0N/A/*
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
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0N/A */
0N/A
0N/A/*
0N/A *
0N/A * (C) Copyright IBM Corp. 1999 All Rights Reserved.
0N/A * Copyright 1997 The Open Group Research Institute. All rights reserved.
0N/A */
0N/A
0N/Apackage sun.security.krb5.internal.crypto;
0N/A
0N/Aimport sun.security.krb5.*;
0N/Aimport sun.security.krb5.internal.*;
0N/Aimport java.util.zip.CRC32;
0N/A
0N/Apublic class Crc32CksumType extends CksumType {
0N/A
0N/A public Crc32CksumType() {
0N/A }
0N/A
0N/A public int confounderSize() {
0N/A return 0;
0N/A }
0N/A
0N/A public int cksumType() {
0N/A return Checksum.CKSUMTYPE_CRC32;
0N/A }
0N/A
0N/A public boolean isSafe() {
0N/A return false;
0N/A }
0N/A
0N/A public int cksumSize() {
0N/A return 4;
0N/A }
0N/A
0N/A public int keyType() {
0N/A return Krb5.KEYTYPE_NULL;
0N/A }
0N/A
0N/A public int keySize() {
0N/A return 0;
0N/A }
0N/A
0N/A public byte[] calculateChecksum(byte[] data, int size) {
0N/A return crc32.byte2crc32sum_bytes(data, size);
0N/A }
0N/A
0N/A public byte[] calculateKeyedChecksum(byte[] data, int size,
0N/A byte[] key, int usage) {
0N/A return null;
0N/A }
0N/A
0N/A public boolean verifyKeyedChecksum(byte[] data, int size,
0N/A byte[] key, byte[] checksum, int usage) {
0N/A return false;
0N/A }
0N/A
0N/A public static byte[] int2quad(long input) {
0N/A byte[] output = new byte[4];
0N/A for (int i = 0; i < 4; i++) {
0N/A output[i] = (byte)((input >>> (i * 8)) & 0xff);
0N/A }
0N/A return output;
0N/A }
0N/A
0N/A public static long bytes2long(byte[] input) {
0N/A long result = 0;
0N/A
0N/A result |= (((long)input[0]) & 0xffL) << 24;
0N/A result |= (((long)input[1]) & 0xffL) << 16;
0N/A result |= (((long)input[2]) & 0xffL) << 8;
0N/A result |= (((long)input[3]) & 0xffL);
0N/A return result;
0N/A }
0N/A}