From a0faafc320ac6af41f8c6df12cd7a55391667f82 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Fri, 5 Nov 2010 17:43:01 +0900
Subject: [PATCH] bug fix.

---
 ChangeLog     |  4 ++++
 src/openpgp.c | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 17ffe5c..61186c0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2010-11-05  NIIBE Yutaka  <gniibe@fsij.org>
 
+	Bug fix.
+	* src/openpgp.c (gpg_change_keystring): Handle
+	GPG_KEY_FOR_AUTHENTICATION.
+
 	Bug fixes.
 	* src/openpgp-do.c (gpg_do_write_prvkey): compare with != operator.
 	* src/ac.c (verify_admin_0): Don't hardcode 6, but use strlen.
diff --git a/src/openpgp.c b/src/openpgp.c
index a04af86..3863d56 100644
--- a/src/openpgp.c
+++ b/src/openpgp.c
@@ -150,6 +150,18 @@ gpg_change_keystring (int who_old, const uint8_t *old_ks,
   if (r < 0)
     return -2;
 
+  r = gpg_do_load_prvkey (GPG_KEY_FOR_AUTHENTICATION, who_old, old_ks);
+  if (r < 0)
+    return r;
+
+  if (r > 0)
+    prv_keys_exist++;
+
+  r = gpg_do_chks_prvkey (GPG_KEY_FOR_AUTHENTICATION, who_old, old_ks,
+			  who_new, new_ks);
+  if (r < 0)
+    return -2;
+
   if (prv_keys_exist)
     return 1;
   else