diff --git a/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp b/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp
index 6f9fbd7a9e..8e46dca763 100644
--- a/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp
+++ b/libraries/ESP8266WiFi/src/WiFiClientSecure.cpp
@@ -571,6 +571,14 @@ bool WiFiClientSecure::loadCACert(Stream& stream, size_t size)
     return _ssl->loadObject(SSL_OBJ_X509_CACERT, stream, size);
 }
 
+bool WiFiClientSecure::loadCACert(const uint8_t* pk, size_t size)
+{
+    if (!_ssl) {
+        return false;
+    }
+    return _ssl->loadObject(SSL_OBJ_X509_CACERT, pk, size);
+}
+
 bool WiFiClientSecure::loadCertificate(Stream& stream, size_t size)
 {
     if (!_ssl) {
@@ -579,6 +587,14 @@ bool WiFiClientSecure::loadCertificate(Stream& stream, size_t size)
     return _ssl->loadObject(SSL_OBJ_X509_CERT, stream, size);
 }
 
+bool WiFiClientSecure::loadCertificate(const uint8_t* pk, size_t size)
+{
+    if (!_ssl) {
+        return false;
+    }
+    return _ssl->loadObject(SSL_OBJ_X509_CERT, pk, size);
+}
+
 bool WiFiClientSecure::loadPrivateKey(Stream& stream, size_t size)
 {
     if (!_ssl) {
@@ -587,6 +603,14 @@ bool WiFiClientSecure::loadPrivateKey(Stream& stream, size_t size)
     return _ssl->loadObject(SSL_OBJ_RSA_KEY, stream, size);
 }
 
+bool WiFiClientSecure::loadPrivateKey(const uint8_t* pk, size_t size)
+{
+    if (!_ssl) {
+        return false;
+    }
+    return _ssl->loadObject(SSL_OBJ_RSA_KEY, pk, size);
+}
+
 extern "C" int __ax_port_read(int fd, uint8_t* buffer, size_t count)
 {
     ClientContext* _client = SSLContext::getIOContext(fd);
diff --git a/libraries/ESP8266WiFi/src/WiFiClientSecure.h b/libraries/ESP8266WiFi/src/WiFiClientSecure.h
index 17fcf54293..05683591f1 100644
--- a/libraries/ESP8266WiFi/src/WiFiClientSecure.h
+++ b/libraries/ESP8266WiFi/src/WiFiClientSecure.h
@@ -54,8 +54,11 @@ class WiFiClientSecure : public WiFiClient {
   void setPrivateKey(const uint8_t* pk, size_t size);
 
   bool loadCertificate(Stream& stream, size_t size);
+  bool loadCertificate(const uint8_t* pk, size_t size);
   bool loadPrivateKey(Stream& stream, size_t size);
+  bool loadPrivateKey(const uint8_t* pk, size_t size);
   bool loadCACert(Stream& stream, size_t size);
+  bool loadCACert(const uint8_t* pk, size_t size);
 
   template<typename TFile>
   bool loadCertificate(TFile& file) {