ryption" class="anchor"></a><code><span class="keyword">val</span> pk_decryption : <span>unit Ctypes_static.ptr</span> <span>&#45;&gt;</span> <span><a href="../Types/PkDecryption/index.html#type-t">Types.PkDecryption.t</a> Ctypes_static.ptr</span></code></dt><dd><p><code>pk_decryption mem</code></p><p>Initialise a decryption object using the supplied memory The supplied memory must be at least olm_pk_decryption_size() bytes</p></dd></dl><dl><dt class="spec value" id="val-pk_decryption_last_error"><a href="#