The extracted AEA key file is missing one

[ssdswi]

What happened?

There are two *dmg.aea in IPSW file,but only can extract one key by *dmg.aea.pem.
The other unextracted key is the key for the most critical dmg file, which is the largest in file size.

How can we reproduce this?

use ‘ipsw extract --fcs-key’

ipsw version

Version: 3.1.544,

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• I did search for other open and closed issues before opening this

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Additional context

No response

[ssdswi]

Oh,i'm sry.I found the fs and the sys fcs key are the same.It's my fault.
But i can't open any ios18 decrypted *.dmg file with “Transmac” on Windows. I can open the biggest ios17 and before *.dmg file in IPSWs at “transmac”APP in Windows.
That's why I made this mistake.
Is there any other way to open it on Windows?

[blacktop]

do you have apfs-fuse installed?

[blacktop]

if so you could try: ipsw mount fs IPSW.ipsw

[ssdswi]

I'm using the apfs-fuse project, which seems to only work in a Linux environment, so I tried to mount the dmg using "ipsw mount" in a Linux environment, but it seems that ipsw doesn't call my compiled apfs-fuse directly even though I've added it to the $PATH.

So I tried extracting the dmg file and then mounting it directly using "apfs-fuse" and it seems to work. So in fact the decrypted dmg file should be correct, but there doesn't seem to be a way to use the file inside the dmg directly on Windows at the moment, but it should work fine on Linux or macos!

So how exactly should I use "ipsw mount" directly within the ipsw project without prompting for the apfs command not found? Or is it possible to fully port this project to Windows?

ps:I'm a novice. Forgive my ignorance,please!

[blacktop]

that is strange, I wonder if you can all apfs-fuse from anywhere (not just in the 'buid' folder to show it really can be found in your PATH?

I'm going to add a PATH lookup to then use the absolute path, let me know if that fixes anything for you too?

[aman77724]

Doss this issue resolved or is there another way to extract that big .dmg.aea file .