Hikvision FIRMWARE TOOLS - change language, extract files and create own firmware

The tool certainly allowed early versions of the firmware to be unpacked, inspected, understood, tweaked and repacked.
But Hikvision has progressively improved how the firmware is packed and protected from tampering to the point where it's no longer feasible to modify it now.
 
The tool certainly allowed early versions of the firmware to be unpacked, inspected, understood, tweaked and repacked.
But Hikvision has progressively improved how the firmware is packed and protected from tampering to the point where it's no longer feasible to modify it now.
I see... thanks for the information.

@havran - OK, it seems like they hidden this information, because I don't have such field

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