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+package com.elab.core.utils;
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+
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+/**
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+ * @author liuhx on 2017/1/2 15:04
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+ * @version V1.0
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+ * @email liuhx@elab-plus.com
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+ */
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+public class MD5Utils {
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+ static final int S11 = 7;
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+
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+ static final int S12 = 12;
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+
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+ static final int S13 = 17;
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+
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+ static final int S14 = 22;
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+
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+ static final int S21 = 5;
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+
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+ static final int S22 = 9;
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+
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+ static final int S23 = 14;
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+
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+ static final int S24 = 20;
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+
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+ static final int S31 = 4;
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+
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+ static final int S32 = 11;
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+
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+ static final int S33 = 16;
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+
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+ static final int S34 = 23;
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+
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+ static final int S41 = 6;
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+
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+ static final int S42 = 10;
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+
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+ static final int S43 = 15;
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+
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+ static final int S44 = 21;
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+
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+ static final byte PADDING[] = { -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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+ 0, 0, 0, 0, 0, 0, 0 };
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+
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+ public static long b2iu(byte b) {
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+ return (b >= 0 ? b : b & 0xff);
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+ }
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+
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+ public static String byteHEX(byte ib) {
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+ char Digit[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a',
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+ 'b', 'c', 'd', 'e', 'f' };
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+ char ob[] = new char[2];
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+ ob[0] = Digit[ib >>> 4 & 0xf];
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+ ob[1] = Digit[ib & 0xf];
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+ String s = new String(ob);
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+ return s;
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+ }
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+
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+ public static String encode(String s) {
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+ return new MD5Utils().getMD5ofStr(s);
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+ }
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+
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+
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+ public static void main(String args[]) {
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+ System.out.println(MD5Utils.encode("todaysteel2011"));
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+ // String password = MD5.encode("111111");
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+ // String md5hash = MD5.md5Hash(password);
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+ // String opensimpassword = MD5.encodeForOpensim("123456");
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+ // System.out.println(password);
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+ // System.out.println(md5hash);
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+ // System.out.println(opensimpassword);
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+ }
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+
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+ private long state[];
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+
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+ private long count[];
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+
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+ private byte buffer[];
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+
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+ public String digestHexStr;
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+
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+ private byte digest[];
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+
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+ public MD5Utils() {
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+ state = new long[4];
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+ count = new long[2];
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+ buffer = new byte[64];
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+ digest = new byte[16];
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+ md5Init();
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+ }
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+
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+ private void Decode(long output[], byte input[], int len) {
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+ int i = 0;
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+ for (int j = 0; j < len; j += 4) {
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+ output[i] = b2iu(input[j]) | b2iu(input[j + 1]) << 8
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+ | b2iu(input[j + 2]) << 16 | b2iu(input[j + 3]) << 24;
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+ i++;
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+ }
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+
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+ }
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+
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+ private void Encode(byte output[], long input[], int len) {
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+ int i = 0;
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+ for (int j = 0; j < len; j += 4) {
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+ output[j] = (byte) (int) (input[i] & 255L);
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+ output[j + 1] = (byte) (int) (input[i] >>> 8 & 255L);
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+ output[j + 2] = (byte) (int) (input[i] >>> 16 & 255L);
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+ output[j + 3] = (byte) (int) (input[i] >>> 24 & 255L);
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+ i++;
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+ }
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+
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+ }
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+
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+ private long F(long x, long y, long z) {
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+ return x & y | (x ^ 0L - 1L) & z;
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+ }
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+
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+ private long FF(long a, long b, long c, long d, long x, long s, long ac) {
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+ a += F(b, c, d) + x + ac;
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+ a = (int) a << (int) s | (int) a >>> (int) (32 - s);
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+ a += b;
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+ return a;
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+ }
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+
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+ private long G(long x, long y, long z) {
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+ return x & z | y & (z ^ 0L - 1L);
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+ }
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+
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+ public String getMD5ofStr(String inbuf) {
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+
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+ md5Init();
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+
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+ md5Update(inbuf.getBytes(), inbuf.length());
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+ md5Final();
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+ digestHexStr = "";
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+ for (int i = 0; i < 16; i++) {
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+ digestHexStr = String.valueOf(digestHexStr)
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+ + String.valueOf(byteHEX(digest[i]));
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+ }
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+
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+ return digestHexStr;
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+ }
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+
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+ private long GG(long a, long b, long c, long d, long x, long s, long ac) {
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+ a += G(b, c, d) + x + ac;
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+ a = (int) a << (int) s | (int) a >>> (int) (32 - s);
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+ a += b;
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+ return a;
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+ }
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+
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+ private long H(long x, long y, long z) {
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+ return x ^ y ^ z;
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+ }
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+
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+ private long HH(long a, long b, long c, long d, long x, long s, long ac) {
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+ a += H(b, c, d) + x + ac;
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+ a = (int) a << (int) s | (int) a >>> (int) (32 - s);
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+ a += b;
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+ return a;
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+ }
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+
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+ private long I(long x, long y, long z) {
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+ return y ^ (x | z ^ 0L - 1L);
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+ }
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+
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+ private long II(long a, long b, long c, long d, long x, long s, long ac) {
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+ a += I(b, c, d) + x + ac;
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+ a = (int) a << (int) s | (int) a >>> (int) (32 - s);
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+ a += b;
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+ return a;
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+ }
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+
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+ private void md5Final() {
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+ byte bits[] = new byte[8];
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+ Encode(bits, count, 8);
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+ int index = (int) (count[0] >>> 3) & 0x3f;
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+ int padLen = index >= 56 ? 120 - index : 56 - index;
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+ md5Update(PADDING, padLen);
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+ md5Update(bits, 8);
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+ Encode(digest, state, 16);
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+ }
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+
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+ private void md5Init() {
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+ count[0] = 0L;
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+ count[1] = 0L;
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+ state[0] = 0x67452301L;
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+ state[1] = 0xefcdab89L;
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+ state[2] = 0x98badcfeL;
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+ state[3] = 0x10325476L;
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+ }
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+
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+ private void md5Memcpy(byte output[], byte input[], int outpos, int inpos,
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+ int len) {
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+ for (int i = 0; i < len; i++) {
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+ output[outpos + i] = input[inpos + i];
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+ }
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+
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+ }
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+
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+ private void md5Transform(byte block[]) {
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+ long a = state[0];
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+ long b = state[1];
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+ long c = state[2];
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+ long d = state[3];
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+ long x[] = new long[16];
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+ Decode(x, block, 64);
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+ a = FF(a, b, c, d, x[0], 7L, 0xd76aa478L);
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+ d = FF(d, a, b, c, x[1], 12L, 0xe8c7b756L);
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+ c = FF(c, d, a, b, x[2], 17L, 0x242070dbL);
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+ b = FF(b, c, d, a, x[3], 22L, 0xc1bdceeeL);
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+ a = FF(a, b, c, d, x[4], 7L, 0xf57c0fafL);
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+ d = FF(d, a, b, c, x[5], 12L, 0x4787c62aL);
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+ c = FF(c, d, a, b, x[6], 17L, 0xa8304613L);
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+ b = FF(b, c, d, a, x[7], 22L, 0xfd469501L);
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+ a = FF(a, b, c, d, x[8], 7L, 0x698098d8L);
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+ d = FF(d, a, b, c, x[9], 12L, 0x8b44f7afL);
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+ c = FF(c, d, a, b, x[10], 17L, 0xffff5bb1L);
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+ b = FF(b, c, d, a, x[11], 22L, 0x895cd7beL);
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+ a = FF(a, b, c, d, x[12], 7L, 0x6b901122L);
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+ d = FF(d, a, b, c, x[13], 12L, 0xfd987193L);
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+ c = FF(c, d, a, b, x[14], 17L, 0xa679438eL);
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+ b = FF(b, c, d, a, x[15], 22L, 0x49b40821L);
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+ a = GG(a, b, c, d, x[1], 5L, 0xf61e2562L);
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+ d = GG(d, a, b, c, x[6], 9L, 0xc040b340L);
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+ c = GG(c, d, a, b, x[11], 14L, 0x265e5a51L);
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+ b = GG(b, c, d, a, x[0], 20L, 0xe9b6c7aaL);
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+ a = GG(a, b, c, d, x[5], 5L, 0xd62f105dL);
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+ d = GG(d, a, b, c, x[10], 9L, 0x2441453L);
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+ c = GG(c, d, a, b, x[15], 14L, 0xd8a1e681L);
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+ b = GG(b, c, d, a, x[4], 20L, 0xe7d3fbc8L);
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+ a = GG(a, b, c, d, x[9], 5L, 0x21e1cde6L);
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+ d = GG(d, a, b, c, x[14], 9L, 0xc33707d6L);
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+ c = GG(c, d, a, b, x[3], 14L, 0xf4d50d87L);
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+ b = GG(b, c, d, a, x[8], 20L, 0x455a14edL);
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+ a = GG(a, b, c, d, x[13], 5L, 0xa9e3e905L);
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+ d = GG(d, a, b, c, x[2], 9L, 0xfcefa3f8L);
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+ c = GG(c, d, a, b, x[7], 14L, 0x676f02d9L);
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+ b = GG(b, c, d, a, x[12], 20L, 0x8d2a4c8aL);
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+ a = HH(a, b, c, d, x[5], 4L, 0xfffa3942L);
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+ d = HH(d, a, b, c, x[8], 11L, 0x8771f681L);
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+ c = HH(c, d, a, b, x[11], 16L, 0x6d9d6122L);
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+ b = HH(b, c, d, a, x[14], 23L, 0xfde5380cL);
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+ a = HH(a, b, c, d, x[1], 4L, 0xa4beea44L);
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+ d = HH(d, a, b, c, x[4], 11L, 0x4bdecfa9L);
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+ c = HH(c, d, a, b, x[7], 16L, 0xf6bb4b60L);
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+ b = HH(b, c, d, a, x[10], 23L, 0xbebfbc70L);
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+ a = HH(a, b, c, d, x[13], 4L, 0x289b7ec6L);
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+ d = HH(d, a, b, c, x[0], 11L, 0xeaa127faL);
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+ c = HH(c, d, a, b, x[3], 16L, 0xd4ef3085L);
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+ b = HH(b, c, d, a, x[6], 23L, 0x4881d05L);
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+ a = HH(a, b, c, d, x[9], 4L, 0xd9d4d039L);
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+ d = HH(d, a, b, c, x[12], 11L, 0xe6db99e5L);
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+ c = HH(c, d, a, b, x[15], 16L, 0x1fa27cf8L);
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+ b = HH(b, c, d, a, x[2], 23L, 0xc4ac5665L);
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+ a = II(a, b, c, d, x[0], 6L, 0xf4292244L);
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+ d = II(d, a, b, c, x[7], 10L, 0x432aff97L);
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+ c = II(c, d, a, b, x[14], 15L, 0xab9423a7L);
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+ b = II(b, c, d, a, x[5], 21L, 0xfc93a039L);
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+ a = II(a, b, c, d, x[12], 6L, 0x655b59c3L);
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+ d = II(d, a, b, c, x[3], 10L, 0x8f0ccc92L);
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+ c = II(c, d, a, b, x[10], 15L, 0xffeff47dL);
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+ b = II(b, c, d, a, x[1], 21L, 0x85845dd1L);
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+ a = II(a, b, c, d, x[8], 6L, 0x6fa87e4fL);
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+ d = II(d, a, b, c, x[15], 10L, 0xfe2ce6e0L);
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+ c = II(c, d, a, b, x[6], 15L, 0xa3014314L);
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+ b = II(b, c, d, a, x[13], 21L, 0x4e0811a1L);
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+ a = II(a, b, c, d, x[4], 6L, 0xf7537e82L);
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+ d = II(d, a, b, c, x[11], 10L, 0xbd3af235L);
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+ c = II(c, d, a, b, x[2], 15L, 0x2ad7d2bbL);
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+ b = II(b, c, d, a, x[9], 21L, 0xeb86d391L);
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+ state[0] += a;
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+ state[1] += b;
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+ state[2] += c;
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+ state[3] += d;
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+ }
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+
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+ private void md5Update(byte inbuf[], int inputLen) {
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+ byte block[] = new byte[64];
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+ int index = (int) (count[0] >>> 3) & 0x3f;
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+ if ((count[0] += inputLen << 3) < (inputLen << 3)) {
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+ count[1]++;
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+ }
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+ count[1] += inputLen >>> 29;
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+ int partLen = 64 - index;
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+ int i;
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+ if (inputLen >= partLen) {
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+ md5Memcpy(buffer, inbuf, index, 0, partLen);
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+ md5Transform(buffer);
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+ for (i = partLen; i + 63 < inputLen; i += 64) {
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+ md5Memcpy(block, inbuf, 0, i, 64);
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+ md5Transform(block);
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+ }
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+
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+ index = 0;
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+ } else {
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+ i = 0;
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+ }
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+ md5Memcpy(buffer, inbuf, index, i, inputLen - i);
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+ }
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+
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+}
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