openssl check certificate code example

Example 1: openssl view certificate

openssl x509 -in certificate.crt -text -noout

Example 2: openssl list certificate chain

# List all certificates in CHAINED.pem
openssl crl2pkcs7 -nocrl -certfile CHAINED.pem | openssl pkcs7 -print_certs -text -noout

Example 3: openssl x509 certificate

openssl x509