igned.size_t</code></dt><dd><p><code>pk_mac_length encryption</code></p><p>Get the length of the message authentication code.</p></dd></dl><dl><dt class="spec value" id="val-pk_key_length"><a href="#val-pk_key_length" class="anchor"></a><code><span class="keyword">val</span> pk_key_length : unit <span>&#45;&gt;</span> Unsigned.size_t</code></dt><dd><p><code>pk_key_length ()</code></p><p>Get the length of a public or ephemeral key</p></dd></dl><dl><dt class="spec value" id="val-pk_encrypt_random_length"><a h