[PATCHv3 00/12] nvme: In-band authentication support

Hannes Reinecke hare at suse.de
Mon Sep 13 02:43:29 PDT 2021


On 9/13/21 11:16 AM, Sagi Grimberg wrote:
> 
>> Hi all,
>>
>> recent updates to the NVMe spec have added definitions for in-band
>> authentication, and seeing that it provides some real benefit
>> especially for NVMe-TCP here's an attempt to implement it.
>>
>> Tricky bit here is that the specification orients itself on TLS 1.3,
>> but supports only the FFDHE groups. Which of course the kernel doesn't
>> support. I've been able to come up with a patch for this, but as this
>> is my first attempt to fix anything in the crypto area I would invite
>> people more familiar with these matters to have a look.
>>
>> Also note that this is just for in-band authentication. Secure
>> concatenation (ie starting TLS with the negotiated parameters) is not
>> implemented; one would need to update the kernel TLS implementation
>> for this, which at this time is beyond scope.
>>
>> As usual, comments and reviews are welcome.
> 
> Still no nvme-cli nor nvmetcli :(

Just send it (for libnvme and nvme-cli). Patch for nvmetcli to follow.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare at suse.de			                  +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer



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