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  • MD5加密

    package com.ecton;

    import java.security.MessageDigest;

    /*
    * Created on 2002-4-27
    *
    * To change the template for this generated file go to
    * Window>Preferences>Java>Code Generation>Code and Comments
    */

    /**
    * @author ANDYLIU
    *
    * To change the template for this generated type comment go to
    * Window>Preferences>Java>Code Generation>Code and Comments
    */
    /************************************************
    MD5 算法的Java Bean
    @author:Topcat Tuppin
    Last Modified:10,Mar,2001
    *************************************************/

    /*******************************************************************************
    * md5 类实现了RSA Data Security, Inc.在提交给IETF 的RFC1321中的MD5 message-digest 算法〄1�7
    ******************************************************************************/

    public class MD5 {

    public static MD5 instance = new MD5();

    public static MD5 getInstance() {
    return instance;
    }

    public String getMD5ofStr(String s) {
    char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
    'a', 'b', 'c', 'd', 'e', 'f' };
    try {
    byte[] strTemp = s.getBytes("UTF-8");
    MessageDigest mdTemp = MessageDigest.getInstance("MD5");
    mdTemp.update(strTemp);
    byte[] md = mdTemp.digest();
    int j = md.length;
    char str[] = new char[j * 2];
    int k = 0;
    for (int i = 0; i < j; i++) {
    byte byte0 = md[i];
    str[k++] = hexDigits[byte0 >>> 4 & 0xf];
    str[k++] = hexDigits[byte0 & 0xf];
    }
    return new String(str);
    } catch (Exception e) {
    return null;
    }

    }

    public static void main(String[] args) {
    String str = "1.0.0|8888|288888888888888|53ac80181938427|288888|1|53ac80181938427|20170714175017|156|http://t4.htaonet.com/htpay/htpay/notice_852310150940001.html|http://t4.htaonet.com/htpay/htpay/notice_852310150940001.html|e9bb98e8aea4e59586e59381|8ls3J8EcwaF2s847";
    MD5 md5 = new MD5();
    String sign = md5.getMD5ofStr(str);
    System.out.print(sign);
    // System.out.println(MD5.getInstance().getMD5ofStr("account_dt=20105019&bill_org_id=898310079950002&buss_id=0000000002&confirm_in=3&contract_no=10081900000024&discount_at=0&ext_user_id=大排&mobile_phone=13817966995&owe_fee_at=100&put_org_id=898310079950002&req_org_id=898310079950002&req_seq_id=10081900000024&submit_time=20100819125046&tot_fee_at=100&txn_code=A10001234567890654322"));
    }

    }

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  • 原文地址:https://www.cnblogs.com/xint/p/9117225.html
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