[Gllug] Determining Key Length

Ben Fitzgerald ben_m_f at yahoo.co.uk
Tue Jun 21 16:16:57 UTC 2005


On Tue, Jun 21, 2005 at 01:35:57PM +0100, Steve Nelson wrote:
> Hello Chums,
> 
> I'm sure I must be missing something exceptionally obvious, but given
> an ssh key - how does one find out what 'length' it is in bits?

I'm sure there must be several ways, but one is:

ben at deb-tv$ ssh-keygen -l -f ~/.ssh/id_rsa.pub
1024 34:cc:9c:f3:74:25:72:35:cf:95:6b:f3:6c:89:8b:f2 /export/home/ben/.ssh/id_rsa.pub

ben.

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