Certificate Revocation List (CRL)
The CRL is a list of certificates that have been revoked before their expiration dates. By checking the CRL, customers can ensure that a certificate is still valid and hasn't been compromised.
Product Signing PGP Key
SYSGO uses a PGP (Pretty Good Privacy) key to sign their software products. Customers can download this key to verify that the software they receive is indeed from SYSGO and hasn't been tampered with.