on success or zero on failure.</p>

<h1 id="SEE-ALSO">SEE ALSO</h1>

<p><a href="../man3/X509_up_ref.html">X509_up_ref(3)</a></p>

<h1 id="HISTORY">HISTORY</h1>

<p>The functions X509_REQ_new_ex(), X509_CRL_new_ex(), PKCS7_new_ex() and CMS_ContentInfo_new_ex() were added in OpenSSL 3.0.</p>

<p>The functions DSAparams_dup(), RSAPrivateKey_dup() and RSAPublicKey_dup() were deprecated in 3.0.</p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>Copyright 2016-2024 The OpenSSL Project Authors. All Rights Reserved.</p>

