E_set_verify_cb() sets the verification callback of <i>xs</i> to <i>verify_cb</i> overwriting the previous callback. The callback assigned with this function becomes a default for the one that can be assigned directly to the corresponding <b>X509_STORE_CTX</b>, please see <a href="../man3/X509_STORE_CTX_set_verify_cb.html">X509_STORE_CTX_set_verify_cb(3)</a> for further information.</p>

<p>X509_STORE_set_verify() sets the final chain verification function for <i>xs</i> to <i>verify</i>. Its purpose is to g