From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Richard Weinberger <richard@sigma-star.at>
Cc: Richard Weinberger <richard.weinberger@gmail.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-fscrypt@vger.kernel.org
Subject: Re: [GIT PULL] fscrypt updates for 4.18
Date: Tue, 5 Jun 2018 13:02:08 -0400 [thread overview]
Message-ID: <20180605170208.GE7839@thunk.org> (raw)
In-Reply-To: <30587992.7Od65ROsjm@blindfold>
On Tue, Jun 05, 2018 at 06:10:24PM +0200, Richard Weinberger wrote:
> That's the question. I understand the use case, but I fear attack scenarios
> where someone manages to downgrade the crypto of my phone.
> This is why I was asking whether Android tells me whether Speck is used or not.
> "it does encryption" is clearly not enough.
An attack scenario where someone manages to downgrade the crypto of
your phone would require replacing your kernel and your /system
partition --- at which point, you've got other problems. :-)
- Ted
next prev parent reply other threads:[~2018-06-05 17:02 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-05 15:07 [GIT PULL] fscrypt updates for 4.18 Theodore Y. Ts'o
2018-06-05 15:13 ` Richard Weinberger
2018-06-05 15:35 ` Theodore Y. Ts'o
2018-06-05 16:10 ` Richard Weinberger
2018-06-05 17:02 ` Theodore Y. Ts'o [this message]
2018-06-05 17:05 ` Richard Weinberger
2018-06-05 21:12 ` Theodore Y. Ts'o
2018-06-05 20:22 ` Linus Torvalds
2018-06-05 22:12 ` Theodore Y. Ts'o
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