add nativeapis

Signed-off-by: Nzengyawen <zengyawen1@huawei.com>

en/application-dev/reference/native-apis/_o_h___huks___cert_chain.md

+# OH_Huks_CertChain
+
+
+## Overview
+
+Defines the structure of the certificate chain.
+
+**Since:**
+9
+
+**Related Modules:**
+
+[HuksTypeApi](_huks_type_api.md)
+
+
+## Summary
+
+
+### Member Variables
+
+| Name | Description | 
+| -------- | -------- |
+| [certs](#certs) | Pointer to the certificate data.  | 
+| [certsCount](#certscount) | Number of certificates.  | 
+
+
+## Member Variable Description 
+
+
+### certs
+
+  
+```
+struct OH_Huks_Blob* OH_Huks_CertChain::certs
+```
+**Description**<br>
+Pointer to the certificate data.
+
+
+### certsCount
+
+  
+```
+uint32_t OH_Huks_CertChain::certsCount
+```
+**Description**<br>
+Number of certificates.