NuGet.ConsoleCredentialProvider.ReadLineAsSecureString C# (CSharp) Method

        public static SecureString ReadLineAsSecureString()
        {
            var secureString = new SecureString();

            try
            {
                ConsoleKeyInfo keyInfo;
                while ((keyInfo = Console.ReadKey(true)).Key != ConsoleKey.Enter)
                {
                    if (keyInfo.Key == ConsoleKey.Backspace)
                    {
                        if (secureString.Length < 1)
                        {
                            continue;
                        }
                        Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
                        Console.Write(' ');
                        Console.SetCursorPosition(Console.CursorLeft - 1, Console.CursorTop);
                        secureString.RemoveAt(secureString.Length - 1);
                    }
                    else
                    {
                        secureString.AppendChar(keyInfo.KeyChar);
                        Console.Write('*');
                    }
                }
                Console.WriteLine(String.Empty);
            }
            catch (InvalidOperationException)
            {
                // This can happen when you redirect nuget.exe input, either from the shell with "<" or 
                // from code with ProcessStartInfo. 
                // In this case, just read data from Console.ReadLine()
                foreach (var c in Console.ReadLine())
                {
                    secureString.AppendChar(c);
                }
            }

            secureString.MakeReadOnly();
            return secureString;
        }