. This might be used where additional &quot;useful&quot; CRLs are supplied as part of a protocol, for example in a PKCS#7 structure.</p>

<p>X509_STORE_CTX_get0_param() retrieves an internal pointer to the verification parameters associated with <i>ctx</i>.</p>

<p>X509_STORE_CTX_set0_param() sets the internal verification parameter pointer to <i>param</i>. After this call <b>param</b> should not be used.</p>

<p>X509_STORE_CTX_get0_untrusted() retrieves an internal pointer to the stack of untrusted certifi