From d7f00c92da550af623583f7c2fb276a0c57f951e Mon Sep 17 00:00:00 2001
From: saundersp <pierre.saundersgb@gmail.com>
Date: Sat, 27 Jul 2024 16:53:26 +0200
Subject: [PATCH] README.md : added Openssl self-signed certificate

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index fd36b51..e2c27c7 100644
--- a/README.md
+++ b/README.md
@@ -187,3 +187,14 @@ chmod 600 /home/$USER/.XDG/data/gnupg/$PUBLIC_KEY
 gpg --verify $SIGNATURE.sig $FILE
 ```
 
+### Self-signed OpenSSL
+
+#### interactive
+```sh
+openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -sha256 -days 365
+```
+
+#### non-interactive and 10 years expiration
+```sh
+openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -sha256 -days 3650 -nodes -subj '/C=XX/ST=StateName/L=CityName/O=CompanyName/OU=CompanySectionName/CN=CommonNameOrHostname'
+```