local function EXECUTE(key)
    local xorKey = "8b64b53738b7e0f3f55dce35f598c4c37d3d0b670fcc6db313fe90c4be45e747"

    local function xor(data, key)
        local out = table.create(#data)
        local keyLen = #key
        for i = 1, #data do
            local dataByte = data:byte(i)
            local keyByte = key:byte(((i-1) % keyLen) + 1)
            out[i] = string.char(bit32.bxor(dataByte, keyByte))
        end
        return table.concat(out)
    end

    if key == "" or key == nil then
        local alt = game:HttpGet("https://voidy-script.neocities.org/test")
        local altChunk, err = loadstring(alt)
        if not altChunk then
            warn("Failed to load alternate script: " .. tostring(err))
            return
        end
        altChunk()
        return
    end

    local encrypted = game:HttpGet("https://vertex-z.onrender.com/43hfndsjdf74093oidjfgh7348wkeys.lua")
    local decrypted = xor(encrypted, xorKey)
    local chunk, loadErr = loadstring(decrypted)
    if not chunk then
        warn("loadstring failed: " .. tostring(loadErr))
        return
    end
    local ok, remoteModuleOrErr = pcall(chunk)
    if not ok then
        warn("executing loaded chunk failed: " .. tostring(remoteModuleOrErr))
        return
    end

    local remoteModule = remoteModuleOrErr
    if type(remoteModule) ~= "table" then
        warn("loaded chunk did not return a table; got: " .. tostring(type(remoteModule)))
        return
    end

    local function isValid(k)
        for _, perm in ipairs(remoteModule.permKeys or {}) do
            if k == perm then return true end
        end
        if type(remoteModule.tempKeys) == "table" then
            for tempKey, _ in pairs(remoteModule.tempKeys) do
                if k == tempKey then return true end
            end
        end
        return false
    end

    if not isValid(key) then
        game.Players.LocalPlayer:Kick("Key invalid")
        return
    end

    print("key system complete")
end

return EXECUTE