WiFiSSLSE050Client: Append client certificates to ca chain

Author: pennam

libraries/WiFi/src/WiFiSSLSE050Client.cpp

@@ -33,5 +33,9 @@ void arduino::WiFiSSLSE050Client::setEccSlot(int KeySlot, const byte cert[], int
   _client_cert = cert;
 }
 
+void arduino::WiFiSSLSE050Client::appendCustomCACert(const char ca_cert[]) {
+
+  _ca_cert = ca_cert;
+}
 
 #endif /* BOARD_HAS_SE050 */

libraries/WiFi/src/WiFiSSLSE050Client.h

@@ -46,9 +46,11 @@ class WiFiSSLSE050Client : public arduino::WiFiClient {
   }
 
   void setEccSlot(int KeySlot, const byte cert[], int certLen);
+  void appendCustomCACert(const char ca_cert[]);
 
 private:
   const byte* _client_cert;
+  const char* _ca_cert;
   int _client_cert_len;
   int _keySlot;
   sss_object_t _keyObject;
@@ -58,6 +60,10 @@ class WiFiSSLSE050Client : public arduino::WiFiClient {
       return 0;
     }
 
+    if( NSAPI_ERROR_OK != ((TLSSocket*)sock)->append_root_ca_cert(_ca_cert)) {
+      return 0;
+    }
+
     if(!SE05X.getObjectHandle(_keySlot, &_keyObject)) {
       return 0;
     }