com.liferay.portlet.iframe.action.WebDes Maven / Gradle / Ivy
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/*
* @(#)WebDes.java
*
* Copyright(c)2001-2009 SANY Heavy Industry Co.,Ltd
* All right reserved.
*
* 这个软件是属于三一重工股份有限公司机密的和私有信息，不得泄露。
* 并且只能由三一重工股份有限公司内部员工在得到许可的情况下才允许使用。
* This software is the confidential and proprietary information
* of SANY Heavy Industry Co, Ltd. You shall not disclose such
* Confidential Information and shall use it only in accordance
* with the terms of the license agreement you entered into with
* SANY Heavy Industry Co, Ltd.
*/
package com.liferay.portlet.iframe.action;
import java.util.ArrayList;
import java.util.List;
/**
* WebDes.java
*
* comments.
*
* @author dailh2
* @company SANY Heavy Industry Co, Ltd
* @creation date Aug 27, 2009
* @version $Revision: 3 $
*/
public class WebDes {
public static void main(String[] args) {
WebDes ttt = new WebDes();
String key1 = "asddsfasdfasdfasdfasdfasf";
String key2 = null;
String key3 = null;
String data = "wo是他hao";
String str = ttt.strEnc(data, key1, key2, key3);
System.out.println(str);
String dec = ttt.strDec(str, key1, key2, key3);
System.out.println(dec);
}
/**
* DES加密/解密
*
* @Copyright Copyright (c) 2006
* @author Guapo
* @see DESCore
*/
/*
* encrypt the string to string made up of hex return the encrypted string
*/
public String strEnc(String data, String firstKey, String secondKey, String thirdKey) {
int leng = data.length();
String encData = "";
List firstKeyBt = null, secondKeyBt = null, thirdKeyBt = null;
int firstLength = 0, secondLength = 0, thirdLength = 0;
if (firstKey != null && firstKey != "") {
firstKeyBt = getKeyBytes(firstKey);
firstLength = firstKeyBt.size();
}
if (secondKey != null && secondKey != "") {
secondKeyBt = getKeyBytes(secondKey);
secondLength = secondKeyBt.size();
}
if (thirdKey != null && thirdKey != "") {
thirdKeyBt = getKeyBytes(thirdKey);
thirdLength = thirdKeyBt.size();
}
if (leng > 0) {
if (leng < 4) {
int[] bt = strToBt(data);
int[] encByte = null;
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") {
int[] tempBt;
int x, y, z;
tempBt = bt;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
for (y = 0; y < secondLength; y++) {
tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
}
for (z = 0; z < thirdLength; z++) {
tempBt = enc(tempBt, (int[]) thirdKeyBt.get(z));
}
encByte = tempBt;
} else {
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") {
int[] tempBt;
int x, y;
tempBt = bt;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
for (y = 0; y < secondLength; y++) {
tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
}
encByte = tempBt;
} else {
if (firstKey != null && firstKey != "") {
int[] tempBt;
int x = 0;
tempBt = bt;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
encByte = tempBt;
}
}
}
encData = bt64ToHex(encByte);
} else {
int iterator = (leng / 4);
int remainder = leng % 4;
int i = 0;
for (i = 0; i < iterator; i++) {
String tempData = data.substring(i * 4 + 0, i * 4 + 4);
int[] tempByte = strToBt(tempData);
int[] encByte = null;
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") {
int[] tempBt;
int x, y, z;
tempBt = tempByte;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
for (y = 0; y < secondLength; y++) {
tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
}
for (z = 0; z < thirdLength; z++) {
tempBt = enc(tempBt, (int[]) thirdKeyBt.get(z));
}
encByte = tempBt;
} else {
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") {
int[] tempBt;
int x, y;
tempBt = tempByte;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
for (y = 0; y < secondLength; y++) {
tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
}
encByte = tempBt;
} else {
if (firstKey != null && firstKey != "") {
int[] tempBt;
int x;
tempBt = tempByte;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
encByte = tempBt;
}
}
}
encData += bt64ToHex(encByte);
}
if (remainder > 0) {
String remainderData = data.substring(iterator * 4 + 0, leng);
int[] tempByte = strToBt(remainderData);
int[] encByte = null;
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") {
int[] tempBt;
int x, y, z;
tempBt = tempByte;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
for (y = 0; y < secondLength; y++) {
tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
}
for (z = 0; z < thirdLength; z++) {
tempBt = enc(tempBt, (int[]) thirdKeyBt.get(z));
}
encByte = tempBt;
} else {
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") {
int[] tempBt;
int x, y;
tempBt = tempByte;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
for (y = 0; y < secondLength; y++) {
tempBt = enc(tempBt, (int[]) secondKeyBt.get(y));
}
encByte = tempBt;
} else {
if (firstKey != null && firstKey != "") {
int[] tempBt;
int x;
tempBt = tempByte;
for (x = 0; x < firstLength; x++) {
tempBt = enc(tempBt, (int[]) firstKeyBt.get(x));
}
encByte = tempBt;
}
}
}
encData += bt64ToHex(encByte);
}
}
}
return encData;
}
/*
* decrypt the encrypted string to the original string
*
* return the original string
*/
public String strDec(String data, String firstKey, String secondKey, String thirdKey) {
int leng = data.length();
String decStr = "";
List firstKeyBt = null, secondKeyBt = null, thirdKeyBt = null;
int firstLength = 0, secondLength = 0, thirdLength = 0;
if (firstKey != null && firstKey != "") {
firstKeyBt = getKeyBytes(firstKey);
firstLength = firstKeyBt.size();
}
if (secondKey != null && secondKey != "") {
secondKeyBt = getKeyBytes(secondKey);
secondLength = secondKeyBt.size();
}
if (thirdKey != null && thirdKey != "") {
thirdKeyBt = getKeyBytes(thirdKey);
thirdLength = thirdKeyBt.size();
}
int iterator = leng / 16;
int i = 0;
for (i = 0; i < iterator; i++) {
String tempData = data.substring(i * 16 + 0, i * 16 + 16);
String strByte = hexToBt64(tempData);
int[] intByte = new int[64];
int j = 0;
for (j = 0; j < 64; j++) {
intByte[j] = Integer.parseInt(strByte.substring(j, j + 1));
}
int[] decByte = null;
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "" && thirdKey != null && thirdKey != "") {
int[] tempBt;
int x, y, z;
tempBt = intByte;
for (x = thirdLength - 1; x >= 0; x--) {
tempBt = dec(tempBt, (int[]) thirdKeyBt.get(x));
}
for (y = secondLength - 1; y >= 0; y--) {
tempBt = dec(tempBt, (int[]) secondKeyBt.get(y));
}
for (z = firstLength - 1; z >= 0; z--) {
tempBt = dec(tempBt, (int[]) firstKeyBt.get(z));
}
decByte = tempBt;
} else {
if (firstKey != null && firstKey != "" && secondKey != null && secondKey != "") {
int[] tempBt;
int x, y, z;
tempBt = intByte;
for (x = secondLength - 1; x >= 0; x--) {
tempBt = dec(tempBt, (int[]) secondKeyBt.get(x));
}
for (y = firstLength - 1; y >= 0; y--) {
tempBt = dec(tempBt, (int[]) firstKeyBt.get(y));
}
decByte = tempBt;
} else {
if (firstKey != null && firstKey != "") {
int[] tempBt;
int x, y, z;
tempBt = intByte;
for (x = firstLength - 1; x >= 0; x--) {
tempBt = dec(tempBt, (int[]) firstKeyBt.get(x));
}
decByte = tempBt;
}
}
}
decStr += byteToString(decByte);
}
return decStr;
}
/*
* chang the string into the bit array
*
* return bit array(it's length % 64 = 0)
*/
public List getKeyBytes(String key) {
List keyBytes = new ArrayList();
int leng = key.length();
int iterator = (leng / 4);
int remainder = leng % 4;
int i = 0;
for (i = 0; i < iterator; i++) {
keyBytes.add(i, strToBt(key.substring(i * 4 + 0, i * 4 + 4)));
}
if (remainder > 0) {
// keyBytes[i] = strToBt(key.substring(i*4+0,leng));
keyBytes.add(i, strToBt(key.substring(i * 4 + 0, leng)));
}
return keyBytes;
}
/*
* chang the string(it's length <= 4) into the bit array
*
* return bit array(it's length = 64)
*/
public int[] strToBt(String str) {
int leng = str.length();
int[] bt = new int[64];
if (leng < 4) {
int i = 0, j = 0, p = 0, q = 0;
for (i = 0; i < leng; i++) {
int k = str.charAt(i);
for (j = 0; j < 16; j++) {
int pow = 1, m = 0;
for (m = 15; m > j; m--) {
pow *= 2;
}
// bt.set(16*i+j,""+(k/pow)%2));
bt[16 * i + j] = (k / pow) % 2;
}
}
for (p = leng; p < 4; p++) {
int k = 0;
for (q = 0; q < 16; q++) {
int pow = 1, m = 0;
for (m = 15; m > q; m--) {
pow *= 2;
}
// bt[16*p+q]=parseInt(k/pow)%2;
// bt.add(16*p+q,""+((k/pow)%2));
bt[16 * p + q] = (k / pow) % 2;
}
}
} else {
for (int i = 0; i < 4; i++) {
int k = str.charAt(i);
for (int j = 0; j < 16; j++) {
int pow = 1;
for (int m = 15; m > j; m--) {
pow *= 2;
}
// bt[16*i+j]=parseInt(k/pow)%2;
// bt.add(16*i+j,""+((k/pow)%2));
bt[16 * i + j] = (k / pow) % 2;
}
}
}
return bt;
}
/*
* chang the bit(it's length = 4) into the hex
*
* return hex
*/
public String bt4ToHex(String binary) {
String hex = "";
if (binary.equalsIgnoreCase("0000")) {
hex = "0";
} else if (binary.equalsIgnoreCase("0001")) {
hex = "1";
} else if (binary.equalsIgnoreCase("0010")) {
hex = "2";
} else if (binary.equalsIgnoreCase("0011")) {
hex = "3";
} else if (binary.equalsIgnoreCase("0100")) {
hex = "4";
} else if (binary.equalsIgnoreCase("0101")) {
hex = "5";
} else if (binary.equalsIgnoreCase("0110")) {
hex = "6";
} else if (binary.equalsIgnoreCase("0111")) {
hex = "7";
} else if (binary.equalsIgnoreCase("1000")) {
hex = "8";
} else if (binary.equalsIgnoreCase("1001")) {
hex = "9";
} else if (binary.equalsIgnoreCase("1010")) {
hex = "A";
} else if (binary.equalsIgnoreCase("1011")) {
hex = "B";
} else if (binary.equalsIgnoreCase("1100")) {
hex = "C";
} else if (binary.equalsIgnoreCase("1101")) {
hex = "D";
} else if (binary.equalsIgnoreCase("1110")) {
hex = "E";
} else if (binary.equalsIgnoreCase("1111")) {
hex = "F";
}
return hex;
}
/*
* chang the hex into the bit(it's length = 4)
*
* return the bit(it's length = 4)
*/
public String hexToBt4(String hex) {
String binary = "";
if (hex.equalsIgnoreCase("0")) {
binary = "0000";
} else if (hex.equalsIgnoreCase("1")) {
binary = "0001";
}
if (hex.equalsIgnoreCase("2")) {
binary = "0010";
}
if (hex.equalsIgnoreCase("3")) {
binary = "0011";
}
if (hex.equalsIgnoreCase("4")) {
binary = "0100";
}
if (hex.equalsIgnoreCase("5")) {
binary = "0101";
}
if (hex.equalsIgnoreCase("6")) {
binary = "0110";
}
if (hex.equalsIgnoreCase("7")) {
binary = "0111";
}
if (hex.equalsIgnoreCase("8")) {
binary = "1000";
}
if (hex.equalsIgnoreCase("9")) {
binary = "1001";
}
if (hex.equalsIgnoreCase("A")) {
binary = "1010";
}
if (hex.equalsIgnoreCase("B")) {
binary = "1011";
}
if (hex.equalsIgnoreCase("C")) {
binary = "1100";
}
if (hex.equalsIgnoreCase("D")) {
binary = "1101";
}
if (hex.equalsIgnoreCase("E")) {
binary = "1110";
}
if (hex.equalsIgnoreCase("F")) {
binary = "1111";
}
return binary;
}
/*
* chang the bit(it's length = 64) into the string
*
* return string
*/
public String byteToString(int[] byteData) {
String str = "";
for (int i = 0; i < 4; i++) {
int count = 0;
for (int j = 0; j < 16; j++) {
int pow = 1;
for (int m = 15; m > j; m--) {
pow *= 2;
}
count += byteData[16 * i + j] * pow;
}
if (count != 0) {
str += "" + (char) (count);
}
}
return str;
}
public String bt64ToHex(int[] byteData) {
String hex = "";
for (int i = 0; i < 16; i++) {
String bt = "";
for (int j = 0; j < 4; j++) {
bt += byteData[i * 4 + j];
}
hex += bt4ToHex(bt);
}
return hex;
}
public String hexToBt64(String hex) {
String binary = "";
for (int i = 0; i < 16; i++) {
binary += hexToBt4(hex.substring(i, i + 1));
}
return binary;
}
/*
* the 64 bit des core arithmetic
*/
public int[] enc(int[] dataByte, int[] keyByte) {
int[][] keys = generateKeys(keyByte);
int[] ipByte = initPermute(dataByte);
int[] ipLeft = new int[32];
int[] ipRight = new int[32];
int[] tempLeft = new int[32];
int i = 0, j = 0, k = 0, m = 0, n = 0;
for (k = 0; k < 32; k++) {
ipLeft[k] = ipByte[k];
ipRight[k] = ipByte[32 + k];
}
for (i = 0; i < 16; i++) {
for (j = 0; j < 32; j++) {
tempLeft[j] = ipLeft[j];
ipLeft[j] = ipRight[j];
}
int[] key = new int[48];
for (m = 0; m < 48; m++) {
key[m] = keys[i][m];
}
int[] tempRight = xor(pPermute(sBoxPermute(xor(expandPermute(ipRight), key))), tempLeft);
for (n = 0; n < 32; n++) {
ipRight[n] = tempRight[n];
}
}
int[] finalData = new int[64];
for (i = 0; i < 32; i++) {
finalData[i] = ipRight[i];
finalData[32 + i] = ipLeft[i];
}
return finallyPermute(finalData);
}
public int[] dec(int[] dataByte, int[] keyByte) {
int[][] keys = generateKeys(keyByte);
int[] ipByte = initPermute(dataByte);
int[] ipLeft = new int[32];
int[] ipRight = new int[32];
int[] tempLeft = new int[32];
int i = 0, j = 0, k = 0, m = 0, n = 0;
for (k = 0; k < 32; k++) {
ipLeft[k] = ipByte[k];
ipRight[k] = ipByte[32 + k];
}
for (i = 15; i >= 0; i--) {
for (j = 0; j < 32; j++) {
tempLeft[j] = ipLeft[j];
ipLeft[j] = ipRight[j];
}
int[] key = new int[48];
for (m = 0; m < 48; m++) {
key[m] = keys[i][m];
}
int[] tempRight = xor(pPermute(sBoxPermute(xor(expandPermute(ipRight), key))), tempLeft);
for (n = 0; n < 32; n++) {
ipRight[n] = tempRight[n];
}
}
int[] finalData = new int[64];
for (i = 0; i < 32; i++) {
finalData[i] = ipRight[i];
finalData[32 + i] = ipLeft[i];
}
return finallyPermute(finalData);
}
public int[] initPermute(int[] originalData) {
int[] ipByte = new int[64];
int i = 0, m = 1, n = 0, j, k;
for (i = 0, m = 1, n = 0; i < 4; i++, m += 2, n += 2) {
for (j = 7, k = 0; j >= 0; j--, k++) {
ipByte[i * 8 + k] = originalData[j * 8 + m];
ipByte[i * 8 + k + 32] = originalData[j * 8 + n];
}
}
return ipByte;
}
public int[] expandPermute(int[] rightData) {
int[] epByte = new int[48];
int i, j;
for (i = 0; i < 8; i++) {
if (i == 0) {
epByte[i * 6 + 0] = rightData[31];
} else {
epByte[i * 6 + 0] = rightData[i * 4 - 1];
}
epByte[i * 6 + 1] = rightData[i * 4 + 0];
epByte[i * 6 + 2] = rightData[i * 4 + 1];
epByte[i * 6 + 3] = rightData[i * 4 + 2];
epByte[i * 6 + 4] = rightData[i * 4 + 3];
if (i == 7) {
epByte[i * 6 + 5] = rightData[0];
} else {
epByte[i * 6 + 5] = rightData[i * 4 + 4];
}
}
return epByte;
}
public int[] xor(int[] byteOne, int[] byteTwo) {
// var xorByte = new Array(byteOne.length);
// for(int i = 0;i < byteOne.length; i ++){
// xorByte[i] = byteOne[i] ^ byteTwo[i];
// }
// return xorByte;
int[] xorByte = new int[byteOne.length];
for (int i = 0; i < byteOne.length; i++) {
xorByte[i] = byteOne[i] ^ byteTwo[i];
}
return xorByte;
}
public int[] sBoxPermute(int[] expandByte) {
// var sBoxByte = new Array(32);
int[] sBoxByte = new int[32];
String binary = "";
int[][] s1 = { { 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7 }, { 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8 }, { 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0 },
{ 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 } };
/* Table - s2 */
int[][] s2 = { { 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10 }, { 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5 }, { 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15 },
{ 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 } };
/* Table - s3 */
int[][] s3 = { { 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8 }, { 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1 }, { 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7 },
{ 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 } };
/* Table - s4 */
int[][] s4 = { { 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15 }, { 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9 }, { 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4 },
{ 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 } };
/* Table - s5 */
int[][] s5 = { { 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9 }, { 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6 }, { 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14 },
{ 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 } };
/* Table - s6 */
int[][] s6 = { { 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11 }, { 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8 }, { 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6 },
{ 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 } };
/* Table - s7 */
int[][] s7 = { { 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1 }, { 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6 }, { 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2 },
{ 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 } };
/* Table - s8 */
int[][] s8 = { { 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7 }, { 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2 }, { 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8 },
{ 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 } };
for (int m = 0; m < 8; m++) {
int i = 0, j = 0;
i = expandByte[m * 6 + 0] * 2 + expandByte[m * 6 + 5];
j = expandByte[m * 6 + 1] * 2 * 2 * 2 + expandByte[m * 6 + 2] * 2 * 2 + expandByte[m * 6 + 3] * 2 + expandByte[m * 6 + 4];
switch (m) {
case 0:
binary = getBoxBinary(s1[i][j]);
break;
case 1:
binary = getBoxBinary(s2[i][j]);
break;
case 2:
binary = getBoxBinary(s3[i][j]);
break;
case 3:
binary = getBoxBinary(s4[i][j]);
break;
case 4:
binary = getBoxBinary(s5[i][j]);
break;
case 5:
binary = getBoxBinary(s6[i][j]);
break;
case 6:
binary = getBoxBinary(s7[i][j]);
break;
case 7:
binary = getBoxBinary(s8[i][j]);
break;
}
sBoxByte[m * 4 + 0] = Integer.parseInt(binary.substring(0, 1));
sBoxByte[m * 4 + 1] = Integer.parseInt(binary.substring(1, 2));
sBoxByte[m * 4 + 2] = Integer.parseInt(binary.substring(2, 3));
sBoxByte[m * 4 + 3] = Integer.parseInt(binary.substring(3, 4));
}
return sBoxByte;
}
public int[] pPermute(int[] sBoxByte) {
int[] pBoxPermute = new int[32];
pBoxPermute[0] = sBoxByte[15];
pBoxPermute[1] = sBoxByte[6];
pBoxPermute[2] = sBoxByte[19];
pBoxPermute[3] = sBoxByte[20];
pBoxPermute[4] = sBoxByte[28];
pBoxPermute[5] = sBoxByte[11];
pBoxPermute[6] = sBoxByte[27];
pBoxPermute[7] = sBoxByte[16];
pBoxPermute[8] = sBoxByte[0];
pBoxPermute[9] = sBoxByte[14];
pBoxPermute[10] = sBoxByte[22];
pBoxPermute[11] = sBoxByte[25];
pBoxPermute[12] = sBoxByte[4];
pBoxPermute[13] = sBoxByte[17];
pBoxPermute[14] = sBoxByte[30];
pBoxPermute[15] = sBoxByte[9];
pBoxPermute[16] = sBoxByte[1];
pBoxPermute[17] = sBoxByte[7];
pBoxPermute[18] = sBoxByte[23];
pBoxPermute[19] = sBoxByte[13];
pBoxPermute[20] = sBoxByte[31];
pBoxPermute[21] = sBoxByte[26];
pBoxPermute[22] = sBoxByte[2];
pBoxPermute[23] = sBoxByte[8];
pBoxPermute[24] = sBoxByte[18];
pBoxPermute[25] = sBoxByte[12];
pBoxPermute[26] = sBoxByte[29];
pBoxPermute[27] = sBoxByte[5];
pBoxPermute[28] = sBoxByte[21];
pBoxPermute[29] = sBoxByte[10];
pBoxPermute[30] = sBoxByte[3];
pBoxPermute[31] = sBoxByte[24];
return pBoxPermute;
}
public int[] finallyPermute(int[] endByte) {
int[] fpByte = new int[64];
fpByte[0] = endByte[39];
fpByte[1] = endByte[7];
fpByte[2] = endByte[47];
fpByte[3] = endByte[15];
fpByte[4] = endByte[55];
fpByte[5] = endByte[23];
fpByte[6] = endByte[63];
fpByte[7] = endByte[31];
fpByte[8] = endByte[38];
fpByte[9] = endByte[6];
fpByte[10] = endByte[46];
fpByte[11] = endByte[14];
fpByte[12] = endByte[54];
fpByte[13] = endByte[22];
fpByte[14] = endByte[62];
fpByte[15] = endByte[30];
fpByte[16] = endByte[37];
fpByte[17] = endByte[5];
fpByte[18] = endByte[45];
fpByte[19] = endByte[13];
fpByte[20] = endByte[53];
fpByte[21] = endByte[21];
fpByte[22] = endByte[61];
fpByte[23] = endByte[29];
fpByte[24] = endByte[36];
fpByte[25] = endByte[4];
fpByte[26] = endByte[44];
fpByte[27] = endByte[12];
fpByte[28] = endByte[52];
fpByte[29] = endByte[20];
fpByte[30] = endByte[60];
fpByte[31] = endByte[28];
fpByte[32] = endByte[35];
fpByte[33] = endByte[3];
fpByte[34] = endByte[43];
fpByte[35] = endByte[11];
fpByte[36] = endByte[51];
fpByte[37] = endByte[19];
fpByte[38] = endByte[59];
fpByte[39] = endByte[27];
fpByte[40] = endByte[34];
fpByte[41] = endByte[2];
fpByte[42] = endByte[42];
fpByte[43] = endByte[10];
fpByte[44] = endByte[50];
fpByte[45] = endByte[18];
fpByte[46] = endByte[58];
fpByte[47] = endByte[26];
fpByte[48] = endByte[33];
fpByte[49] = endByte[1];
fpByte[50] = endByte[41];
fpByte[51] = endByte[9];
fpByte[52] = endByte[49];
fpByte[53] = endByte[17];
fpByte[54] = endByte[57];
fpByte[55] = endByte[25];
fpByte[56] = endByte[32];
fpByte[57] = endByte[0];
fpByte[58] = endByte[40];
fpByte[59] = endByte[8];
fpByte[60] = endByte[48];
fpByte[61] = endByte[16];
fpByte[62] = endByte[56];
fpByte[63] = endByte[24];
return fpByte;
}
public String getBoxBinary(int i) {
String binary = "";
switch (i) {
case 0:
binary = "0000";
break;
case 1:
binary = "0001";
break;
case 2:
binary = "0010";
break;
case 3:
binary = "0011";
break;
case 4:
binary = "0100";
break;
case 5:
binary = "0101";
break;
case 6:
binary = "0110";
break;
case 7:
binary = "0111";
break;
case 8:
binary = "1000";
break;
case 9:
binary = "1001";
break;
case 10:
binary = "1010";
break;
case 11:
binary = "1011";
break;
case 12:
binary = "1100";
break;
case 13:
binary = "1101";
break;
case 14:
binary = "1110";
break;
case 15:
binary = "1111";
break;
}
return binary;
}
/*
* generate 16 keys for xor
*
*/
public int[][] generateKeys(int[] keyByte) {
int[] key = new int[56];
int[][] keys = new int[16][48];
// keys[ 0] = new Array();
// keys[ 1] = new Array();
// keys[ 2] = new Array();
// keys[ 3] = new Array();
// keys[ 4] = new Array();
// keys[ 5] = new Array();
// keys[ 6] = new Array();
// keys[ 7] = new Array();
// keys[ 8] = new Array();
// keys[ 9] = new Array();
// keys[10] = new Array();
// keys[11] = new Array();
// keys[12] = new Array();
// keys[13] = new Array();
// keys[14] = new Array();
// keys[15] = new Array();
int[] loop = new int[] { 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 };
for (int i = 0; i < 7; i++) {
for (int j = 0, k = 7; j < 8; j++, k--) {
key[i * 8 + j] = keyByte[8 * k + i];
}
}
int i = 0;
for (i = 0; i < 16; i++) {
int tempLeft = 0;
int tempRight = 0;
for (int j = 0; j < loop[i]; j++) {
tempLeft = key[0];
tempRight = key[28];
for (int k = 0; k < 27; k++) {
key[k] = key[k + 1];
key[28 + k] = key[29 + k];
}
key[27] = tempLeft;
key[55] = tempRight;
}
// var tempKey = new Array(48);
int[] tempKey = new int[48];
tempKey[0] = key[13];
tempKey[1] = key[16];
tempKey[2] = key[10];
tempKey[3] = key[23];
tempKey[4] = key[0];
tempKey[5] = key[4];
tempKey[6] = key[2];
tempKey[7] = key[27];
tempKey[8] = key[14];
tempKey[9] = key[5];
tempKey[10] = key[20];
tempKey[11] = key[9];
tempKey[12] = key[22];
tempKey[13] = key[18];
tempKey[14] = key[11];
tempKey[15] = key[3];
tempKey[16] = key[25];
tempKey[17] = key[7];
tempKey[18] = key[15];
tempKey[19] = key[6];
tempKey[20] = key[26];
tempKey[21] = key[19];
tempKey[22] = key[12];
tempKey[23] = key[1];
tempKey[24] = key[40];
tempKey[25] = key[51];
tempKey[26] = key[30];
tempKey[27] = key[36];
tempKey[28] = key[46];
tempKey[29] = key[54];
tempKey[30] = key[29];
tempKey[31] = key[39];
tempKey[32] = key[50];
tempKey[33] = key[44];
tempKey[34] = key[32];
tempKey[35] = key[47];
tempKey[36] = key[43];
tempKey[37] = key[48];
tempKey[38] = key[38];
tempKey[39] = key[55];
tempKey[40] = key[33];
tempKey[41] = key[52];
tempKey[42] = key[45];
tempKey[43] = key[41];
tempKey[44] = key[49];
tempKey[45] = key[35];
tempKey[46] = key[28];
tempKey[47] = key[31];
int m;
switch (i) {
case 0:
for (m = 0; m < 48; m++) {
keys[0][m] = tempKey[m];
}
break;
case 1:
for (m = 0; m < 48; m++) {
keys[1][m] = tempKey[m];
}
break;
case 2:
for (m = 0; m < 48; m++) {
keys[2][m] = tempKey[m];
}
break;
case 3:
for (m = 0; m < 48; m++) {
keys[3][m] = tempKey[m];
}
break;
case 4:
for (m = 0; m < 48; m++) {
keys[4][m] = tempKey[m];
}
break;
case 5:
for (m = 0; m < 48; m++) {
keys[5][m] = tempKey[m];
}
break;
case 6:
for (m = 0; m < 48; m++) {
keys[6][m] = tempKey[m];
}
break;
case 7:
for (m = 0; m < 48; m++) {
keys[7][m] = tempKey[m];
}
break;
case 8:
for (m = 0; m < 48; m++) {
keys[8][m] = tempKey[m];
}
break;
case 9:
for (m = 0; m < 48; m++) {
keys[9][m] = tempKey[m];
}
break;
case 10:
for (m = 0; m < 48; m++) {
keys[10][m] = tempKey[m];
}
break;
case 11:
for (m = 0; m < 48; m++) {
keys[11][m] = tempKey[m];
}
break;
case 12:
for (m = 0; m < 48; m++) {
keys[12][m] = tempKey[m];
}
break;
case 13:
for (m = 0; m < 48; m++) {
keys[13][m] = tempKey[m];
}
break;
case 14:
for (m = 0; m < 48; m++) {
keys[14][m] = tempKey[m];
}
break;
case 15:
for (m = 0; m < 48; m++) {
keys[15][m] = tempKey[m];
}
break;
}
}
return keys;
}
}