.NET Maiu IOS application

[andersondamasio]

Hello, I'm trying to run obfuscation on a Maiu IOS application, but I'm having trouble.

I would like to know if there is any documentation about this compatibility.

"File header contains an invalid or unsupported PE image architecture Arm64."

[andersondamasio]

Solution for now:

Obfuscation on Maui Android was completed successfully.

For Maui iOS, we had to separate everything that needed to be obfuscated into separate libraries from the main project for it to work.

This way, it wasn't necessary to obfuscate the main project’s DLL, which was where the error “File header contains an invalid or unsupported PE image architecture Arm64.” occurred.

[sunnamed434]

Hi
Which protections you've used when there was a error about PE header?

[andersondamasio]

Hello, I believe that with any protection it produces the error. I made a simple example for you to reproduce it.

Please see the attachment.

MauiAppIOSSampleBitMono.zip

[sunnamed434]

Hello, I believe that with any protection it produces the error. I made a simple example for you to reproduce it.

Please see the attachment.

MauiAppIOSSampleBitMono.zip

Hi, I'll try check it on the weekends.

[sunnamed434]

@andersondamasio
Hi, could you please publish that repro .ZIP as code in a standalone GitHub repository?

[andersondamasio]

Yes, I will put

[andersondamasio]

Hello @sunnamed434
Here is the sample https://github.com/andersondamasio/bitmono-issue-sample

[sunnamed434]

@andersondamasio
Hi, sorry for the late reply, life got in the way.
Thanks for the repo.
As far as I understand, the Android works fine because it has IL code (that can be read by AsmResolver tool we use for obfuscation), and iOS is compiled to Native AOT, so what you can try to do is obfuscate before compilation into Native AOT, I didn't try to ever to do this, but I saw people did it, so it's possible.

Probably I'd add more logs with better explanation if it's fails like in your case.