Java :: Hide The Salt Code In Flash?
Apr 8, 2011
I need to be able to transmit data from a Flash browser application to a PHP file on a web server, both securing and validating the data whilst and at the same time trying to prevent unauthorised creation of the message. (I want to try and ensure that the message comes from the application, not a user sending a message via another means).
In a C++ application I would Salt the data, and send the hash of the data along with it, and then validate the hash against the data to ensure integrity and source.However, in Flash (& Java), applications can be decompiled so that the source code is viewable. So if I used this method, someone could (relatively) easily find the salt, and then create a 'valid' message of their own to send outside of the application.
Is there any way I can 'hide' this salt code to help secure the transmission? Yes, I know there are code obfuscators, but they don't fully hide the code, just add another layer.Or is there another method entirely that could be used to transmit data and validate the source & content at the PHP end?
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