From 43557c787e96f1878023f31563917dcb2f0aeb70 Mon Sep 17 00:00:00 2001
From: El RIDO <elrido@gmx.net>
Date: Mon, 22 Aug 2016 09:39:21 +0200
Subject: [PATCH] Updated Installation (markdown)

---
 Installation.md | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Installation.md b/Installation.md
index 065f297..cec8679 100644
--- a/Installation.md
+++ b/Installation.md
@@ -8,9 +8,13 @@ the options and adjust them as you see fit.
 
 ### Requirements
 
-- PHP version 5.3 or above
+- PHP version 5.3 or above, if PHP older then 7.0 is used, _one_ of the following
+  sources of cryptographically safe randomness is required:
+  - open_basedir access to /dev/urandom
+  - [Libsodium](https://download.libsodium.org)
+  - mcrypt extension
+  - com_dotnet extension
 - GD extension
-- mcrypt extension (optional, but strongly recommended)
 - some disk space or (optional) a database supported by PDO
 - ability to create files and folders in the installation directory and the PATH
 - A web browser with javascript support