Recent content by brainslayer

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    [MCR] Hikvision packer/unpacker for 5.3.x and newer firmware

    the patch i made a long time ago also disables the checks for upgrading. so once you have this jealbroken fw installed you can upgrade it without any checks linux:/GruppenLW/conv/jana # ssh [email protected] [email protected]'s password: BusyBox v1.19.3 (2021-06-23 10:24:22 CST) built-in...
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    [MCR] Hikvision packer/unpacker for 5.3.x and newer firmware

    yes but the checks are done by the firmware files itself. you just need to patch alot to ignore all the signature checks. i did this already for a G1 model
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    [MCR] Hikvision packer/unpacker for 5.3.x and newer firmware

    these files (also the tar.lzma files) are all encrypted in the same way and can be decrypted/encrypted using the hik unpacker if the device is supported since each device has different encryption keys which are stored in the linux kernel. to reverse engineer these keys you need to get the...
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    [MCR] Hikvision packer/unpacker for 5.3.x and newer firmware

    can you write in english please?
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    [MCR] Hikvision packer/unpacker for 5.3.x and newer firmware

    please try to send me the full content. all files. whatever you find. thats what i need for research
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    [MCR] Hikvision packer/unpacker for 5.3.x and newer firmware

    if is able to provide me a g5 flash dump i can extract the keys. i have the hik repack source btw
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    the author of the unpack tool who sended me the material which allowed me todo the modifications does not want to publish his work officially since some resellers try to buy cheap chinese variants to sell them rebranded for higher prices with international firmwares which is not good for...
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    yes i have it unpacked and i also modified it to fix the nas storage issue and to disable the certificate check. i also enable ssh and console access at all. and i flashed 6 cameras already with it
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    but this isnt neccessary if everything is already modifed you can flash it anyway. he standard minisys has a update routing. but it has a rsa check too. so whatever you want do, you need to modify it. the only way i know is booting the modified minishell and flashing with tftp (format/update)...
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    @rearanger yes , but that means that you need to modifiy davinci again. davinci itself contains the update routine and is the webserver and i patched it to ignore the rsa signature if its invalid (you still see the error, but it will still work. if you talk about something different, just tell me
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    yes this is leechers hik_repack and i did not modify it. it contains all keys for g1 platform but i have the sourcecode to add new keys once i find or get them. maybe i have just a newer version. i just started for fun with this some days ago and talked with him but i'm not allowed to share it...
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    i checked the pre_app_hook. this has nothing todo with the sd card. its for emmc flash memory booting devices. these are soldered mmc chips. its a cheap replacement for nand flash memory. pre_app_hook just detects these as boot device and creates some devfs crap. thats all
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    its only first time installable with format / update procedure. after this you install everything you want. but of course new images should be patched too, otherwise you lock yourself out again. i used a abus IPCB68620 which is a g1 and used it as playground. i will check for the preapp hook and...
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    Hikvision G1 5.5+ firmware Exploring the Cam & attempting unlock

    just if somone want to know. i made now a patched g1 firmware for latest version. it disables all rsa checks, enables ssh and disabled psh. not much more .but it allows any future patched upgrades with web
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