linux-kernel - Re: [PATCH v2] crypto: caam: do not register AES-XTS mode on LP units

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Date:   Sun, 13 Nov 2016 17:46:54 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Sven Ebenfeld <sven.ebenfeld@...il.com>
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, horia.geanta@....com, davem@...emloft.net,
        cata.vasile@....com
Subject: Re: [PATCH v2] crypto: caam: do not register AES-XTS mode on LP units

On Mon, Nov 07, 2016 at 06:51:34PM +0100, Sven Ebenfeld wrote:
> When using AES-XTS on a Wandboard, we receive a Mode error:
> caam_jr 2102000.jr1: 20001311: CCB: desc idx 19: AES: Mode error.
> 
> According to the Security Reference Manual, the Low Power AES units
> of the i.MX6 do not support the XTS mode. Therefore we must not
> register XTS implementations in the Crypto API.
> 
> Signed-off-by: Sven Ebenfeld <sven.ebenfeld@...il.com>
> Reviewed-by: Horia Geantă <horia.geanta@....com>
> 
> Cc: <stable@...r.kernel.org> # 4.4+
> Fixes: c6415a6016bf "crypto: caam - add support for acipher xts(aes)"

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt