#define CRYPTO_ALG_DYING 0x00000040
#define CRYPTO_ALG_ASYNC 0x00000080
+/*
+ * Set this bit if and only if the algorithm requires another algorithm of
+ * the same type to handle corner cases.
+ */
+#define CRYPTO_ALG_NEED_FALLBACK 0x00000100
+
/*
* Transform masks and values (for crt_flags).
*/