From: Jean Louis <bugs@gnu.support>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Is with-temp-buffer really temporary?
Date: Tue, 27 Apr 2021 20:39:33 +0300 [thread overview]
Message-ID: <YIhMVSbN/srctVli@protected.localdomain> (raw)
In-Reply-To: <jwveeevn0js.fsf-monnier+emacs@gnu.org>
* Stefan Monnier <monnier@iro.umontreal.ca> [2021-04-27 19:54]:
> >> > And if Emacs exits, finishes the process, is memory then scraped?
> >> Of course not.
> > I'd think this is your operating system's job.
>
> Also, given the way computers are currently implemented, the cost of
> having to scrape all memory immediately after use would be somewhat
> high, especially compared to the benefit:
>
> - most of that memory contains data of no significance, so most of that
> work is wasted.
> - it just removes one particular attack vector, among many others, so
> the added security gain is low.
Purpose is to implement Emacs Lisp based uploading of files that are
on the fly GnuPG/PGP encrypted and would like to have zero-knowledge
privacy from hosting provider. As I see it now, it is not easy
task.
Could you give me pointers on how to accept uploaded data, should I
use (read-event) to read POST request like one byte by byte?
--
Jean
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prev parent reply other threads:[~2021-04-27 17:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-26 17:51 Is with-temp-buffer really temporary? Jean Louis
2021-04-26 19:58 ` Stefan Monnier
2021-04-26 20:53 ` Jean Louis
2021-04-26 22:42 ` Stefan Monnier
2021-04-27 7:11 ` tomas
2021-04-27 16:49 ` Stefan Monnier
2021-04-27 17:39 ` Jean Louis [this message]
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