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1 | local privkey_path = ".potatos_dsk" | |
2 | if not fs.exists(privkey_path) then | |
3 | - | error("Please save the potatOS disk signing key (or alternate table-format ECC signing key) to " .. privkey_path .. " to use this program.") |
3 | + | error("Please save the potatOS disk signing key (ECC signing key) to " .. privkey_path .. " to use this program.") |
4 | end | |
5 | ||
6 | - | local ecc = require "./ecc" |
6 | + | local ecc = require "./ecc" "ecc" |
7 | - | local t = ecc "ecc" |
7 | + | |
8 | local input, output, UUID_override = ... | |
9 | - | local thing, UUID_override = ... |
9 | + | |
10 | local f = fs.open(thing, "r") | |
11 | local text = f.readAll() | |
12 | f.close() | |
13 | return text | |
14 | end | |
15 | ||
16 | local function hexize(key) | |
17 | local out = "" | |
18 | for _, v in pairs(key) do | |
19 | out = out .. string.format("%.2x", v) | |
20 | end | |
21 | return out | |
22 | end | |
23 | ||
24 | local function unhexize(key) | |
25 | local out = {} | |
26 | for i = 1, #key, 2 do | |
27 | local pair = key:sub(i, i + 1) | |
28 | table.insert(out, tonumber(pair, 16)) | |
29 | end | |
30 | return out | |
31 | end | |
32 | ||
33 | local function fwrite(fname, text) | |
34 | local f = fs.open(fname, "w") | |
35 | f.write(text) | |
36 | f.close() | |
37 | end | |
38 | ||
39 | local pkey = unhexize(fread(privkey_path)) | |
40 | ||
41 | local UUID = "" | |
42 | - | local _, side = os.pullEvent "disk" |
42 | + | |
43 | - | local mp = disk.getMountPath(side) |
43 | + | |
44 | - | local path = fs.combine(mp, "startup") |
44 | + | for i = 1, 10 do |
45 | - | local sig_path = fs.combine(mp, "signature") |
45 | + | UUID = UUID .. string.char(math.random(97, 122)) |
46 | end | |
47 | - | local UUID_path = fs.combine(mp, "UUID") |
47 | + | |
48 | ||
49 | print("UUID:", UUID) | |
50 | ||
51 | local text = fread(input):gsub("@UUID@", UUID) | |
52 | - | if fs.exists(UUID_path) then UUID = fread(UUID_path) |
52 | + | local signature = hexize(ecc.sign(pkey, text)) |
53 | - | else |
53 | + | local fullcode = ([[---PXSIG:%s |
54 | - | for i = 1, 10 do |
54 | + | ---PXUUID:%s |
55 | - | UUID = UUID .. string.char(math.random(97, 122)) |
55 | + | %s]]):format(signature, UUID, text) |
56 | - | end |
56 | + | fwrite(output, fullcode) |