From: Martin Steigerwald <martin@lichtvoll.de>
To: John Stultz <jstultz@google.com>, Theodore Ts'o <tytso@mit.edu>
Cc: Arnd Bergmann <arnd@arndb.de>,
Matthew Wilcox <willy@infradead.org>,
Arnd Bergmann <arnd@kernel.org>, Tyler Hicks <code@tyhicks.com>,
Damien Le Moal <damien.lemoal@opensource.wdc.com>,
ecryptfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: ecryptfs is unmaintained and untested
Date: Tue, 14 Oct 2025 18:52:08 +0200 [thread overview]
Message-ID: <6199587.lOV4Wx5bFT@laptop> (raw)
In-Reply-To: <20251014143916.GA569133@mit.edu>
Hi.
Theodore Ts'o - 14.10.25, 16:39:16 CEST:
> This is probably because for many desktop and server configurations,
> using dm-crypt is actually better suited and more secure. It
> certainly doesn't solve the "just encrypt a directory hierarchy in a
> file system" and the "support multiple users' who might have different
> encryption keys and which are mutually suspicious" use cases. But
> this appears to not be sufficiently interesting for distributions to
> do that integration work.
If it is just about encrypting a sub directory of the home directory there
has been work to support that on Plasma desktop via Plasma Vault. It
supports CryFS as default, EncFS (with a security warning about it) and
gocryptfs. CryFS is interesting as it also obfuscates the directory
hierarchy as well as object names. All of them are FUSE filesystems.
Maybe one of these – excluding EncFS – could be used for encrypting the
complete home directory of a user. Preferably CryFS maybe. But I bet it
will be quite a bit slower than ecryptfs¹. And I am not aware of any other
desktop or distribution integration work regarding CryFS, gocryptfs or
another alternative.
[1] "The increase in security when compared to other file systems comes at
a performance cost. CryFS is fast enough to be used in practice. I'm
getting a read speed to 170MB/s and a write speed of 80MB/s on my SSD
machine, but other file systems are even faster."
https://www.cryfs.org/comparison
Best,
--
Martin
next prev parent reply other threads:[~2025-10-14 16:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-28 14:18 [PATCH] eccryptfs: select CONFIG_BUFFER_HEAD Arnd Bergmann
2024-10-28 15:02 ` ecryptfs is unmaintained and untested Matthew Wilcox
2024-10-28 21:50 ` Arnd Bergmann
2024-10-29 4:33 ` Theodore Ts'o
2024-10-30 21:06 ` Tyler Hicks
2026-02-16 11:53 ` René Herman
2025-10-14 6:07 ` John Stultz
2025-10-14 14:39 ` Theodore Ts'o
2025-10-14 16:38 ` John Stultz
2025-10-14 16:54 ` Martin Steigerwald
2025-10-14 17:52 ` Theodore Ts'o
2025-10-14 16:52 ` Martin Steigerwald [this message]
2025-10-14 20:35 ` Eric Biggers
2025-10-15 1:31 ` Theodore Ts'o
2025-10-15 2:23 ` Eric Biggers
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