Using GPG with Yubikey 5 series

[Werner Koch]

On Thu, 12 Mar 2026 14:28, Csaba said:

> I use my Yubikey 5 with GPG.

The OpenPGP application is by default enabled on a Yubikey so it works
like any other OpenPGP card.

> I have GPG 2.4.7 version under Debian Linux.
> I also want to use it under Windows 10 with GPG4Win, if possible.

I don't think that you need any documents if you are using Windows or on
Linux if you install Kleopatra as a frontend.  The old manuals and
howtos for smartcards still apply to the command line version.  However,
you may want to switch the Yubikey firs to Curve25519 (first and thurd
slot ed25519, second slot cv25519).  You use "gpg --card-edit", then
"admin", then "key-attr" to change the key algorithms.  Kleopatra can do
that for you, though.


Salam-Shalom,

   Werner

-- 
The pioneers of a warless world are the youth that
refuse military service.             - A. Einstein
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