66 lines
1.9 KiB
Java
66 lines
1.9 KiB
Java
package com.zhgd.xmgl.util;
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import lombok.extern.slf4j.Slf4j;
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import java.security.MessageDigest;
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@Slf4j
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public class MD5 {
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// 全局数组
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private final static String[] strDigits = {"0", "1", "2", "3", "4", "5",
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"6", "7", "8", "9", "a", "b", "c", "d", "e", "f"};
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public MD5() {
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}
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// 返回形式为数字跟字符串
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private static String byteToArrayString(byte bByte) {
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int iRet = bByte;
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// log.info("iRet="+iRet);
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if (iRet < 0) {
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iRet += 256;
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}
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int iD1 = iRet / 16;
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int iD2 = iRet % 16;
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return strDigits[iD1] + strDigits[iD2];
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}
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// 返回形式只为数字
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private static String byteToNum(byte bByte) {
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int iRet = bByte;
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log.info("iRet1=" + iRet);
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if (iRet < 0) {
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iRet += 256;
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}
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return String.valueOf(iRet);
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}
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// 转换字节数组为16进制字串
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private static String byteToString(byte[] bByte) {
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StringBuffer sBuffer = new StringBuffer();
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for (int i = 0; i < bByte.length; i++) {
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sBuffer.append(byteToArrayString(bByte[i]));
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}
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return sBuffer.toString();
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}
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public static String GetMD5Code(String strObj) {
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String resultString = null;
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try {
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resultString = new String(strObj);
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MessageDigest md = MessageDigest.getInstance("MD5");
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// md.digest() 该函数返回值为存放哈希值结果的byte数组
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resultString = byteToString(md.digest(strObj.getBytes("UTF-8")));
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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return resultString;
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}
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public static void main(String[] args) {
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MD5 md5 = new MD5();
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log.info(md5.GetMD5Code("testapp_keytestfieldsnickformatxmlmethodtaobao.user.seller.getsessiontestsign_methodmd5timestamp2013-05-06 13:52:03v2.0test").toUpperCase());
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}
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}
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