I have tried the same test again and I found the same issue but hits time "OTA image has invalid magic byte (expected 0xE9, saw 0x1c"
Please let me know if you require more details about the same.

I have got the issue it looks like the same as you have, but not able to identify the problem.

You can see the error in the attached image

It makes sense. As I understand, the ESP can generate a key for itself as well. If I use this option I won't be able to update the bootloader later, right? Yes, Right. For your information : There are two way to generate the Flash encryption key: 1)Using ESP32 Generated Flash Encryption Key. 2)Usin...