+/* MAC stuff */
+
+# define EVP_MAC_CMAC NID_cmac
+# define EVP_MAC_GMAC NID_gmac
+# define EVP_MAC_HMAC NID_hmac
+# define EVP_MAC_SIPHASH NID_siphash
+# define EVP_MAC_POLY1305 NID_poly1305
+
+EVP_MAC_CTX *EVP_MAC_CTX_new(const EVP_MAC *mac);
+EVP_MAC_CTX *EVP_MAC_CTX_new_id(int nid);
+void EVP_MAC_CTX_free(EVP_MAC_CTX *ctx);
+int EVP_MAC_CTX_copy(EVP_MAC_CTX *dest, EVP_MAC_CTX *src);
+const EVP_MAC *EVP_MAC_CTX_mac(EVP_MAC_CTX *ctx);
+size_t EVP_MAC_size(EVP_MAC_CTX *ctx);
+int EVP_MAC_init(EVP_MAC_CTX *ctx);
+int EVP_MAC_update(EVP_MAC_CTX *ctx, const unsigned char *data, size_t datalen);
+int EVP_MAC_final(EVP_MAC_CTX *ctx, unsigned char *out, size_t *poutlen);
+int EVP_MAC_ctrl(EVP_MAC_CTX *ctx, int cmd, ...);
+int EVP_MAC_vctrl(EVP_MAC_CTX *ctx, int cmd, va_list args);
+int EVP_MAC_ctrl_str(EVP_MAC_CTX *ctx, const char *type, const char *value);
+int EVP_MAC_str2ctrl(EVP_MAC_CTX *ctx, int cmd, const char *value);
+int EVP_MAC_hex2ctrl(EVP_MAC_CTX *ctx, int cmd, const char *value);
+int EVP_MAC_nid(const EVP_MAC *mac);
+
+# define EVP_get_macbynid(a) EVP_get_macbyname(OBJ_nid2sn(a))
+# define EVP_get_macbyobj(a) EVP_get_macbynid(OBJ_obj2nid(a))
+# define EVP_MAC_name(o) OBJ_nid2sn(EVP_MAC_nid(o))
+const EVP_MAC *EVP_get_macbyname(const char *name);
+void EVP_MAC_do_all(void (*fn)
+ (const EVP_MAC *ciph, const char *from, const char *to,
+ void *x), void *arg);
+void EVP_MAC_do_all_sorted(void (*fn)
+ (const EVP_MAC *ciph, const char *from,
+ const char *to, void *x), void *arg);
+
+# 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 */
+
+/* PKEY stuff */