From 87aabb30579136593bbce306cdd61aac5edd2621 Mon Sep 17 00:00:00 2001
From: Bruno Windels <brunow@matrix.org>
Date: Thu, 27 Aug 2020 13:31:14 +0200
Subject: [PATCH] make crypto.getRandomValues available on IE11 without a
 prefix

olm needs this to work on IE11
---
 src/main.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main.js b/src/main.js
index 85274948..79f5698d 100644
--- a/src/main.js
+++ b/src/main.js
@@ -37,6 +37,11 @@ function addScript(src) {
 }
 
 async function loadOlm(olmPaths) {
+    // make crypto.getRandomValues available without
+    // a prefix on IE11, needed by olm to work
+    if (window.msCrypto && !window.crypto) {
+        window.crypto = window.msCrypto;
+    }
     if (olmPaths) {
         if (window.WebAssembly) {
             await addScript(olmPaths.wasmBundle);