[Bug 220463] security/dropbear The generated public key is unusable by dbclient (and ssh)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Jul 5 01:54:39 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220463

dewayne at heuristicsystems.com.au changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Closed
         Resolution|---                         |Works As Intended

--- Comment #2 from dewayne at heuristicsystems.com.au ---
(In reply to Piotr Kubaj from comment #1)
After further investigation - this is how dropbear should be setup.

# Cleanup any old work - 
rm /usr/local/etc/dropbear/dropbear_rsa_host_key /root/.ssh/id_dropbear ; 

# Create host key
dropbearkey -t rsa -f /usr/local/etc/dropbear/dropbear_rsa_host_key

# Create my keys
cd /root/.ssh
dropbearkey -y -f id_rsa | grep "^ssh-rsa " >> authorized_keys

# Prepare for openssh use, if required
dropbearconvert dropbear openssh id_rsa id_rsa_openssh

# Use
dbclient -i id_rsa 10.0.55.115
ssh -i id_rsa_openssh 10.0.5.115

# Success :)

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