<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Speck_%28cipher%29" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Speck_%28cipher%29</a><p>Speck&#x27;s pretty nice and tiny, but who knows if it&#x27;s backdoored or not :)