linux-kernel - Re: [PATCH v3 00/10] crypto: caam

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Message-ID: <70fa9fb9-d785-1928-e761-2332c305948e@nxp.com>
Date:   Wed, 23 Sep 2020 14:59:48 +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 v3 00/10] crypto: caam - xts(aes) updates

On 9/22/2020 7:03 PM, 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 v2:
> - modified xts_skcipher_ivsize() based on comments
> - squashed the previous 7-9/12 commits
> 
> 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
> 
> Andrei Botila (10):
>   crypto: caam/jr - add fallback for XTS with more than 8B IV
>   crypto: caam/qi - add fallback for XTS with more than 8B IV
>   crypto: caam/qi2 - add fallback for XTS with more than 8B IV
>   crypto: caam/jr - add support for more XTS key lengths
>   crypto: caam/qi - add support for more XTS key lengths
>   crypto: caam/qi2 - add support for more XTS key lengths
>   crypto: caam - add xts check for block length equal to zero
>   crypto: caam/jr - add support for XTS with 16B IV
>   crypto: caam/qi - add support for XTS with 16B IV
>   crypto: caam/qi2 - add support for XTS with 16B IV
> 
>  drivers/crypto/caam/Kconfig        |   3 +
>  drivers/crypto/caam/caamalg.c      |  94 +++++++++++++++++++++---
>  drivers/crypto/caam/caamalg_desc.c |  27 ++++---
>  drivers/crypto/caam/caamalg_qi.c   |  94 +++++++++++++++++++++---
>  drivers/crypto/caam/caamalg_qi2.c  | 111 ++++++++++++++++++++++++++---
>  drivers/crypto/caam/caamalg_qi2.h  |   2 +
>  6 files changed, 293 insertions(+), 38 deletions(-)
> 
For the series:
Reviewed-by: Horia Geantă <horia.geanta@....com>

Thanks,
Horia