nts are set up. If <i>engine</i> does not include an <b>EVP_PKEY_METHOD</b> for <i>pkey</i> an error occurs. This function is deprecated. Applications should use providers instead of engines (see <a href="../man7/provider.html">provider(7)</a> for details).</p>

<h1 id="WARNINGS">WARNINGS</h1>

<p>The following functions are only reliable with <b>EVP_PKEY</b>s that have been assigned an internal key with EVP_PKEY_assign_*():</p>

<p>EVP_PKEY_get_id(), EVP_PKEY_get_base_id(), EVP_PKEY_type()</p>

<p>For EVP_