From: Jason Gunthorpe <jgg@ziepe.ca>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
Pankaj Gupta <pankaj.gupta@nxp.com>,
"jarkko@kernel.org" <jarkko@kernel.org>,
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"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
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"david@sigma-star.at" <david@sigma-star.at>,
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Sahil Malhotra <sahil.malhotra@nxp.com>,
Kshitiz Varshney <kshitiz.varshney@nxp.com>,
Horia Geanta <horia.geanta@nxp.com>,
Varun Sethi <V.Sethi@nxp.com>
Subject: Re: [EXT] Re: [PATCH v0 3/8] crypto: hbk flags & info added to the tfm
Date: Thu, 20 Oct 2022 16:23:53 -0300 [thread overview]
Message-ID: <Y1GgSX+ZmOsxhB2N@ziepe.ca> (raw)
In-Reply-To: <Y1DN3SqEyFZd9i37@sol.localdomain>
On Wed, Oct 19, 2022 at 09:26:05PM -0700, Eric Biggers wrote:
> Are you referring to the support for hardware-wrapped inline crypto keys? It
> isn't upstream yet, but my latest patchset is at
> https://lore.kernel.org/linux-fscrypt/20220927014718.125308-2-ebiggers@kernel.org/T/#u.
> There's also a version of it used by some Android devices already. Out of
> curiosity, are you using it in an Android device, or have you adopted it in some
> other downstream?
Unrelated to Android, similar functionality, but slightly different
ultimate purpose. We are going to be sending a fscrypt patch series
for mlx5 and nvme soonish.
> > Yes, it would be nice to see a comprehensive understand on how HW
> > resident keys can be modeled in the keyring.
>
> Note that the keyrings subsystem is not as useful as it might seem. It sounds
> like something you want (you have keys, and there is a subsystem called
> "keyrings", so it should be used, right?), but often it isn't. fscrypt has
> mostly moved away from using it, as it caused lots of problems. I would caution
> against assuming that it needs to be part of any solution.
That sounds disappointing that we are now having parallel ways for the
admin to manipulate kernel owned keys.
Jason
next prev parent reply other threads:[~2022-10-20 19:24 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-06 13:08 [PATCH v0 0/8] Hardware Bound key added to Trusted Key-Ring Pankaj Gupta
2022-10-06 13:08 ` [PATCH v0 1/8] hw-bound-key: introducing the generic structure Pankaj Gupta
2022-10-12 8:52 ` Jarkko Sakkinen
2022-10-12 8:53 ` Jarkko Sakkinen
2022-10-06 13:08 ` [PATCH v0 2/8] keys-trusted: new cmd line option added Pankaj Gupta
2022-10-06 12:37 ` Ben Boeckel
2022-10-06 13:08 ` [PATCH v0 3/8] crypto: hbk flags & info added to the tfm Pankaj Gupta
2022-10-07 6:58 ` Herbert Xu
2022-10-10 11:15 ` [EXT] " Pankaj Gupta
2022-10-10 15:15 ` Jason A. Donenfeld
2022-10-10 21:35 ` [EXT] " David Gstir
2022-10-11 9:03 ` [EXT] " Herbert Xu
2022-10-11 11:32 ` Pankaj Gupta
2022-10-11 20:01 ` Jason A. Donenfeld
2022-10-12 9:06 ` Herbert Xu
2022-10-14 19:19 ` Jason Gunthorpe
2022-10-20 4:26 ` Eric Biggers
2022-10-20 19:23 ` Jason Gunthorpe [this message]
2022-10-20 21:28 ` Eric Biggers
2022-10-20 23:42 ` Jason Gunthorpe
2022-10-11 11:05 ` Pankaj Gupta
2022-10-12 8:57 ` Jarkko Sakkinen
2022-10-06 13:08 ` [PATCH v0 4/8] sk_cipher: checking for hw bound operation Pankaj Gupta
2022-10-12 8:59 ` Jarkko Sakkinen
2022-10-06 13:08 ` [PATCH v0 5/8] keys-trusted: re-factored caam based trusted key Pankaj Gupta
2022-10-06 13:08 ` [PATCH v0 6/8] KEYS: trusted: caam based black key Pankaj Gupta
2022-10-06 12:42 ` Ben Boeckel
2022-10-06 12:52 ` James Bottomley
2022-10-06 13:08 ` [PATCH v0 7/8] caam alg: symmetric key ciphers are updated Pankaj Gupta
2022-10-12 9:01 ` Jarkko Sakkinen
2022-10-06 13:08 ` [PATCH v0 8/8] dm-crypt: consumer-app setting the flag-is_hbk Pankaj Gupta
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