name : certificate_transparency.py # This file is dual licensed under the terms of the Apache License, Version # 2.0, and the BSD License. See the LICENSE file in the root of this repository # for complete details. import abc import datetime from cryptography import utils class LogEntryType(utils.Enum): X509_CERTIFICATE = 0 PRE_CERTIFICATE = 1 class Version(utils.Enum): v1 = 0 class SignedCertificateTimestamp(metaclass=abc.ABCMeta): @abc.abstractproperty def version(self) -> Version: """ Returns the SCT version. """ @abc.abstractproperty def log_id(self) -> bytes: """ Returns an identifier indicating which log this SCT is for. """ @abc.abstractproperty def timestamp(self) -> datetime.datetime: """ Returns the timestamp for this SCT. """ @abc.abstractproperty def entry_type(self) -> LogEntryType: """ Returns whether this is an SCT for a certificate or pre-certificate. """