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xfrm: Add support for SM4 symmetric cipher algorithm

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This patch adds SM4 encryption algorithm entry to ealg_list.

Signed-off-by: Xu Jia <xujia39@huawei.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Xu Jia 2021-12-22 17:06:59 +08:00 committed by Steffen Klassert
parent e6911affa4
commit 23b6a6df94
2 changed files with 22 additions and 0 deletions
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1
include/uapi/linux/pfkeyv2.h
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@ -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 */

21
net/xfrm/xfrm_algo.c
View File

@ -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[] = {