src/java.base/share/classes/sun/security/ssl/HandshakeMessage.java

*** 387,396 ****
--- 387,400 ----
          HelloExtension signatureAlgorithm =
                  new SignatureAlgorithmsExtension(algorithms);
          extensions.add(signatureAlgorithm);
      }
  
+     void addExtendedMasterSecretExtension() {
+         extensions.add(new ExtendedMasterSecretExtension());
+     }
+ 
      void addMFLExtension(int maximumPacketSize) {
          HelloExtension maxFragmentLength =
                  new MaxFragmentLengthExtension(maximumPacketSize);
          extensions.add(maxFragmentLength);
      }
*** 1439,1449 ****
              this.preferableSignatureAlgorithm = signAlgorithm;
              sig = JsseJce.getSignature(signAlgorithm.getAlgorithmName());
          } else {
              sig = getSignature(privateKey.getAlgorithm());
          }
!         sig.initSign(privateKey);  // where is the SecureRandom?
  
          updateSignature(sig, clntNonce, svrNonce);
          signatureBytes = sig.sign();
      }
  
--- 1443,1453 ----
              this.preferableSignatureAlgorithm = signAlgorithm;
              sig = JsseJce.getSignature(signAlgorithm.getAlgorithmName());
          } else {
              sig = getSignature(privateKey.getAlgorithm());
          }
!         sig.initSign(privateKey, sr);
  
          updateSignature(sig, clntNonce, svrNonce);
          signatureBytes = sig.sign();
      }