gpg: Fix searching for the ADSK key when adding an ADSK.

* g10/keyedit.c (menu_addadsk): Request an exact search.
* g10/getkey.c (finish_lookup): Add an debug output.
--

GnuPG-bug-id: 6504

g10/getkey.c

@@ -3655,6 +3655,9 @@ finish_lookup (kbnode_t keyblock, unsigned int req_usage, int want_exact,
 	      break;
 	    }
 	}
+      if (DBG_LOOKUP)
+        log_debug ("finish_lookup: exact search requested: %sfound\n",
+                   foundk? "":"not ");
     }
 
   /* Get the user id that matched that low-level search criteria.  */

g10/keyedit.c

@@ -4844,6 +4844,15 @@ menu_addadsk (ctrl_t ctrl, kbnode_t pub_keyblock, const char *adskfpr)
           continue;
         }
 
+      /* Force searching for that exact fingerprint and for any key
+       * which has a key with that fingerprint.  */
+      if (!strchr (answer, '!'))
+        {
+          char *tmpstr = xstrconcat (answer, "!", NULL);
+          xfree (answer);
+          answer = tmpstr;
+        }
+
       free_public_key (adsk_pk);
       adsk_pk = xcalloc (1, sizeof *adsk_pk);
       adsk_pk->req_usage = PUBKEY_USAGE_ENC;