Qualcomm security are stored at:
fsg
modem.img
modemst1
modemst2
oppodycnvbk.img
oppostanvbk.img
persist.img
xbl_config.img


mtk:
nvram
nvdata
protect_f (protect1)
protect_s (protect2)

Samsung:
efs
fsg (sometime qualcomm)
efuse (for mtk)
protect1 (for mtk)
protect2 (for mtk)
nvdata (for mtk)
nvram (for mtk)


HTC:
board_info

Intel:
factory
config

Asus
asuskey3 (version)
asuskey4 (SN)
factory
devinfo (SN)