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Laksmi Chandra
Encrypt Password with JSP
3 Answer(s)      5 years and 4 months ago
Posted in : JSP-Servlet



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September 5, 2009 at 4:11 PM


Hi Friend,

Try the following code:

1)form.jsp:

<html>
<body>
<form name="userform" method="post" action="encrypt.jsp">
<table>
<tr><td>User Name</td><td><input type="text" name="user"></td></tr>
<tr><td>Password</td><td><input type="password" name="pass"></td></tr>
<tr><td>Confirm Password</td><td><input type="password" name="cpass"></td></tr>
<tr><td>Name</td><td><input type="text" name="name"></td></tr>
<tr><td>Phone</td><td><input type="text" name="phone"></td></tr>
<tr><td>Contact</td><td><input type="text" name="contact"></td></tr>
<tr><td><input type="submit" value="Search"></td></tr>
</table>
</form>
</body>
</html>

2)encrypt.jsp:

<%@page import="java.sql.*"%>
<%@page import=" java.security.MessageDigest"%>
<%
String username=request.getParameter("user");
String password=request.getParameter("pass");
String name=request.getParameter("name");
String phone=request.getParameter("phone");
String contact=request.getParameter("contact");
String algorithm="";
int ph=Integer.parseInt(phone);
byte[] unencodedPassword = password.getBytes();
MessageDigest md = null;
try {
md = MessageDigest.getInstance("MD5");
} catch (Exception e) {}
md.reset();
md.update(unencodedPassword);
byte[] encodedPassword = md.digest();
StringBuffer buf = new StringBuffer();
for (int i = 0; i < encodedPassword.length; i++) {
if (((int) encodedPassword[i] & 0xff) < 0x10) {
buf.append("0");
}
buf.append(Long.toString((int) encodedPassword[i] & 0xff, 16));
}
String passw=buf.toString();
String connectionURL = "jdbc:mysql://localhost:3306/test";;
Connection con=null;
try{
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection(connectionURL, "root", "root");
PreparedStatement ps = con.prepareStatement("INSERT INTO register(user,pass,name,phone,contact) VALUES(?,?,?,?,?)");
ps.setString(1,username);
ps.setString(2,passw);
ps.setString(3,name);
ps.setInt(4,ph);
ps.setString(5,contact);
int i = ps.executeUpdate();
ps.close();
con.close();
}
catch(Exception ex){}

%>

Thanks


June 15, 2011 at 2:22 PM


hello, can u give me code for how to decrypt password for this encryption??



August 6, 2012 at 3:39 PM


hello, can u give me code for how to decrypt password for this encryption??



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