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From: Jarkko Sakkinen <jarkko@kernel.org>
To: Chris Fenner <cfenn@google.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@iki.fi>,
	Peter Huewe <peterhuewe@gmx.de>, Jason Gunthorpe <jgg@ziepe.ca>,
	linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tpm: Disable TCG_TPM2_HMAC by default
Date: Mon, 18 Aug 2025 20:42:52 +0300	[thread overview]
Message-ID: <aKNmHDVHV1DufJEd@kernel.org> (raw)
In-Reply-To: <CAMigqh3yx7S2T=b-gTfdTG5BRs_JbHkXar4DT32AB3v_beNveA@mail.gmail.com>

On Fri, Aug 15, 2025 at 11:09:07AM -0700, Chris Fenner wrote:
> > I'm happy to make patch next week for this change too. So probably this
> > where I align myself to. It's just the best average IMHO. Everyone gets
> > exactly what they want, right?
> 
> To be clear: I already have what I want (the ability to disable this
> feature because it seems broken to me), I'm just making
> recommendations as a TPM abyssal domain expert. I hope my feedback is
> of some use on this -- the work of dealing with interposer attackers
> is quite important and I appreciate the effort already put in by the
> team.

So, if the feature is locked into persistent handle, the net effect
meets the same goals. I'll pursue on a patch.

> 
> Thanks
> Chris

BR, Jarkko

  reply	other threads:[~2025-08-18 17:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-14 16:22 [PATCH] tpm: Disable TCG_TPM2_HMAC by default Chris Fenner
2025-08-15 12:04 ` Jarkko Sakkinen
2025-08-15 15:45   ` Chris Fenner
2025-08-15 16:26     ` Jarkko Sakkinen
2025-08-15 17:06       ` Chris Fenner
2025-08-15 17:45         ` Jarkko Sakkinen
2025-08-15 17:52           ` Jarkko Sakkinen
2025-08-15 17:58             ` Jarkko Sakkinen
2025-08-15 18:04               ` Jarkko Sakkinen
2025-08-15 18:09                 ` Chris Fenner
2025-08-18 17:42                   ` Jarkko Sakkinen [this message]
  -- strict thread matches above, loose matches on Subject: below --
2024-05-18 11:34 Jarkko Sakkinen
2024-05-20 14:50 ` James Bottomley
2024-05-20 15:44   ` Jarkko Sakkinen

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