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<a href="https://gitlab.com/dueno">Daiki Ueno</a>
commented on a
<a href="https://gitlab.com/gnutls/gnutls/merge_requests/984#note_275830249">discussion</a>:
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<p dir="auto">Thanks. I'm not sure if it is sufficient, but if I copy the key and cert in <code>fuzz/gnutls_pkcs12_key_parser_fuzzer.in</code> and <code>fuzz/gnutls_x509_parser_fuzzer.in</code>, those fuzzer seem to cover sufficient code path, e.g., the <code>GNUTLS_PK_EDDSA_ED448</code> branch in <code>_gnutls_x509_read_pubkey</code>.</p>
<pre class="code highlight js-syntax-highlight shell" lang="shell" v-pre="true"><code><span id="LC1" class="line" lang="shell"><span class="nv">$ </span>certtool <span class="nt">-i</span> <span class="nt">--infile</span> doc/credentials/x509/cert-ed448.pem <span class="nt">--outfile</span> cert-ed448.der <span class="nt">--outder</span></span>
<span id="LC2" class="line" lang="shell"><span class="nv">$ </span><span class="nb">cp </span>cert-ed448.der fuzz/gnutls_x509_parser_fuzzer.in</span>
<span id="LC3" class="line" lang="shell"><span class="nv">$ </span>openssl pkcs12 <span class="nt">-export</span> <span class="nt">-in</span> doc/credentials/x509/cert-ed448.pem <span class="nt">-inkey</span> doc/credentials/x509/key-ed448.pem <span class="nt">-out</span> ed448.p12 <span class="nt">-name</span> <span class="s2">"Ed448 key and cert"</span></span>
<span id="LC4" class="line" lang="shell"><span class="nv">$ </span><span class="nb">cp </span>ed448.p12 fuzz/gnutls_pkcs12_key_parser_fuzzer.in</span></code></pre>
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