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But beware, using example which you just cut and paste into your code is a risky action. While dynamic keys are specific to your application, it can be beneficial to see an example of it in action at least in a simple way. We recommend making use of these great features and section 4 of our User Guide contains in depth information and basic examples on External and Dynamic Keys. It is also highly advisable whether you use dynamic keys or not to activate the ‘Include Attack Protection’ feature to further protect you against code substitution. Multiple dynamic keys can be set allowing for infinitely increasing levels of protection. If this is the expected value then the script will continue to run. When the protected function is run keygen() is called and returns a value. The dynamic key is the value of keygen() which is used elsewhere. The encoded file contains an encrypted function which is protected by a dynamic key. When the correct key is generated it is used to decrypt the byte code for the corresponding function but if the key or encryption method is incorrect then the encoded file will fail to run. They are applied on a per function basis. The file doesn’t have to be a PHP file and can be located on a remote server.ĭynamic keys are a lot more powerful than external keys as the key is generated at runtime and unlike the other methods, never exists statically. ini configuration file setting, the path to a file or a license property.
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The encoded file requires an external key in order to run and the contents of the file itself is used as the key value. If the key cannot be found then the encoded file cannot be run. The encoding key is part of the file and this is the default mechanism used by ionCube and other solutions.Įxternal keys are separate from the encoded file and are required in order for the file to run. We will compare standard encoding, External Keys and Dynamic Keys which offer the greatest level of protection.įor comparison, here’s how standard encoding/decoding of a file works. In this article we focus on the most powerful features that you can use to protect your code and the differences between them.