From 9dce47a6aaaa2661aa5f23e0f1a7ac8bf9e68f7b Mon Sep 17 00:00:00 2001
From: Gorka Benguria Elguezabal <gorka.benguria@tecnalia.com>
Date: Wed, 24 Mar 2021 20:20:46 +0100
Subject: [PATCH] updates README

---
 README.md | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/README.md b/README.md
index 8b13789..a0eaa3e 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,31 @@
+# Tecnalia smartdatalab ca
+
+## Objective
+
+This is an **autogenerated** ca for tecnalia internal use, the purpose is to avoid disgusting security screens in our systems and projects. We will use this ca to sign certificates for our internal systems, so that we avoid security warnings and we could enable internal trust relationships.
+
+## How to create certificates based on it
+
+To create certificates based on it for the moment we have to do manually, to do so you can use the private key stored in the private repository  
+
+## How to install the certificate
+The instalation of the certificate depends both on the operating system and in some cases on the specific application. There are some applications, such as firefox, that does not relay in the operating system certificates repository to validate incoming certificates.
+
+### Windows
+In windows we can use the cmd or powershell. 
+#### cmd
+To enter into the cmd, press windows key + r, write cmd, and press enter. That will open the cmd console. Write the following commands to install this certificate.
+<pre>
+set CA_RAW_URL=https://git.code.tecnalia.com/smartdatalab/ca/-/raw/master/ca.crt.pem
+set CA_FILE_PATH=%TEMP%ca.crt.pem
+echo download ca
+powershell -command "$cli = New-Object System.Net.WebClient; $cli.DownloadFile('%CA_RAW_URL%', '%CA_FILE_PATH%')" 
+echo add ca to the certificate store
+certutil -addstore -user -f "Root"  "%CA_FILE_PATH%"
+</pre>
+
+### Linux
+To be provided
+
+
 
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