java版 银联ANSI-X9.9-MAC算法

/* * @(#)MacUtil.java 1.0 2013-3-28 * * Copyright (c) 2009 Sunyard System Engineering Co., Ltd. * All rights reserved. * * This software is the confidential and proprietary information of * Sunyard System Engineering Co., Ltd. ("Confidential Information"). * 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 Sunyard. */ /* Modification History: * Date Author Version Description * ------------------------------------------------------------------ * */ package com.sunyard.etp.ag.util; import java.io.UnsupportedEncodingException; import java.util.Random; /** * * * @version 1.0 2013-3-28 * @author openzhang */ public class MacUtil { private static final 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} }; private static final 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} }; private static final 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} }; private static final 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} }; private static final 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} }; private static final 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} }; private static final 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} }; private static final 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} }; private static final int[] ip = {58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8, 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7}; private static final int[] _ip = {40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 47, 15, 55, 23, 63, 31, 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25}; private static final int[] LS = {1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1}; private static int[][] subKey = new int[16][48]; private static int HEX = 0; private static int ASC = 1; /** * 将16进制字符转换成对应的int类型值:如字符'A'被转换后为10;'B'将被转换为11 * @param ch 需要被转换的目标字符 * @return 转换后的int类型值 * @throws Exception 如果传入字符为非16进制字符，将会报'getIntByChar was wrong'自定义异常 */ public static int getIntByChar(char ch) throws Exception { char t = Character.toUpperCase(ch); int i = 0; switch(t){ case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': i = Integer.parseInt(Character.toString(t)); break; case 'A': i = 10; break; case 'B': i = 11; break; case 'C': i = 12; break; case 'D': i = 13; break; case 'E': i = 14; break; case 'F': i = 15; break; default: throw new Exception("getIntByChar was wrong"); } return i; } /** * 将16进制表示的字符串转换为0,1组成的int数组 * 列如："ABC" 被转换后的结果为{1,0,1,0,1,0,1,1,1,1,0,0} * @param source 十六进制字符串 * @return 0,1组成的int数组 */ public static int[] string2Binary(String source) { int len = source.length(); int[] dest = new int[len*4]; char[] arr = source.toCharArray(); for(int i=0; i<len; i++) { int t = 0; try { t = getIntByChar(arr[i]); } catch (Exception e) { e.printStackTrace(); } String[] str = Integer.toBinaryString(t).split(""); int k = i*4 + 3; for(int j=str.length-1; j>0; j--) { dest[k] = Integer.parseInt(str[j]); k--; } } return dest; } /** * 完成对底数X的Y次方操作,如输入值分别为：2和4 返回值为16 * @param x 执行幂操作的底数 * @param y 执行幂操作的指数 * @return 幂操作的结果 */ public static int getXY(int x,int y) { int temp = x; if(y == 0) x = 1; for(int i=2; i<=y; i++) { x *= temp; } return x; } /** * 将由0,1组成的长度为4的字符串转化为对应的16进制字符串表示，例如输入字符串"1111",输出值为"F" * 注意此方法输入的字符串长度最大为4，一次只能转换成为一个16进制字符 * @param s 0,1组成的字符串 * @return 转换后的16进制字符 */ public static String binary2Hex(String s) { int len = s.length(); int result = 0; int k = 0; if(len > 4) return null; for(int i=len; i>0; i--) { result += Integer.parseInt(s.substring(i-1, i))*getXY(2,k); k++; } switch(result){ case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8: case 9: return ""+result; case 10: return "A"; case 11: return "B"; case 12: return "C"; case 13: return "D"; case 14: return "E"; case 15: return "F"; default : return null; } } /** * 将一个小于16的数转换为一个对应的十六进制字符 * @param i 小于16的整数 * @return 十六进制字符 */ public static String int2Hex(int i) { switch(i){ case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8: case 9: return ""+i; case 10: return "A"; case 11: return "B"; case 12: return "C"; case 13: return "D"; case 14: return "E"; case 15: return "F"; default : return null; } } /** * 将0,1组成的字符串转换为对应的十六进制字符串，例如输入字符串"111100001111"输出为"FOF" * 此方法输入的字符串长度不限 * @param s 0,1组成的字符串 * @return 十六进制字符串 */ public static String binary2ASC(String s) { String str = ""; int ii = 0; int len = s.length(); if(len%4 != 0) { while(ii<4-len%4) { s = "0" + s; } } for(int i=0; i<len/4; i++) { str += binary2Hex(s.substring(i*4, i*4+4)); } return str; } public static int[] changeIP(int[] source) { int[] dest = new int[64]; for(int i=0; i<64; i++) { dest[i] = source[ip[i]-1]; } return dest; } public static int[] changeInverseIP(int[] source) { int[] dest = new int[64]; for(int i=0; i<64; i++) { de