crypto

key2 = {}

change = function(letter)
  char = 0
  for i=1, #key2 do
    if letter == key2[i] then
	  char = i + 34
	  if char < #key2 then
	    char = char - #key2
	  end
	  return key2[char]
	end
  end
end


print("file:")
file = fs.open(read(), "r")
reading = true
linenum = 0
filestring
while reading == true do
  curline = file.readLine()
  if linenum == 0 then
    filestring = curline
  elseif file.readLine() == nil then
    reading = false
  else
    filestring = filestring.."&"..curline
  end
end
file.close()


shell.run("delete", "key")
shell.run("pastebin", "get", "0ZGDdCwk", "key")
key = fs.open("key", "r")
reading = true
while reading == true do
  curline = key.readLine()
  if curline  == nil then
    reading = false
  else
    table.insert(key2, curline)
  end
end

for a = 1, #filestring do
  print(change(string.sub(filestring, a,a)))
end