08-19-2024, 02:54 PM | #1 |
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Kobo Libra Colour is using Secure Boot
I guess this was bound to happen some day... but is also extremely contradictory with Kobo's "Right to repair" philosophy that honestly just seems like the dumbest thing ever said, at least considering what I have discovered.
Code:
## Checking Image at 41000000 ... FIT image found FIT description: U-Boot fitImage for Poky (Yocto Project Reference Distro)/4.9/aud8113tp1 Image 0 (kernel@1) Description: Linux kernel Type: Kernel Image Compression: uncompressed Data Start: 0x410000fc Data Size: 14675968 Bytes = 14 MiB Architecture: ARM OS: Linux Load Address: 0x40008000 Entry Point: 0x40008000 Hash algo: sha256 Hash value: 2bae18998544ca39a2cbfe1bcc1a4408ba876db3b470a98689503fee7795d447 Image 1 (fdt@1) Description: aud8113tp1-E70T00-A0x00.dtb Type: Flat Device Tree Compression: uncompressed Data Start: 0x41dff224 Data Size: 47831 Bytes = 46.7 KiB Architecture: ARM Load Address: 0x44000000 Hash algo: sha256 Hash value: 7db67257f744a64c42f62fe0e7ef343e1ea5ec0e00a6e1726b78f15075a3bab5 Default Configuration: 'conf@1' Configuration 0 (conf@1) Description: Boot Linux kernel with FDT blob Kernel: kernel@1 FDT: fdt@1 Sign algo: sha256,rsa2048:dev Sign value: b8f687f70f33eb5597a3ac8d1e4e754d6287ad77a9cfd5dd9082c92ff198e1fd277464ab0141a71fe451fd66fe3780a67efdd0d3d7e77b6fa681ead844e46d10283499f5303c6c312dbca66fe76163f5cf57135b3667c17c80c8301afe40d3289e8272612a8da57462a884a6c41a88290cbd1309ea2aeac0e2abc820a286116f5ba371bfd1f06a7aecea106b2bbcd2c85527d5acf76270dcc7d2f7d5d15d434e3b2845fd8f3ebf770d353adffb156d266d82b5f719608115ec4b65460b7b14d07d234a4dfe92f0a4c560da7092f0dc340a57006f7285ed370d 808bd9b77423e25efd116e463b051c491dec2ece5a5ef96f137007bf81200b50190b239404acec For the less techies out there: this means more locking down from Kobo's end, basically putting them a step closer to Amazon's extremely agressive practices in the jailbreaking world. This also means that porting Quill OS/InkBox OS to these new devices is currently impossible/very difficult. I am just angry at them now... |
08-19-2024, 02:56 PM | #2 |
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Clarification:
Previous kobo's didn't have this and everything was fine. |
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08-19-2024, 05:13 PM | #3 |
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It could be that went the older devices get 4.39.xxx, we'll also get secure boot.
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Yesterday, 08:28 AM | #4 | |
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Quote:
I still have a laptop that lets me set Secure Boot or not. Hopefully Kobo has allowed this, since they didn't seem to be against SideloadedMode? e.g, my chromebook has the option to run in Developer's mode, which allowed me to install MXLinux which was what made me choose to buy the device. EDIT : Ahhh, this link says amazon was able to turn on secure boot over the air, if I understand correctly (probably not https://xdaforums.com/t/mod-dev-medi...4232377/page-6 Last edited by elinkser; Yesterday at 02:23 PM. Reason: ota |
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Yesterday, 11:10 AM | #5 |
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Secure Boot is mainly due to the fact that the new devices are using a MediaTek SoC (the older ones were using the Freescale/i.MX platform) Whether or not it was Kobo's will to include it, it got there anyway, either because it was the standard for such boards and the devs were too lazy to change it, or maybe it really was a thought-out decision.
Either way, it is pretty disappointing. We are currently trying to find ways to circumvent that restriction as I am writing. |
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Yesterday, 11:15 AM | #6 |
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Will this let them restrict patching, nickelmenu, etc?
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Yesterday, 12:47 PM | #7 |
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Not yet. But who knows what they are planning...
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Yesterday, 02:33 PM | #8 |
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Although, I believe it is the same device as for the Ellipsa2e, so that bodes well.
https://en.m.wikipedia.org/wiki/Kobo_eReader Unfortunately, it's not one of the PostmarketOs supported devices: https://wiki.postmarketos.org/wiki/Category:MediaTek Reading up on it it seems complicated to bypass and many experienced devs have bricked their expensive devices. I saw an old guide to the boot process if any one is interested. http://www.lieberbiber.de/2015/07/04...and-preloader/ Good luck - you're braver than me! Last edited by elinkser; Yesterday at 02:36 PM. |
Yesterday, 03:55 PM | #9 |
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Thanks for the link.
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Yesterday, 04:45 PM | #10 |
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For work with MTK processors: https://mtktool.com/
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Yesterday, 04:48 PM | #11 |
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Thanks for the link too. Do you know if any of these tools have a chance of working with the obscure series of MT8512/MT8110/MT8113 processors?
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Yesterday, 05:04 PM | #12 |
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Yesterday, 05:15 PM | #13 |
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Thanks again for the link. You are welcome to join our effort to find a workaround (I see you have a Libra Colour too). Any help is appreciated...
https://discord.com/invite/uSWtWbY23m |
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