Next I opened one of my own OS X Swift apps. Of the three apps I opened, this one had the least readable pseudo code. Maybe it's because this is a debug build. Maybe because it is Swift which Hopper just started supporting.
In any case you can see where Swift calls into some Objective-c libraries which i find interesting. You can also see ARC in action with all the retain/release calls.
Or you could say I did miss them, amirite?įinally I had a look at Sketch which looks to be written in Obj-C. You can see that they call into a third party library, iOS Artwork Extractor.
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Sublime text 3 full version download software#Īgain, lots of retain/release calls but this time it looks like the author of this library is managing memory without ARC.Īnother cool thing about Hopper (aside from the pseudocode which is terrific) is the graph modeĪnyhow, it's a neat piece of software and you can use it for lots of things besides cracking. I knew this already, but this really rang home just how easy it is for anyone to rip your OAuth keys or any other sensitive information out of your app. You can do a lot of things, but they take a lot of time to implement. you can go low level and use stack tricks, like do calculations on many different locations and jump between locations by push (which contains the results of your calculations) + (somewhere later) ret, to return to the address you just pushed, but what that is is only known at runtime.
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If you want to do it at a higher level, you can use lambdas / function pointers and use these to call code like the pop up. Things like the pop up and the license check pop up are the weak links here. Sublime text 3 full version download license# If you imagine if the string reference would be calculated at runtime using an encrypted block of code you decrypt at runtime it would be way harder to find it.īut in the end, it's not worth it. Sublime text 3 full version download code# Instead, spend more time on writing features for your paying customers than investing time in stopping non-paying customers. Sublime text 3 full version download license#.
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