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I'm trying to retrieve the certificate expiration date an application using the codesign command line tool, but I cannot seem to find the date that the certificate will expire. Any ideas?
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In Safari and Chrome on Mac OSIn the list of Keychains, click login. Click My Certificates under Category in the lower left-hand corner of the sidebar. There should be a certificate under your name listed. The expiration date should be listed to the right.
Use codesign to extract the certificates to the current directory:
codesign --display --extract-certificates /Applications/Example.app
You can then use Quick Look to view them:
qlmanage -c public.x509-certificate -p codesign*
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