Advanced Password Program v1.0.2 (debugging stage)

-- AdvancedPasswordProgram

os.pullEvent = os.pullEventRaw -- Program cannot be terminated until run

print ("Please enter password:") -- Prompt user to enter password into console
local password = io.read()

charTyped = {} -- creating table with name "charTyped"
position = 1 -- Assigning initial table position to 1

function hideCharacter() -- Creating fucntion to hide characters for added security
  write ("*")
end

while true do -- Always loop (allows for any length password)
 event, character = os.pullEvent("char") -- If a character is pressed on the keyboard, execute the code below
  if character ~= "" then -- Checking to make sure a character has been entered, if true execute the code below
    hideCharacter()
    table.insert(charTyped, position, character) -- Inserting typed character into the table "charTyped"
    position = position + 1 -- Incrementing table position by 1
  end
end

while true do -- Always loop
  event, scancode = os.pullEvent("key") -- If a key is pressed on the keyboard, execute the code below
  if key == "28" then -- Checking to see if the key pressed was "Enter", if true execute the code below
    local typedPassword = table.concat(charTyped) -- Concatenating the original version of the table "charTyped" and assigning it to the variable "typedPassword"
    table.sort(charTyped) -- Sorting the table elements into numerical and alohabetical order
    local decodedPassword = table.concat(charTyped) -- Concatenating the table elements into a string and assigning it to the variable "decodedPassword"
    if typedPassword == "49e7FryO"
    and decodedPassword == "497eForY" then -- Checking to see if the original version of the table is in the right order and the sorted version of the table contains the correct numbers and letters, if true execute the code below
      print ("Authorisation successful!") -- Printing the test "Authorisation successful!" to the display
      sleep(2) -- Pausing for two seconds
      rs.setOutput("left", true) -- Setting the output state of the Redstone on the left side of the computer to on
      sleep(2) -- Pausing for two seconds
      rs.setOutput("left", false) -- Setting the output state of the Redstone on the left side of the computer to off
      os.shutdown() -- Shutdown computer to add extra security by preventing a user from typing "edit startup" in the console and changing the password.
    end
  end
end