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Replied In Why failed to add or get key in secure enclave on iPhone with iOS 12.x when running in loop
After several tried out, the problem is resolved. :) Keep CFRelease and adding autorelease pool drain in all functions that relates to secure enclave, tested with iPhone 5s (iOS 12.5.5) can run till 1000 iterations. Thanks for your help :)
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Replied In Why failed to add or get key in secure enclave on iPhone with iOS 12.x when running in loop
We create a 200 iterations for-loop to do add key and delete key. By using on iPhone 5s (iOS 12.5.5) to run this test. When using CFRelease to release key, it will failed on 150+ iteration, failed on add or delete key. When using autorelease pool drain to release key, it will failed on 70+ iteration, failed on add or delete key. Is it an iOS 12.x bug? Because it only happens on iOS 12.x devices.