diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 26ec20ef4899..52c9b455fc7d 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -234,6 +234,10 @@ int x509_note_pkey_algo(void *context, size_t hdrlen,
 	case OID_gost2012Signature512:
 		ctx->cert->sig->hash_algo = "streebog512";
 		goto ecrdsa;
+
+	case OID_SM2_with_SM3:
+		ctx->cert->sig->hash_algo = "sm3";
+		goto sm2;
 	}
 
 rsa_pkcs1:
@@ -246,6 +250,11 @@ ecrdsa:
 	ctx->cert->sig->encoding = "raw";
 	ctx->algo_oid = ctx->last_oid;
 	return 0;
+sm2:
+	ctx->cert->sig->pkey_algo = "sm2";
+	ctx->cert->sig->encoding = "raw";
+	ctx->algo_oid = ctx->last_oid;
+	return 0;
 }
 
 /*
@@ -266,7 +275,8 @@ int x509_note_signature(void *context, size_t hdrlen,
 	}
 
 	if (strcmp(ctx->cert->sig->pkey_algo, "rsa") == 0 ||
-	    strcmp(ctx->cert->sig->pkey_algo, "ecrdsa") == 0) {
+	    strcmp(ctx->cert->sig->pkey_algo, "ecrdsa") == 0 ||
+	    strcmp(ctx->cert->sig->pkey_algo, "sm2") == 0) {
 		/* Discard the BIT STRING metadata */
 		if (vlen < 1 || *(const u8 *)value != 0)
 			return -EBADMSG;
@@ -451,13 +461,20 @@ int x509_extract_key_data(void *context, size_t hdrlen,
 	struct x509_parse_context *ctx = context;
 
 	ctx->key_algo = ctx->last_oid;
-	if (ctx->last_oid == OID_rsaEncryption)
+	switch (ctx->last_oid) {
+	case OID_rsaEncryption:
 		ctx->cert->pub->pkey_algo = "rsa";
-	else if (ctx->last_oid == OID_gost2012PKey256 ||
-		 ctx->last_oid == OID_gost2012PKey512)
+		break;
+	case OID_gost2012PKey256:
+	case OID_gost2012PKey512:
 		ctx->cert->pub->pkey_algo = "ecrdsa";
-	else
+		break;
+	case OID_id_ecPublicKey:
+		ctx->cert->pub->pkey_algo = "sm2";
+		break;
+	default:
 		return -ENOPKG;
+	}
 
 	/* Discard the BIT STRING metadata */
 	if (vlen < 1 || *(const u8 *)value != 0)
diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h
index 657d6bf2c064..4462ed2c18cd 100644
--- a/include/linux/oid_registry.h
+++ b/include/linux/oid_registry.h
@@ -107,6 +107,12 @@ enum OID {
 	OID_gostTC26Sign512B,		/* 1.2.643.7.1.2.1.2.2 */
 	OID_gostTC26Sign512C,		/* 1.2.643.7.1.2.1.2.3 */
 
+	/* OSCCA */
+	OID_sm2,			/* 1.2.156.10197.1.301 */
+	OID_sm3,			/* 1.2.156.10197.1.401 */
+	OID_SM2_with_SM3,		/* 1.2.156.10197.1.501 */
+	OID_sm3WithRSAEncryption,	/* 1.2.156.10197.1.504 */
+
 	OID__NR
 };