Re: [PATCH v2 2/2] fscrypt: Add SM4 XTS/CTS symmetric algorithm support

From: Eric Biggers
Date: Tue Nov 22 2022 - 14:23:01 EST


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@xxxxxxxxxxxxxxxxx>

There is still no explanation here about why you believe this algorithm is
useful to support in fscrypt.

- Eric