# endif
#endif
+#if !defined(LIBRESSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x10101000L)
+# define LRB_HAVE_TLS13 1
+#endif
+
/*
*/
static const char rb_default_ciphers[] = ""
+#ifdef LRB_HAVE_TLS13
+ "TLS_AES_256_GCM_SHA384:"
+ "TLS_CHACHA20_POLY1305_SHA256:"
+ "TLS_AES_128_GCM_SHA256:"
+#endif
"aECDSA+kEECDH+CHACHA20:"
"aRSA+kEECDH+CHACHA20:"
"aRSA+kEDH+CHACHA20:"