| /* |
| * Copyright (c) 2006, 2007, 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 { |
| |
| 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(); |
| } |
| |
| int messageLength() { |
| return encodedPoint.length + 1; |
| } |
| |
| void send(HandshakeOutStream s) throws IOException { |
| s.putBytes8(encodedPoint); |
| } |
| |
| void print(PrintStream s) throws IOException { |
| s.println("*** ECDHClientKeyExchange"); |
| |
| if (debug != null && Debug.isOn("verbose")) { |
| Debug.println(s, "ECDH Public value", encodedPoint); |
| } |
| } |
| } |