[Pcsclite-muscle] ccid no longer recognizes Nitrokey 3: Found interface 0 but expecting 1

[Marcin Cieslak]

On Tue, 21 Oct 2025, Marcin Cieslak wrote:

> Hello,
>
> I was using Nitrokey 3 for a pretty long time with pcscd+ccid
> for a quite a long time but one of the updates seems to break one
> thing for me - it seems that libccid does not
> want to talk to that smartcard.
>
> This is FreeBSD 15 on amd64 (so no systemd)
>
> pcsc-lite 2.3.3, polkit support disabled
> libccid 1.6.2

I have figured it out.

The USB interface 0 on that device gets detected by libccid and works
as a smartcard interface just fine.

The USB interface 1 on that device is a FIDO2/PassKey USB HID interface
and libccid needs not to deal with that.

The problem I was having was not related to the CCID support, only to that
HID interface (Somehome FreeBSD's usbhid(4) driver breaks the passkey, only
uhid(4) works).

I have misinterpreted the pcscd logs and started to think the device is not detected
at all. "RFAddReader() Nitrokey Nitrokey 3 init failed." sound scary
but this apparently pertains to only one USB interface, not to a whole device.

Marcin
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