#define X509_V_FLAG_NOTIFY_POLICY 0x800
/* Extended CRL features such as indirect CRLs, alternate CRL signing keys */
#define X509_V_FLAG_EXTENDED_CRL_SUPPORT 0x1000
+/* Delta CRL support */
+#define X509_V_FLAG_USE_DELTAS 0x2000
#define X509_VP_FLAG_DEFAULT 0x1
#define X509_VP_FLAG_OVERWRITE 0x2