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From: Deus Max <deusmax@gmx.com>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: emacs-devel@gnu.org, Deus Max <deusmax@gmx.com>
Subject: Re: Tramp and crypted files
Date: Fri, 29 May 2020 19:33:02 +0300	[thread overview]
Message-ID: <87r1v2em69.fsf@aia00820.aia.gr> (raw)
In-Reply-To: <87a71ryubz.fsf@gmx.de> (Michael Albinus's message of "Fri, 29 May 2020 11:16:32 +0200")

On Fri, May 29 2020, Michael Albinus wrote:

> Deus Max <deusmax@gmx.com> writes:
>
>> EncFs adds file name encryption and obsfucation, making in hard to guess
>> the encrypted file, even if you know the file name. So you have to
>> temporarily mount somewhere, in order to see the decrypted filenames.
>
> No. The new tramp-crypt file name handler makes this transparent to
> you. Given, you have declared "/nextcloud:host:/crypted/" as crypted
> remote directory. If you call for example
>
> (directory-file "/nextcloud:host:/crypted/subdir")
>
> this file name handler will transform "/nextcloud:host:/crypted/subdir"
> to "/nextcloud:host:/crypted/XXX", in case you have created a
> subdirectory "subdir" and it has the name "XXX" on the nextcloud
> server. Then the vanilla Tramp command is called as
>
> (directory-file "/nextcloud:host:/crypted/XXX")
>
> using the encrypted file name. It returns the list ("." ".." "YYY" "ZZZ"),
> with "YYY" and "ZZZ" being encrypted file names on the server. This
> result is received by the file name handler, and it transforms this list
> to ("." ".." "foo" "bar"), with "foo" and "bar" being the plain text
> file names of "YYY" and "ZZZ". So, finally you see
>
> (directory-file "/nextcloud:host:/crypted/subdir")
> => ("." ".." "foo" "bar")
>
> without even thinking about that this is a crypted remote
> directory. Same scenario for all other magic primitives, which are
> implemented by Tramp.
>
Great! I  need to reed up on the new tramp-crypt handler.

>> Yes, the .encfs6.xml is very importantf for EncFS.
>> I think encfs needs a temprorary mount point, to function. This can be a
>> weakness in a network situation, as any interruption could leave the
>> files open or in a strange state, inviting the case to be compromised.
>
> No. An encfs mount point is needed only in case you create a new
> .encfs6.xml file. Tramp would do this transparently by calling "encfs
> tmpdir1 tmpdir2". Then it saves tmpdir1/.encfs6.xml, unmounts the encfs
> mountpoint, and removes the temporary directories.
>
True. Thanks for correcting that.

DeusM




  reply	other threads:[~2020-05-29 16:33 UTC|newest]

Thread overview: 157+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-11 20:09 What is the most useful potential feature which Emacs lacks? ndame
2020-05-12  6:57 ` Arthur Miller
2020-05-12  7:13   ` ndame
2020-05-12 12:54     ` Stefan Kangas
2020-05-12 13:07       ` ndame
2020-05-12 14:56         ` Arthur Miller
2020-05-13  0:39   ` HaiJun Zhang
2020-05-13  1:34     ` Eduardo Ochs
2020-05-13  1:50       ` Eduardo Ochs
2020-05-12 10:00 ` H. Dieter Wilhelm
2020-05-12 11:10   ` Michael Albinus
2020-05-13  3:55     ` Richard Stallman
2020-05-13 10:32       ` Michael Albinus
2020-05-14  5:11         ` Richard Stallman
2020-05-14 10:34           ` Michael Albinus
2020-05-15  3:25             ` Richard Stallman
2020-05-15  8:15               ` Michael Albinus
2020-05-16  4:18                 ` Richard Stallman
2020-05-16 22:07                   ` H. Dieter Wilhelm
2020-05-18  3:45                     ` Richard Stallman
2020-05-18  8:05                       ` Tramp and crypted files (was: What is the most useful potential feature which Emacs lacks?) Michael Albinus
2020-05-19  4:01                         ` Richard Stallman
2020-05-19 14:38                           ` Tramp and crypted files Michael Albinus
2020-05-20  4:00                             ` Richard Stallman
2020-05-19  8:51                         ` Deus Max
2020-05-19 14:48                           ` Michael Albinus
2020-05-20  8:27                             ` Deus Max
2020-05-20  8:49                               ` Michael Albinus
2020-05-20 17:49                                 ` Deus Max
2020-05-20 19:09                                   ` Michael Albinus
2020-05-25 18:48                               ` Michael Albinus
2020-05-26  4:13                                 ` Richard Stallman
2020-05-26  7:13                                   ` Michael Albinus
2020-05-27  3:09                                     ` Richard Stallman
2020-05-28 13:05                                 ` Deus Max
2020-05-29  9:16                                   ` Michael Albinus
2020-05-29 16:33                                     ` Deus Max [this message]
2020-06-07 15:08                                       ` Michael Albinus
2020-06-13 12:06                                         ` Deus Max
2020-06-13 13:15                                           ` Michael Albinus
2020-05-29 18:22                                     ` Deus Max
2020-05-17  8:28                   ` What is the most useful potential feature which Emacs lacks? Michael Albinus
2020-05-12 11:57   ` Eric S Fraga
2020-05-12 15:34     ` Michael Albinus
2020-05-12 16:33       ` Eric S Fraga
2020-05-12 17:39         ` Tramp nextcloud (was: What is the most useful potential feature which Emacs lacks?) Michael Albinus
2020-05-12 18:12           ` Tramp nextcloud H. Dieter Wilhelm
2020-05-13  8:59           ` Eric S Fraga
2020-05-13  9:33             ` Tramp nextcloud (SOLVED) Eric S Fraga
2020-05-13 10:45               ` Michael Albinus
2020-05-13 11:10                 ` Eric S Fraga
2020-05-12 15:04   ` What is the most useful potential feature which Emacs lacks? Arthur Miller
2020-05-12 16:00   ` Drew Adams
2020-05-12 12:30 ` Helmut Eller
2020-05-13  1:22   ` Jose A. Ortega Ruiz
     [not found]     ` <5AYrQ3kvagEiLsXcUuMZvkDj1gBHT4YnJyVCX6RsvMkayS1ZbGWk18lJOyo_m8XanhsUygUtEqZw8OOOQOlwkg==@protonmail.internalid>
2020-05-13  2:45     ` Stefan Monnier
2020-05-13  3:58       ` jao
2020-05-13 23:12   ` João Távora
2020-05-14  0:04     ` Stefan Kangas
2020-05-14 10:08       ` Helmut Eller
2020-05-14 10:17         ` tomas
2020-05-14 10:34           ` Robert Pluim
2020-05-14 10:40             ` tomas
2020-05-15  3:25               ` Richard Stallman
2020-05-15  3:39                 ` Dmitry Gutov
2020-05-15  3:25               ` Richard Stallman
2020-05-15  3:51                 ` Dmitry Gutov
2020-05-16  4:18                   ` Richard Stallman
2020-05-16  9:29                     ` Dmitry Gutov
2020-05-17  2:55                       ` Richard Stallman
2020-05-15  3:17       ` Richard Stallman
2020-05-15  6:56         ` Eli Zaretskii
2020-05-16  4:18           ` Richard Stallman
2020-05-16  7:13             ` Eli Zaretskii
2020-05-16 12:56               ` Stefan Monnier
2020-05-17  2:56               ` Richard Stallman
2020-05-17  7:22                 ` Andreas Schwab
2020-05-18  3:42                 ` Richard Stallman
2020-05-18 14:29                   ` Eli Zaretskii
2020-05-19  3:56                     ` shr.el rename? Richard Stallman
2020-05-19  5:50                       ` Drew Adams
2020-05-19 12:41                       ` Lars Ingebrigtsen
2020-05-19 15:04                         ` Stefan Monnier
2020-05-19 16:47                           ` T.V Raman
2020-05-20  3:59                           ` Richard Stallman
2020-05-20  4:02                         ` Richard Stallman
2020-05-18 15:20             ` What is the most useful potential feature which Emacs lacks? Filipp Gunbin
2020-05-18 15:26               ` Eli Zaretskii
2020-05-15  9:10         ` Robert Pluim
2020-05-15 10:21           ` Eli Zaretskii
2020-05-15 11:07             ` Robert Pluim
2020-05-15 11:28               ` Eli Zaretskii
2020-05-15 11:49                 ` Robert Pluim
2020-05-15 11:58                   ` Eli Zaretskii
2020-05-15 12:14                     ` Robert Pluim
2020-05-15 12:56                       ` Eli Zaretskii
2020-05-15 15:22                       ` Stefan Monnier
2020-05-15 15:28                         ` Robert Pluim
2020-05-16  4:18               ` Richard Stallman
2020-05-16  4:17           ` Richard Stallman
2020-05-16  6:50             ` Andreas Schwab
2020-05-16  8:24               ` Yuri Khan
2020-05-17  2:56               ` Richard Stallman
2020-05-14 11:57   ` Dmitry Gutov
2020-05-12 12:44 ` Christopher Lemmer Webber
2020-05-13 16:36   ` Karl Fogel
2020-05-14  3:01     ` Christopher Lemmer Webber
2020-05-14  4:08       ` Karl Fogel
2020-05-14 10:01         ` Robert Pluim
2020-05-14 16:35         ` Christopher Lemmer Webber
2020-05-17  1:31           ` Dmitry Gutov
2020-05-18  3:43             ` Richard Stallman
2020-05-15  3:16         ` Richard Stallman
2020-05-28  4:00           ` Karl Fogel
2020-05-28 13:18             ` Stefan Monnier
2020-05-28 17:19               ` Karl Fogel
2020-05-28 18:05                 ` Drew Adams
2020-05-28 18:45                 ` Dmitry Gutov
2020-05-28 20:52                   ` Alan Third
2020-05-28 21:02                     ` Stefan Monnier
2020-05-28 21:10                       ` Alan Third
2020-05-28 21:27                         ` andres.ramirez
2020-05-28 21:54                         ` Stefan Monnier
2020-05-29 13:24                         ` Arthur Miller
2020-05-28 21:14                       ` Joost Kremers
2020-05-29 13:24                         ` Arthur Miller
2020-05-29  1:24                       ` Karl Fogel
2020-05-29  3:36                         ` Drew Adams
2020-05-29  3:06                     ` Richard Stallman
2020-05-29  3:41                       ` Drew Adams
2020-05-29 13:19                       ` Arthur Miller
2020-05-30  5:23                         ` Thibaut Verron
2020-05-29 13:11                     ` Arthur Miller
2020-05-13 17:48 ` ndame
2020-05-14  1:15   ` Arthur Miller
2020-05-14  4:10     ` ndame
2020-05-14  4:28       ` Arthur Miller
2020-05-15 10:38       ` Eli Zaretskii
2020-05-17  5:37         ` ndame
2020-05-17 12:42           ` Stefan Kangas
2020-05-17 13:18             ` Arthur Miller
2020-05-19  3:47               ` Richard Stallman
2020-05-17 22:03             ` chad
2020-05-13 21:05 ` Vasilij Schneidermann
2020-05-14 14:35 ` Björn Lindqvist
2020-06-03 11:39 ` What is the most useful potential feature which Emacs lacks? A: Autocompletion Konstantin Kharlamov
2020-06-03 12:36   ` Dmitry Gutov
2020-06-03 12:50     ` Konstantin Kharlamov
2020-06-03 13:10       ` Dmitry Gutov
2020-06-03 13:59         ` Konstantin Kharlamov
2020-06-03 14:21           ` Dmitry Gutov
2020-06-03 14:40             ` Konstantin Kharlamov
2020-06-03 18:49               ` Dmitry Gutov
2020-06-03 14:49   ` Drew Adams
2020-06-03 20:15     ` Konstantin Kharlamov
2020-06-03 20:36       ` Drew Adams
2020-06-03 20:49         ` Drew Adams

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