學科:IOS/KB/UDID
外觀
< Subject:IOS | KB
根據 http://iphonedevwiki.net/index.php/Lockdownd 的說法,UDID並不是設備固有屬性,而是通過序列號、網絡地址等計算得來的。形如:
UDID = SHA1(SerialNumber + IMEI + WiFiAddress + BluetoothAddress)
或
UDID = SHA1(SerialNumber + ECID + LOWERCASE(WiFiAddress) + LOWERCASE(BluetoothAddress))