openpgp smartcard: ssh auth speed vs. RSA key size

Werner Koch wk at
Thu Mar 1 19:20:02 CET 2018

On Thu,  1 Mar 2018 18:18, thomas.jarosch at said:

> We found this while creating our keys with 4096 bit and now reverted to 2048 
> bit. It's secure enough and the speed hit is almost not noticeable.

With a gnuk token and an ed25519 key it will even be much faster than
with a RSA 2048 bit key and a real smartcard.  Unfortunately the
Zeitcontrol card does not support ed25519.



#  Please read:  Daniel Ellsberg - The Doomsday Machine  #
Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
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