Commit 23b6a6df authored by Xu Jia's avatar Xu Jia Committed by Steffen Klassert
Browse files

xfrm: Add support for SM4 symmetric cipher algorithm 



This patch adds SM4 encryption algorithm entry to ealg_list.

Signed-off-by: default avatarXu Jia <xujia39@huawei.com>
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
parent e6911aff

include/uapi/linux/pfkeyv2.h

+1 −0
Original line number Diff line number Diff line
@@ -330,6 +330,7 @@ struct sadb_x_filter { 
#define SADB_X_EALG_AES_GCM_ICV16	20

#define SADB_X_EALG_CAMELLIACBC		22

#define SADB_X_EALG_NULL_AES_GMAC	23

#define SADB_X_EALG_SM4CBC		24

#define SADB_EALG_MAX                   253 /* last EALG */

/* private allocations should use 249-255 (RFC2407) */

#define SADB_X_EALG_SERPENTCBC  252     /* draft-ietf-ipsec-ciph-aes-cbc-00 */

net/xfrm/xfrm_algo.c

+21 −0
Original line number Diff line number Diff line
@@ -572,6 +572,27 @@ static struct xfrm_algo_desc ealg_list[] = { 
		.sadb_alg_maxbits = 288

	}

},

{

	.name = "cbc(sm4)",

	.compat = "sm4",



	.uinfo = {

		.encr = {

			.geniv = "echainiv",

			.blockbits = 128,

			.defkeybits = 128,

		}

	},



	.pfkey_supported = 1,



	.desc = {

		.sadb_alg_id = SADB_X_EALG_SM4CBC,

		.sadb_alg_ivlen	= 16,

		.sadb_alg_minbits = 128,

		.sadb_alg_maxbits = 256

	}

},

};



static struct xfrm_algo_desc calg_list[] = {