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-rw-r--r--crypto/asymmetric_keys/x509_cert_parser.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index 52c9b455fc7d..1621ceaf5c95 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -459,6 +459,7 @@ int x509_extract_key_data(void *context, size_t hdrlen,
const void *value, size_t vlen)
{
struct x509_parse_context *ctx = context;
+ enum OID oid;
ctx->key_algo = ctx->last_oid;
switch (ctx->last_oid) {
@@ -470,7 +471,16 @@ int x509_extract_key_data(void *context, size_t hdrlen,
ctx->cert->pub->pkey_algo = "ecrdsa";
break;
case OID_id_ecPublicKey:
- ctx->cert->pub->pkey_algo = "sm2";
+ if (parse_OID(ctx->params, ctx->params_size, &oid) != 0)
+ return -EBADMSG;
+
+ switch (oid) {
+ case OID_sm2:
+ ctx->cert->pub->pkey_algo = "sm2";
+ break;
+ default:
+ return -ENOPKG;
+ }
break;
default:
return -ENOPKG;

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