If you’ve updated to macOS 10.14.4, you’ve already installed supporting software to use your Mac in a classroom. Was this an error in the update? What does it do?
Have you updated to 10.14.4? Checked your login keychain? You may see a new security certificate there. What’s it for?
Can you sign AppleScript apps in Script Editor? Is there a better tool? What’s the best way to sign a command tool developed in Xcode?
One important requirement for code signatures is with Mojave’s new privacy controls. Are they needed, though?
Testing at the command line, with What’s Your Sign?, and according to the requirements of the signature.
How to perform ad hoc signing, signing with a personal certificate, and set signing up in Xcode.
How can you create your own personal certificate suitable for signing your apps? Uses Certificate Assistant, and free of cost.
Should you use ad hoc signing, or make your own personal certificate? Why would you want to sign a script or app you have made?
The differences between a full Gatekeeper check, an AMFI check for integrity, and a normal app open, and why signature errors can be tolerated.
Whenever an app is opened in 10.14.2, its signature is checked asynchronously, often several times. But in many cases, macOS doesn’t act on any errors returned.