Latest Tutorials| Questions and Answers|Ask Questions?|Site Map



Home Answers Viewqa Development-process Java store username and encrypted password in database

Have Programming Question? Ask it here!
 
 
 


kirankumar
Java store username and encrypted password in database
1 Answer(s)      a year and 11 months ago
Posted in : Development process


how to a program such that i want to store username and encrypted password in database and when i retreive from database i should get username and decrypted password. plz im waiting for ur reply. thank in advance.


Advertisement
View Answers

May 5, 2012 at 11:44 AM


The given code will allow the user to enter username and password. This password is then encrypted and insert into the database along with username. If you user want to get the encrypted password in its decrypted form then you can easily get it from the database.

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.security.*;
import javax.crypto.*;

class Login extends JFrame implements ActionListener
{
    JButton SUBMIT;
 JPanel panel;
 JLabel label1,label2;
 final JTextField  text1,text2;
    private static String algorithm = "DESede";
        private static Key key = null;
        private static Cipher cipher = null;
         private static byte[] encrypt(String input)throws Exception {
            cipher.init(Cipher.ENCRYPT_MODE, key);
            byte[] inputBytes = input.getBytes();
            return cipher.doFinal(inputBytes);
        }
         private static String decrypt(byte[] encryptionBytes)throws Exception {
            cipher.init(Cipher.DECRYPT_MODE, key);
            byte[] recoveredBytes =  cipher.doFinal(encryptionBytes);
            String recovered =  new String(recoveredBytes);
            return recovered;
          }

  Login()
  {
  label1 = new JLabel();
  label1.setText("Username:");
  text1 = new JTextField(15);

  label2 = new JLabel();
  label2.setText("Password:");
  text2 = new JPasswordField(15);

  SUBMIT=new JButton("SUBMIT");

  panel=new JPanel(new GridLayout(3,1));
  panel.add(label1);
  panel.add(text1);
  panel.add(label2);
  panel.add(text2);
  panel.add(SUBMIT);
  add(panel,BorderLayout.CENTER);
  SUBMIT.addActionListener(this);
  }
 public void actionPerformed(ActionEvent ae)
  {
     try{

String uname=text1.getText();
String pass=text2.getText();

 key = KeyGenerator.getInstance(algorithm).generateKey();
            cipher = Cipher.getInstance(algorithm);
            String input = pass;
            byte[] encryptionBytes = encrypt(input);
            String passw=new String(encryptionBytes);
String connectionURL = "jdbc:mysql://localhost:3306/test";
Connection con=null;
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(connectionURL, "root", "root");
PreparedStatement ps = con.prepareStatement("INSERT INTO login(username,password) VALUES(?,?)");
ps.setString(1,uname);
ps.setString(2,passw);
int i = ps.executeUpdate();
ps.close();


Statement st=con.createStatement();
ResultSet rs=st.executeQuery("Select * from login where username='"+uname+"'");
String str="";
if(rs.next()){
str=rs.getString("password");
}
JOptionPane.showMessageDialog(null,"Your password is: "+decrypt(str.getBytes()));
}
catch(Exception e){}
}

  public static void main(String arg[])throws  Exception
  {
  try
  {
  Login frame=new Login();
  frame.setSize(300,100);
  frame.setVisible(true);
  }
  catch(Exception e)
  {JOptionPane.showMessageDialog(null, e.getMessage());}
  }
}


Related Tutorials/Questions & Answers:
Java swing store the encrypted password into database
Java swing store the encrypted password into database In this tutorial, you will learn how to encrypt the password and insert it into database. Here is an example that creates two fields to accept username and password from the user
validating username and password from database
validating username and password from database  Hello sir, i am developing a login page. i want that when i fill data in text fields. it validate data from database. if enter data is match from database. page goes to next page
Advertisements
Decrypt an encrypted password in JSP
Decrypt an encrypted password in JSP   How to decrypt an encrypted password and store in database ? Her is my code that i have done for encryption...; users(username,password,lastname,email,phone,gender,firstname,confirm_password
Username password
with the validation, so that if the username and password match it will continue... that checks whether the username and password is valid or not. If the user...=st.executeQuery("select * from login where username='"+value1+"' and password='"+value2
code to validate username password of gmail and procedures to establish jdbc connectivity to store unread mails and retreive it..
code to validate username password of gmail and procedures to establish jdbc..., 1)I am in need of code to establish username and password of gmail 2)code in jsp to validate the username and password of my gmail mentioned above
code to validate username password of gmail and procedures to establish jdbc connectivity to store unread mails and retreive it..
code to validate username password of gmail and procedures to establish jdbc..., 1)I am in need of code to establish username and password of gmail 2)code in jsp to validate the username and password of my gmail mentioned above
code to validate username password of gmail and procedures to establish jdbc connectivity to store unread mails and retreive it..
code to validate username password of gmail and procedures to establish jdbc..., 1)I am in need of code to establish username and password of gmail 2)code in jsp to validate the username and password of my gmail mentioned above
code to validate username password of gmail and procedures to establish jdbc connectivity to store unread mails and retreive it..
code to validate username password of gmail and procedures to establish jdbc..., 1)I am in need of code to establish username and password of gmail 2)code in jsp to validate the username and password of my gmail mentioned above
code to validate username password of gmail and procedures to establish jdbc connectivity to store unread mails and retreive it..
code to validate username password of gmail and procedures to establish jdbc..., 1)I am in need of code to establish username and password of gmail 2)code in jsp to validate the username and password of my gmail mentioned above
spring hibernate encrypted password
In this section, you will learn about encrypted password in spring hibernate
how to check username & password from database using jsp
how to check username & password from database using jsp  Hello, I have created 1 html page which contain username, password & submit button. in my oracle10G database already contain table name admin which has name, password
how can we store the encrypted passwaord in swings?
how can we store the encrypted passwaord in swings?   how can we store the encrypted passwaord in swings
unable to validate username and password from ms acess database
unable to validate username and password from ms acess database  //this code is not working! please help me to find error. thanks. <%@ page import="java.sql.*" %> <% Connection con=null; String user
unable to validate username and password from ms acess database
unable to validate username and password from ms acess database  //this code is not working! please help me to find error. thanks. <%@ page import="java.sql.*" %> <% Connection con=null; String user
unable to validate username and password from ms acess database
unable to validate username and password from ms acess database  this code is not working! please help me to find error. thanks. <%@ page import="java.sql.*" %> <% Connection con=null; String user
unable to validate username and password from ms acess database
unable to validate username and password from ms acess database  this code is not working! please help me to find error. thanks. <%@ page import="java.sql.*" %> <% Connection con=null; String user
Java Read username, password and port from properties file
Java Read username, password and port from properties file In this section, you will come to know how to read username, password and port no from... = prop.getProperty("username"); String pass = prop.getProperty("password
encrypt the username and password using PHP
encrypt the username and password using PHP  How can we encrypt the username and password using PHP?   Hi friends, You can use the MySQL PASSWORD() function to encrypt username and password. For example, INSERT
create webpage with table sql database using netbeans 6.8 with struts complete tutorial.(include username and password)
create webpage with table sql database using netbeans 6.8 with struts complete tutorial.(include username and password)   myself muthu,am working as software trainee in reputed concern.our company gave one project to me.create
create webpage with table sql database using netbeans 6.8 with struts complete tutorial.(include username and password) 0 Answer(s)
create webpage with table sql database using netbeans 6.8 with struts complete tutorial.(include username and password) 0 Answer(s)  create webpage... username and password
default password Allow the user to see the typed alphanumeric or character before it is changed to an encrypted dot
default password Allow the user to see the typed alphanumeric or character before it is changed to an encrypted dot  Allow the user to see the typed alphanumeric or character before it is changed to an encrypted dot in xsl n
validating username and password in servlet and redirect to login page with error message if not valid
validating username and password in servlet and redirect to login page... and password in my servlet against database and if not valid want to display error message saying "Invalid username and password" in my login page. please help
How to supress displaying username and password in Java Web Start 10.21.2.11 Using JRE version 1.7.0_21-b11 Java HotSpot(TM) Client VM
How to supress displaying username and password in Java Web Start 10.21.2.11... installed Java 1.7.21 from java 1.6. I am observing username and password (match... messages. Could you Please tell me how to suppress username and password from JNLP
to enter into a particular page only if the username,password and listbox value mtches
to enter into a particular page only if the username,password and listbox value... in to his page only if the username, password and the listbox value(user type) matches using "jsp".where the username,password,user type are stored in a single table
How can we encrypt the username and password using PHP?
How can we encrypt the username and password using PHP?  How can we encrypt the username and password using PHP
jsp login code ... when username , drop down box and password is correct
jsp login code ... when username , drop down box and password is correct  i need a jsp code for login.... when username password and dropdown box...; var password=document.form.pass.value; if(username==""){ alert("Enter Username
jsp login code when username , password and dropdown box value is correct...
jsp login code when username , password and dropdown box value is correct... in dropdown box.... so when i login i all the three username,password and dropdown box...=document.form.user.value; var password=document.form.pass.value; if(username==""){ alert("Enter
jsp login code when username , password and dropdown box value is correct...
jsp login code when username , password and dropdown box value is correct... in dropdown box.... so when i login i all the three username,password and dropdown box...=document.form.user.value; var password=document.form.pass.value; if(username
How to store image into database
into database using Java. Can anyone help me that how can i store image into database using Java. Thanks in advance.   hi friend, To store image into the database the data type blob can be used and in the Java code you can use
simple code to write an read and write the login detail to a xml file using javascript ( username and password )
javascript ( username and password )  pls can nyone give me a code to write and read the login details (username and password )into a xml file using javascript. (XML database
image store in database - JDBC
to store image into database. Check at http://www.roseindia.net/servlets/insert...image store in database  Dear Deepak Sir, If I want to store image into the database what is the process to do that? Please explain
How to store JComboBox selected Item into Ms Access Database - Java Beginners
How to store JComboBox selected Item into Ms Access Database  How to store JComboBox selected Item into Ms Access Database.  Hi Friend...(); } public SwingFrame(){ JFrame f = new JFrame("Frame in Java Swing
How to read excel data and store it in database - Java Beginners
How to read excel data and store it in database  Hi, I want a java code to read data from excel and store it in Ms Access database.I tried the code but but its printing the output in console.I dont know how to store the excel
Java get windows Username
Java get windows Username     ... username. We are providing you an example which will obtain the window's username... of the windows. System.getProperty("user.name")- This method retrieve the username
How to Store Float Value into Access Database - Java Beginners
How to Store Float Value into Access Database  Hello sir,I want to Store Student Marks Percentage into Access Database in Float Value how i can Store.... To store the double value in Access database, you need to set the datatype
store and retrive image from database - JDBC
an image in database using java?  Hi friend, Code for store image in database using Java. import java.sql.*; import java.io.*; public class..."; String userName = "root"; String password = "root"; Connection con = null
Connecting code of reset password to database
Connecting code of reset password to database  connecting code of reset password to database
How to store an image in database
How to store an image in database  Hi........... How to store an image in postgresql using a query. I mean tell me the way to store an image using datatype. I am using the datatype bytea but tell me how to insert the image
Unable to store the image into database
Unable to store the image into database  Hello, I have created below program and program is throwing FileNotFound exception when I pressed the submit...); }   Hi, Please check the thread How to Insert image into database
Creating a MySQL Database Table to store Java Types
Creating a MySQL Database Table to store Java Types... to store a java types in our database table. Now one question may arise in your... to create a table in MySQL database that stores all java types. Here we
how to store image file and videofile in ms access database using java? - JDBC
how to store image file and videofile in ms access database using java?  how to store image file and video file in ms access database using java
java password function
java password function  secret password function
store and retrive image from the database
to store and retreive images from sql database using sql commands -how to store and retreive images from sql database using asp.net/c# thanks in advance...store and retrive image from the database  please provide me
Store XML file into Sqlserver Database
Store XML file into Sqlserver Database  Code for storing a typical XML file into SQl server database in 1 or more tables using asp.net using C
How can I protect my database password ?
How can I protect my database password ?   How can I protect my database password ? I'm writing a client-side java application that will access..., where the connection string to the database, including user and password, is stored
to store form vaues in database - JDBC
to store form vaues in database  sir i have created one form with two... the code   Hi friend, Code to insert the data into database :   Navigating in a Database Table Welcome
code for connecting reset password code to database.
code for connecting reset password code to database.  code for connecting reset password code to database.   Hello Friend, Do you want to change your password and update the password to database
Password - Java Beginners
charecter just as typing password in E-mail.ID without using applet... can we do...("Username")); rowOne.add(new JTextField(20)); Box rowTwo = Box.createHorizontalBox(); rowTwo.add(new JLabel("Password")); rowTwo.add(new
how to store multiple values from drop down in database where i am using java struts 1.3
how to store multiple values from drop down in database where i am using java struts 1.3  hii, i am coding a form where i need a keyskills attribute... is displaying.. i need code in java so that it takes multiple values
sir plz help in design a jsp page whichis as follow username [_____] select [__>]password [_____] after selection then onlypassword text box is visible
sir plz help in design a jsp page   sir plz help in design a jsp page which is as follow username [ _ ] select [ > ] password [ _ ] after selection then only password text box is visible
 

 

 

DMCA.com