Frederic Jacobs<p>When physicists promote Quantum Key Distribution (<a href="https://mastodon.social/tags/QKD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QKD</span></a>) systems, they tend to claim things like: “it is unbreakable because of the laws of quantum physics”</p><p>The <span class="h-card" translate="no"><a href="https://social.bund.de/@bsi" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>bsi</span></a></span> has a great report on why that's not true, and that these systems are also vulnerable to many possible implementation attacks.</p><p><a href="https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/QKD-Systems/QKD-Systems.pdf?__blob=publicationFile&amp;v=3" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bsi.bund.de/SharedDocs/Downloa</span><span class="invisible">ds/EN/BSI/Publications/Studies/QKD-Systems/QKD-Systems.pdf?__blob=publicationFile&amp;v=3</span></a><br><a href="https://mastodon.social/tags/QuantumKeyDistribution" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantumKeyDistribution</span></a> <a href="https://mastodon.social/tags/QKD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QKD</span></a> <a href="https://mastodon.social/tags/QuantumSafeCryptography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>QuantumSafeCryptography</span></a></p>