this post was submitted on 05 Jul 2023
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microG

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Unofficial community about microG, a free-as-in-freedom re-implementation of Google's proprietary Android user space apps and libraries.

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Use a Python Script to Verify the Signature (discuss.tchncs.de)
submitted 1 year ago by ROMMMELLL@discuss.tchncs.de to c/microg@discuss.tchncs.de
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Dear MicroG

The instructions https://lineage.microg.org/ say

Before installing the ZIP you should check that it has the correct signature. You have to use a Python script to verify the signature, available here. Install Python 3 (if not already done) and the required packages (as explained in the README), then run:

python3 update_verifier.py lineageos4microg_pubkey lineage-microG.zip

I have no experience of verifying signatures.

I have no experience of python.

I think I have downloaded and installed Python 3 correctly.

I have downloaded the microG zip.

Could you talk me through the steps to check the signature please ?

In case it's important - I am using macOS 10.13

Yours sincerely ROMMMELLL

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[–] khaosoi@discuss.tchncs.de 1 points 1 year ago (1 children)

Please read and understand those prompts. Python missing the module pyasn1 (python3-pyasn1). Its mentioned in the readme as a requirement.

You can install it via pip3 also as described in the readme.

If you don't have pip3 installed on your Mac, I think you can get it via brew. I don't have a Mac myself, so I'm not entirely sure.

[–] ROMMMELLL@discuss.tchncs.de 2 points 1 year ago (1 children)

Dear K

I found I do have pip3. I installed pyasn1 using pip3.

I tried again, and got an error message. This time I needed rsa. Which I installed using pip3.

I typed python3 update-verifier.py etc.....

In reply it showed

verified successfully

Thankyou very much for taking the time to help me.

Yours sincerely ROMMMELLL

[–] khaosoi@discuss.tchncs.de 1 points 1 year ago (1 children)

You're welcome. Hope you learned a little.

[–] ROMMMELLL@discuss.tchncs.de 1 points 1 year ago (1 children)

Dear K

I tried to flash the recovery, but it wouldn't read the file.

Then I remembered what you taught me about changing the directory.

I thought, " Could it hurt to cd into Downloads to tell it where the file is ? "

I ran the CLI command and it flashed the recovery no problem.

The same with the adb sideload.

And now I have LOS4MG on my S4.

Thanks for taking the time to help me.

Yours sincerely ROMMMELLL

[–] khaosoi@discuss.tchncs.de 1 points 1 year ago* (last edited 1 year ago) (1 children)

Great to hear.

You can always address files via absolute or relative paths.

Relative:

cd /Users/rommmelll/Downloads/
adb sideload lineageos-recovery.img

or absolute:

adb sideload /Users/rommmelll/Downloads/lineageos-recovery.img

Maybe you want to learn a little more about paths to understand how to reference files.

I suggest you read a little further on that topic and play around with the terminal. Find some tutorial videos if that works better for you.