Linux cryptographic layer development
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From: Herbert Xu <herbert@gondor.apana.org.au>
To: Ard Biesheuvel <ardb@kernel.org>
Cc: "Horia Geantă" <horia.geanta@nxp.com>,
	"Aymen Sghaier" <aymen.sghaier@nxp.com>,
	"Linux Crypto Mailing List" <linux-crypto@vger.kernel.org>,
	"Iuliana Prodan" <iuliana.prodan@nxp.com>
Subject: Re: [PATCH] crypto: caam - Remove broken arc4 support
Date: Thu, 2 Jul 2020 17:56:16 +1000	[thread overview]
Message-ID: <20200702075616.GA4394@gondor.apana.org.au> (raw)
In-Reply-To: <CAMj1kXHT9Puv2tC4_J2kVMjSF5es_9k+URVwsvao6TReS_5aJA@mail.gmail.com>

On Thu, Jul 02, 2020 at 09:51:29AM +0200, Ard Biesheuvel wrote:
>
> I'll wait for the code to be posted (please put me on cc), but my

Sure I will.

> suspicion is that carrying opaque state like that is going to bite us
> down the road.

Well it's only going to be arc4 at first, where it's definitely
an improvement over modifying the tfm context in encrypt/decrypt.

For XTS I haven't decided whether to go this way or not.  If it
does work out though we could even extend it to AEAD.

Cheers,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt

  reply	other threads:[~2020-07-02  7:56 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 [this message]
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

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