jCryption uses the Multiple-precision and Barrett modular reduction libraries for the calculations and jQuery is used for the rest. jCryption is completly free and dual licensed under the MIT and GPL licenses like jQuery.
jCryption was tested with Internet Explorer 6 +, Mozilla Firefox 3+, Safari 3, Opera 9+, Google Chrome.
* RSA form data encryption up to 2048 bit
* AjaxSubmit supported
* no SSL required
* easy to install, use and extend
* doesn’t block the browser on calculations
Just call jCryption on your form: $("#normal").jCryption();
Download jCryption - Here