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bug#16679: 24.3.50; can't create a newly encrypted gpg file with easypg


From: Lars Ingebrigtsen
Subject: bug#16679: 24.3.50; can't create a newly encrypted gpg file with easypg in cygwin emacs
Date: Fri, 30 Aug 2019 12:59:27 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Jason Lewis <address@hidden> writes:

> I put a (message "(car lines): %S" (car lines)) right before string is
> assigned in epg-list-keys, resulting in lots of messages culminating in:
>
> <lots of lines snipped>
> (car lines): ["uid" "-" nil nil nil "1330660041" nil
> "02F15375A7024F55715364D1E540EADAA09785E5" nil "ssh\\x3a//gnuradical.su"
> nil nil nil nil nil]
> (car lines): ["uid" "-" nil nil nil "1369245874" nil
> "9C1185A5C5E9FC54612808977EE8F548B2258D31" nil nil nil nil nil nil nil]
> while: Wrong type argument: stringp, nil

Are you still seeing this problem in more modern versions of Emacs?

Looking at the code, it looks like it should be pretty easy to fix -- it
looks like this key doesn't have a UID name, which is unusual, but could
be guarded against if it's still a problem with something like the
below:

diff --git a/lisp/epg.el b/lisp/epg.el
index 6d377d07e2..850bbac0db 100644
--- a/lisp/epg.el
+++ b/lisp/epg.el
@@ -1326,7 +1326,8 @@ epg-list-keys
        ((member (aref (car lines) 0) '("sub" "ssb"))
         (push (epg--make-sub-key-1 (car lines))
               (epg-key-sub-key-list (car keys))))
-       ((equal (aref (car lines) 0) "uid")
+       ((and (equal (aref (car lines) 0) "uid")
+             (aref (car lines) 9))
        ;; Decode the UID name as a backslash escaped UTF-8 string,
        ;; generated by GnuPG/GpgSM.
        (setq string (copy-sequence (aref (car lines) 9))


-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





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