by certificate transparency, RFC6962</p>

<pre><code>CT Precertificate SCTs             NID_ct_precert_scts
CT Certificate SCTs                NID_ct_cert_scts</code></pre>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>X509V3_get_d2i(), its variants, and X509V3_EXT_d2i() return a pointer to an extension specific structure or NULL if an error occurs.</p>

<p>X509V3_add1_i2d() and its variants return 1 if the operation is successful and 0 if it fails due to a non-fatal error (extension not found, already exi