--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/security/ssl/ECDHClientKeyExchange.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2006, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.ssl;
+
+import java.io.IOException;
+import java.io.PrintStream;
+
+import java.security.PublicKey;
+import java.security.interfaces.ECPublicKey;
+import java.security.spec.*;
+
+/**
+ * ClientKeyExchange message for all ECDH based key exchange methods. It
+ * contains the client's ephemeral public value.
+ *
+ * @since   1.6
+ * @author  Andreas Sterbenz
+ */
+final class ECDHClientKeyExchange extends HandshakeMessage {
+
+    @Override
+    int messageType() {
+        return ht_client_key_exchange;
+    }
+
+    private byte[] encodedPoint;
+
+    byte[] getEncodedPoint() {
+        return encodedPoint;
+    }
+
+    // Called by the client with its ephemeral public key.
+    ECDHClientKeyExchange(PublicKey publicKey) {
+        ECPublicKey ecKey = (ECPublicKey)publicKey;
+        ECPoint point = ecKey.getW();
+        ECParameterSpec params = ecKey.getParams();
+        encodedPoint = JsseJce.encodePoint(point, params.getCurve());
+    }
+
+    ECDHClientKeyExchange(HandshakeInStream input) throws IOException {
+        encodedPoint = input.getBytes8();
+    }
+
+    @Override
+    int messageLength() {
+        return encodedPoint.length + 1;
+    }
+
+    @Override
+    void send(HandshakeOutStream s) throws IOException {
+        s.putBytes8(encodedPoint);
+    }
+
+    @Override
+    void print(PrintStream s) throws IOException {
+        s.println("*** ECDHClientKeyExchange");
+
+        if (debug != null && Debug.isOn("verbose")) {
+            Debug.println(s, "ECDH Public value", encodedPoint);
+        }
+    }
+}