How to make Chrome on iPhone (iOS) accept self assigned ssl keys fir websites?

This tutorial introduces how to make Chrome accept self assigned ssl keys for websites:

https://www.systutorials.com/50204/making-chrome-accept-self-signed-certificates-on-linux/

However, on iPhone, Chrome blocks me from access sites with self assigned keys.

How to make Chrome on iPhone also accept the ssl keys?

At the time when I wrote this reply, there is no way to add Certificate Authorities to Chrome on iOS:

https://apple.stackexchange.com/questions/103157/certificate-error-when-using-chrome-for-ios-with-company-ca