int (*ctrl_str) (EVP_MAC_IMPL *macctx, const char *type, const char *value);
};
+extern const EVP_MAC cmac_meth;
+extern const EVP_MAC gmac_meth;
+extern const EVP_MAC hmac_meth;
+extern const EVP_MAC siphash_meth;
+
/*
* This function is internal for now, but can be made external when needed.
* The documentation would read: