Messages in this thread | | | Date | Thu, 1 Dec 2022 20:45:58 +0800 | Subject | Re: [PATCH v3 2/2] fscrypt: Add SM4 XTS/CTS symmetric algorithm support | From | Tianjia Zhang <> |
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Hi Bagas,
On 11/28/22 9:33 PM, Bagas Sanjaya wrote: > On 11/25/22 19:16, Tianjia Zhang wrote: >> SM4 is a symmetric algorithm widely used in China, and is even mandatory >> in many scenarios. We need to provide these users with the ability to >> encrypt files or disks using SM4-XTS, and many other algorithms that use >> SM2/3/4 algorithms or their combined algorithm scenarios, these features >> are demanded by many users, this patch enables to use SM4-XTS mode to >> encrypt file content, and use SM4-CBC-CTS to encrypt filename. >> > > Similar reply as [1]. That is, better say: > > ``` > Add support for XTS and CTS mode variant of SM4 algorithm, in similar > fashion to SM2 and SM3. The former is used to encrypt file contents, while > the latter (SM4-CBC-CTS) is used to encrypt filenames. > ``` > > Thanks. > > [1]: https://lore.kernel.org/linux-doc/42624542-6ccb-26a5-db98-d7944972246e@gmail.com/ >
Thanks for your reply, it is very valuable for me, I will update it in the next patch.
Cheers, Tianjia
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