he provider does not implement this function the code internally falls back to use the original OSSL_FUNC_store_open(). This variant additionally accepts an <a href="../man3/OSSL_PARAM.html">OSSL_PARAM(3)</a> object and a <i>pw_cb</i> callback that can be used to request a passphrase in cases where the whole store needs to be unlocked before performing any load operation.</p>

<h2 id="Load-Parameters">Load Parameters</h2>

<dl>

<dt id="expect-OSSL_STORE_PARAM_EXPECT-integer">&quot;expect&quot; (<b>OSSL_STO