ssm后台管理系统框架(Spring mvc + mybatis + mysql + easyui )

package com.crm.util.common; /** * MD5 32位加密用户密码 */ public class MD5 { public MD5(Object ob) { this(); Update(ob.toString()); } public MD5() { Init(); } private int[] Decode(byte buffer[], int len, int shift) { int out[] = new int[16]; int j; int i = j = 0; for (; j < len; j += 4) { out[i] = buffer[j + shift] & 0xff | (buffer[j + 1 + shift] & 0xff) << 8 | (buffer[j + 2 + shift] & 0xff) << 16 | (buffer[j + 3 + shift] & 0xff) << 24; i++; } return out; } private byte[] Encode(int input[], int len) { byte out[] = new byte[len]; int j; int i = j = 0; for (; j < len; j += 4) { out[j] = (byte) (input[i] & 0xff); out[j + 1] = (byte) (input[i] >>> 8 & 0xff); out[j + 2] = (byte) (input[i] >>> 16 & 0xff); out[j + 3] = (byte) (input[i] >>> 24 & 0xff); i++; } return out; } private int FF(int a, int b, int c, int d, int x, int s, int ac) { a = uadd(a, b & c | ~b & d, x, ac); return uadd(rotate_left(a, s), b); } public synchronized byte[] Final() { if (finals == null) { MD5State fin = new MD5State(state); byte bits[] = Encode(fin.count, 8); int index = fin.count[0] >>> 3 & 0x3f; int padlen = index >= 56 ? 120 - index : 56 - index; Update(fin, padding, 0, padlen); Update(fin, bits, 0, 8); finals = fin; } return Encode(finals.state, 16); } private int GG(int a, int b, int c, int d, int x, int s, int ac) { a = uadd(a, b & d | c & ~d, x, ac); return uadd(rotate_left(a, s), b); } private int HH(int a, int b, int c, int d, int x, int s, int ac) { a = uadd(a, b ^ c ^ d, x, ac); return uadd(rotate_left(a, s), b); } private int II(int a, int b, int c, int d, int x, int s, int ac) { a = uadd(a, c ^ (b | ~d), x, ac); return uadd(rotate_left(a, s), b); } public synchronized void Init() { state = new MD5State(); finals = null; } private void Transform(MD5State state, byte buffer[], int shift) { int a = state.state[0]; int b = state.state[1]; int c = state.state[2]; int d = state.state[3]; int x[] = Decode(buffer, 64, shift); a = FF(a, b, c, d, x[0], 7, 0xd76aa478); d = FF(d, a, b, c, x[1], 12, 0xe8c7b756); c = FF(c, d, a, b, x[2], 17, 0x242070db); b = FF(b, c, d, a, x[3], 22, 0xc1bdceee); a = FF(a, b, c, d, x[4], 7, 0xf57c0faf); d = FF(d, a, b, c, x[5], 12, 0x4787c62a); c = FF(c, d, a, b, x[6], 17, 0xa8304613); b = FF(b, c, d, a, x[7], 22, 0xfd469501); a = FF(a, b, c, d, x[8], 7, 0x698098d8); d = FF(d, a, b, c, x[9], 12, 0x8b44f7af); c = FF(c, d, a, b, x[10], 17, -42063); b = FF(b, c, d, a, x[11], 22, 0x895cd7be); a = FF(a, b, c, d, x[12], 7, 0x6b901122); d = FF(d, a, b, c, x[13], 12, 0xfd987193); c = FF(c, d, a, b, x[14], 17, 0xa679438e); b = FF(b, c, d, a, x[15], 22, 0x49b40821); a = GG(a, b, c, d, x[1], 5, 0xf61e2562); d = GG(d, a, b, c, x[6], 9, 0xc040b340); c = GG(c, d, a, b, x[11], 14, 0x265e5a51); b = GG(b, c, d, a, x[0], 20, 0xe9b6c7aa); a = GG(a, b, c, d, x[5], 5, 0xd62f105d); d = GG(d, a, b, c, x[10], 9, 0x2441453); c = GG(c, d, a, b, x[15], 14, 0xd8a1e681); b = GG(b, c, d, a, x[4], 20, 0xe7d3fbc8); a = GG(a, b, c, d, x[9], 5, 0x21e1cde6); d = GG(d, a, b, c, x[14], 9, 0xc33707d6); c = GG(c, d, a, b, x[3], 14, 0xf4d50d87); b = GG(b, c, d, a, x[8], 20, 0x455a14ed); a = GG(a, b, c, d, x[13], 5, 0xa9e3e905); d = GG(d, a, b, c, x[2], 9, 0xfcefa3f8); c = GG(c, d, a, b, x[7], 14, 0x676f02d9); b = GG(b, c, d, a, x[12], 20, 0x8d2a4c8a); a = HH(a, b, c, d, x[5], 4, 0xfffa3942); d = HH(d, a, b, c, x[8], 11, 0x8771f681); c = HH(c, d, a, b, x[11], 16, 0x6d9d6122); b = HH(b, c, d, a, x[14], 23, 0xfde5380c); a = HH(a, b, c, d, x[1], 4, 0xa4beea44); d = HH(d, a, b, c, x[4], 11, 0x4bdecfa9); c = HH(c, d, a, b, x[7], 16, 0xf6bb4b60); b = HH(b, c, d, a, x[10], 23, 0xbebfbc70); a = HH(a, b, c, d, x[13], 4, 0x289b7ec6); d = HH(d, a, b, c, x[0], 11, 0xeaa127fa); c = HH(c, d, a, b, x[3], 16, 0xd4ef3085); b = HH(b, c, d, a, x[6], 23, 0x4881d05); a = HH(a, b, c, d, x[9], 4, 0xd9d4d039); d = HH(d, a, b, c, x[12], 11, 0xe6db99e5); c = HH(c, d, a, b, x[15], 16, 0x1fa27cf8); b = HH(b, c, d, a, x[2], 23, 0xc4ac5665); a = II(a, b, c, d, x[0], 6, 0xf4292244); d = II(d, a, b, c, x[7], 10, 0x432aff97); c = II(c, d, a, b, x[14], 15, 0xab9423a7); b = II(b, c, d, a, x[5], 21, 0xfc93a039); a = II(a, b, c, d, x[12], 6, 0x655b59c3); d = II(d, a, b, c, x[3], 10, 0x8f0ccc92); c = II(c, d, a, b, x[10], 15, 0xffeff47d); b = II(b, c, d, a, x[1], 21, 0x85845dd1); a = II(a, b, c, d, x[8], 6, 0x6fa87e4f); d = II(d, a, b, c, x[15], 10, 0xfe2ce6e0); c = II(c, d, a, b, x[6], 15, 0xa3014314); b = II(b, c, d, a, x[13], 21, 0x4e0811a1); a = II(a, b, c, d, x[4], 6, 0xf7537e82); d = II(d, a, b, c, x[11], 10, 0xbd3af235); c = II(c, d, a, b, x[2], 15, 0x2ad7d2bb); b = II(b, c, d, a, x[9], 21, 0xeb86d391); state.state[0] += a; state.state[1] += b; state.state[2] += c; state.state[3] += d; } public void Update(String s) { byte chars[] = s.getBytes(); Update(chars, chars.length); } public void Update(byte b) { byte buffer[] = new byte[1]; buffer[0] = b; Update(buffer, 1); } public void Update(byte buffer[]) { Update(buffer, 0, buffer.length); } public void Update(byte buffer[], int length) { Update(state, buffer, 0, length); } public void Update(byte buffer[], int offset, int length) { Update(state, buffer, offset, length); } public void Update(MD5State stat, byte buffer[], int offset, int length) { finals = null; if (length - offset > buffer.length) length = buffer.length - offset; int index = stat.count[0] >>> 3 & 0x3f; if ((stat.count[0] += length << 3) < length << 3) stat.count[1]++; stat.count[1] += length >>> 29; int partlen = 64 - index; int i; if (length >= partlen) { for (i = 0; i < partlen; i++) stat.buffer[i + index] = buffer[i + offset]; Transform(stat, stat.buffer, 0); for (i = partlen; i + 63 < length; i += 64) Transform(stat, buffer, i); index = 0; } else { i = 0; } if (i < length) { int start = i; for (; i < length; i++) stat.buffer[(index + i) - start] = buffer[i + offset]; } } public String asHex() { return asHex(Final()); } public static String asHex(byte hash[]) { StringBuffer buf = new StringBuffer(hash.length * 2); for (int i = 0; i < hash.length; i++) { if ((hash[i] & 0xff) < 16) buf.append("0"); buf.append(Long.toString(hash[i] & 0xff, 16)); } return buf.toString(); } public String debugDump() { return asHex(); } public static String md5crypt(String input) { MD5 md5 = new MD5(); md5.Init(); md5.Update(input); return md5.asHex(); } private int rotate_left(int x, int n) { return x << n | x >>> 32 - n; } private int uadd(int a, int b, int c, int d) { return uadd(uadd(a, b, c), d); } private int uadd(int a, int b, int c) { return uadd(uadd(a, b), c); } private int uadd(int a, int b) { long aa = (long) a & 0xffffffffL; long bb = (long) b & 0xffffffffL; aa += bb; return (int) (aa & 0xffffffffL); } MD5State finals; static byte padding[] = { -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; MD5State state; }