Skip disabled PGP key when encrypting mail with Gnus.

* lisp/epg.el (epg-key-capablity-alist): Add "D" flag (Bug#5592).
* lisp/gnus/mml2015.el (mml2015-epg-find-usable-key): Skip disabled key (Bug#5592).

4 files changed, 12 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 3d28a4ffda7..df7d21c6124 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,7 @@
+2010-05-07  Christian von Roques <roques@mti.ag> (tiny change)
+
+        * lisp/epg.el (epg-key-capablity-alist): Add "D" flag (Bug#5592).
+
 2010-05-07  Katsumi Yamaoka  <yamaoka@jpl.org>
 
         * mail/binhex.el (binhex-decode-region-internal)
diff --git a/lisp/epg.el b/lisp/epg.el
index 7791c1865a7..6e69ae09da4 100644
--- a/lisp/epg.el
+++ b/lisp/epg.el
@@ -137,7 +137,8 @@
   '((?e . encrypt)
     (?s . sign)
     (?c . certify)
-    (?a . authentication)))
+    (?a . authentication)
+    (?D . disabled)))
 
 (defvar epg-new-signature-type-alist
   '((?D . detached)
diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index d429c0e319f..d78e07037b4 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2010-05-07  Christian von Roques <roques@mti.ag> (tiny change)
+
+        * mml2015.el (mml2015-epg-find-usable-key): Skip disabled key
+        (Bug#5592).
+
 2010-05-07  Julien Danjou  <julien@danjou.info>
 
         * gnus-art.el (gnus-mime-pipe-part): Add optional argument `cmd'; pass
diff --git a/lisp/gnus/mml2015.el b/lisp/gnus/mml2015.el
index 6725709c044..130a3ca86a5 100644
--- a/lisp/gnus/mml2015.el
+++ b/lisp/gnus/mml2015.el
@@ -1021,6 +1021,7 @@ Whether the passphrase is cached at all is controlled by
       (let ((pointer (epg-key-sub-key-list (car keys))))
         (while pointer
           (if (and (memq usage (epg-sub-key-capability (car pointer)))
+                   (not (memq 'disabled (epg-sub-key-capability (car pointer))))
                    (not (memq (epg-sub-key-validity (car pointer))
                               '(revoked expired))))
               (throw 'found (car keys)))