extern const OSSL_DISPATCH ossl_kdf_x942_kdf_functions[];
extern const OSSL_DISPATCH ossl_kdf_krb5kdf_functions[];
extern const OSSL_DISPATCH ossl_kdf_hmac_drbg_functions[];
+#ifndef OPENSSL_NO_ARGON2
+extern const OSSL_DISPATCH ossl_kdf_argon2i_functions[];
+extern const OSSL_DISPATCH ossl_kdf_argon2d_functions[];
+extern const OSSL_DISPATCH ossl_kdf_argon2id_functions[];
+#endif
/* RNGs */
extern const OSSL_DISPATCH ossl_test_rng_functions[];