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From: Ted Zlatanov <tzz@lifelogs.com>
To: ding@gnus.org
Subject: Re: Default encryption for Message
Date: Tue, 23 Sep 2014 16:02:00 -0400	[thread overview]
Message-ID: <m2siji9kcn.fsf@lifelogs.com> (raw)
In-Reply-To: <86wq8xffpv.fsf@informationelle-selbstbestimmung-im-internet.de>

On Sun, 21 Sep 2014 12:08:44 +0200 Jens Lechtenboerger <jens.lechtenboerger@fsfe.org> wrote: 

JL> 1. Bcc handling.

JL> Bcc handling in Gnus is broken.  Messages are encrypted to
JL> all recipients, giving away the key IDs (thus, in general the
JL> identities) of all recipients, including the “blind” ones.
JL> The Right Thing is explained there:
JL> http://lists.gnupg.org/pipermail/gnupg-users/2014-April/049394.html

JL> In DefaultEncrypt I added a test to warn against such cases.  In the
JL> version linked above, mml-secure-bcc-is-safe implements that test.
JL> I suggest to copy that function (and its prerequisites) into
JL> mml-sec.el.  Then, mml-secure-bcc-is-safe can be added as
JL> message-send-hook, which I suggest as default until proper Bcc
JL> handling is implemented.

I don't think warning is enough.  If it can be fixed, it should be fixed.

JL> 2. mml-default-encrypt-method

No opinion.

JL> 3. Creation of signatures
...
JL> I’m not sure about user expectations and the necessity of backwards
JL> compatibility, though.

No opinion, except IMO the Right Thing should override backwards
compatibility when it comes to security.

JL> 4. mm-encrypt-option
...
JL> Clearly, my [solution] is a hack.  A better approach might be a third
JL> value for mm-encrypt-option, say guided-if-multiple, to only enter
JL> guided mode if multiple keys are available.  That would require,
JL> however, to modify code in mml1991.el, mml2015.el, and mml-smime.el,
JL> which brings me to the next point.

Ask once, then save the preference in a Customize-controlled variable.

JL> 5. Refactoring

No opinion.

Ted




  reply	other threads:[~2014-09-23 20:02 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-21 10:08 Jens Lechtenboerger
2014-09-23 20:02 ` Ted Zlatanov [this message]
2014-09-24 13:59   ` Jens Lechtenboerger
2014-09-24 15:28     ` Ted Zlatanov
2014-09-24  2:23 ` Daiki Ueno
2014-09-24 14:30   ` Jens Lechtenboerger
2014-09-25  3:06     ` Daiki Ueno
2014-09-25 16:18       ` Jens Lechtenboerger
2014-09-28  0:16         ` Daiki Ueno
2014-10-02 16:51           ` Jens Lechtenboerger
2015-10-16 16:26 ` Refactoring of mml1991.el, mml2015.el, mml-smime.el (was: Default encryption for Message) Jens Lechtenboerger
2015-10-18  7:36   ` Refactoring of mml1991.el, mml2015.el, mml-smime.el Peter Münster
2015-10-18 14:09   ` Greg Troxel
2015-10-19 12:58     ` Jens Lechtenboerger
2015-11-06  2:10   ` Daiki Ueno
2015-11-07 20:28     ` Jens Lechtenboerger
2015-11-11  6:20       ` Daiki Ueno
2015-11-14 15:44         ` Jens Lechtenboerger
2015-11-20 16:31           ` in defense of GitLab or something (was: Refactoring of mml1991.el, mml2015.el, mml-smime.el) Ted Zlatanov
2014-09-22 12:49 Default encryption for Message Uwe Brauer
2014-09-22 17:04 ` Jens Lechtenboerger

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