From 9fd39ab57f46795a235e7cb3aa36f3c22721271e Mon Sep 17 00:00:00 2001
From: Bruno Windels <brunow@matrix.org>
Date: Fri, 18 Sep 2020 12:04:48 +0200
Subject: [PATCH] aes-js doesn't work with ArrayBuffers

---
 src/ui/web/dom/CryptoDriver.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ui/web/dom/CryptoDriver.js b/src/ui/web/dom/CryptoDriver.js
index 1f856000..66bb35c0 100644
--- a/src/ui/web/dom/CryptoDriver.js
+++ b/src/ui/web/dom/CryptoDriver.js
@@ -209,8 +209,8 @@ class CryptoLegacyAESDriver {
      */
     async decrypt(key, iv, ciphertext) {
         const aesjs = this._aesjs;
-        var aesCtr = new aesjs.ModeOfOperation.ctr(key, new aesjs.Counter(iv));
-        return aesCtr.decrypt(ciphertext);
+        var aesCtr = new aesjs.ModeOfOperation.ctr(new Uint8Array(key), new aesjs.Counter(new Uint8Array(iv)));
+        return aesCtr.decrypt(new Uint8Array(ciphertext));
     }
 }