How to feel old, part 29459... featuring 8 year old OpenSSL commands
For 3+ decades I have used OpenSSL to decode SSL/TLS certificates with something like: openssl x509 -noout -text -in cert.pem One of the big issue with this is cert chains, where there are multiple certs in the PEM file. OpenSSL will only show one of them. Awk, csplit,