Information security is important – also when getting married. To ensure your wedding guests that it is indeed you getting married, you can – and should – use cryptography. When we got married about a year ago, we had PGP/GPG-signed save-the-date cards. See below how I created those (with code!).
![](https://helgavelroyen.de/wp-content/uploads/2020/01/front.png)
![](https://helgavelroyen.de/wp-content/uploads/2020/01/back.png)