HCS301 (Keeloq/Security2) on RFXtrx433E?

Hi RFX users,

I have this little RF remote for a chimney exhaust fan:

That I would like to get into HA.

The remote uses a HCS301 chip with rolling code and RFXmgr detectes it properly when enabling the Keeloq protocol, under the Security2 tab.

Have any of you been able to integrate this?