Returns time when this timestamp token was created. If status is GRANTED or GRANTED_WITH_MODS, this is never nil.
Set the message imprint digest.
Returns the message imprint (digest) of the data to be timestamped.
Ensures that :SSLCertificate and :SSLPrivateKey have been provided or that a new certificate is generated with the other parameters provided.
Verifies that data matches the signature created by public_key and the digest algorithm.
Update RubyGems software to the latest version.