From: Jakub Kicinski <kuba@kernel.org>
To: Sabrina Dubroca <sd@queasysnail.net>
Cc: netdev@vger.kernel.org, Frantisek Krenzelok <fkrenzel@redhat.com>,
Gal Pressman <gal@nvidia.com>,
Apoorv Kothari <apoorvko@amazon.com>
Subject: Re: [PATCH net-next 0/5] tls: implement key updates for TLS1.3
Date: Thu, 19 Jan 2023 09:00:16 -0800 [thread overview]
Message-ID: <20230119090016.381eb61b@kernel.org> (raw)
In-Reply-To: <Y8lkd2Im7y8BXtDe@hog>
On Thu, 19 Jan 2023 16:40:39 +0100 Sabrina Dubroca wrote:
> > > IIRC support for KeyUpdates is mandatory in TLS1.3, so currently the
> > > kernel can't claim to support 1.3, independent of offloading.
> >
> > The problem is that we will not be able to rekey offloaded connections.
> > For Tx it's a non-trivial problem given the current architecture.
> > The offload is supposed to be transparent, we can't fail the rekey just
> > because the TLS gotten offloaded.
>
> What's their plan when the peer sends a KeyUpdate request then? Let
> the connection break?
I believe so, yes, just open a new connection. TLS rekeying seems
to be extremely rare.
You mentioned nbd as a potential use case for kernel SW implementation.
Can nbd rekey? Is use space responding to control messages in case of
nbd?
next prev parent reply other threads:[~2023-01-20 5:02 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-17 13:45 [PATCH net-next 0/5] tls: implement key updates for TLS1.3 Sabrina Dubroca
2023-01-17 13:45 ` [PATCH net-next 1/5] tls: remove tls_context argument from tls_set_sw_offload Sabrina Dubroca
2023-01-18 23:12 ` Vadim Fedorenko
2023-01-17 13:45 ` [PATCH net-next 2/5] tls: block decryption when a rekey is pending Sabrina Dubroca
2023-01-19 2:10 ` [PATCH net-next 0/5] tls: implement key updates for TLS1.3 Apoorv Kothari
2023-01-17 13:45 ` [PATCH net-next 3/5] tls: implement rekey " Sabrina Dubroca
2023-01-17 23:16 ` Kuniyuki Iwashima
2023-01-18 10:38 ` Sabrina Dubroca
2023-01-19 1:25 ` Apoorv Kothari
2023-01-19 15:16 ` Sabrina Dubroca
2023-01-18 23:10 ` Vadim Fedorenko
2023-01-19 15:14 ` Sabrina Dubroca
2023-01-17 13:45 ` [PATCH net-next 4/5] selftests: tls: add key_generation argument to tls_crypto_info_init Sabrina Dubroca
2023-01-17 13:45 ` [PATCH net-next 5/5] selftests: tls: add rekey tests Sabrina Dubroca
2023-01-20 6:51 ` Apoorv Kothari
2023-01-18 2:03 ` [PATCH net-next 0/5] tls: implement key updates for TLS1.3 Jakub Kicinski
2023-01-18 10:06 ` Sabrina Dubroca
2023-01-19 2:55 ` Jakub Kicinski
2023-01-19 9:27 ` Gal Pressman
2023-01-23 10:13 ` Boris Pismenny
2023-01-24 15:56 ` Sabrina Dubroca
2023-01-25 18:47 ` Apoorv Kothari
2023-01-25 18:57 ` Jakub Kicinski
2023-01-25 21:17 ` Simo Sorce
2023-01-25 22:43 ` Jakub Kicinski
2023-01-25 23:05 ` Simo Sorce
2023-01-25 23:08 ` Jakub Kicinski
2023-01-25 23:52 ` Simo Sorce
2023-01-19 15:40 ` Sabrina Dubroca
2023-01-19 17:00 ` Jakub Kicinski [this message]
2023-01-19 20:51 ` Apoorv Kothari
2023-01-20 1:37 ` Vadim Fedorenko
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