 EVP_PKEY_CTX_set_params() after calling EVP_PKEY_keygen_init().</p>

<h2 id="Common-X25519-X448-ED25519-and-ED448-parameters">Common X25519, X448, ED25519 and ED448 parameters</h2>

<p>In addition to the common parameters that all keytypes should support (see <a href="../man7/provider-keymgmt.html">&quot;Common parameters&quot; in provider-keymgmt(7)</a>), the implementation of these keytypes support the following.</p>

<dl>

<dt id="group-OSSL_PKEY_PARAM_GROUP_NAME-UTF8-string">&quot;group&quot; (<b>OSSL_