Ajax need to be encrypted with PHP function, problem

Question

The ajax request is working but the problem I'm having is how to encrypt the data with my PHP function before the request is made?

Here is the JS I'm trying

$("#sensitive_data").blur(function() {
    alert($(this).val());

    $.ajax({
        url: 'db.php?check=<?php echo $object->encrypting_data('+$(this).val()+') ?>',
        type: 'POST',
        error : function (){ document.title='error'; }, 
        success: function (data) {                  
            alert(data);                    
        }
    });         
});

It works if I pass a static value in the php function

Matthew Flaschen · Accepted Answer · 2011-03-22 00:45:33Z

3

If I understand right, you're trying to use a PHP function to encrypt client-side data before it's sent to the server.

That's impossible, because you can't call a PHP function on the client-side. I'm also not sure what you want to accomplish.

answered Mar 22, 2011 at 0:45

Matthew Flaschen

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5 Comments

Phill Pafford Over a year ago

hmm thanks what I was thinking but just wanted to confirm, Thanks. Well a follow up question then. How does one encrypt sensitive data in an AJAX call or Request (POST/GET)?

Matthew Flaschen Over a year ago

You use SSL/TLS to encrypt it in transport. If you're trying to hide it from the browser user, that's pointless and impossible.

Phill Pafford Over a year ago

This is for a Mobile web app and I need to encrypt the data, any advice? besides SSL/TLS

Matthew Flaschen Over a year ago

@Phil, again, who do you want confidentiality from? It's impossible to avoid letting the user see the data.

Charles Over a year ago

There should be no issue with SSL support on a mobile phone if you also happen to expect that phone to support jQuery.

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