linux-kernel - Re: [PATCH net-next 0/2] xfrm: Add support for SM3 and SM4

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Message-ID: <20211229101812.GP3272477@gauss3.secunet.de>
Date:   Wed, 29 Dec 2021 11:18:12 +0100
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Xu Jia <xujia39@...wei.com>
CC:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <kuba@...nel.org>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 0/2] xfrm: Add support for SM3 and SM4

On Wed, Dec 22, 2021 at 05:06:57PM +0800, Xu Jia wrote:
> These patches add xfrm support for SM3 and SM4 algorithms which are
> cryptographic standards published by China State Cryptography 
> Administration.
> 
> SM3 secure hash (OSCCA GM/T 0004-2012 SM3) is based on Merkle-Damgard 
> with a thuncation of 256 bits. It could be used for authentication 
> and random number generation.
> 
> SM4 symmetric ciper algorithm (OSCCA GB/T 32097-2016) has at least 128
> bits packet length which is similar to AES ciper algorithm. It is 
> suitable for the use of block ciphers in cryptographic applications.
> 
> As SM3 and SM4 have already been supported by Linux kernel,
> after these patches, we can use them with "ip xfrm" tools easily.
> 
> 
> Xu Jia (2):
>   xfrm: Add support for SM3 secure hash
>   xfrm: Add support for SM4 symmetric cipher algorithm
> 
>  include/uapi/linux/pfkeyv2.h |  2 ++
>  net/xfrm/xfrm_algo.c         | 41 +++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 43 insertions(+)

Series applied to ipsec-next, thanks a lot!