Linux cryptographic layer development
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From: "Horia Geantă" <horia.geanta@nxp.com>
To: Herbert Xu <herbert@gondor.apana.org.au>,
	Aymen Sghaier <aymen.sghaier@nxp.com>,
	Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
Cc: Iuliana Prodan <iuliana.prodan@nxp.com>
Subject: Re: [PATCH] crypto: caam - Remove broken arc4 support
Date: Thu, 16 Jul 2020 11:09:08 +0300	[thread overview]
Message-ID: <6b810baf-9eb7-ddc3-de7e-14078ae160e0@nxp.com> (raw)
In-Reply-To: <20200702043648.GA21823@gondor.apana.org.au>

On 7/2/2020 7:36 AM, Herbert Xu wrote:
> The arc4 algorithm requires storing state in the request context
> in order to allow more than one encrypt/decrypt operation.  As this
> driver does not seem to do that, it means that using it for more
> than one operation is broken.
> 
> Fixes: eaed71a44ad9 ("crypto: caam - add ecb(*) support")
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Given the circumstances, it's not feasible to fix arc4 in caam.

Link: https://lore.kernel.org/linux-crypto/CAMj1kXGvMe_A_iQ43Pmygg9xaAM-RLy=_M=v+eg--8xNmv9P+w@mail.gmail.com
Link: https://lore.kernel.org/linux-crypto/20200702101947.682-1-ardb@kernel.org
Acked-by: Horia Geantă <horia.geanta@nxp.com>

Horia

      parent reply	other threads:[~2020-07-16  8:09 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-02  4:36 [PATCH] crypto: caam - Remove broken arc4 support Herbert Xu
2020-07-02  7:27 ` Ard Biesheuvel
2020-07-02  7:32   ` Ard Biesheuvel
2020-07-02  7:40     ` Ard Biesheuvel
2020-07-02  7:45       ` Herbert Xu
2020-07-02  7:51         ` Ard Biesheuvel
2020-07-02  7:56           ` Herbert Xu
2020-07-02  8:00             ` Herbert Xu
2020-07-02  8:12               ` Ard Biesheuvel
2020-07-02  7:41     ` Herbert Xu
2020-07-02  7:40   ` Herbert Xu
2020-07-05 19:11 ` Horia Geantă
2020-07-06 13:42   ` Ard Biesheuvel
2020-07-08 16:24     ` Horia Geantă
2020-07-09  0:47       ` Herbert Xu
2020-07-09  8:53         ` Horia Geantă
2020-07-09  9:42           ` Ard Biesheuvel
2020-07-16  8:09 ` Horia Geantă [this message]

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