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How do I generate a pair of SSH keys to be able to use in several apps (Juice SSH, Turbo, etc) to access my remote host? I've tried generating them with Connectbot, JuiceSSH and on a Linux machine, but none seem to work...

EDIT: I've generated the keys the way I usually do, with ssh-keygen -t rsa -b 4096, copied the private key to a ssh/ folder on my phone's internal memory (which I later point to in the client software) and added the public key to the .ssh/authorized_keys file on my server.

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  • OK – then it looks good to me, and should work. I'm pretty sure I used RSA as well, and almost sure on the 4k. So I don't see where it should fail here. But thanks for filling the gaps – hopefully this enables someone else to spot a thing. Commented Mar 12, 2015 at 12:43
  • You need to see : stackoverflow.com/questions/10271197/… Commented Aug 31, 2016 at 6:56
  • This should also work android.stackexchange.com/questions/73555/… Commented Jan 26, 2017 at 11:53

2 Answers 2

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You could install Termux, a terminal shell with additional Linux functionality on top of Android, with a package manager, so you can scale the magnitude of native Linux functionality at will. Then enter

pkg install openssh

Key-pairs in different formats will be generated upon OpenSSH install.

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  1. Install Termux from Google Play Store
  2. Open Termux and execute pkg install openssh
  3. Installation scripts automatically generates four public/private key pairs at /data/data/com.termux/files/usr/etc/ssh/ folder for RSA, DSA, ECDSA, and ed25519 encryption algorithms.
  4. If you prefer to do it manually and setup a passphrase just execute ssh-keygen -t rsa -b 4096 and follow the process.
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  • Will these keys be usable only through Termux? As far as I understand, I won't be able to use them to sync notes in Obsidian with the git plugin? Commented Jan 14 at 6:26

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