The Open PGP card firmware for YAST token is available on github. This firmware implements the OpenPGP Card standard version 3.4.The following features are available:

• RSA 2048 keys (up to 4096 by modifying
• 6-digit PW1 password, 8-digit PW3 and RC passwords
• Get challenge (up to 3070 bytes per call)
• Factory reset
• Key on-chip generation and key import trough GPG application.

The token hardware and firmware are specifically designed to prevent the usage of the keys without the consent of the user. Keys stored onto the token cannot be extracted by any means.

YAST token will be on sale on Tindie soon. By the way, this firmware can be ported on LPC55S28 dev. kit (see. repo README.md). If your are interested by separately evaluating the SE050 secure element using a Raspberry PI, a breakout board is already on sale on Tindie.