Smart cards

Arthur Ulfeldt arthur at
Tue Dec 11 19:27:28 CET 2018

using openkeychain with a yubikey nfc is totally solid, and convenient.
I've been using them for years. they also plug into the bottom of the
phones which some people prefer.

On Tue, Dec 11, 2018, 10:14 AM Damien Goutte-Gattat via Gnupg-users <
gnupg-users at wrote:

> On Tue, Dec 11, 2018 at 12:35:57PM +0100, Alessandro Vesely wrote:
> > Is it possible to get OpenPGP functionality on one of those
> > contactless cards?
> I know of at least one NFC-enabled OpenPGP card, the "Fidesmo
> Card" [1].
> I never tested it, but from what I remember when I delved into
> their site, the OpenPGP feature of that card is provided by the
> same JavaCard applet than the one used in the Yubikey NEO. Which
> means, among other things, that it does not implement version 3 of
> the OpenPGP Card specification (so, no ECC keys), and does not
> support RSA keys larger than 2048 bits.
> Another provider of NFC-enabled OpenPGP cards was Sigilance [2],
> but they have since ceased all operations. Their cards were also
> based on the same JavaCard applet, with the same limitations.
> I am not aware of an available implementation of the OpenPGP Card
> v3, with support for ECC keys and RSA 4096-bit, on a NFC-enabled
> support.
> - Damien
> [1]
> [2] (warning: expired certificate)
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