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From: Eric Biggers <ebiggers@kernel.org>
To: Hannes Reinecke <hare@suse.de>
Cc: Hannes Reinecke <hare@kernel.org>, Christoph Hellwig <hch@lst.de>,
	Keith Busch <kbusch@kernel.org>, Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org, linux-crypto@vger.kernel.org
Subject: Re: [PATCH 1/9] crypto,fs: Separate out hkdf_extract() and hkdf_expand()
Date: Tue, 15 Oct 2024 15:41:10 +0000	[thread overview]
Message-ID: <20241015154110.GA2444622@google.com> (raw)
In-Reply-To: <e9ea2690-b3ac-47f0-a148-9e355841b6d0@suse.de>

On Tue, Oct 15, 2024 at 05:05:40PM +0200, Hannes Reinecke wrote:
> On 10/14/24 21:38, Eric Biggers wrote:
> > On Fri, Oct 11, 2024 at 05:54:22PM +0200, Hannes Reinecke wrote:
> > > Separate out the HKDF functions into a separate module to
> > > to make them available to other callers.
> > > And add a testsuite to the module with test vectors
> > > from RFC 5869 to ensure the integrity of the algorithm.
> > 
> > integrity => correctness
> > 
> Okay.
> 
> > > +config CRYPTO_HKDF
> > > +	tristate
> > > +	select CRYPTO_SHA1 if !CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
> > > +	select CRYPTO_SHA256 if !CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
> > > +	select CRYPTO_HASH2
> > 
> > Any thoughts on including SHA512 tests instead of SHA1, given that SHA1 is
> > obsolete and should not be used?
> > 
> Hmm. The original implementation did use SHA1, so I used that.
> But sure I can look into changing that.

If you're talking about fs/crypto/hkdf.c which is where you're borrowing the
code from, that uses SHA512.

- Eric

  reply	other threads:[~2024-10-15 15:41 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-11 15:54 [PATCHv10 0/9] nvme: implement secure concatenation Hannes Reinecke
2024-10-11 15:54 ` [PATCH 1/9] crypto,fs: Separate out hkdf_extract() and hkdf_expand() Hannes Reinecke
2024-10-14 19:38   ` Eric Biggers
2024-10-15 15:05     ` Hannes Reinecke
2024-10-15 15:41       ` Eric Biggers [this message]
2024-10-16  6:40         ` Hannes Reinecke
2024-10-16 16:27           ` Eric Biggers
2024-10-11 15:54 ` [PATCH 2/9] nvme: add nvme_auth_generate_psk() Hannes Reinecke
2024-10-11 15:54 ` [PATCH 3/9] nvme: add nvme_auth_generate_digest() Hannes Reinecke
2024-10-11 15:54 ` [PATCH 4/9] nvme: add nvme_auth_derive_tls_psk() Hannes Reinecke
2024-10-11 15:54 ` [PATCH 5/9] nvme-keyring: add nvme_tls_psk_refresh() Hannes Reinecke
2024-10-11 15:54 ` [PATCH 6/9] nvme-tcp: request secure channel concatenation Hannes Reinecke
2024-10-11 15:54 ` [PATCH 7/9] nvme-fabrics: reset admin connection for secure concatenation Hannes Reinecke
2024-10-11 15:54 ` [PATCH 8/9] nvmet-tcp: support secure channel concatenation Hannes Reinecke
2024-10-11 15:54 ` [PATCH 9/9] nvmet: add tls_concat and tls_key debugfs entries Hannes Reinecke
  -- strict thread matches above, loose matches on Subject: below --
2024-10-18  6:33 [PATCHv11 0/9] nvme: implement secure concatenaion Hannes Reinecke
2024-10-18  6:33 ` [PATCH 1/9] crypto,fs: Separate out hkdf_extract() and hkdf_expand() Hannes Reinecke
2024-08-13 11:15 [PATCHv9 0/9] nvme: implement secure concatenation Hannes Reinecke
2024-08-13 11:15 ` [PATCH 1/9] crypto,fs: Separate out hkdf_extract() and hkdf_expand() Hannes Reinecke
2024-08-27 17:52   ` Eric Biggers
2024-08-29 10:39     ` Hannes Reinecke
2024-08-29 21:54       ` Eric Biggers
2024-08-30  6:13         ` Hannes Reinecke
2024-07-22 14:21 [PATCHv8 0/9] nvme: implement secure concatenation Hannes Reinecke
2024-07-22 14:21 ` [PATCH 1/9] crypto,fs: Separate out hkdf_extract() and hkdf_expand() Hannes Reinecke
2024-07-23  1:36   ` Eric Biggers
2024-07-23  6:24     ` Hannes Reinecke

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