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Message-ID: <0d47da05-9818-e6ed-c778-b1ad90688125@linux.alibaba.com>
Date:   Thu, 24 Nov 2022 15:59:43 +0800
From:   Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     "Theodore Y. Ts o" <tytso@....edu>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Jonathan Corbet <corbet@....net>, Jens Axboe <axboe@...nel.dk>,
        Ard Biesheuvel <ardb@...nel.org>,
        linux-fscrypt@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: [PATCH v2 2/2] fscrypt: Add SM4 XTS/CTS symmetric algorithm
 support

Hi Eric,

On 11/23/22 3:22 AM, Eric Biggers wrote:
> On Tue, Nov 22, 2022 at 03:06:32PM +0800, Tianjia Zhang wrote:
>> SM4 is a symmetric algorithm widely used in China, this patch enables
>> to use SM4-XTS mode to encrypt file content, and use SM4-CBC-CTS to
>> encrypt filename.
>>
>> Signed-off-by: Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>
> 
> There is still no explanation here about why you believe this algorithm is
> useful to support in fscrypt.
> 
> - Eric

Sorry, I will send a new version of patch to add these information.

Best regards,
Tianjia

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