Online Tools
Really nice set of tools to do a bunch of things, https://www.sslshopper.com/ssl-converter.html
Testing
Assuming that your CA certs are available, without a web server you can determine if a certificate is valid,
...
| Code Block | ||
|---|---|---|
| ||
openssl x509 \-text \-in www.krypton.com_server.crt |