A Web plugin written in Flash (C++ prefered)

We want to protect some JSON data in the browser. So ,we encrypt those data. We want to build a flash plugin with FlashCC. 1, The plugin is basically a Flash SWF file. 2, The plugin will be embedded in an HTML page 3,this plugin will be used as an JSON data processor,including: 3.1 Get JSON data from server 3.2 Decrypt JSON data inside the SWF file 3.3 Send the decrypted data to HTML through communicating with Javascript 3.4 Listening to and answer for DOM events through communicating with Javascript We want a demo about this issue . We have got detail docs for our requirement. Contact us if you are interested in this .