CodeCrypter enables you to encrypt scripts without placing the key inside the script.
This is because this key is extracted from the user environment at runtime by, for example:
password user query
any macro (e.g., @username)
any AutoIt function call
any UDF call
some permanent environment variable on a specific machine (and not created by your script)
a server response
a device response
anything else you can think of, as long as it's n