+# define EVP_MAC_CTRL_SET_KEY 0x01 /* unsigned char *, size_t */
+# define EVP_MAC_CTRL_SET_FLAGS 0x02 /* unsigned long */
+# define EVP_MAC_CTRL_SET_ENGINE 0x03 /* ENGINE * */
+# define EVP_MAC_CTRL_SET_MD 0x04 /* EVP_MD * */
+# define EVP_MAC_CTRL_SET_CIPHER 0x05 /* EVP_CIPHER * */
+# define EVP_MAC_CTRL_SET_SIZE 0x06 /* size_t */
+# define EVP_MAC_CTRL_SET_IV 0x07 /* unsigned char *, size_t */
+# define EVP_MAC_CTRL_SET_CUSTOM 0x08 /* unsigned char *, size_t */
+# define EVP_MAC_CTRL_SET_XOF 0x09 /* int */
+# define EVP_MAC_CTRL_SET_SALT 0x0a /* unsigned char *, size_t */
+