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Monday, July 2, 2012

How Obfuscator works


Explain how Obfuscator works?


Obfuscators protect the source code from being hacked. Encryption and Decryption are processes from where you can get the data back. However these differ from what obfuscation is. In obfuscation, a program become out of the reach of hackers although it functions the same way it is supposed to. Optimizations too get applied to the process of obfuscation in order to make the program fast.



Obfuscator simply renames all types and namespace etc to meaningless code making it non human readable. This diminishes the possibility of reverse engineering. For example


private void AddEmp(Employee employee) 
{
   {
      this.EmpList.Add(employee);
   }
}


It gets converted to following code.


private void a(a b) 
{
    {
      a.a.Add(b);
    }
}


1 comment:

  1. Yes, and it is a must for software developed using .Net technology. Some obfuscators like Crypto Obfuscator have multiple obfuscations which are applied at once to make it quite hard to decompile the obfuscated apps.

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