Question

import java.sql.*;
public class userRegistration {

   static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";  
   static final String DB_URL = "jdbc:mysql://localhost/keystone";
   static final String USER = "root";
   static final String PASS = "cusat123";

   public static void main(String[] args) {
   Connection conn = null;
   Statement stmt = null;
   try{

      Class.forName("com.mysql.jdbc.Driver");

      conn = DriverManager.getConnection(DB_URL,USER,PASS);

      stmt = conn.createStatement();
      String sql;
      sql = "SELECT name,id,password FROM user";
      ResultSet rs = stmt.executeQuery(sql);
      while(rs.next()){

         String first = rs.getString("name");
         String last = rs.getString("id");
         String pwd = rs.getString("password");

         if("siju".equals(first))
         {
          if("cusatse".equals(pwd))
          {
              System.out.println("login ok");
          }
         }
         System.out.print(" username: " + first);
         System.out.println(", id: " + last);
         System.out.println(", password: " + pwd);
      }

      rs.close();
      stmt.close();
      conn.close();
   }catch(SQLException se){

      se.printStackTrace();
   }catch(Exception e){

      e.printStackTrace();
   }finally{

      try{
         if(stmt!=null)
            stmt.close();
      }catch(SQLException se2){
      }
      try{
         if(conn!=null)
            conn.close();
      }catch(SQLException se){
         se.printStackTrace();
      }
   }
   System.out.println("Goodbye!");
}

}

输出

用户名：siju，id：0d2809092a1e41c485181b07f8ac62ae ，密码：$ 6 $ rounds = 40000 $ JHmpeyx13IDIJdgJ $ zFGji3SJPQ4Dx3pz6BWnIXmkVvpZNmHxMfj8qN2DOQ2K6pR5Vl / UNfjo00HJwNXRgXxEhly6N6Hf6MTaMb1d21 用户名：glance，id：47bcfb1392514dc5b890bfb14186663d ，密码：$ 6 $ rounds = 40000 $ yDvqf1kBnvcTldCH $ DGKrrqY3mavByeM8xtqF8AaXEFiViapwHLo14WnTIE4z0N.IiCJ96lIxtmqfDKqYp2lxCQkFpff63Wh8.z2du / 用户名：nova，id：5504658950fa47239fa476e895111f5a ，密码：$ 6 $ rounds = 40000 $ YQe7qgAKC3UiLBkM $ pFd.VCf2U6PeJnx2ejPGkW04tHq63o0fb9RiUjJTztiouH.d7UhqRmwA0aVZb6j / O..XDnhV9U4MLBnbW315Z0 用户名：admin，id：6a6bae538bd749bb8f6388ec5f3c2707 ，密码：$ 6 $ rounds = 40000 $ .6.GubHpPpkZrk5J $ RtRAI3Xd9.eAWKoQCMtfVf6jNok.n6zCcqFWlV / 1x0RWjLAxd29 / Jm9OjtNUNtK8JqJPjl0.lgyuHc1ZJVYIY0 用户名：swift，id：bce9ad99e4ad44988203180080ac022a ，密码：$ 6 $ rounds = 40000 $ OWbwnCWLbCEPSwed $ .UbZQD4WLnjzM4n2qkSMjqpP8IIXNMtKNQuW3oqNdfvUof1 / qYVGtnEcONPphmXBbJMlOZOkQqTnTrFC03UU70 用户名：demo，id：d059821f33fa498b979b7b1539f00274 ，密码：$ 6 $ rounds = 40000 $ X8MyyrjduXoeHC1F $ e6Dc2k4bUz9YnnWY / rx0ECXW95mZhAdV8EDNnY9waLmuAXfVThME7g.V2rirhCt6WkRA4yr1jQlB9D2lTT0iL1 用户名：sunil，id：e57a4c4bce984cbebf2a4f9babd42983 ，密码：$ 6 $ rounds = 40000 $ / mrUJI0OIe6TOVWx $ z4fOjo4hRk55sI2MbE / rrkqKiPrRvY9WdNMfhsitvmeIHccO8FjeqWS7dM3KUNt0giM1Cx4ayduSQcJxKlFyP / 再见！

1.问题是密码的形式不同。

2.我可以用正确的字符串形式从Keystone数据库访问密码...... ???

Answer 1

您无法解密密码FROM mysql，因为密码是使用md5哈希算法进行哈希处理的，这不是一种编码算法。

以正确的形式从Keystone数据库访问用户表中的用户密码（String）

1 个答案: