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

From: Steffen Klassert
Date: Wed Dec 29 2021 - 05:28:22 EST


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!