Create Root Certificate Authority and proper SSL Certificates for your Home Assistant

ReDaLeRt · November 24, 2019, 11:58am

For those who want to access the HA instance only through LAN, using the HA IP address and HTTPS, I forked a gist instruction set and modified it for the HA standard configuration:

gist.github.com

https://gist.github.com/tiagofreire-pt/4920be8d03a3dfa8201c6afedd00305e

self-signed-certificate-with-custom-ca-for-home-assistant.md

# Create Root Certificate Authority and self-signed certificate for your Home Assistant. Compatible with Chrome browser > version 58, including the macOS Catalina 10.15 / iOS 13 (and above) new requirements.

## Create Root Key

**Attention:** this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

```bash
openssl genrsa -des3 -out rootCA.key 4096
```

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