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Simple web based obfuscation

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30 Jan 2007CPOL2 min read 80.1K   270   48  
Protect sensitive data from nasty web bots using server / client obfuscation methods.
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;


/// <summary>
/// This page is a throw away, it is simply used to demonstrate the
/// use of the 2 tools : server side encryption / client side decryption
/// for preserving sensitive data from web bots
/// </summary>
public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        #region Email Encryption 
        //if javascript is enabled do the encoding
        if (Request.Browser.JavaScript)
        {
            //do the encryption using the raw email
            txtServerEncrypted.Text = System.BitConverter.ToString(
                            System.Text.ASCIIEncoding.ASCII.GetBytes(
                                    (txtRawEmail.Text))).Replace("-", "");

            //do the encryption using the raw email
            txtAllTogether.Text = System.BitConverter.ToString(
                            System.Text.ASCIIEncoding.ASCII.GetBytes(
                                    (txtRawEmail.Text))).Replace("-", "");
        }
        else
        {
            //couldnt find javascript so just use normal email
            txtServerEncrypted.Text = txtRawEmail.Text;
            txtAllTogether.Text = txtRawEmail.Text;
        }
        #endregion

    }

}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior)
United Kingdom United Kingdom
I currently hold the following qualifications (amongst others, I also studied Music Technology and Electronics, for my sins)

- MSc (Passed with distinctions), in Information Technology for E-Commerce
- BSc Hons (1st class) in Computer Science & Artificial Intelligence

Both of these at Sussex University UK.

Award(s)

I am lucky enough to have won a few awards for Zany Crazy code articles over the years

  • Microsoft C# MVP 2016
  • Codeproject MVP 2016
  • Microsoft C# MVP 2015
  • Codeproject MVP 2015
  • Microsoft C# MVP 2014
  • Codeproject MVP 2014
  • Microsoft C# MVP 2013
  • Codeproject MVP 2013
  • Microsoft C# MVP 2012
  • Codeproject MVP 2012
  • Microsoft C# MVP 2011
  • Codeproject MVP 2011
  • Microsoft C# MVP 2010
  • Codeproject MVP 2010
  • Microsoft C# MVP 2009
  • Codeproject MVP 2009
  • Microsoft C# MVP 2008
  • Codeproject MVP 2008
  • And numerous codeproject awards which you can see over at my blog

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