Decrypt Firmware Hikvision
- _cfgUpgClass
- ipc_db.jffs2
- LiteOS.bin
http://www.hikvisioneurope.com/portal/?dir=portal/Technical%20Materials/00%20%20Network%20Camera/00%20%20Product%20Firmware/E3S%20platform%281X23G0E%2C1X21%28E%29%29
python2 dec_hik.py ./digicap.dav