CC Simple Encryption

-- Encrypt a value
function encrypt(value)
  local x, encrypted

  encrypted = ""
  for x = 1, #value do
    encrypted = encrypted .. string.char(value:byte(x) + 1)
  end

  return encrypted
end

-- Decrypt a value
function decrypt(value)
  local x, decrypted

  decrypted = ""
  for x = 1, #value do
    decrypted = decrypted .. string.char(value:byte(x) - 1)
  end

  return decrypted
end