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<a href="https://gitlab.com/dueno">Daiki Ueno</a>
commented on a
discussion on <a href="https://gitlab.com/gnutls/gnutls/-/merge_requests/1261#note_350214224">lib/cert-cred-rawpk.c</a>:
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<pre style="margin: 0;"> <span id="LC309" class="line" lang="c"> <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gnutls_pcert_import_rawpk_raw</span><span class="p">(</span><span class="n" style="color: #333;">pcert</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">rawpubkey</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC310" class="line" lang="c"> <span class="n" style="color: #333;">format</span><span class="p">,</span> <span class="n" style="color: #333;">key_usage</span><span class="p">,</span> <span class="mi" style="color: #099;">0</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC311" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC310" class="line" lang="c"> <span class="n" style="color: #333;">_gnutls_free_datum</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">rawpubkey</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC312" class="line" lang="c"> <span class="n" style="color: #333;">zeroize_key</span><span class="p">(</span><span class="n" style="color: #333;">rawpubkey</span><span class="p">.</span><span class="n" style="color: #333;">data</span><span class="p">,</span> <span class="n" style="color: #333;">rawpubkey</span><span class="p">.</span><span class="n" style="color: #333;">size</span><span class="p">);</span></span>
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<p dir="auto">Because <code>_gnutls_free_key_datum</code> assumes that the memory is allocated using <code>gnutls_malloc</code> and friends, while <code>read_file</code> allocates it with the system <code>malloc</code>. This might not be a problem nowadays, as the custom allocator support was removed long ago, but I'm pedantic :-)</p>
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