Local CoreML Model Encryption in Simulator

Question

CandideApixel OP

Created Aug ’20

Replies 2

Boosts 0

Participants 3

Hello,
When trying to load my CoreML model which is encrypted, I am getting:

Code Block Error loading model: Error Domain=com.apple.CoreML Code=9 "Operation not supported on this platform." UserInfo={NSLocalizedDescription=Operation not supported on this platform.}.

When using the simulator. Can this only be tested on an actual device?

Thank you,

Andres

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Answer 1

propertrue OP

Oct ’20

I have got the same issue as above. It would be great if someone from Apple can answer this question.

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Answer 2

ElvisWong OP

Mar ’25

It look like the simulator can not decrypt the model.

I found a solution by adding "encrypt" flag only on release build.

First add user-defined setting in Build Settings CleanShot 2025-03-26 at 3 .30.04@2x.png And then edit the per file compile flags and set them to $(ML_MODEL_ENCRYPT)

https://stackoverflow.com/questions/78956706/per-file-compile-flags-in-xcode-but-only-for-release-builds

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