[Tutorial] How to extract public keys from a vbmeta image
[Tutorial] How to extract public keys from a vbmeta image
24-06-2021, 09:23 PM
Hello my friend. My vbmeta doesnt have pmsys either dtb, product, dtb0 partition. What is the issue with this? Are so important that partition?
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25-06-2021, 10:18 AM
(24-06-2021, 09:23 PM)pindonga123 Hello my friend. My vbmeta doesnt have pmsys either dtb, product, dtb0 partition. What is the issue with this? Are so important that partition?
your vbmeta isn't necessarily meant to look exactly like ours, the guide merely shows how to extract the keys from any vbmeta you have
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23-09-2021, 09:24 AM
(22-09-2021, 12:58 PM)lolvatveo Help, I can't find ldsp key.
it's not a big deal if your vbmeta has different contents than what we have in the guide. when creating vbmeta, you use exactly what you have in your stock vbmeta
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30-11-2021, 10:12 PM
Hello everyone.
I'm write small tool what help automate extract keys from vbmeta-sigm.img file.
How to use:
1) Download exe (link below).
2) Get vbmeta-sign.img from firmware and drop it on exe.
3) Files will be extracted to same folder.
Tested on rooting teclast m40.
Download link - https://github.com/ProKn1fe/VBMetaKeysEx...r/releases
Source code - https://github.com/ProKn1fe/VBMetaKeysExtractor
15-12-2021, 12:56 AM
(30-11-2021, 10:12 PM)ProKn1fe Hello everyone.
I'm write small tool what help automate extract keys from vbmeta-sigm.img file.
How to use:
1) Download exe (link below).
2) Get vbmeta-sign.img from firmware and drop it on exe.
3) Files will be extracted to same folder.
Tested on rooting teclast m40.
Download link - https://github.com/ProKn1fe/VBMetaKeysEx...r/releases
Source code - https://github.com/ProKn1fe/VBMetaKeysExtractor
Thanks this worked.
I was able to verify the keys your program extracted using sha1sum the keys generated and the info from avbtool
29-01-2022, 05:10 AM
(30-11-2021, 10:12 PM)ProKn1fe Hello everyone.Thank you sir, your app proved it worked via comparing manual extraction
I'm write small tool what help automate extract keys from vbmeta-sigm.img file.
How to use:
1) Download exe (link below).
2) Get vbmeta-sign.img from firmware and drop it on exe.
3) Files will be extracted to same folder.
Tested on rooting teclast m40.
Download link - https://github.com/ProKn1fe/VBMetaKeysEx...r/releases
Source code - https://github.com/ProKn1fe/VBMetaKeysExtractor
18-11-2022, 07:39 AM
(16-11-2022, 11:48 AM)Abatoir Good day everyone. Th last partition in my vbmeta is pm_sys, It has an ofset of 816. All other partitions has 408 .
Is there something extra i should do to have pm_sys offset reduced, or i use it as it is? Thanks in advance
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12-01-2023, 10:11 AM
(30-11-2021, 10:12 PM)ProKn1fe Hello everyone.is there a Linux version of it
I'm write small tool what help automate extract keys from vbmeta-sigm.img file.
How to use:
1) Download exe (link below).
2) Get vbmeta-sign.img from firmware and drop it on exe.
3) Files will be extracted to same folder.
Tested on rooting teclast m40.
Download link - https://github.com/ProKn1fe/VBMetaKeysEx...r/releases
Source code - https://github.com/ProKn1fe/VBMetaKeysExtractor
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