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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.")
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| 3 | + | error("Please save the potatOS disk signing key (ECC signing key) to " .. privkey_path .. " to use this program.")
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| 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) |