Re: [GIT PULL] fscrypt updates for 4.18
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- To: Richard Weinberger <richard@xxxxxxxxxxxxx>
- Subject: Re: [GIT PULL] fscrypt updates for 4.18
- From: "Theodore Y. Ts'o" <tytso@xxxxxxx>
- Date: Tue, 5 Jun 2018 13:02:08 -0400
- In-reply-to: <30587992.7Od65ROsjm@blindfold>
- Mail-followup-to: "Theodore Y. Ts'o" <tytso@xxxxxxx>, Richard Weinberger <richard@xxxxxxxxxxxxx>, Richard Weinberger <richard.weinberger@xxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, LKML <linux-kernel@xxxxxxxxxxxxxxx>, linux-fscrypt@xxxxxxxxxxxxxxx
- References: <20180605150751.GA9436@thunk.org> <CAFLxGvysjYbCpkqbVqD8Q1v3isGnRrNo5KdUn7TgCVt9WxzE2g@mail.gmail.com> <20180605153501.GC7839@thunk.org> <30587992.7Od65ROsjm@blindfold>
- User-agent: Mutt/1.10.0 (2018-05-17)
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
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