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~/.android/adbkey{,.pub} are respectively present and missing on a setup #43

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opened 2025-07-25 03:24:00 +02:00 by Benjamin_Loison · 6 comments
Benjamin_Loison commented 2025-07-25 03:24:00 +02:00
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On my Linux Mint 22.1 Cinnamon Framework 13 Virtual Machine Manager Linux Mint (trust) virtual machine.

file ~/.android/adbkey

/home/benjamin/.android/adbkey: OpenSSH private key (no password)

The Server Fault answer 52287:

ssh-keygen -f ~/.android/adbkey -y > ~/.android/adbkey.pub

file ~/.android/adbkey.pub 

/home/benjamin/.android/adbkey.pub: OpenSSH RSA public key

It is about 381 characters.

Related to Benjamin-Loison/android/issues/91#issuecomment-2906728633.

On my Linux Mint 22.1 Cinnamon Framework 13 Virtual Machine Manager *Linux Mint (trust)* virtual machine. ``` file ~/.android/adbkey ``` ``` /home/benjamin/.android/adbkey: OpenSSH private key (no password) ``` [The Server Fault answer 52287](https://serverfault.com/a/52287): ``` ssh-keygen -f ~/.android/adbkey -y > ~/.android/adbkey.pub ``` ``` file ~/.android/adbkey.pub ``` ``` /home/benjamin/.android/adbkey.pub: OpenSSH RSA public key ``` It is about 381 characters. Related to [Benjamin-Loison/android/issues/91#issuecomment-2906728633](https://github.com/Benjamin-Loison/android/issues/91#issuecomment-2906728633).
Benjamin_Loison changed title from `~/.android/adbkey{,.pub}` are respectively present and missing to `~/.android/adbkey{,.pub}` are respectively present and missing on a setup 2025-07-25 03:24:20 +02:00
Benjamin_Loison commented 2025-07-25 03:26:06 +02:00
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On my host:

file ~/.android/adbkey.pub

/home/benjamin_loison/.android/adbkey.pub: ASCII text, with very long lines (700)

it seems to be a base 64 encoded binary, according to base64 -d.

On my host: ```bash file ~/.android/adbkey.pub ``` ``` /home/benjamin_loison/.android/adbkey.pub: ASCII text, with very long lines (700) ``` it seems to be a base 64 encoded binary, according to `base64 -d`.
Benjamin_Loison commented 2025-07-25 03:27:13 +02:00
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Removing ssh-rsa prefix to just keep base 64 does not result in the correct hash.

Removing `ssh-rsa ` prefix to just keep base 64 does not result in the correct hash.
Benjamin_Loison commented 2025-07-25 03:29:57 +02:00
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image.png

Allow results in successful adb connection.

![image.png](/attachments/80de0568-76e0-4899-a3e5-c589e8b05ddd) *Allow* results in successful adb connection.
image.png
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Benjamin_Loison commented 2025-07-26 00:40:33 +02:00
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The Android Stack Exchange answer 260388 works fine when delete both adbkey{,.pub}, but not just the latter. When deleted both the phone prompts the new laptop identity.

[The Android Stack Exchange answer 260388](https://android.stackexchange.com/a/260388) works fine when delete both `adbkey{,.pub}`, but not just the latter. When deleted both the phone prompts the new laptop identity.
Benjamin_Loison commented 2025-07-26 00:43:50 +02:00
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DuckDuckGo and Google search Generate "adbkey.pub" from adbkey does not seem to help.

DuckDuckGo and Google search `Generate "adbkey.pub" from adbkey` does not seem to help.
Benjamin_Loison commented 2025-07-26 00:49:46 +02:00
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Revoke USB debugging authorizations helps.

*Revoke USB debugging authorizations* helps.
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