#endif /* OPENSSL_NO_CHACHA */
+#ifndef OPENSSL_NO_SIV
+extern const OSSL_DISPATCH aes128siv_functions[];
+extern const OSSL_DISPATCH aes192siv_functions[];
+extern const OSSL_DISPATCH aes256siv_functions[];
+#endif /* OPENSSL_NO_SIV */
+
/* MACs */
extern const OSSL_DISPATCH blake2bmac_functions[];
extern const OSSL_DISPATCH blake2smac_functions[];