Clear() public method

public Clear ( ) : void
return void
Ejemplo n.º 1
0
        public SecureString ReadLine()
        {
            // make sure Ctrl+C can abort editing
            _mainThread = Thread.CurrentThread;
            Console.CancelKeyPress += InterruptEdit;

            SecureString buffer = new SecureString();
            var finished = false;
            while (!finished)
            {
                try
                {
                    finished = ReadKey(buffer);
                }
                catch (ThreadAbortException)
                {
                    // thrown on Ctrl+C
                    Thread.ResetAbort();
                    buffer.Clear();
                    buffer = null;
                    break;
                }
            }

            Console.WriteLine();
            // reset Ctrl+C handling
            Console.CancelKeyPress -= InterruptEdit;
            return buffer;
        }
Ejemplo n.º 2
0
		public unsafe void UnsafeConstructor ()
		{
			try {
				SecureString ss = null;
				char[] data = new char[] { 'a', 'b', 'c' };
				fixed (char* p = &data[0]) {
					ss = new SecureString (p, data.Length);
				}
				Assert.IsFalse (ss.IsReadOnly (), "IsReadOnly");
				Assert.AreEqual (3, ss.Length, "3");
				ss.AppendChar ('a');
				Assert.AreEqual (4, ss.Length, "4");
				ss.Clear ();
				Assert.AreEqual (0, ss.Length, "0b");
				ss.InsertAt (0, 'b');
				Assert.AreEqual (1, ss.Length, "1b");
				ss.SetAt (0, 'c');
				Assert.AreEqual (1, ss.Length, "1c");
				ss.RemoveAt (0);
				Assert.AreEqual (0, ss.Length, "0c");
				ss.Dispose ();
			}
			catch (NotSupportedException) {
				Assert.Ignore (NotSupported);
			}
		}
Ejemplo n.º 3
0
		public static void ComposeFile(BinaryWriter writer, string username, SecureString password,
			long IP, ushort port, string databaseName)
		{
			byte[] encodedDbName = UTF8.GetBytes(databaseName);
			byte[] encodedPassword = UTF8.GetBytes(ConvertToUnsecureString(password));
			byte[] encodedUsername = UTF8.GetBytes(username);
			byte[] publicKey = GenerateRandomASCIChars(ENCODING_LENGTH);

			byte[] encryptedPassword;

			using (SHA1 sha = new SHA1CryptoServiceProvider())
			{
				encryptedPassword = AESEncryption.Encrypt(sha.ComputeHash(encodedPassword), publicKey, PRIVATE_VECTOR, PRIVATE_KEY);
			}

			password.Clear();
			DestroyData(encodedPassword);

			writer.Write(IP);
			writer.Write(port);
			writer.Write(encodedUsername.Length);
			writer.Write(encodedUsername);
			writer.Write(encodedDbName.Length);
			writer.Write(encodedDbName);
			writer.Write(publicKey.Length);
			writer.Write(publicKey);
			writer.Write(encryptedPassword.Length);
			writer.Write(encryptedPassword);

			DestroyData(encryptedPassword);
		}
Ejemplo n.º 4
0
        public static void ToSecureString(this String value, SecureString secureString)
        {
            secureString.Clear();

            if (value != null)
            {
                Array.ForEach(value.ToArray(), secureString.AppendChar);
                secureString.MakeReadOnly();
            }
        }
Ejemplo n.º 5
0
 public static SecureString SetValue(this SecureString ss, string str)
 {
     if (ss != null)
     {
         ss.Clear();
         if (str != null)
         {
             foreach (var c in str)
             {
                 ss.AppendChar(c);
             }
         }
     }
     return(ss);
 }
Ejemplo n.º 6
0
        private static SecureString GetPasswordFromConsole()
        {
            SecureString password = new SecureString();
            bool readingPassword = true;

            Console.Write("Enter password: "******" ");
                            Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
                        }
                        break;
                    default:
                        if (userInput.KeyChar != 0)
                        {
                            password.AppendChar(userInput.KeyChar);
                            Console.Write("*");
                        }
                        break;
                }
            }
            Console.WriteLine();

            password.MakeReadOnly();
            return password;
        }
Ejemplo n.º 7
0
    public RenameComputer(string computerName, string newComputerName)
    {
        ps = PowerShell.Create();

        domainUName = System.Configuration.ConfigurationManager.AppSettings["AddCUser"];
        domainPWord = System.Configuration.ConfigurationManager.AppSettings["AddCPW"];
        localUName = System.Configuration.ConfigurationManager.AppSettings["AdminUser"];
        localPWord = System.Configuration.ConfigurationManager.AppSettings["AdminPW"];

        securestring = new System.Security.SecureString();
        foreach (char c in localPWord) { securestring.AppendChar(c); }
        localCred = new PSCredential(domainUName, securestring);
        securestring.Clear();
        foreach (char c in domainPWord) { securestring.AppendChar(c); }
        domainCred = new PSCredential(domainUName, securestring);

        parameters = new List<string>();
        this.computerName = computerName;
        this.newComputerName = newComputerName;
    }
        public static string Sellar(string strPathLlave, string strLlavePwd, string strCadenaOriginal)
        {
            try
            {
                string       strSello       = string.Empty;
                SecureString passwordSeguro = new System.Security.SecureString();
                passwordSeguro.Clear();
                foreach (char c in strLlavePwd.ToCharArray())
                {
                    passwordSeguro.AppendChar(c);
                }

                byte[] llavePrivadaBytes = System.IO.File.ReadAllBytes(strPathLlave);

                RSACryptoServiceProvider rsa = opensslkey.DecodeEncryptedPrivateKeyInfo(llavePrivadaBytes, passwordSeguro);

                if (rsa == null)
                {
                    byte[] bytes = new byte[llavePrivadaBytes.Length - 3];

                    for (int i = 3; i < llavePrivadaBytes.Length; i++)
                    {
                        bytes[i - 3] = llavePrivadaBytes[i];
                    }

                    llavePrivadaBytes = bytes;

                    rsa = opensslkey.DecodeEncryptedPrivateKeyInfo(llavePrivadaBytes, passwordSeguro);
                }

                SHA1CryptoServiceProvider hasher = new SHA1CryptoServiceProvider();
                byte[] bytesFirmados             = rsa.SignData(System.Text.Encoding.UTF8.GetBytes(strCadenaOriginal), hasher);
                strSello = Convert.ToBase64String(bytesFirmados);

                return(strSello);
            }
            catch (Exception ex)
            {
                return("");
            }
        }
Ejemplo n.º 9
0
		public void DefaultConstructor ()
		{
			try {
				SecureString ss = new SecureString ();
				Assert.IsFalse (ss.IsReadOnly (), "IsReadOnly");
				Assert.AreEqual (0, ss.Length, "0");
				ss.AppendChar ('a');
				Assert.AreEqual (1, ss.Length, "1");
				ss.Clear ();
				Assert.AreEqual (0, ss.Length, "0b");
				ss.InsertAt (0, 'b');
				Assert.AreEqual (1, ss.Length, "1b");
				ss.SetAt (0, 'c');
				Assert.AreEqual (1, ss.Length, "1c");
				Assert.AreEqual ("System.Security.SecureString", ss.ToString (), "ToString");
				ss.RemoveAt (0);
				Assert.AreEqual (0, ss.Length, "0c");
				ss.Dispose ();
			}
			catch (NotSupportedException) {
				Assert.Ignore (NotSupported);
			}
		}