<oembed><type>rich</type><version>1.0</version><title>Mike Dilger ☑️ wrote</title><author_name>Mike Dilger ☑️ (npub1ac…9p35c)</author_name><author_url>https://nostr.now/npub1acg6thl5psv62405rljzkj8spesceyfz2c32udakc2ak0dmvfeyse9p35c</author_url><provider_name>njump</provider_name><provider_url>https://nostr.now</provider_url><html>You are old indeed.&#xA;&#xA;I once tried to ask Whit why the NIST competition only wanted block ciphers and not stream ciphers, but I worded the question wrong and the answer was &#34;Because that was what the competition specified&#34;. I was embarrassed and didn&#39;t correct the question, and he noticed but didn&#39;t really have a good reason but clearly thought block ciphers were the only reasonable way. Now we have some excellent well-regarded stream ciphers.</html></oembed>