Door Lock Server

dofile = function(path,...)
    local f = loadfile(path)
    setfenv(f,_G)
    return f(...)
end

local Tunnel = dofile("Tunnel/init.lua","Tunnel")
local AESkeys = {}

local file = fs.open("pass","r")
local pass = file.readAll()
print(pass)
file.close()

local modem = peripheral.wrap("right")

modem.open(405)

local function addConnection()
    while true do
        print("Adding connection...")
        local secretNumber = Tunnel.DH.connect(modem,404,BigNum)
        local AESkey = Tunnel.SHA.sha256(tostring(secretNumber))
        local id = #AESkeys + 1
        AESkeys[id] = AESkey
        modem.transmit(404,2,id)
    end
end

term.redirect(term.native())

local event = {}

local function main()
    while true do
        event = {os.pullEvent()}
        if event[1] == "modem_message" and event[3] == 405 then
        decrypted = nil
            local decrypted = Tunnel.AES.decryptBytes(AESkeys[event[4]],event[5])
            if decrypted == pass then
                print("WOW, Yissss!")
                rs.setOutput("left",true)
                sleep(3)
                rs.setOutput("left",false)
            end
        end
    end
end

parallel.waitForAll(main,addConnection)