Ignore keys that aren't usable for encryption rather than just expired keys

Signed-off-by: James McCoy <vega.james@gmail.com>

plugin/gnupg.vim

@@ -139,7 +139,7 @@
 if (exists("g:loaded_gnupg") || &cp || exists("#GnuPG"))
   finish
 endif
-let g:loaded_gnupg = '2.4'
+let g:loaded_gnupg = '2.5'
 let s:GPGInitRun = 0
 
 " check for correct vim version {{{2
@@ -1091,11 +1091,6 @@ function s:GPGNameToID(name)
 
       let fields = split(line, ":")
 
-      " Ignore expired keys
-      if fields[1] == 'e'
-        continue
-      endif
-
       " search for the next uid
       if pubseen
         if (fields[0] == "uid")
@@ -1106,6 +1101,11 @@ function s:GPGNameToID(name)
       " search for the next pub
       else
         if (fields[0] == "pub")
+          " Ignore keys which are not usable for encryption
+          if fields[11] !~? 'e'
+            continue
+          endif
+
           let identity = fields[4]
           let gpgids += [identity]
           if exists("*strftime")
@@ -1163,13 +1163,13 @@ function s:GPGIDToName(identity)
   for line in lines
     let fields = split(line, ":")
 
-    " Ignore expired keys
-    if fields[1] == 'e'
+    if !pubseen " search for the next pub
+      if (fields[0] == "pub")
+        " Ignore keys which are not usable for encryption
+        if fields[11] !~? 'e'
           continue
         endif
 
-    if !pubseen " search for the next pub
-      if (fields[0] == "pub")
         let pubseen = 1
       endif
     else " search for the next uid