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<a href="https://gitlab.com/dkg">Daniel Kahn Gillmor</a> created an issue: <a href="https://gitlab.com/gnutls/gnutls/-/issues/1231">#1231</a>
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<p dir="auto">It's not clear why a curve448 key might claim to have 456 bits of "security":</p>
<pre class="code highlight js-syntax-highlight language-plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">0 dkg@alice:~$ certtool --generate-privkey --key-type ed448</span>
<span id="LC2" class="line" lang="plaintext">Generating a 256 bit EdDSA (Ed448) private key ...</span>
<span id="LC3" class="line" lang="plaintext">Public Key Info:</span>
<span id="LC4" class="line" lang="plaintext"> Public Key Algorithm: EdDSA (Ed448)</span>
<span id="LC5" class="line" lang="plaintext"> Key Security Level: Ultra (456 bits)</span>
<span id="LC6" class="line" lang="plaintext"></span>
<span id="LC7" class="line" lang="plaintext">curve: Ed448</span>
<span id="LC8" class="line" lang="plaintext">…</span></code></pre>
<p dir="auto">I think this should be 448 bits. (i know that "security levels" in the Ultra range are basically indistinguishable in their overwhelming strength, but this is still a bit of an odd mismatch)</p>
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