Key based SSH between two OWRT

Installing and Using OpenWrt
1

Hello,
i'm probably loosing something very stupid, but i can's sort out :frowning:
i'm trying to setup key based auth to be able to make unattended scp between my main router and my AP, both OWRT based.
It should be router -> AP so:

  • on the AP, i created keys:
    dropbearkey -t ed25519 -f ~/.ssh/AccessPointSSH
  • i added the pub key to the trusted key on the AP
  • i copied the pub key to the client (so my router)
  • tried executing scp toward my AP, using the copied pub key
    ssh -i /root/.ssh/AccessPointSSH.pub accesspoint.lan

What i get, is this error:
ssh: Exited: String too long

Router version is 23.05 official (x86)
AP version is 24.10-RC4 (Flint2)

I fear i'm loosing something in keys format, but can't get what..
thanks

2

Try

As your client needs to identify with the private key, not public.

2 Likes
4

Yes the first point is that you register your public key at the other end, then use -i <yourprivatekey> to connect.

dbconvert may also be needed since dropbear (client) does not store private keys in the standard openssh format.

5

indeed it was stupid lol
sorry and thanks for being nice at xmas, i did not deserve it :smiley:

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6

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