linux-kernel - Re: [PATCH v2 00/12] crypto: caam

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Message-ID: <a0645203-340a-f298-c407-8691c04cf47d@nxp.com>
Date:   Mon, 21 Sep 2020 14:46:53 +0300
From:   Horia Geantă <horia.geanta@....com>
To:     "Andrei Botila (OSS)" <andrei.botila@....nxp.com>,
        Aymen Sghaier <aymen.sghaier@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 00/12] crypto: caam - xts(aes) updates

On 9/21/2020 10:32 AM, Andrei Botila (OSS) wrote:
> From: Andrei Botila <andrei.botila@....com>
> 
> This patch series fixes some problems in CAAM's implementation of xts(aes):
>  - CAAM until Era 9 can't process XTS with 16B IV
>  - CAAM can only process in hardware XTS key lengths of 16B and 32B
>  - These hardware limitations are resolved through a fallback
>  - CAAM used to return 0 for XTS block length equal to zero
> 
> This patch series also adds a new feature in CAAM's xts(aes):
>  - CAAM is now able to process XTS with 16B IV in HW
> 
> Changes since v1:
> - use only get_unaligned() for calculating XTS IV size
> - fixed the double calling of crypto_skcipher_set_reqsize() in case of XTS
> - added a patch which modifies the return value for XTS when block length
>   is equal to zero
> 
Nitpick:
The new patches are 7-9/12.
Since they have the same Fixes tag and solve the same issue,
it would probably be better to squash them into a single patch.

Thanks,
Horia