On 1/6/23 12:28 PM, Aandi Inston via Cocoa-dev wrote:
Is there any API for doing the following activities related to code
signing?
- Check that the signature on the running codesigned executable is from the
same company as the signature on a bundle?
OR
- Get the company from the codesigned running executable and
- Get the company from a signature on a bundle
(so we can check they are the same).

I think this can be done calling and reading output from the codesign CLI,
but an API seems tidier.

Reference to detailed reading is fine!!
Thanks in advance!

I haven't tried this, but I think you could call

SecCodeCopySigningInformation( code, kSecCSSigningInformation, &resultDict )

for each piece of code, and in the resulting dictionary, look at the value for the key kSecCodeInfoTeamIdentifier.  That should serve to represent the company.

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