diff --git a/arduino/libraries/WiFi/src/WiFiSSLClient.cpp b/arduino/libraries/WiFi/src/WiFiSSLClient.cpp
index 6d65633..1e2f0a0 100644
--- a/arduino/libraries/WiFi/src/WiFiSSLClient.cpp
+++ b/arduino/libraries/WiFi/src/WiFiSSLClient.cpp
@@ -264,6 +264,17 @@ int WiFiSSLClient::peek()
   return _peek;
 }
 
+void WiFiSSLClient::setCertificate(const char *client_ca)
+{
+  _cert = client_ca;
+}
+
+void WiFiSSLClient:: setPrivateKey(const char *private_key)
+{
+  _private_key = private_key;
+}
+
+
 void WiFiSSLClient::flush()
 {
 }
diff --git a/arduino/libraries/WiFi/src/WiFiSSLClient.h b/arduino/libraries/WiFi/src/WiFiSSLClient.h
index 965245b..ce8ed57 100644
--- a/arduino/libraries/WiFi/src/WiFiSSLClient.h
+++ b/arduino/libraries/WiFi/src/WiFiSSLClient.h
@@ -22,13 +22,14 @@
 
 #include <mbedtls/net.h>
 #include <mbedtls/ssl.h>
+#include <mbedtls/platform.h>
 #include <mbedtls/entropy.h>
 #include <mbedtls/ctr_drbg.h>
 #include <mbedtls/error.h>
+#include <mbedtls/debug.h>
 
 #include <Arduino.h>
-// #include <Client.h>
-// #include <IPAddress.h>
+
 
 class WiFiSSLClient /*: public Client*/ {
 
@@ -49,6 +50,8 @@ public:
   virtual void stop();
   virtual uint8_t connected();
   virtual operator bool();
+  virtual void setCertificate(const char *client_ca);
+  virtual void setPrivateKey (const char *private_key);
 
   // using Print::write;
 
@@ -57,6 +60,8 @@ public:
 
 private:
   static const char* ROOT_CAs;
+  const char *_cert; // user-provided certificate
+  const char *_private_key; // user-provided private
 
   mbedtls_entropy_context _entropyContext;
   mbedtls_ctr_drbg_context _ctrDrbgContext;
@@ -64,6 +69,8 @@ private:
   mbedtls_ssl_config _sslConfig;
   mbedtls_net_context _netContext;
   mbedtls_x509_crt _caCrt;
+  mbedtls_x509_crt _clientCrt;
+  mbedtls_pk_context _clientKey;
   bool _connected;
   int _peek;