diff --git a/security/huks/include/native_huks_api.h b/security/huks/include/native_huks_api.h
index f052661e21981d10971e1a98d4f05457a67f1d3f..761019b31750a979578c9b6a906cb942fffc74e7 100644
--- a/security/huks/include/native_huks_api.h
+++ b/security/huks/include/native_huks_api.h
@@ -50,6 +50,7 @@ extern "C" {
  * @param sdkVersion Indicates the pointer to the SDK version (in string format) obtained.
  *    return Returns {@link OH_Huks_ErrCode#OH_HUKS_SUCCESS} if the operation is successful;
  *    returns an error code otherwise.
+ * @deprecated since 11
  * @since 9
  * @version 1.0
  */
diff --git a/security/huks/include/native_huks_type.h b/security/huks/include/native_huks_type.h
index 6dcaa7a8c43cad1cfbb88ee8bbc2110af1d1fd37..3a35c2679c8be23770ce7a5e4eb2befb3a4ff35e 100644
--- a/security/huks/include/native_huks_type.h
+++ b/security/huks/include/native_huks_type.h
@@ -191,7 +191,9 @@ enum OH_Huks_KeySize {
     OH_HUKS_AES_KEY_SIZE_192 = 192,
     /** AES key of 256 bits. */
     OH_HUKS_AES_KEY_SIZE_256 = 256,
-    /** AES key of 512 bits. */
+    /** AES key of 512 bits.
+     * @deprecated since 11
+     **/
     OH_HUKS_AES_KEY_SIZE_512 = 512,
 
     /** Curve25519 key of 256 bits. */