0N/A/*
2362N/A * Copyright (c) 1996, 2007, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A
0N/Apackage sun.security.ssl;
0N/A
0N/Aimport java.io.*;
0N/Aimport java.security.SecureRandom;
0N/A
0N/A/*
0N/A * RandomCookie ... SSL hands standard format random cookies (nonces)
0N/A * around. These know how to encode/decode themselves on SSL streams,
0N/A * and can be created and printed.
0N/A *
0N/A * @author David Brownell
0N/A */
0N/Afinal class RandomCookie {
0N/A
0N/A byte random_bytes[]; // exactly 32 bytes
0N/A
0N/A RandomCookie(SecureRandom generator) {
0N/A long temp = System.currentTimeMillis() / 1000;
0N/A int gmt_unix_time;
0N/A if (temp < Integer.MAX_VALUE) {
0N/A gmt_unix_time = (int) temp;
0N/A } else {
0N/A gmt_unix_time = Integer.MAX_VALUE; // Whoops!
0N/A }
0N/A
0N/A random_bytes = new byte[32];
0N/A generator.nextBytes(random_bytes);
0N/A
0N/A random_bytes[0] = (byte)(gmt_unix_time >> 24);
0N/A random_bytes[1] = (byte)(gmt_unix_time >> 16);
0N/A random_bytes[2] = (byte)(gmt_unix_time >> 8);
0N/A random_bytes[3] = (byte)gmt_unix_time;
0N/A }
0N/A
0N/A RandomCookie(HandshakeInStream m) throws IOException {
0N/A random_bytes = new byte[32];
0N/A m.read(random_bytes, 0, 32);
0N/A }
0N/A
0N/A void send(HandshakeOutStream out) throws IOException {
0N/A out.write(random_bytes, 0, 32);
0N/A }
0N/A
0N/A void print(PrintStream s) {
0N/A int i, gmt_unix_time;
0N/A
0N/A gmt_unix_time = random_bytes[0] << 24;
0N/A gmt_unix_time += random_bytes[1] << 16;
0N/A gmt_unix_time += random_bytes[2] << 8;
0N/A gmt_unix_time += random_bytes[3];
0N/A
0N/A s.print("GMT: " + gmt_unix_time + " ");
0N/A s.print("bytes = { ");
0N/A
0N/A for (i = 4; i < 32; i++) {
0N/A if (i != 4) {
0N/A s.print(", ");
0N/A }
0N/A s.print(random_bytes[i] & 0x0ff);
0N/A }
0N/A s.println(" }");
0N/A }
0N/A}