/* * Copyright (c) 1996, 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.*;import java.security.SecureRandom;/* * RandomCookie ... SSL hands standard format random cookies (nonces) * around. These know how to encode/decode themselves on SSL streams, * and can be created and printed. * * @author David Brownell */final class RandomCookie { byte random_bytes[]; // exactly 32 bytes RandomCookie(SecureRandom generator) { long temp = System.currentTimeMillis() / 1000; int gmt_unix_time; if (temp < Integer.MAX_VALUE) { gmt_unix_time = (int) temp; } else { gmt_unix_time = Integer.MAX_VALUE; // Whoops! } random_bytes = new byte[32]; generator.nextBytes(random_bytes); random_bytes[0] = (byte)(gmt_unix_time >> 24); random_bytes[1] = (byte)(gmt_unix_time >> 16); random_bytes[2] = (byte)(gmt_unix_time >> 8); random_bytes[3] = (byte)gmt_unix_time; } RandomCookie(HandshakeInStream m) throws IOException { random_bytes = new byte[32]; m.read(random_bytes, 0, 32); } void send(HandshakeOutStream out) throws IOException { out.write(random_bytes, 0, 32); } void print(PrintStream s) { int i, gmt_unix_time; gmt_unix_time = random_bytes[0] << 24; gmt_unix_time += random_bytes[1] << 16; gmt_unix_time += random_bytes[2] << 8; gmt_unix_time += random_bytes[3]; s.print("GMT: " + gmt_unix_time + " "); s.print("bytes = { "); for (i = 4; i < 32; i++) { if (i != 4) { s.print(", "); } s.print(random_bytes[i] & 0x0ff); } s.println(" }"); }}
/*
* Copyright (c) 1996, 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.*;
import java.security.SecureRandom;
/*
* RandomCookie ... SSL hands standard format random cookies (nonces)
* around. These know how to encode/decode themselves on SSL streams,
* and can be created and printed.
*
* @author David Brownell
*/
final class RandomCookie {
byte random_bytes[]; // exactly 32 bytes
RandomCookie(SecureRandom generator) {
long temp = System.currentTimeMillis() / 1000;
int gmt_unix_time;
if (temp < Integer.MAX_VALUE) {
gmt_unix_time = (int) temp;
} else {
gmt_unix_time = Integer.MAX_VALUE; // Whoops!
}
random_bytes = new byte[32];
generator.nextBytes(random_bytes);
random_bytes[0] = (byte)(gmt_unix_time >> 24);
random_bytes[1] = (byte)(gmt_unix_time >> 16);
random_bytes[2] = (byte)(gmt_unix_time >> 8);
random_bytes[3] = (byte)gmt_unix_time;
}
RandomCookie(HandshakeInStream m) throws IOException {
random_bytes = new byte[32];
m.read(random_bytes, 0, 32);
}
void send(HandshakeOutStream out) throws IOException {
out.write(random_bytes, 0, 32);
}
void print(PrintStream s) {
int i, gmt_unix_time;
gmt_unix_time = random_bytes[0] << 24;
gmt_unix_time += random_bytes[1] << 16;
gmt_unix_time += random_bytes[2] << 8;
gmt_unix_time += random_bytes[3];
s.print("GMT: " + gmt_unix_time + " ");
s.print("bytes = { ");
for (i = 4; i < 32; i++) {
if (i != 4) {
s.print(", ");
}
s.print(random_bytes[i] & 0x0ff);
}
s.println(" }");
}
}