View difference between Paste ID: TfNgRUKC and 9tb0RW04

 local privkey_path = ".potatos_dsk"
 if not fs.exists(privkey_path) then
 	error("Please save the potatOS disk signing key (or alternate table-format ECC signing key) to " .. privkey_path .. " to use this program.")
-local thing = ...
+
 
 local ecc = require "./ecc"
 local t = ecc "ecc"
 
 local thing, UUID_override = ...
 local function fread(thing)
     local f = fs.open(thing, "r")
     local text = f.readAll()
     f.close()
     return text
 end
 
 local function hexize(key)
     local out = ""
     for _, v in pairs(key) do
         out = out .. string.format("%.2x", v)
     end
     return out
 end
 
 local function unhexize(key)
-local pkey = textutils.unserialise(fread ".potato_rds_priv")
+    local out = {}
     for i = 1, #key, 2 do
-while true do
+        local pair = key:sub(i, i + 1)
-    local _, side = os.pullEvent "disk"
+        table.insert(out, tonumber(pair, 16))
-    local mp = disk.getMountPath(side)
+
-    local path = fs.combine(mp, "startup")
+
-    local sig_path = fs.combine(mp, "signature")
+
-    local UUID_path = fs.combine(mp, "UUID")
+
-    local UUID = math.random(0, 1000000)
+
-    print(UUID)
+
-    disk.setLabel(side, thing)
+
-    local text = fread(thing):gsub("@UUID@", tostring(UUID))
+
-    --print(text, path)
+
-    fwrite(path, text)
+
-    print "Written data."
+local pkey = unhexize(fread(privkey_path))
-    fwrite(sig_path, hexize(t.sign(
+
-        pkey,
+local _, side = os.pullEvent "disk"
-        text
+local mp = disk.getMountPath(side)
-    )))
+local path = fs.combine(mp, "startup")
-    fwrite(UUID_path, tostring(UUID))
+local sig_path = fs.combine(mp, "signature")
-    print "Written signature."
+
-end
+local UUID_path = fs.combine(mp, "UUID")
 local UUID = ""
 
 if UUID_override then UUID = UUID_override
 else
 	if fs.exists(UUID_path) then UUID = fread(UUID_path)
 	else
 		for i = 1, 10 do
 			UUID = UUID .. string.char(math.random(97, 122))
 		end
 	end
 end
 
 print("UUID:", UUID)
 
 disk.setLabel(side, thing)
 local text = fread(thing):gsub("@UUID@", UUID)
 
 fwrite(path, text)
 print "Written data."
 fwrite(sig_path, hexize(t.sign(
     pkey,
     text
 )))
 fwrite(UUID_path, tostring(UUID))
 print "Written signature."
 print("Disk ID:", disk.getID(side))