uld return 1 on successful validation, or 0 on failure.</p>

<p>OSSL_FUNC_keymgmt_has() should return 1 if all the selected data subsets are contained in the given <i>keydata</i> or 0 otherwise.</p>

<p>OSSL_FUNC_keymgmt_query_operation_name() should return a pointer to a string matching the requested operation, or NULL if the same name used to fetch the keymgmt applies.</p>

<p>OSSL_FUNC_keymgmt_gettable_params() and OSSL_FUNC_keymgmt_settable_params() OSSL_FUNC_keymgmt_import_types(), OSSL_FUNC_keymgmt_im