* **[查询密钥是否存在(ArkTS)](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/huks-check-key-arkts)**
* **[查询密钥是否存在(C/C++)](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/huks-check-key-ndk)**