In chapter 16, you learned how to add a digital signature to a PDF document using a (self-signed) certificate and a private key that is present somewhere on the file system. I also mentioned that this certificate and key are sometimes stored on a smart card.
Figure D.1 shows an example of such a smart card. It’s a copy of my identity card.
Figure D.1. A smart card containing my personal information
Belgium is one of the first countries in the world to issue an electronic identity card (eID) as official proof of identity for its citizens. This identity card looks like a regular bankcard, with basic identity ...