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From: Hannes Reinecke <hare@suse.de>
To: Sagi Grimberg <sagi@grimberg.me>, Chuck Lever <cel@kernel.org>,
	Scott Mayhew <smayhew@redhat.com>
Cc: Chuck Lever <chuck.lever@oracle.com>,
	Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
	kernel-tls-handshake@lists.linux.dev
Subject: Re: Breakage in ktls-utils with nfs keyring?
Date: Mon, 4 May 2026 10:21:51 +0200	[thread overview]
Message-ID: <166afad9-e0cd-4f66-908d-75999bd96243@suse.de> (raw)
In-Reply-To: <7390cf6c-0f65-41f9-b5e6-4414417efa2c@grimberg.me>

On 5/4/26 10:02, Sagi Grimberg wrote:
>>>> This is because handling an NVMe PSK in the keyring is a first-class,
>>>> supported mechanism. Handling the x.509 certificate this way hasn't
>>>> really been thought through.
>>> What makes NVMe PSK more "supported" than x.509?
>> Hannes contributed NVMe PSK in the beginning. IIUC PSK was the first
>> authentication mode available for the NVMe/TCP protocol. I'm not sure
>> we can say that x.509 is supported for our NVMe/TCP implementation,
>> though that is something that should be made to work someday.
> 
> That depends if NVMe standardizes x.509, I am no longer a member of
> the TWG so I don't know, but I agree that it would be very nice to have.
> 
Sadly, this has been shelved for now.
There are no takers to move things forward.
So we're stuck with PSK for the time being.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@suse.de                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich

  reply	other threads:[~2026-05-04  8:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-30 13:32 Breakage in ktls-utils with nfs keyring? Sagi Grimberg
2026-04-30 13:38 ` Chuck Lever
2026-05-01 19:58   ` [PATCH] tlshd: fix keyring cert retrieval Scott Mayhew
2026-05-03  7:30     ` Sagi Grimberg
2026-05-01 20:19   ` Breakage in ktls-utils with nfs keyring? Scott Mayhew
2026-05-02  3:08     ` Chuck Lever
2026-05-03  7:48       ` Sagi Grimberg
2026-05-03 19:11         ` Chuck Lever
2026-05-03 20:37           ` Sagi Grimberg
2026-05-04  6:44             ` Chuck Lever
2026-05-04  8:02               ` Sagi Grimberg
2026-05-04  8:21                 ` Hannes Reinecke [this message]
2026-05-05  8:15               ` Chuck Lever
2026-05-05  8:32                 ` Sagi Grimberg

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