# Functions
NewCertClient returns a new certificate client.
NewCRLClient returns a new CRL client.
NewOCSPClient returns a new OCSP client.
NewTimestampClient returns a new timestamp client.
NewTimestampRequest returns a new timestamp request based on the specified options.
# Structs
CertClient represents a X.509 certificate client.
CRLClient represents a CRL (Certificate revocation list) client.
OCSPClient represents a OCSP (Online Certificate Status Protocol) client.
TimestampClient represents a RFC 3161 timestamp client.