From: Herbert Xu <herbert@gondor.apana.org.au>
To: Horia Geanta <horia.geanta@nxp.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>,
"linux-crypto@vger.kernel.org" <linux-crypto@vger.kernel.org>,
"kernel@pengutronix.de" <kernel@pengutronix.de>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] crypto: caam - Do not overwrite IV
Date: Fri, 8 Feb 2019 19:45:32 +0800 [thread overview]
Message-ID: <20190208114532.5yznhgeq6m6gh5fo@gondor.apana.org.au> (raw)
In-Reply-To: <VI1PR0402MB3485ABA90793B50E7744A0A198690@VI1PR0402MB3485.eurprd04.prod.outlook.com>
On Fri, Feb 08, 2019 at 08:41:37AM +0000, Horia Geanta wrote:
>
> So if there is a real intention to support offloading skcipher, as this old
> commit suggests:
>
> 84c911523020 ("[CRYPTO] gcm: Add support for async ciphers")
> This patch adds the necessary changes for GCM to be used with async
> ciphers. This would allow it to be used with hardware devices that
> support CTR.
>
> then we must take special care when building skcipher req->src and avoid having
> it's first entry (auth_tag[16] in crypto_gcm_req_priv_ctx structure) sharing a
> cache line with req->iv.
Could you prepare a patch for this?
Thanks,
--
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
next prev parent reply other threads:[~2019-02-08 11:45 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-31 6:12 [PATCH] crypto: caam - Do not overwrite IV Sascha Hauer
2019-02-04 12:26 ` Horia Geanta
2019-02-05 8:31 ` Sascha Hauer
2019-02-05 11:49 ` Horia Geanta
2019-02-08 7:16 ` Herbert Xu
2019-02-08 8:41 ` Horia Geanta
2019-02-08 8:55 ` Ard Biesheuvel
2019-02-08 11:44 ` Herbert Xu
2019-02-12 9:13 ` Ard Biesheuvel
2019-02-13 20:48 ` Horia Geanta
2019-02-13 21:15 ` Ard Biesheuvel
2019-02-08 11:45 ` Herbert Xu [this message]
2019-02-11 15:13 ` Horia Geanta
2019-02-11 17:28 ` Ard Biesheuvel
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