Best Java obfuscator

Question

I am developing a security software and want to obfuscate my java code so it will become impossible to reverse engineer  What is the most reliable java obfuscator

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If a computer can run it  a suitably motivated human can reverse-engineer it

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I used Allatori and it did its job pretty well

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We ve had much better luck encrypting the jars rather than obfuscating  We use Classguard

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I don t know for sure if the solution is safe  but about the ClassGuard solution  it s interesting to read the article and the comment at  http   www javaworld com community  q node 1604 comment-12296

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I used to work with Klassmaster in my previous company and it works really well and can integrate pretty good with build systems  maven support is excellent   But it s not free though

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I think that Proguard is the best  It is also possible to integrate it with your IDE  for example NetBeans   However  consider that if you obfuscate your code it could be difficult to track problems in your logs

User · Answer

First  you really need to keep in mind that it s never impossible to reverse-engineer something  Everything is hackable  A smart developer using a smart IDE can already get far enough   Well  you can find here a list  ProGuard is pretty good  I ve used it myself  but only to  minify  Java code

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It is true that it is always possible to reverse engineer some code  just like it is impossible to protect a house in order so nobody can ever steal from it  That does not keep me from locking the door  though  Actually  I am not in the java world  I use BitHelmet for  net

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As said elsewhere on here  proguard is good  but what might not be known is that there is also a third-party maven plugin for it here http   pyx4me com pyx4me-maven-plugins proguard-maven-plugin    I ve used them both together and they re very good

User · Answer

Check out my article Protect Your Java Code - Through Obfuscators And Beyond  Archived  for a discussion of obfuscation vs three other ways to make the reverse engineering of your apps more expensive  and a collection of links to tools and further reading materials

[java] Best Java obfuscator?

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