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jayama nanda
how to encrypted password by using jsp... adminPage.jsp?
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March 4, 2008 at 3:39 PM
JSP Example code for encrypted password
JSP Encrypted Password Example Code
adminPage.jsp
<html>
<title>Admin login Page</title>
<head>
<script language="JavaScript">
function isProper(string) {
if (!string) return false;
var iChars = "*|,\":<>[]{}`\';()@&$#%";
for (var i = 0; i < string.length; i++) {
if (iChars.indexOf(string.charAt(i)) != -1)
return false;
}
return true;
}
function validateForm(theForm){
if(theForm.userid.value==""){
//Please enter accountholder
alert("Enter the User Name.");
theForm.userid.focus();
return false;
}
if (isProper(theForm.userid.value) == false) {
alert("Please enter a valid User Name.");
theForm.userid.focus();
return false;
}
if(theForm.userid.value.length > 20) {
alert("Maximum 20 characters allowed for 'First Name'.")
theForm.userid.focus() ;
return false;
}
if(theForm.password.value==""){
//Please enter accountholder
alert("Enter the password.");
theForm.password.focus();
return false;
}
if (isProper(theForm.password.value) == false) {
alert("Please enter a valid password.");
theForm.password.focus();
return false;
}
if(theForm.password.value.length > 20) {
alert("Maximum 20 characters allowed for 'Password'.")
theForm.password.focus() ;
return false;
}
return true;
}
</script>
</head>
<body>
<H1>Admin login Page</H1>
<form method="POST" action="adminPageAction.jsp" onsubmit="return validateForm(this);">
<table border="1" ALIGN="LEFT" cellspacing="0" cellpadding="0" width="50">
<tr>
<td width="25%"><b>User-Id:</b></td>
<td width="25%">
<input type="text" name="userid" size="20">
</td>
</tr>
<tr>
<td width="25%"><b>Password:</b></td>
<td width="25%">
<input type="password" name="password" size="20">
</td>
</tr>
<tr>
<td> </td>
<td>
<input type="submit" name="submit" value="Submit">
</td>
</tr>
</table>
</form>
</body>
</html>
adminPageAction.jsp
<%@ page language="java" import="java.sql.*,java.io.UnsupportedEncodingException,java.security.MessageDigest,sun.misc.BASE64Encoder,sun.misc.CharacterEncoder,java.security.MessageDigest" %>
<%
Connection con = null;
String url = "jdbc:mysql://localhost:3306/";;
String db = "register";
String driver = "com.mysql.jdbc.Driver";
try{
Class.forName(driver);
con = DriverManager.getConnection(url+db,"root","root");
try{
Statement st = con.createStatement();
String userid=request.getParameter("userid");
String password=request.getParameter("password");
MessageDigest d = MessageDigest.getInstance("SHA");
d.update(password.getBytes("UTF-8"));
byte raw[] = d.digest();
String hash = (new BASE64Encoder()).encode(raw);
System.out.println(hash);
con.close();
out.println("Successfully");
}
catch (SQLException s){
System.out.println("SQL statement is not executed!");
}
}
catch (Exception e){
e.printStackTrace();
}
%>
JSP Encrypted Password Example Code
adminPage.jsp
<html>
<title>Admin login Page</title>
<head>
<script language="JavaScript">
function isProper(string) {
if (!string) return false;
var iChars = "*|,\":<>[]{}`\';()@&$#%";
for (var i = 0; i < string.length; i++) {
if (iChars.indexOf(string.charAt(i)) != -1)
return false;
}
return true;
}
function validateForm(theForm){
if(theForm.userid.value==""){
//Please enter accountholder
alert("Enter the User Name.");
theForm.userid.focus();
return false;
}
if (isProper(theForm.userid.value) == false) {
alert("Please enter a valid User Name.");
theForm.userid.focus();
return false;
}
if(theForm.userid.value.length > 20) {
alert("Maximum 20 characters allowed for 'First Name'.")
theForm.userid.focus() ;
return false;
}
if(theForm.password.value==""){
//Please enter accountholder
alert("Enter the password.");
theForm.password.focus();
return false;
}
if (isProper(theForm.password.value) == false) {
alert("Please enter a valid password.");
theForm.password.focus();
return false;
}
if(theForm.password.value.length > 20) {
alert("Maximum 20 characters allowed for 'Password'.")
theForm.password.focus() ;
return false;
}
return true;
}
</script>
</head>
<body>
<H1>Admin login Page</H1>
<form method="POST" action="adminPageAction.jsp" onsubmit="return validateForm(this);">
<table border="1" ALIGN="LEFT" cellspacing="0" cellpadding="0" width="50">
<tr>
<td width="25%"><b>User-Id:</b></td>
<td width="25%">
<input type="text" name="userid" size="20">
</td>
</tr>
<tr>
<td width="25%"><b>Password:</b></td>
<td width="25%">
<input type="password" name="password" size="20">
</td>
</tr>
<tr>
<td> </td>
<td>
<input type="submit" name="submit" value="Submit">
</td>
</tr>
</table>
</form>
</body>
</html>
adminPageAction.jsp
<%@ page language="java" import="java.sql.*,java.io.UnsupportedEncodingException,java.security.MessageDigest,sun.misc.BASE64Encoder,sun.misc.CharacterEncoder,java.security.MessageDigest" %>
<%
Connection con = null;
String url = "jdbc:mysql://localhost:3306/";;
String db = "register";
String driver = "com.mysql.jdbc.Driver";
try{
Class.forName(driver);
con = DriverManager.getConnection(url+db,"root","root");
try{
Statement st = con.createStatement();
String userid=request.getParameter("userid");
String password=request.getParameter("password");
MessageDigest d = MessageDigest.getInstance("SHA");
d.update(password.getBytes("UTF-8"));
byte raw[] = d.digest();
String hash = (new BASE64Encoder()).encode(raw);
System.out.println(hash);
con.close();
out.println("Successfully");
}
catch (SQLException s){
System.out.println("SQL statement is not executed!");
}
}
catch (Exception e){
e.printStackTrace();
}
%>
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