ror" class="anchor"></a><code><span class="keyword">val</span> pk_signing_last_error : <span><a href="../Types/PkSigning/index.html#type-t">Types.PkSigning.t</a> Ctypes_static.ptr</span> <span>&#45;&gt;</span> <span>char Ctypes_static.ptr</span></code></dt><dd><p><code>pk_signing_last_error sign</code></p><p>A null terminated string describing the most recent error to happen to a signing object</p></dd></dl><dl><dt class="spec value" id="val-clear_pk_signing"><a href="#val-clear_pk_signing" class="anchor"><