case KEX_ECDH_SHA2:
r = kex_ecdh_keypair(kex);
break;
-#endif
+#endif /* WITH_OPENSSL */
case KEX_C25519_SHA256:
r = kex_c25519_keypair(kex);
break;
case KEX_ECDH_SHA2:
r = kex_ecdh_dec(kex, server_blob, &shared_secret);
break;
-#endif
+#endif /* WITH_OPENSSL */
case KEX_C25519_SHA256:
r = kex_c25519_dec(kex, server_blob, &shared_secret);
break;
r = kex_ecdh_enc(kex, client_pubkey, &server_pubkey,
&shared_secret);
break;
-#endif
+#endif /* WITH_OPENSSL */
case KEX_C25519_SHA256:
r = kex_c25519_enc(kex, client_pubkey, &server_pubkey,
&shared_secret);