ith EVP_MAC_fetch():</p>

<dl>

<dt id="SIPHASH-provider-default">&quot;SIPHASH&quot;, &quot;provider=default&quot;</dt>
<dd>

</dd>
</dl>

<h2 id="Supported-parameters">Supported parameters</h2>

<p>The general description of these parameters can be found in <a href="../man3/EVP_MAC.html">&quot;PARAMETERS&quot; in EVP_MAC(3)</a>.</p>

<p>All these parameters can be set with EVP_MAC_CTX_set_params(). Furthermore, the &quot;size&quot; parameter can be retrieved with EVP_MAC_CTX_get_params(), or with EVP_MAC_