Authenticate capability of DSA or RSA signing keys

Kevin Hilton kevhilton at
Mon Feb 11 05:34:51 CET 2008

>Sign = sign some data
>Certify = sign a key
>Authenticate = prove you are you

>Authenticate is used for things like using an OpenPGP key for ssh.

I forgot about the certifying of keys, sorry about that.

I knew openssh utilized rsa or dsa keys, but didn't know that the same
gpg keys could be used for this purpose.  That's very interesting.  I
suppose however the reverse is not true.  I suppose I could not take
my rsa openssh keypair, and somehow make them work with gpg?

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