/* * Copyright (c) 1997, 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.math.BigInteger;/* * Message used by clients to send their Diffie-Hellman public * keys to servers. * * @author David Brownell */final class DHClientKeyExchange extends HandshakeMessage { int messageType() { return ht_client_key_exchange; } /* * This value may be empty if it was included in the * client's certificate ... */ private byte dh_Yc[]; // 1 to 2^16 -1 bytes BigInteger getClientPublicKey() { return new BigInteger(1, dh_Yc); } /* * Either pass the client's public key explicitly (because it's * using DHE or DH_anon), or implicitly (the public key was in the * certificate). */ DHClientKeyExchange(BigInteger publicKey) { dh_Yc = toByteArray(publicKey); } DHClientKeyExchange() { dh_Yc = null; } /* * Get the client's public key either explicitly or implicitly. * (It's ugly to have an empty record be sent in the latter case, * but that's what the protocol spec requires.) */ DHClientKeyExchange(HandshakeInStream input) throws IOException { dh_Yc = input.getBytes16(); } int messageLength() { if (dh_Yc == null) { return 0; } else { return dh_Yc.length + 2; } } void send(HandshakeOutStream s) throws IOException { s.putBytes16(dh_Yc); } void print(PrintStream s) throws IOException { s.println("*** ClientKeyExchange, DH"); if (debug != null && Debug.isOn("verbose")) { Debug.println(s, "DH Public key", dh_Yc); } }}
/*
* Copyright (c) 1997, 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.math.BigInteger;
/*
* Message used by clients to send their Diffie-Hellman public
* keys to servers.
*
* @author David Brownell
*/
final class DHClientKeyExchange extends HandshakeMessage {
int messageType() {
return ht_client_key_exchange;
}
/*
* This value may be empty if it was included in the
* client's certificate ...
*/
private byte dh_Yc[]; // 1 to 2^16 -1 bytes
BigInteger getClientPublicKey() {
return new BigInteger(1, dh_Yc);
}
/*
* Either pass the client's public key explicitly (because it's
* using DHE or DH_anon), or implicitly (the public key was in the
* certificate).
*/
DHClientKeyExchange(BigInteger publicKey) {
dh_Yc = toByteArray(publicKey);
}
DHClientKeyExchange() {
dh_Yc = null;
}
/*
* Get the client's public key either explicitly or implicitly.
* (It's ugly to have an empty record be sent in the latter case,
* but that's what the protocol spec requires.)
*/
DHClientKeyExchange(HandshakeInStream input) throws IOException {
dh_Yc = input.getBytes16();
}
int messageLength() {
if (dh_Yc == null) {
return 0;
} else {
return dh_Yc.length + 2;
}
}
void send(HandshakeOutStream s) throws IOException {
s.putBytes16(dh_Yc);
}
void print(PrintStream s) throws IOException {
s.println("*** ClientKeyExchange, DH");
if (debug != null && Debug.isOn("verbose")) {
Debug.println(s, "DH Public key", dh_Yc);
}
}
}