Although macOS won’t tell, Apparency will, even down to launch constraints. Other alternatives, and how to check in the command line.
Taccy
For working with document versions, managing sparse bundles, benchmarking disk performance, checking TCC privacy protection, and looking up UTIs.
GUI software and the commands you need to get the signature of an app checked thoroughly by macOS, plus a detailed list of error code.
App signatures are about more than just the certificate. That provides a chain of trust going back to Apple, and supports integrity checks and entitlements.
Updates recommended for all users. They finally address problems with using 12-hour and other clocks. Log handling code has been refactored to improve performance.
Consolation, Ulbow, Mints, T2M2, Cirrus and Taccy all updated to cope with increasing complexity and unreliability of the unified log.
Two bugs – one affecting SDK version beyond 11.0, the other changing designation of the Audio privacy entitlement. Now fixed.
When macOS won’t let you open an app or other software because it warns that it’s (possibly) malware, here’s how to check the signatures.
Now runs native on both Intel and Apple Silicon Macs, from Sierra to Big Sur beta 4.
New approach to reading logs which enables you to follow conversations between sub-systems and services you’re interested in without messing with predicates.
The Eclectic Light Company 