JezK
Edit File: 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 from cryptography.hazmat.bindings._rust import x509 as rust_x509 from cryptography.hazmat.primitives.hashes import HashAlgorithm class LogEntryType(utils.Enum): X509_CERTIFICATE = 0 PRE_CERTIFICATE = 1 class Version(utils.Enum): v1 = 0 class SignatureAlgorithm(utils.Enum): """ Signature algorithms that are valid for SCTs. These are exactly the same as SignatureAlgorithm in RFC 5246 (TLS 1.2). See: <https://datatracker.ietf.org/doc/html/rfc5246#section-7.4.1.4.1> """ ANONYMOUS = 0 RSA = 1 DSA = 2 ECDSA = 3 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. """ @abc.abstractproperty def signature_hash_algorithm(self) -> HashAlgorithm: """ Returns the hash algorithm used for the SCT's signature. """ @abc.abstractproperty def signature_algorithm(self) -> SignatureAlgorithm: """ Returns the signing algorithm used for the SCT's signature. """ @abc.abstractproperty def signature(self) -> bytes: """ Returns the signature for this SCT. """ @abc.abstractproperty def extension_bytes(self) -> bytes: """ Returns the raw bytes of any extensions for this SCT. """ SignedCertificateTimestamp.register(rust_x509.Sct)