writing Common Key Index... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.WriteByte(commonKeyIndex);

            fireDebug("   Writing Unknown5... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(unknown5, 0, unknown5.Length);

            fireDebug("   Writing Unknown6... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(unknown6, 0, unknown6.Length);

            fireDebug("   Writing Padding3... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(padding3)), 0, 2);

            fireDebug("   Writing Enable Time Limit... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(enableTimeLimit)), 0, 4);

            fireDebug("   Writing Time Limit... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(BitConverter.GetBytes(Shared.Swap(timeLimit)), 0, 4);

            fireDebug("   Writing Padding4... (Offset: 0x{0})", ms.Position.ToString("x8").ToUpper());
            ms.Write(padding4, 0, padding4.Length);

            byte[] tik = ms.ToArray();
            ms.Dispose();

            //fake Sign
            if (fakeSign)
            {
                fireDebug("   Fakesigning Ticket...");

                byte[] hash = new byte[20];
                SHA1   s    = SHA1.Create();

                for (ushort i = 0; i < 0xFFFF; i++)
                {
                    byte[] bytes = BitConverter.GetBytes(i);
                    tik[498] = bytes[1]; tik[499] = bytes[0];

                    hash = s.ComputeHash(tik);
                    if (hash[0] == 0x00)
                    {
                        fireDebug("   -> Signed ({0})", i); break;
                    }                                              //Win! It's signed...

                    if (i == 0xFFFF - 1)
                    {
                        fireDebug("    -> Signing Failed..."); throw new Exception("Fakesigning failed...");
                    }
                }

                s.Clear();
            }

            writeStream.Seek(0, SeekOrigin.Begin);
            writeStream.Write(tik, 0, tik.Length);

            fireDebug("Writing Ticket Finished...");
        }
Пример #14
0
 static byte[] Hash(string input)
 {
     return(SHA1.Create().ComputeHash(Encoding.GetEncoding(28591).GetBytes(input)));
 }
Пример #15
0
        private void authorize(string login, string password, bool createNew, ContentControl statusControl)
        {
            statusControl.Visibility = Visibility.Hidden;
            FileSystemSettingsWindow fssw = null;

            if (createNew)
            {
                fssw = new FileSystemSettingsWindow();
                if (!fssw.ShowDialog().Value)
                {
                    return;
                }
            }

            FileDialog dialog = createNew ? (FileDialog) new SaveFileDialog() : (FileDialog) new OpenFileDialog();

            dialog.DefaultExt = "mfs";
            dialog.Filter     = "Meow disk (*.mfs)|*.mfs";
            UserInfo userInfo = null;

            if (dialog.ShowDialog() == true)
            {
                FileSystemController fsctrl = new FileSystemController();
                SHA1   sha    = SHA1.Create();
                string digest = UsefulThings.ENCODING.GetString(sha.ComputeHash(UsefulThings.ENCODING.GetBytes(password)));
                digest = UsefulThings.replaceControlChars(digest);
                bool success;

                try
                {
                    if (createNew)
                    {
                        //Создать
                        //TODO 15.11: запрашивать параметры создаваемого диска?

                        /*ushort clusterSize = FileSystemController.FACTOR * 4; //Блок = 4 КБ
                         * ushort rootSize = (ushort)(clusterSize * 10); //Корневой каталог = 10 блоков
                         * uint diskSize = 50 * FileSystemController.FACTOR * FileSystemController.FACTOR; //Раздел = 50 МБ (или 1 МБ для тестов)*/
                        fsctrl.SuperBlock = new SuperBlock(fsctrl, "MeowFS", fssw.ClusterSizeBytes, fssw.RootSizeBytes, fssw.DiskSizeBytes);
                        fsctrl.Fat        = new FAT(fsctrl, (int)(fssw.DiskSizeBytes / fssw.ClusterSizeBytes));
                        fsctrl.RootDir    = UsefulThings.ENCODING.GetBytes(new String('\0', fssw.RootSizeBytes));
                        fsctrl.createSpace(dialog.FileName, login, digest);
                        userInfo = new UserInfo(1, login, 1, UserInfo.DEFAULT_GROUP, UserInfo.Roles.ADMIN);
                        success  = true;
                    }
                    else
                    {
                        //Открыть
                        fsctrl.openSpace(dialog.FileName);
                        byte[]   users    = fsctrl.readFile("/users.sys", false);
                        string[] usersStr = UsefulThings.fileFromByteArrToStringArr(users);
                        string[] tokens   = { "", "", "", "" }; //0 = login, 1 = digest, 2 = gid, 3 = role
                        ushort   uid;
                        success = false;
                        for (uid = 1; uid <= usersStr.Length && !success; ++uid)
                        {
                            tokens  = usersStr[uid - 1].Split(UsefulThings.USERDATA_SEPARATOR.ToString().ToArray(), StringSplitOptions.None);
                            success = tokens[0].ToLower().Equals(login.ToLower()) && tokens[1].Equals(digest);
                        }
                        if (success)
                        {
                            --uid;
                            byte[]   groups    = fsctrl.readFile("/groups.sys", false);
                            string[] groupsStr = UsefulThings.fileFromByteArrToStringArr(groups);
                            ushort   gid       = ushort.Parse(tokens[2]); if (gid > groups.Length)
                            {
                                gid = 1;
                            }
                            userInfo = new UserInfo(uid, tokens[0], gid, groupsStr[gid - 1], (UserInfo.Roles)Enum.Parse(typeof(UserInfo.Roles), tokens[3]));
                        }
                    }
                }
                catch
                {
                    success = false;
                }
                finally
                {
                    fsctrl.closeSpace();
                }

                if (success)
                {
                    Session.userInfo = userInfo;
                    MainWindow mw = new MainWindow(dialog.FileName);
                    Close();
                    mw.Show();
                }
                else
                {
                    statusControl.Content    = "Доступ не разрешён";
                    statusControl.Visibility = Visibility.Visible;
                }
            }
        }
Пример #16
0
        /// <summary>
        /// Executes the <paramref name="actions"/> step by step, and emits
        /// <see cref="ActionEvaluation"/> for each step.
        /// </summary>
        /// <param name="blockHash">The <see cref="Block{T}.Hash"/> of <see cref="Block{T}"/> that
        /// <paramref name="actions"/> belongs to.</param>
        /// <param name="blockIndex">The <see cref="Block{T}.Index"/> of <see cref="Block{T}"/> that
        /// <paramref name="actions"/> belongs to.</param>
        /// <param name="txid">The <see cref="Transaction{T}.Id"/> of <see cref="Transaction{T}"/>
        /// that <paramref name="actions"/> belongs to.  This can be <c>null</c> on rehearsal mode
        /// or if an action is a <see cref="IBlockPolicy{T}.BlockAction"/>.</param>
        /// <param name="previousStates">The states immediately before <paramref name="actions"/>
        /// being executed.  Note that its <see cref="IAccountStateDelta.UpdatedAddresses"/> are
        /// remained to the returned next states.</param>
        /// <param name="minerAddress">An address of block miner.</param>
        /// <param name="signer">Signer of the <paramref name="actions"/>.</param>
        /// <param name="signature"><see cref="Transaction{T}"/> signature used to generate random
        /// seeds.</param>
        /// <param name="actions">Actions to evaluate.</param>
        /// <param name="rehearsal">Pass <c>true</c> if it is intended
        /// to be dry-run (i.e., the returned result will be never used).
        /// The default value is <c>false</c>.</param>
        /// <returns>Enumerates <see cref="ActionEvaluation"/>s for each one in
        /// <paramref name="actions"/>.  The order is the same to the <paramref name="actions"/>.
        /// Note that each <see cref="IActionContext.Random"/> object
        /// has a unconsumed state.
        /// </returns>
        /// <exception cref="UnexpectedlyTerminatedActionException">
        /// Thrown when one of <paramref name="actions"/> throws some exception.
        /// The actual exception that an <see cref="IAction"/> threw
        /// is stored in its <see cref="Exception.InnerException"/> property.
        /// </exception>
        internal static IEnumerable <ActionEvaluation> EvaluateActionsGradually(
            HashDigest <SHA256> blockHash,
            long blockIndex,
            TxId?txid,
            IAccountStateDelta previousStates,
            Address minerAddress,
            Address signer,
            byte[] signature,
            IImmutableList <IAction> actions,
            bool rehearsal = false)
        {
            ActionContext CreateActionContext(
                IAccountStateDelta prevStates,
                int randomSeed
                ) =>
            new ActionContext(
                signer: signer,
                miner: minerAddress,
                blockIndex: blockIndex,
                previousStates: prevStates,
                randomSeed: randomSeed,
                rehearsal: rehearsal
                );

            byte[] hashedSignature;
            using (var hasher = SHA1.Create())
            {
                hashedSignature = hasher.ComputeHash(signature);
            }

            int seed =
                BitConverter.ToInt32(blockHash.ToByteArray(), 0) ^
                (signature.Any() ? BitConverter.ToInt32(hashedSignature, 0) : 0);

            IAccountStateDelta states = previousStates;

            foreach (IAction action in actions)
            {
                ActionContext context =
                    CreateActionContext(states, seed);
                IAccountStateDelta nextStates;
                try
                {
                    nextStates = action.Execute(context);
                }
                catch (Exception e)
                {
                    string msg;
                    if (!rehearsal)
                    {
                        msg = $"The action {action} (block #{blockIndex} {blockHash}, tx {txid}) " +
                              "threw an exception during execution.  See also this exception's " +
                              "InnerException property.";
                        throw new UnexpectedlyTerminatedActionException(
                                  blockHash, blockIndex, txid, action, msg, e
                                  );
                    }

                    msg =
                        $"The action {action} threw an exception during its " +
                        "rehearsal.  It is probably because the logic of the " +
                        $"action {action} is not enough generic so that it " +
                        "can cover every case including rehearsal mode.\n" +
                        "The IActionContext.Rehearsal property also might be " +
                        "useful to make the action can deal with the case of " +
                        "rehearsal mode.\n" +
                        "See also this exception's InnerException property.";
                    throw new UnexpectedlyTerminatedActionException(
                              null, null, null, action, msg, e
                              );
                }

                // As IActionContext.Random is stateful, we cannot reuse
                // the context which is once consumed by Execute().
                ActionContext equivalentContext =
                    CreateActionContext(states, seed);

                yield return(new ActionEvaluation(
                                 action,
                                 equivalentContext,
                                 nextStates
                                 ));

                states = nextStates;
                unchecked
                {
                    seed++;
                }
            }
        }
Пример #17
0
        /// <summary>
        /// Creates a name-based UUID using the algorithm from RFC 4122 §4.3.
        /// </summary>
        /// <param name="namespaceId">The ID of the namespace.</param>
        /// <param name="name">The name (within that namespace).</param>
        /// <param name="version">The version number of the UUID to create; this value must be either
        /// 3 (for MD5 hashing) or 5 (for SHA-1 hashing).</param>
        /// <returns>A UUID derived from the namespace and name.</returns>
        /// <remarks>See <a href="http://code.logos.com/blog/2011/04/generating_a_deterministic_guid.html">Generating a deterministic GUID</a>.</remarks>
        public static Guid Create(Guid namespaceId, string name, int version)
        {
            if (name == null)
            {
                throw new ArgumentNullException("name");
            }
            if (version != 3 && version != 5)
            {
                throw new ArgumentOutOfRangeException("version", "version must be either 3 or 5.");
            }

            // convert the name to a sequence of octets (as defined by the standard or conventions of its namespace) (step 3)
            // ASSUME: UTF-8 encoding is always appropriate
            byte[] nameBytes = Encoding.UTF8.GetBytes(name);

            // convert the namespace UUID to network order (step 3)
            byte[] namespaceBytes = namespaceId.ToByteArray();
            SwapByteOrder(namespaceBytes);

            // comput the hash of the name space ID concatenated with the name (step 4)
            byte[] hash;
            using (HashAlgorithm algorithm = version == 3 ? (HashAlgorithm)MD5.Create() : SHA1.Create())
            {
                algorithm.TransformBlock(namespaceBytes, 0, namespaceBytes.Length, null, 0);
                algorithm.TransformFinalBlock(nameBytes, 0, nameBytes.Length);
                hash = algorithm.Hash;
            }

            // most bytes from the hash are copied straight to the bytes of the new GUID (steps 5-7, 9, 11-12)
            byte[] newGuid = new byte[16];
            Array.Copy(hash, 0, newGuid, 0, 16);

            // set the four most significant bits (bits 12 through 15) of the time_hi_and_version field to the appropriate 4-bit version number from Section 4.1.3 (step 8)
            newGuid[6] = (byte)((newGuid[6] & 0x0F) | (version << 4));

            // set the two most significant bits (bits 6 and 7) of the clock_seq_hi_and_reserved to zero and one, respectively (step 10)
            newGuid[8] = (byte)((newGuid[8] & 0x3F) | 0x80);

            // convert the resulting UUID to local byte order (step 13)
            SwapByteOrder(newGuid);
            return(new Guid(newGuid));
        }
Пример #18
0
        public void SignVerify_InteroperableSameKeys_RoundTripsUnlessTampered(ECDsa ecdsa, HashAlgorithmName hashAlgorithm)
        {
            byte[] data = Encoding.UTF8.GetBytes("something to repeat and sign");

            // large enough to make hashing work though multiple iterations and not a multiple of 4KB it uses.
            byte[]       dataArray  = new byte[33333];
            MemoryStream dataStream = new MemoryStream(dataArray, true);

            while (dataStream.Position < dataArray.Length - data.Length)
            {
                dataStream.Write(data, 0, data.Length);
            }

            dataStream.Position = 0;

            byte[] dataArray2 = new byte[dataArray.Length + 2];
            dataArray.CopyTo(dataArray2, 1);
            ArraySegment <byte> dataSpan = new ArraySegment <byte>(dataArray2, 1, dataArray.Length);

            HashAlgorithm halg;

            if (hashAlgorithm == HashAlgorithmName.MD5)
            {
                halg = MD5.Create();
            }
            else if (hashAlgorithm == HashAlgorithmName.SHA1)
            {
                halg = SHA1.Create();
            }
            else if (hashAlgorithm == HashAlgorithmName.SHA256)
            {
                halg = SHA256.Create();
            }
            else if (hashAlgorithm == HashAlgorithmName.SHA384)
            {
                halg = SHA384.Create();
            }
            else if (hashAlgorithm == HashAlgorithmName.SHA512)
            {
                halg = SHA512.Create();
            }
            else
            {
                throw new Exception("Hash algorithm not supported.");
            }

            List <byte[]> signatures = new List <byte[]>(6);

            // Compute a signature using each of the SignData overloads.  Then, verify it using each
            // of the VerifyData overloads, and VerifyHash overloads.
            //
            // Then, verify that VerifyHash fails if the data is tampered with.

            signatures.Add(ecdsa.SignData(dataArray, hashAlgorithm));

            signatures.Add(ecdsa.SignData(dataSpan.Array, dataSpan.Offset, dataSpan.Count, hashAlgorithm));

            signatures.Add(ecdsa.SignData(dataStream, hashAlgorithm));
            dataStream.Position = 0;

            signatures.Add(ecdsa.SignHash(halg.ComputeHash(dataArray)));

            signatures.Add(ecdsa.SignHash(halg.ComputeHash(dataSpan.Array, dataSpan.Offset, dataSpan.Count)));

            signatures.Add(ecdsa.SignHash(halg.ComputeHash(dataStream)));
            dataStream.Position = 0;

            foreach (byte[] signature in signatures)
            {
                Assert.True(ecdsa.VerifyData(dataArray, signature, hashAlgorithm), "Verify 1");

                Assert.True(ecdsa.VerifyData(dataSpan.Array, dataSpan.Offset, dataSpan.Count, signature, hashAlgorithm), "Verify 2");

                Assert.True(ecdsa.VerifyData(dataStream, signature, hashAlgorithm), "Verify 3");
                Assert.True(dataStream.Position == dataArray.Length, "Check stream read 3A");
                dataStream.Position = 0;

                Assert.True(ecdsa.VerifyHash(halg.ComputeHash(dataArray), signature), "Verify 4");

                Assert.True(ecdsa.VerifyHash(halg.ComputeHash(dataSpan.Array, dataSpan.Offset, dataSpan.Count), signature), "Verify 5");

                Assert.True(ecdsa.VerifyHash(halg.ComputeHash(dataStream), signature), "Verify 6");
                Assert.True(dataStream.Position == dataArray.Length, "Check stream read 6A");
                dataStream.Position = 0;
            }

            int distinctSignatures = signatures.Distinct(new ByteArrayComparer()).Count();

            Assert.True(distinctSignatures == signatures.Count, "Signing should be randomized");

            foreach (byte[] signature in signatures)
            {
                signature[signature.Length - 1] ^= 0xFF; // flip some bits

                Assert.False(ecdsa.VerifyData(dataArray, signature, hashAlgorithm), "Verify Tampered 1");

                Assert.False(ecdsa.VerifyData(dataSpan.Array, dataSpan.Offset, dataSpan.Count, signature, hashAlgorithm), "Verify Tampered 2");

                Assert.False(ecdsa.VerifyData(dataStream, signature, hashAlgorithm), "Verify Tampered 3");
                Assert.True(dataStream.Position == dataArray.Length, "Check stream read 3B");
                dataStream.Position = 0;

                Assert.False(ecdsa.VerifyHash(halg.ComputeHash(dataArray), signature), "Verify Tampered 4");

                Assert.False(ecdsa.VerifyHash(halg.ComputeHash(dataSpan.Array, dataSpan.Offset, dataSpan.Count), signature), "Verify Tampered 5");

                Assert.False(ecdsa.VerifyHash(halg.ComputeHash(dataStream), signature), "Verify Tampered 6");
                Assert.True(dataStream.Position == dataArray.Length, "Check stream read 6B");
                dataStream.Position = 0;
            }
        }
Пример #19
0
 public HashSHA1(BackgroundWorker bg) : base(bg, SHA1.Create())
 {
 }
Пример #20
0
 private static Byte[] SendConnect(Byte[] webSocketKey)
 {
     return(Encoding.UTF8.GetBytes("HTTP/1.1 101 Switching Protocols" + Environment.NewLine
                                   + "Connection: Upgrade" + Environment.NewLine
                                   + "Upgrade: websocket" + Environment.NewLine
                                   + "Sec-WebSocket-Accept: " + Convert.ToBase64String(SHA1.Create().ComputeHash(webSocketKey)) + Environment.NewLine
                                   + Environment.NewLine));
 }
Пример #21
0
        // Create a login button event, to check the login details
        private void btnLogin_Click(object sender, EventArgs e)
        {
            try
            {
                using (SQLiteConnection dbcon = new SQLiteConnection())
                {
                    //Use the dbConnection as the data source
                    dbcon.ConnectionString = dbConnection.dbsource;
                    //using SHA1 hash password
                    //create new instance of sha1
                    SHA1 sha1 = SHA1.Create();
                    //convert string to an array of bytes
                    byte[] hashData = sha1.ComputeHash(Encoding.Default.GetBytes(textBoxPassword.Text));
                    //use a StringBuilder to save hash value
                    StringBuilder hashValue = new StringBuilder();
                    // for each byte, add to the StringBuilder
                    for (int i = 0; i < hashData.Length; i++)
                    {
                        hashValue.Append(hashData[i].ToString());
                    }
                    // return sha1 hash value
                    string hashresult = hashValue.ToString();
                    //MessageBox.Show(hashresult); //Check the result
                    //SQL as a String
                    string sql = "SELECT Password,StaffNo,Manager FROM Staff WHERE Username=@name";
                    using (SQLiteCommand cmd = new SQLiteCommand(sql, dbcon))
                    {
                        cmd.Parameters.AddWithValue("name", textBoxUsername.Text);
                        dbcon.Open();
                        using (SQLiteDataReader dr = cmd.ExecuteReader())
                        {
                            if (!dr.HasRows)
                            {
                                throw new Exception();
                            }
                            dr.Read();
                            if (hashresult != dr[0].ToString())
                            {
                                throw new Exception();
                            }
                            //stfid = Convert.ToInt32(dr[1]);

                            int IDSM;                      //use IDSM to check if the one login is a staff or a manager
                            IDSM = Convert.ToInt32(dr[2]); //convert "manager" column to int
                            GlobalData.GDUserName = textBoxUsername.Text;

                            dbcon.Close();
                            //Close connection to Database
                            tsText.Image = Properties.Resources.green;
                            //Display a Green Tick on the Syayus Bar
                            tsText.Text = "Welcome, " + textBoxUsername.Text + " ! Have a nice day!";
                            //Change the text on the status bus with username entered.
                            MessageBox.Show("Login Successful. " + "Welcome, " + textBoxUsername.Text + "! Have a nice day!", "Login");
                            //Display a message box with username entered.


                            StaffView   staffView   = new StaffView();
                            ManagerView managerView = new ManagerView();
                            //using IDSM to decide which interface to show and hide login interface
                            if (IDSM == 0)
                            {
                                this.Hide();
                                staffView.Show();
                            }
                            else if (IDSM == 1)
                            {
                                this.Hide();
                                managerView.Show();
                            }
                        }
                    }
                }
            }

            //finally { };
            catch (Exception)
            {
                timer1.Start();
            }
        }
Пример #22
0
        public static byte[] GetHash(HashType type, Stream stream, long reportInterval, IProgress <long> progress)
        {
            HashAlgorithm hash = null;

            try
            {
                switch (type)
                {
                case HashType.MD5:
                    hash = MD5.Create();
                    break;

                case HashType.SHA1:
                    hash = SHA1.Create();
                    break;

                case HashType.SHA256:
                    hash = SHA256.Create();
                    break;

                case HashType.SHA384:
                    hash = SHA384.Create();
                    break;

                case HashType.SHA512:
                    hash = SHA512.Create();
                    break;

                default:
                    throw new InvalidOperationException("Invalid Hash Type");
                }

                // No progress report
                if (reportInterval <= 0 || progress == null)
                {
                    return(hash.ComputeHash(stream));
                }

                // With progress report
                long   nextReport = reportInterval;
                long   offset     = stream.Position;
                byte[] buffer     = new byte[BufferSize];
                int    bytesRead;
                do
                {
                    bytesRead = stream.Read(buffer, 0, buffer.Length);
                    hash.TransformBlock(buffer, 0, bytesRead, buffer, 0);
                    offset += bytesRead;
                    if (nextReport <= offset)
                    {
                        progress.Report(offset);
                        nextReport += reportInterval;
                    }
                }while (0 < bytesRead);

                hash.TransformFinalBlock(buffer, 0, 0);
                return(hash.Hash);
            }
            finally
            {
                if (hash != null)
                {
                    hash.Dispose();
                }
            }
        }
        internal static string GetHashCore(KernelTransaction transaction, string fileFullPath, HashType hashType, PathFormat pathFormat)
        {
            const GetFullPathOptions options = GetFullPathOptions.RemoveTrailingDirectorySeparator | GetFullPathOptions.FullCheck;
            var fileNameLp = Path.GetExtendedLengthPathCore(transaction, fileFullPath, pathFormat, options);

            byte[] hash = null;


            using (var fs = OpenCore(transaction, fileNameLp, FileMode.Open, FileAccess.Read, FileShare.Read, ExtendedFileAttributes.Normal, null, null, PathFormat.LongFullPath))
            {
                switch (hashType)
                {
                case HashType.CRC32:
                    using (var hType = new Crc32())
                        hash = hType.ComputeHash(fs);
                    break;


                case HashType.CRC64ISO3309:
                    using (var hType = new Crc64())
                        hash = hType.ComputeHash(fs);
                    break;


                case HashType.MD5:
                    using (var hType = MD5.Create())
                        hash = hType.ComputeHash(fs);
                    break;


                case HashType.RIPEMD160:
                    using (var hType = RIPEMD160.Create())
                        hash = hType.ComputeHash(fs);
                    break;


                case HashType.SHA1:
                    using (var hType = SHA1.Create())
                        hash = hType.ComputeHash(fs);
                    break;


                case HashType.SHA256:
                    using (var hType = SHA256.Create())
                        hash = hType.ComputeHash(fs);
                    break;


                case HashType.SHA384:
                    using (var hType = SHA384.Create())
                        hash = hType.ComputeHash(fs);
                    break;


                case HashType.SHA512:
                    using (var hType = SHA512.Create())
                        hash = hType.ComputeHash(fs);
                    break;
                }
            }


            if (null != hash)
            {
                var sb = new StringBuilder(hash.Length);

                foreach (var b in hash)
                {
                    sb.Append(b.ToString("X2", CultureInfo.InvariantCulture));
                }

                return(sb.ToString().ToUpperInvariant());
            }

            return(string.Empty);
        }
Пример #24
0
        public static byte[] GetHash(HashType type, byte[] input, int reportInterval, IProgress <long> progress)
        {
            HashAlgorithm hash = null;

            try
            {
                switch (type)
                {
                case HashType.MD5:
                    hash = MD5.Create();
                    break;

                case HashType.SHA1:
                    hash = SHA1.Create();
                    break;

                case HashType.SHA256:
                    hash = SHA256.Create();
                    break;

                case HashType.SHA384:
                    hash = SHA384.Create();
                    break;

                case HashType.SHA512:
                    hash = SHA512.Create();
                    break;

                default:
                    throw new InvalidOperationException("Invalid Hash Type");
                }

                // No progress report
                if (reportInterval <= 0 || progress == null)
                {
                    return(hash.ComputeHash(input));
                }

                // With progress report
                int offset = 0;
                while (offset < input.Length)
                {
                    if (offset + reportInterval < input.Length)
                    {
                        hash.TransformBlock(input, offset, reportInterval, input, offset);
                        offset += reportInterval;
                    }
                    else // Last run
                    {
                        int bytesRead = input.Length - offset;
                        hash.TransformFinalBlock(input, offset, bytesRead);
                        offset += bytesRead;
                    }

                    progress.Report(offset);
                }
                return(hash.Hash);
            }
            finally
            {
                if (hash != null)
                {
                    hash.Dispose();
                }
            }
        }
Пример #25
0
        private void btninsert_Click(object sender, EventArgs e)
        {
            errorProvider1.Clear();
            if (combo_usertype.Text.Length <= 0)
            {
                errorProvider1.SetError(combo_usertype, "Please Select Usser Type");
            }
            else if (txtusername.Text.Length <= 0)
            {
                errorProvider1.SetError(txtusername, "Enter User Name");
            }

            else if (password.Text.Length <= 0)
            {
                errorProvider1.SetError(password, "Please Enter the Password ");
            }
            else if (password.Text != txtconfirmpassword.Text)
            {
                errorProvider1.SetError(txtconfirmpassword, "Password Mismatch");
            }

            else
            {
                try
                {
                    conn.Close();
                    conn.Open();

                    String password1 = password.Text;
                    // byte[] hash = null;

                    using (SHA1 sha1 = SHA1.Create())
                    {
                        // sha1.Initialize();
                        byte[]        hash = sha1.ComputeHash(Encoding.UTF8.GetBytes(password1));
                        StringBuilder sb   = new StringBuilder();

                        for (int i = 0; i < hash.Length; ++i)
                        {
                            sb.Append(hash[i].ToString("x2"));
                        }
                        password1 = sb.ToString();
                    }


                    String         query   = "Insert into New_User (Username,Password,User_Type,Created_Date) values('" + txtusername.Text + "','" + password1 + "','" + combo_usertype.Text + "','" + labeltime.Text + "')";
                    SqlDataAdapter execute = new SqlDataAdapter(query, conn);
                    execute.SelectCommand.ExecuteNonQuery();
                    MessageBox.Show("Successfully Record Inserted!!");
                    DataTable();
                    refresh();

                    conn.Close();
                }

                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        private static void Validate(string license, DateTime releaseDate, string projectNamespace)
        {
            if (license == null || projectNamespace == null)
            {
                throw new InvalidLicenseException("License and project namespace cannot be null or empty");
            }

            var licenseParts = license.Trim().Split('-');

            if (licenseParts.Length != 2)
            {
                throw new InvalidLicenseException("License text is invalid");
            }

            var licenseIdData      = licenseParts[0];
            var licenseDetailsData = licenseParts[1];

            if (!int.TryParse(licenseIdData, NumberStyles.Integer, CultureInfo.InvariantCulture, out var licenseId))
            {
                throw new InvalidLicenseException("License text is invalid");
            }

            byte[] licenseAsBytes;
            try
            {
                licenseAsBytes = Convert.FromBase64String(licenseDetailsData);
            }
            catch
            {
                throw new InvalidLicenseException("License text is invalid");
            }

            var stream = new MemoryStream(licenseAsBytes, SigningDataLength, licenseAsBytes.Length - SigningDataLength);
            var parsedLicenseDetails = new StreamReader(stream).ReadToEnd();

            var parsedLicenseParts = parsedLicenseDetails.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);

            if (parsedLicenseParts.Length != 6)
            {
                throw new InvalidLicenseException("License details are invalid");
            }

            if (!DateTime.TryParseExact(parsedLicenseParts[1], "yyyy-MM-dd", CultureInfo.InvariantCulture, DateTimeStyles.None, out var expiryDate))
            {
                throw new InvalidLicenseException("License expiry date is invalid");
            }

            if (!int.TryParse(
                    parsedLicenseParts[0],
                    NumberStyles.Integer,
                    CultureInfo.InvariantCulture,
                    out var parsedLicenseId))
            {
                throw new InvalidLicenseException("License ID is invalid");
            }

            var licenseDetails = new LicenseDetails
            {
                Id                 = parsedLicenseId,
                ExpiryDate         = expiryDate,
                User               = parsedLicenseParts[2],
                InformationDetails = parsedLicenseParts[3],
                Type               = parsedLicenseParts[4],
                NamespacePrefix    = parsedLicenseParts[5]
            };

            var parsedSigningData = licenseDetails.GetSignificateData();

            var signingData = new byte[SigningDataLength];

            Array.Copy(licenseAsBytes, signingData, SigningDataLength);

            var cryptoProvider = new RSACryptoServiceProvider(1024)
            {
                PersistKeyInCsp = false
            };

            cryptoProvider.ImportCspBlob(Convert.FromBase64String(PublicKey));

            var dataVerified = cryptoProvider.VerifyData(parsedSigningData, SHA1.Create(), signingData);

            if (!dataVerified)
            {
                throw new InvalidLicenseException("License text does not match signature");
            }

            if (licenseDetails.Id != licenseId)
            {
                throw new InvalidLicenseException("License ID does not match signature license ID");
            }

            if (licenseDetails.ExpiryDate < releaseDate)
            {
                throw new InvalidLicenseException($"License is not valid for this version of My Tested ASP.NET Core MVC. License expired on {licenseDetails.ExpiryDate.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)}. This version of My Tested ASP.NET Core MVC was released on {releaseDate.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)}");
            }

            if (licenseDetails.Type != LicenseType.Enterprise && licenseDetails.NamespacePrefix != "." && !projectNamespace.StartsWith(licenseDetails.NamespacePrefix))
            {
                throw new InvalidLicenseException($"License is not valid for '{projectNamespace}' test project");
            }

            if (licenseDetails.Type == LicenseType.Internal)
            {
                throw new InvalidLicenseException("License is for internal use only");
            }

            registeredLicenses.Add(licenseDetails);
        }
Пример #27
0
 /// <summary>
 /// SHA1 加密
 /// </summary>
 /// <param name="input"> 要加密的字符串 </param>
 /// <param name="encoding"> 字符编码 </param>
 /// <returns></returns>
 public static string SHA1Encrypt(string input, Encoding encoding)
 {
     return(HashEncrypt(SHA1.Create(), input, encoding));
 }
Пример #28
0
		private static string GetHash(string text)
		{
			var byteArray = SHA1.Create().ComputeHash(Encoding.UTF8.GetBytes(text));
			return BitConverter.ToString(byteArray).Replace("-", "");
		}
        protected override void HandleLtMetadataMessage(PeerId id, LTMetadata message)
        {
            base.HandleLtMetadataMessage(id, message);

            switch (message.MetadataMessageType)
            {
            case LTMetadata.eMessageType.Data:
                if (stream == null)
                {
                    throw new Exception("Need extention handshake before ut_metadata message.");
                }

                stream.Seek(message.Piece * LTMetadata.BlockSize, SeekOrigin.Begin);
                stream.Write(message.MetadataPiece, 0, message.MetadataPiece.Length);
                bitField[message.Piece] = true;
                if (bitField.AllTrue)
                {
                    byte[] hash;
                    stream.Position = 0;
#if NETSTANDARD1_5
                    using (SHA1 hasher = SHA1.Create())
#else
                    using (SHA1 hasher = HashAlgoFactory.Create <SHA1>())
#endif
                        hash = hasher.ComputeHash(stream);

                    if (!Manager.InfoHash.Equals(hash))
                    {
                        bitField.SetAll(false);
                    }
                    else
                    {
                        System.Net.BitTorrent.Common.Torrent t;
                        stream.Position = 0;
                        BEncodedDictionary dict = new BEncodedDictionary();
                        dict.Add("info", BEncodedValue.Decode(stream));
                        // FIXME: Add the trackers too
                        if (System.Net.BitTorrent.Common.Torrent.TryLoad(dict.Encode(), out t))
                        {
                            try
                            {
                                if (Directory.Exists(savePath))
                                {
                                    savePath = Path.Combine(savePath, Manager.InfoHash.ToHex() + ".torrent");
                                }
                                File.WriteAllBytes(savePath, dict.Encode());
                            }
                            catch (Exception ex)
                            {
                                Logger.Log(null, "*METADATA EXCEPTION* - Can not write in {0} : {1}", savePath, ex);
                                Manager.Error = new Error(Reason.WriteFailure, ex);
                                Manager.Mode  = new ErrorMode(Manager);
                                return;
                            }
                            t.TorrentPath   = savePath;
                            Manager.Torrent = t;
                            SwitchToRegular();
                        }
                        else
                        {
                            bitField.SetAll(false);
                        }
                    }
                }
                //Double test because we can change the bitfield in the other block
                if (!bitField.AllTrue)
                {
                    RequestNextNeededPiece(id);
                }
                break;

            case LTMetadata.eMessageType.Reject:
                //TODO
                //Think to what we do in this situation
                //for moment nothing ;)
                //reject or flood?
                break;

            case LTMetadata.eMessageType.Request:    //ever done in base class but needed to avoid default
                break;

            default:
                throw new MessageException(string.Format("Invalid messagetype in LTMetadata: {0}", message.MetadataMessageType));
            }
        }
Пример #30
0
        public async Task Start(CancellationToken cancellationToken = default)
        {
            var linkedSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, _cts.Token);

            linkedSource.Token.Register(() => _tcpListener.Stop());

            _tcpListener.Start();

            while (!linkedSource.Token.IsCancellationRequested)
            {
                try
                {
                    var tcpClient = await _tcpListener.AcceptTcpClientAsync().WithCancellation(linkedSource.Token);

                    var networkStream = tcpClient.GetStream();

                    while (!networkStream.DataAvailable)
                    {
                        ;
                    }
                    while (tcpClient.Available < 3)
                    {
                        ;                            // match against "get"
                    }
                    byte[] bytes = new byte[tcpClient.Available];
                    networkStream.Read(bytes, 0, tcpClient.Available);
                    string s = Encoding.UTF8.GetString(bytes);

                    if (Regex.IsMatch(s, "^GET", RegexOptions.IgnoreCase))
                    {
                        string swk            = Regex.Match(s, $"{ClientHandshakeHeader} (.*)").Groups[1].Value.Trim();
                        string swka           = swk + Guid;
                        byte[] swkaSha1       = SHA1.Create().ComputeHash(Encoding.UTF8.GetBytes(swka));
                        string swkaSha1Base64 = Convert.ToBase64String(swkaSha1);

                        byte[] response = GetServerHandshakeResponseTemplate(swkaSha1Base64);

                        networkStream.Write(response, 0, response.Length);

                        var webSocket = WebSocket.CreateFromStream(networkStream, isServer: true, null, Timeout.InfiniteTimeSpan);

                        if (await _webSocketQueue.SendAsync(webSocket))
                        {
                            var actionBlock = new ActionBlock <WebSocket>(
                                (ws) => ProcessWebSocketClient(ws, cancellationToken: linkedSource.Token), _consumerOptions);

                            _webSocketQueue.LinkTo(actionBlock, _linkOptions);

                            _clients.Add(webSocket);
                        }
                    }
                }
                catch (OperationCanceledException)
                {
                    //ignore
                }
                catch (Exception)
                {
                    //maybe log the error
                }
            }
        }