mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-22 00:06:13 +08:00
91 lines
2 KiB
Lua
91 lines
2 KiB
Lua
local luamiibo_open, err = package.loadlib("./libluamiibo.so", "luaopen_luamiibo")
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if err then
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print(err)
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return
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end
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local luamiibo = luamiibo_open()
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local FLAG_SETTINGS_INITIALIZED = 4
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local FLAG_APPDATA_INITIALIZED = 3
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local Amiibo = {}
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Amiibo.__index = Amiibo
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function Amiibo:new (o)
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o = o or {}
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setmetatable(o, self)
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if o.tag ~= nil then
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o:load_tag(o.tag)
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end
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return o
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end
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function Amiibo:load_tag (tag)
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self.plain = luamiibo.unpack(tag)
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-- UID
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local raw_uid = string.sub(self.plain, 469, 469 + 8)
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self.uid = string.sub(raw_uid, 1, 3) .. string.sub(raw_uid, 5, 8)
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-- Settings
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local count, flags = bin.unpack('C', string.sub(self.plain, 45, 45))
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self.setting_flags = flags
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self.settings_initialized = self:check_flag(FLAG_SETTINGS_INITIALIZED)
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self.appdata_initialized = self:check_flag(FLAG_APPDATA_INITIALIZED)
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local _, appdatacounter = bin.unpack('>S', string.sub(self.plain, 49, 50))
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self.appdata_counter = appdatacounter
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self.figure_id = string.sub(self.plain, 477, 477 + 8)
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-- UTF-16 nickname string
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self.nickname = string.sub(self.plain, 57, 76)
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end
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function Amiibo:export_tag ()
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return luamiibo.pack(self.plain)
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end
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function Amiibo:check_flag (power)
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local flag = math.pow(2, power)
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return flag == bit32.band(self.setting_flags, flag)
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end
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function Amiibo:get_pwd ()
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local xorkey = "\xaa\x55\xaa\x55"
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local result = ''
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for i = 1, 4 do
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result = result ..
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bin.pack('C',
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bit32.bxor(self.uid:byte(i+1),
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self.uid:byte(i+3),
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xorkey:byte(i)))
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end
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return result
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end
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-- Hack to make UTF-16 nicknames into regular char string
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-- Only works for ASCII nicknames
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function Amiibo:display_nickname()
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local nickname_tmp = self.nickname
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local nickname = ''
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for i = 1, nickname_tmp:len() do
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if i % 2 == 0 then
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nickname = nickname .. nickname_tmp:sub(i, i)
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end
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end
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return nickname
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end
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return Amiibo
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