Dropbear requiring passphrase

Matt Johnston matt at ucc.asn.au
Wed Apr 30 07:19:44 WST 2014


Hi,

Dropbear has its own key format and doesn't support passphrases (encrypted keys). OpenSSH might be getting confused by the unknown format so asks for a passphrase, while dbclient just falls back to password authentication? dropbearconvert can convert the formats.

Have a look at the Dropbear log /var/log/auth.log if you can, or run with "dropbear -F -E" interactively to log to stdout. In a boot script you should be able to run "dropbear -E" for just the logging to the console.

Cheers,
Matt

On 29 April 2014 5:03:29 pm AWST, Logan Anderson <loggiew at gmail.com> wrote:
>Guys,
>
>I added drop bear to an initramfs I am building for PXE. No matter what
>I
>do, dropbear appears to require an ssh passphrase and I really don't
>know
>how to handle this. It doesn't ask me for a passphrase when I create
>the
>key.
>
>It appears to ask for the passphrase when I use ssh but it simply asks
>for
>a password when I use dbclient. What am I doing wrong?
>
>Any direction would be welcome.
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