diff --git a/lib/hx509/hx509.h b/lib/hx509/hx509.h
index 4f1c5942f..2497189ce 100644
--- a/lib/hx509/hx509.h
+++ b/lib/hx509/hx509.h
@@ -131,6 +131,8 @@ typedef enum {
 /* flags to hx509_cms_verify_signed */
 #define HX509_CMS_VS_ALLOW_DATA_OID_MISMATCH		0x01
 #define HX509_CMS_VS_NO_KU_CHECK			0x02
+#define HX509_CMS_VS_ALLOW_NO_SIG			0x04
+#define HX509_CMS_VS_NO_VALIDATE			0x08
 
 /* selectors passed to hx509_crypto_select and hx509_crypto_available */
 #define HX509_SELECT_ALL 0