JScript.Encode
JScript.Encode is a method created by Microsoft used to encode both server and Client-side JavaScript or VB Script source code in order to protect the source code from copying.[1] JavaScript code is used for creating dynamic web content on many websites, with the source code easily viewable, so this was meant to protect the code.
The encoding is a simple polyalphabetic substitution using three alphabets.
How to use
You can use a command line script encoder [1] to encode your scripts. To encode a HTML web-page file called default.htm, use the following command:
screnc.exe default.htm defaultenc.htm
It would output to a file called defaultenc.htm.
Weaknesses
It has been reverse engineered [2] and many websites provide an on-the-fly decoder.[3]
References
External links
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