From: Eric Biggers <ebiggers@kernel.org>
To: Dominique Martinet <asmadeus@codewreck.org>
Cc: demiobenour@gmail.com,
Harald Freudenberger <freude@linux.ibm.com>,
acme@kernel.org, adrian.hunter@intel.com,
alexander.shishkin@linux.intel.com, ardb@kernel.org,
axboe@kernel.dk, corbet@lwn.net, davem@davemloft.net,
edumazet@google.com, herbert@gondor.apana.org.au,
horms@kernel.org, io-uring@vger.kernel.org, irogers@google.com,
james.clark@linaro.org, jolsa@kernel.org, kuba@kernel.org,
kuniyu@google.com, linux-crypto@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-perf-users@vger.kernel.org, mark.rutland@arm.com,
mingo@redhat.com, namhyung@kernel.org, netdev@vger.kernel.org,
pabeni@redhat.com, peterz@infradead.org,
skhan@linuxfoundation.org, willemb@google.com,
linux-s390@vger.kernel.org
Subject: Re: [PATCH 2/3] AF_ALG: Drop support for off-CPU cryptography
Date: Fri, 24 Jul 2026 09:00:34 -0700 [thread overview]
Message-ID: <20260724160034.GB2032@sol> (raw)
In-Reply-To: <amOGWwdjnJqyxH5L@codewreck.org>
On Sat, Jul 25, 2026 at 12:35:55AM +0900, Dominique Martinet wrote:
> The tool source is available here:
> https://github.com/nxp-imx/crypto_af_alg
> (which now fails with:
> bind(3, {sa_family=AF_ALG, salg_type="skcipher", salg_feat=0, salg_mask=0, salg_name="tk(cbc(aes))"}, 88) = -1 ENOENT (No such file or directory)
> )
>
>
> I don't particularily care for the API used as long as we can keep using
> the hardware key, but as far as I can see there's no alternative API --
> what's the path forward?
There's no "tk(cbc(aes))" algorithm in the upstream kernel. So, it's
not possible that this ever worked with upstream. Given that, there's
no regression in upstream for this program, and it wouldn't be
appropriate to consider a sysctl knob in upstream at this time.
- Eric
next prev parent reply other threads:[~2026-07-24 16:02 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-23 19:43 [PATCH 0/3] AF_ALG: Remove support for AIO and old-style drivers Demi Marie Obenour
2026-05-23 19:43 ` Demi Marie Obenour via B4 Relay
2026-05-23 19:43 ` [PATCH 1/3] net: Remove support for AIO on sockets Demi Marie Obenour
2026-05-23 19:43 ` Demi Marie Obenour via B4 Relay
2026-05-25 8:03 ` Christoph Hellwig
2026-05-26 15:58 ` Jens Axboe
2026-05-27 8:13 ` Christoph Hellwig
2026-05-28 16:56 ` Jens Axboe
2026-05-29 13:59 ` Christoph Hellwig
2026-05-27 1:40 ` Jakub Kicinski
2026-05-30 0:47 ` sashiko-bot
2026-05-23 19:43 ` [PATCH 2/3] AF_ALG: Drop support for off-CPU cryptography Demi Marie Obenour
2026-05-23 19:43 ` Demi Marie Obenour via B4 Relay
2026-05-30 0:47 ` sashiko-bot
2026-06-03 13:33 ` Harald Freudenberger
2026-07-24 15:35 ` Dominique Martinet
2026-07-24 16:00 ` Eric Biggers [this message]
2026-07-24 16:32 ` Dominique Martinet
2026-07-24 18:09 ` Eric Biggers
2026-07-24 20:35 ` Demi Marie Obenour
2026-05-23 19:43 ` [PATCH 3/3] AF_ALG: Document that it is *always* slower Demi Marie Obenour
2026-05-23 19:43 ` Demi Marie Obenour via B4 Relay
2026-05-30 0:47 ` sashiko-bot
2026-05-29 6:09 ` [PATCH 0/3] AF_ALG: Remove support for AIO and old-style drivers Herbert Xu
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