CA certificate: ca.crt (PEM format + plaintext)
Revocation list: ca.crl (PEM format)
The CA certificate is to expire in January 2031,
but much can change before then...
CA certificate: rootca.cert.pem (PEM format)
Revocation list: rootca.crl.pem (PEM format)
This is the new root CA with validity up to year 2099.
CA certificate: interca1.cert.pem (PEM format)
InterCA1 and RootCA certificate: interca1.bundle.pem (PEM format)
Revocation list: interca1.crl.pem (PEM format)
This is the generic intermediate certificate authority for multiple purposes.
It is valid to 2035.