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Subject[PATCH net-next 1/2] xfrm: Add support for SM3 secure hash
Date
This patch allows IPsec to use SM3 HMAC authentication algorithm.

Signed-off-by: Xu Jia <xujia39@huawei.com>
---
include/uapi/linux/pfkeyv2.h | 1 +
net/xfrm/xfrm_algo.c | 20 ++++++++++++++++++++
2 files changed, 21 insertions(+)

diff --git a/include/uapi/linux/pfkeyv2.h b/include/uapi/linux/pfkeyv2.h
index d65b117..798ba9f 100644
--- a/include/uapi/linux/pfkeyv2.h
+++ b/include/uapi/linux/pfkeyv2.h
@@ -309,6 +309,7 @@ struct sadb_x_filter {
#define SADB_X_AALG_SHA2_512HMAC 7
#define SADB_X_AALG_RIPEMD160HMAC 8
#define SADB_X_AALG_AES_XCBC_MAC 9
+#define SADB_X_AALG_SM3_256HMAC 10
#define SADB_X_AALG_NULL 251 /* kame */
#define SADB_AALG_MAX 251

diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 4dae3ab..00b5444 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -341,6 +341,26 @@

.pfkey_supported = 0,
},
+{
+ .name = "hmac(sm3)",
+ .compat = "sm3",
+
+ .uinfo = {
+ .auth = {
+ .icv_truncbits = 256,
+ .icv_fullbits = 256,
+ }
+ },
+
+ .pfkey_supported = 1,
+
+ .desc = {
+ .sadb_alg_id = SADB_X_AALG_SM3_256HMAC,
+ .sadb_alg_ivlen = 0,
+ .sadb_alg_minbits = 256,
+ .sadb_alg_maxbits = 256
+ }
+},
};

static struct xfrm_algo_desc ealg_list[] = {
--
1.8.3.1
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