Looking at the white paper for the OpenPGP 3.x cards I only see some references to curves based on Brainpool. As some have pointed out on the GnuPG mailing list Brainpool has a lot in common with the now untrusted NIST curves. Really hope the OpenPGP 3.x cards will support curve 25519 like the Gnuk does. I am also wondering when an actual ver. 3 smartcard will be made/sold to the public?

If NitroKey can get a device working with 25519 and storage Ill be buying a new device that day! Been using the Nitrokey Pro for about a year and love it!

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