Unraveling encrypted data with CryptoJs in MVC: A guide to decrypting values in code behind

I am currently developing an MVC application where I am working on encrypting my password. I have successfully encrypted the password using a click event and it is functioning properly. However, I am now facing the challenge of decrypting the same value in the MVC controller using CryptoJs.

Below is the code snippet:

<script src="http://crypto-js.googlecode.com/svn/tags/3.1.2/build/rollups/tripledes.js"></script>
       var secretString = document.getElementById("txtPassword").value;
        var password = "$1$O3JMY.Tw$AdLnLjQ/5jXF9.MTp3gHv/";
        debugger;
        //document.getElementById("secretstring").innerHTML = secretString;
       // var pass = document.getElementById("txtPassword").value;

        var encrypted = CryptoJS.TripleDES.encrypt(secretString, password);


        // document.getElementById("encryptedstring").innerHTML = encrypted.toString();

        //var decrypted = CryptoJS.TripleDES.decrypt(encrypted.toString(), password);
        //var finaltext = decrypted.toString(CryptoJS.enc.Utf8);
        //document.getElementById("txtPassword").value = encrypted;

I need to transmit the encrypted value to the C# code and decrypt it there using CryptoJs.TripleDES.decrypt.

Can anyone offer assistance with this issue? Your help is greatly appreciated. Thank you in advance.

Answer №1

If you're looking to implement Triple DES in C#, the .NET Library provides a handy 3DES provider. A great example of how to use it can be found here: How to implement Triple DES in C# (complete example)

For secure communication, using 3DES on the client side should be complemented with another 3DES implementation on the server. It's not necessary for both to be the same, especially since cryptoJS is primarily used for client-side operations.

However, it's important to note that sending encrypted data without proper security measures in place poses a risk. If the encryption method and password are easily identifiable in your source code, it's possible for attackers to intercept and decrypt the data sent to your server.

To ensure secure transmission of data, it's essential to implement SSL (HTTPS) encryption for your communication.

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