- Put 'DeveloperCertificates' base64 data from provision profile into separate file.
- Convert base64 to binary form.
cat cert.b64 | base64 -D > cert.bin
- Extract cert info
cat cert.bin | openssl x509 -subject -dates -inform der
cat cert.b64 | base64 -D > cert.bin
cat cert.bin | openssl x509 -subject -dates -inform der