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__pycache__/	dir	-	0755	2026-08-19 08:39:33
__init__.py	file	7,980 B	0644	2026-07-20 00:00:00	edit
base.py	file	37,081 B	0644	2026-07-20 00:00:00	edit
certificate_transparency.py	file	2,261 B	0644	2026-07-20 00:00:00	edit
extensions.py	file	67,370 B	0644	2026-07-20 00:00:00	edit
general_name.py	file	7,836 B	0644	2026-07-20 00:00:00	edit
name.py	file	14,830 B	0644	2026-07-20 00:00:00	edit
ocsp.py	file	20,003 B	0644	2026-07-20 00:00:00	edit
oid.py	file	885 B	0644	2026-07-20 00:00:00	edit
verification.py	file	796 B	0644	2026-07-20 00:00:00	edit

editing: 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.

from __future__ import annotations

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):
    @property
    @abc.abstractmethod
    def version(self) -> Version:
        """
        Returns the SCT version.
        """

@property
    @abc.abstractmethod
    def log_id(self) -> bytes:
        """
        Returns an identifier indicating which log this SCT is for.
        """

@property
    @abc.abstractmethod
    def timestamp(self) -> datetime.datetime:
        """
        Returns the timestamp for this SCT.
        """

@property
    @abc.abstractmethod
    def entry_type(self) -> LogEntryType:
        """
        Returns whether this is an SCT for a certificate or pre-certificate.
        """

@property
    @abc.abstractmethod
    def signature_hash_algorithm(self) -> HashAlgorithm:
        """
        Returns the hash algorithm used for the SCT's signature.
        """

@property
    @abc.abstractmethod
    def signature_algorithm(self) -> SignatureAlgorithm:
        """
        Returns the signing algorithm used for the SCT's signature.
        """

@property
    @abc.abstractmethod
    def signature(self) -> bytes:
        """
        Returns the signature for this SCT.
        """

@property
    @abc.abstractmethod
    def extension_bytes(self) -> bytes:
        """
        Returns the raw bytes of any extensions for this SCT.
        """

SignedCertificateTimestamp.register(rust_x509.Sct)

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