<div dir="ltr"><div class="gmail_extra">
<a href="https://www.wireguard.io/protocol/">https://www.wireguard.io/protocol/</a><br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><a href="https://www.wireguard.io/papers/wireguard.pdf">https://www.wireguard.io/papers/wireguard.pdf</a> section 5.4</div></div>