From: Ted Zlatanov <tzz@lifelogs.com>
To: emacs-devel@gnu.org
Subject: Re: NaCl support for Emacs
Date: Mon, 09 Jan 2012 20:43:12 -0500 [thread overview]
Message-ID: <87pqesgwnj.fsf@lifelogs.com> (raw)
In-Reply-To: jwvipkkcpon.fsf-monnier+emacs@gnu.org
On Mon, 09 Jan 2012 20:30:48 -0500 Stefan Monnier <monnier@IRO.UMontreal.CA> wrote:
>>>> Many places in the Emacs core (C and ELisp) could use a fast easy
>>>> encryption library for arbitrary data that supports public and
>>>> secret-key encryption, in addition to EPA/EPG that
>>>> I already mentioned.
SM> Could be. There's no hard evidence for it yet.
>> I listed three places I think could use it, how much harder does the
>> evidence have to be?
>> - auth-source's cache of file contents
>> - EPA/EPG or something like it that does not rely on the external GPG utility
>> - general ELisp storage of secret data
SM> I don't think Emacs should reinvent every wheel. GPG does this job well
SM> and using it means that those files can be decrypted without Emacs.
Calling out to an external process is less secure than using built-in
encryption primitives. So while in general you're right, in this case
I'll respectfully disagree. It may be convenient but it's not secure.
SM> I'm sure there are cases where doing the encryption in Emacs can make
SM> sense, but I'd first like to see actual code (aka "hard evidence").
Argh. The auth-source cache is already implemented as a hack, is that
hard enough evidence? Quoting the relevant bit from
`auth-source-netrc-parse':
#+begin_src lisp
;; cache all netrc files (used to be just .gpg files)
;; Store the contents of the file heavily encrypted in memory.
;; (note for the irony-impaired: they are just obfuscated)
(aput 'auth-source-netrc-cache file
(list :mtime (nth 5 (file-attributes file))
:secret (lexical-let ((v (mapcar '1+ (buffer-string))))
(lambda () (apply 'string (mapcar '1- v))))))
#+end_src
Similarly auth-source.el returns passwords in a `lexical-let' wrapper so
they can't be leaked into the logs, they have to be evaluated, but it
doesn't attempt to obfuscate them like the code above.
Ted
next prev parent reply other threads:[~2012-01-10 1:43 UTC|newest]
Thread overview: 243+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAJU7zaKH0NTE7ko6u24gXy9WupsNw+CAvhMdVudzxpXvsY2vig@mail.gmail.com>
2011-12-31 13:46 ` gnutls for win32 Ted Zlatanov
2012-01-01 11:10 ` Nikos Mavrogiannopoulos
2012-01-01 11:50 ` Eli Zaretskii
2012-01-01 14:13 ` Ted Zlatanov
2012-01-01 16:10 ` Eli Zaretskii
2012-01-01 16:38 ` Ted Zlatanov
2012-01-01 17:05 ` Eli Zaretskii
2012-01-01 21:17 ` Ted Zlatanov
2012-01-01 21:28 ` Juanma Barranquero
2012-01-01 21:40 ` Eli Zaretskii
2012-01-01 23:54 ` GnuTLS for W32 (was: gnutls for win32) Ted Zlatanov
2012-01-02 0:49 ` Juanma Barranquero
2012-01-02 1:33 ` GnuTLS for W32 Óscar Fuentes
2012-01-02 1:44 ` Juanma Barranquero
2012-01-02 2:35 ` Óscar Fuentes
2012-01-02 2:57 ` Juanma Barranquero
2012-01-02 3:18 ` Óscar Fuentes
2012-01-02 4:02 ` Juanma Barranquero
2012-01-02 16:16 ` Ted Zlatanov
2012-01-02 17:31 ` Juanma Barranquero
2012-01-02 17:39 ` Eli Zaretskii
2012-01-02 18:51 ` Lars Ingebrigtsen
2012-01-02 22:35 ` Ted Zlatanov
2012-01-03 0:48 ` Óscar Fuentes
2012-01-03 6:37 ` Eli Zaretskii
2012-01-03 14:07 ` Óscar Fuentes
2012-01-03 17:21 ` Eli Zaretskii
2012-01-03 17:48 ` Óscar Fuentes
2012-01-03 18:14 ` Eli Zaretskii
2012-01-03 18:34 ` Óscar Fuentes
2012-01-03 19:38 ` Eli Zaretskii
2012-01-03 19:48 ` Óscar Fuentes
2012-01-03 20:09 ` Eli Zaretskii
2012-01-03 20:25 ` Óscar Fuentes
2012-01-04 6:48 ` Chong Yidong
2012-01-04 8:15 ` Eli Zaretskii
2012-01-04 3:45 ` Stephen J. Turnbull
2012-01-04 5:21 ` Eli Zaretskii
2012-01-04 7:03 ` Stephen J. Turnbull
2012-01-04 8:21 ` Eli Zaretskii
2012-01-04 11:21 ` Stephen J. Turnbull
2012-01-04 11:33 ` Lars Magne Ingebrigtsen
2012-01-04 11:57 ` Lennart Borgman
2012-01-04 12:06 ` Lars Magne Ingebrigtsen
2012-01-04 12:37 ` David Engster
2012-01-04 18:42 ` Lennart Borgman
2012-01-04 18:19 ` Eli Zaretskii
2012-01-04 13:57 ` Eli Zaretskii
2012-01-04 14:14 ` Óscar Fuentes
2012-01-04 15:05 ` Juanma Barranquero
2012-01-04 15:42 ` Óscar Fuentes
2012-01-04 16:29 ` Ted Zlatanov
2012-01-04 17:00 ` Juanma Barranquero
2012-01-04 18:48 ` Ted Zlatanov
2012-01-05 5:40 ` joakim
2012-01-05 15:52 ` Óscar Fuentes
2012-01-04 19:21 ` Óscar Fuentes
2012-01-04 19:45 ` Juanma Barranquero
2012-01-04 23:00 ` Óscar Fuentes
2012-01-05 0:18 ` Juanma Barranquero
2012-01-05 2:00 ` Óscar Fuentes
2012-01-05 2:36 ` Juanma Barranquero
2012-01-05 6:45 ` Eli Zaretskii
2012-01-05 6:41 ` Eli Zaretskii
2012-01-05 7:04 ` Daniel Colascione
2012-01-05 11:58 ` Eli Zaretskii
2012-01-04 20:37 ` Ted Zlatanov
2012-01-04 20:41 ` Lars Magne Ingebrigtsen
2012-01-04 22:12 ` Ted Zlatanov
2012-01-04 22:47 ` chad
2012-01-04 23:16 ` Ted Zlatanov
2012-01-05 5:36 ` Eli Zaretskii
2012-01-05 13:50 ` Ted Zlatanov
2012-01-05 14:14 ` Eli Zaretskii
2012-01-05 14:50 ` Juanma Barranquero
2012-01-05 16:19 ` chad
2012-01-05 20:30 ` Juanma Barranquero
2012-01-05 23:14 ` chad
2012-01-05 23:32 ` Juanma Barranquero
2012-01-05 23:58 ` Richard Riley
2012-01-06 0:05 ` Juanma Barranquero
2012-01-06 7:11 ` Eli Zaretskii
2012-01-06 0:09 ` Juanma Barranquero
2012-01-06 1:05 ` chad
2012-01-06 1:13 ` Juanma Barranquero
2012-01-06 1:24 ` Óscar Fuentes
2012-01-06 1:48 ` Juanma Barranquero
2012-01-06 2:37 ` Óscar Fuentes
2012-01-06 3:08 ` Juanma Barranquero
2012-01-06 3:56 ` Óscar Fuentes
2012-01-06 4:11 ` Juanma Barranquero
2012-01-06 5:49 ` chad
2012-01-06 7:12 ` Eli Zaretskii
2012-01-06 12:35 ` Juanma Barranquero
2012-01-07 2:34 ` Stephen J. Turnbull
2012-01-06 13:39 ` Juanma Barranquero
2012-01-07 2:31 ` Stephen J. Turnbull
2012-01-07 3:37 ` Óscar Fuentes
2012-01-07 9:30 ` Juanma Barranquero
2012-01-07 13:37 ` Ted Zlatanov
2012-01-07 15:10 ` Juanma Barranquero
2012-01-07 1:36 ` Stephen J. Turnbull
2012-01-07 1:46 ` Juanma Barranquero
2012-01-07 5:07 ` Stephen J. Turnbull
2012-01-07 1:23 ` Stephen J. Turnbull
2012-01-05 15:08 ` joakim
2012-01-05 15:37 ` Lars Ingebrigtsen
2012-01-05 17:52 ` Ted Zlatanov
2012-01-05 18:29 ` Lars Ingebrigtsen
2012-01-05 20:06 ` Ted Zlatanov
2012-01-06 3:15 ` Lars Magne Ingebrigtsen
2012-01-06 3:37 ` chad
2012-01-05 20:38 ` Juanma Barranquero
2012-01-05 20:36 ` Juanma Barranquero
2012-01-05 20:39 ` Richard Riley
2012-01-05 22:45 ` Juanma Barranquero
2012-01-05 22:35 ` Ted Zlatanov
2012-01-05 22:43 ` Juanma Barranquero
2012-01-05 23:28 ` Ted Zlatanov
2012-01-05 23:38 ` Juanma Barranquero
2012-01-05 23:55 ` Richard Riley
2012-01-05 23:59 ` Juanma Barranquero
2012-01-06 7:10 ` Eli Zaretskii
2012-01-07 2:03 ` Stephen J. Turnbull
2012-01-07 5:40 ` Richard Riley
2012-01-07 13:35 ` Ted Zlatanov
2012-01-07 14:51 ` Richard Riley
2012-01-07 15:12 ` Juanma Barranquero
2012-01-08 15:33 ` Ted Zlatanov
2012-01-09 1:04 ` Stefan Monnier
2012-01-09 14:26 ` Ted Zlatanov
2012-01-09 14:26 ` NaCl support for Emacs (was: GnuTLS for W32) Ted Zlatanov
2012-01-09 15:30 ` NaCl support for Emacs Stefan Monnier
2012-01-09 16:43 ` Carsten Mattner
2012-01-09 16:59 ` Ted Zlatanov
2012-01-09 17:48 ` Carsten Mattner
2012-01-09 18:17 ` Ted Zlatanov
2012-01-09 18:21 ` Carsten Mattner
2012-01-10 1:45 ` Ted Zlatanov
2012-01-09 16:53 ` Ted Zlatanov
2012-01-09 22:23 ` Stefan Monnier
2012-01-10 1:06 ` Ted Zlatanov
2012-01-10 1:30 ` Stefan Monnier
2012-01-10 1:43 ` Ted Zlatanov [this message]
2012-01-10 1:54 ` Richard Riley
2012-01-10 2:34 ` libnettle for Emacs (was: NaCl support for Emacs) Ted Zlatanov
2012-01-10 2:43 ` libnettle for Emacs Richard Riley
2012-01-10 3:01 ` NaCl support " Daniel Colascione
2012-01-10 11:45 ` Ted Zlatanov
2012-01-10 12:51 ` Ted Zlatanov
2012-01-10 3:21 ` Stefan Monnier
2012-01-10 11:54 ` Ted Zlatanov
2012-01-10 12:51 ` Carsten Mattner
2012-01-10 13:49 ` Ted Zlatanov
2012-01-10 16:01 ` Carsten Mattner
2012-01-10 20:01 ` Stefan Monnier
2012-01-09 20:48 ` joakim
2012-01-09 17:09 ` NaCl support for Emacs (was: GnuTLS for W32) Eli Zaretskii
2012-01-09 17:26 ` NaCl support for Emacs Ted Zlatanov
2012-01-09 17:29 ` NaCl support for Emacs (was: GnuTLS for W32) Eli Zaretskii
2012-01-10 0:57 ` NaCl support for Emacs Lars Magne Ingebrigtsen
2012-01-10 10:01 ` NaCl support for Emacs (was: GnuTLS for W32) Eli Zaretskii
2012-01-10 10:46 ` Carsten Mattner
2012-01-11 5:09 ` Stephen J. Turnbull
2012-01-11 10:42 ` Carsten Mattner
2012-01-11 12:26 ` Stephen J. Turnbull
2012-01-11 12:49 ` NaCl support for Emacs Harald Hanche-Olsen
2012-01-11 12:59 ` Carsten Mattner
2012-01-11 15:47 ` Stephen J. Turnbull
2012-01-11 15:58 ` Carsten Mattner
2012-01-11 16:33 ` Stephen J. Turnbull
2012-01-11 14:07 ` Stefan Monnier
2012-01-11 14:23 ` Carsten Mattner
2012-01-11 16:04 ` Stephen J. Turnbull
2012-01-11 19:40 ` NaCl support for Emacs (was: GnuTLS for W32) Richard Stallman
2012-01-08 7:40 ` GnuTLS for W32 Stephen J. Turnbull
2012-01-08 8:34 ` Eli Zaretskii
2012-01-06 0:43 ` Ted Zlatanov
2012-01-06 0:59 ` Juanma Barranquero
2012-01-06 14:08 ` Ted Zlatanov
2012-01-06 14:35 ` Juanma Barranquero
2012-01-06 15:26 ` Ted Zlatanov
2012-01-06 15:47 ` Juanma Barranquero
2012-01-06 16:50 ` Ted Zlatanov
2012-01-07 10:24 ` Chong Yidong
2012-01-07 13:14 ` Juanma Barranquero
2012-01-07 13:28 ` Ted Zlatanov
2012-01-07 21:03 ` Reiner Steib
2012-01-05 5:24 ` Eli Zaretskii
2012-01-04 21:23 ` Eli Zaretskii
2012-01-04 22:34 ` Óscar Fuentes
2012-01-05 6:34 ` Eli Zaretskii
2012-01-05 15:17 ` Óscar Fuentes
2012-01-05 18:11 ` Eli Zaretskii
2012-01-04 18:10 ` Eli Zaretskii
2012-01-04 19:42 ` Óscar Fuentes
2012-01-04 21:31 ` Eli Zaretskii
2012-01-04 15:15 ` Juanma Barranquero
2012-01-04 18:09 ` Eli Zaretskii
2012-01-04 19:39 ` Óscar Fuentes
2012-01-04 21:30 ` Eli Zaretskii
2012-01-04 23:18 ` Óscar Fuentes
2012-01-05 6:44 ` Eli Zaretskii
2012-01-03 7:14 ` Eli Zaretskii
2012-01-03 13:06 ` Ted Zlatanov
2012-01-03 13:37 ` Juanma Barranquero
2012-01-03 14:02 ` Eli Zaretskii
2012-01-03 15:00 ` Ted Zlatanov
2012-01-03 15:05 ` Juanma Barranquero
2012-01-03 17:29 ` Eli Zaretskii
2012-01-03 18:10 ` Óscar Fuentes
2012-01-03 7:48 ` Eli Zaretskii
2012-01-03 13:09 ` Ted Zlatanov
2012-01-03 17:06 ` Eli Zaretskii
2012-01-04 11:02 ` Ted Zlatanov
2012-01-04 12:26 ` joakim
2012-01-04 14:22 ` Óscar Fuentes
2012-01-04 18:03 ` Eli Zaretskii
2012-01-03 14:14 ` Jason Rumney
2012-01-02 17:54 ` Eli Zaretskii
2012-01-02 8:48 ` Eli Zaretskii
2012-01-02 10:42 ` Andreas Schwab
2012-01-02 11:20 ` Eli Zaretskii
2012-01-02 12:26 ` Lars Magne Ingebrigtsen
2012-01-02 12:41 ` Eli Zaretskii
2012-01-02 14:03 ` Andreas Schwab
2012-01-02 17:34 ` Eli Zaretskii
2012-01-02 8:47 ` GnuTLS for W32 (was: gnutls for win32) Eli Zaretskii
2012-01-02 9:47 ` GnuTLS for W32 Jason Rumney
2012-01-03 19:51 ` Lars Magne Ingebrigtsen
2012-01-01 22:32 ` gnutls for lose32 Richard Stallman
2012-01-02 6:55 ` Paul Eggert
2012-01-02 10:46 ` Carsten Mattner
2012-01-02 11:51 ` Juanma Barranquero
2012-01-02 13:09 ` Carsten Mattner
2012-01-02 13:15 ` Juanma Barranquero
2012-01-02 13:28 ` Juanma Barranquero
2012-01-02 19:05 ` Drew Adams
2012-01-02 16:17 ` Ted Zlatanov
2012-01-02 22:52 ` Richard Stallman
2012-01-02 19:05 ` Drew Adams
2012-01-02 12:17 ` Paul Eggert
2012-01-02 13:06 ` Carsten Mattner
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