upstream: increase default KDF work-factor for OpenSSH format

private keys from 16 to 24; { feedback ok } x { deraadt markus }

OpenBSD-Commit-ID: a3afb1383f8ff0a49613d449f02395d9e8d4a9ec

diff --git a/sshkey.c b/sshkey.c
index 498922093c99e6632f0d4c30b3aa9b75e11aeec5..727728536b34ab0510571d19db7d1d5c949c0249 100644 (file)
--- a/sshkey.c
+++ b/sshkey.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshkey.c,v 1.136 2023/06/21 05:10:26 djm Exp $ */
+/* $OpenBSD: sshkey.c,v 1.137 2023/07/27 22:23:05 djm Exp $ */
 /*
  * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
  * Copyright (c) 2008 Alexander von Gernler.  All rights reserved.
@@ -75,7 +75,7 @@
 #define AUTH_MAGIC             "openssh-key-v1"
 #define SALT_LEN               16
 #define DEFAULT_CIPHERNAME     "aes256-ctr"
-#define        DEFAULT_ROUNDS          16
+#define        DEFAULT_ROUNDS          24
 
 /* Version identification string for SSH v1 identity files. */
 #define LEGACY_BEGIN           "SSH PRIVATE KEY FILE FORMAT 1.1\n"