diff --git a/ChangeLog b/ChangeLog
index 34351d474..5ec1345c3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,6 +16,10 @@
      few remaining ".Tn UNIX" macros with ".Ux" ones.
      pointed out by ratchov@, thanks!
      ok jmc@
+   - djm@cvs.openbsd.org 2009/10/22 22:26:13
+     [authfile.c]
+     switch from 3DES to AES-128 for encryption of passphrase-protected
+     SSH protocol 2 private keys; ok several
 
 20091011
  - (dtucker) [configure.ac sftp-client.c] Remove the gyrations required for
diff --git a/authfile.c b/authfile.c
index 735c64780..22df6c64b 100644
--- a/authfile.c
+++ b/authfile.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: authfile.c,v 1.76 2006/08/03 03:34:41 deraadt Exp $ */
+/* $OpenBSD: authfile.c,v 1.77 2009/10/22 22:26:13 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -184,7 +184,7 @@ key_save_private_pem(Key *key, const char *filename, const char *_passphrase,
 	int success = 0;
 	int len = strlen(_passphrase);
 	u_char *passphrase = (len > 0) ? (u_char *)_passphrase : NULL;
-	const EVP_CIPHER *cipher = (len > 0) ? EVP_des_ede3_cbc() : NULL;
+	const EVP_CIPHER *cipher = (len > 0) ? EVP_aes_128_cbc() : NULL;
 
 	if (len > 0 && len <= 4) {
 		error("passphrase too short: have %d bytes, need > 4", len);