following sections contain a list of all supported extensions including their name and NID.</p>

<h2 id="PKIX-Certificate-Extensions">PKIX Certificate Extensions</h2>

<p>The following certificate extensions are defined in PKIX standards such as RFC5280.</p>

<pre><code> Basic Constraints                  NID_basic_constraints
 Key Usage                          NID_key_usage
 Extended Key Usage                 NID_ext_key_usage

 Subject Key Identifier             NID_subject_key_identifier
 Authority Key 