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# 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
 import hashlib
 import ipaddress
 import typing
 
 from cryptography import utils
 from cryptography.hazmat.bindings._rust import asn1
 from cryptography.hazmat.bindings._rust import x509 as rust_x509
 from cryptography.hazmat.primitives import constant_time, serialization
 from cryptography.hazmat.primitives.asymmetric.ec import EllipticCurvePublicKey
 from cryptography.hazmat.primitives.asymmetric.rsa import RSAPublicKey
 from cryptography.hazmat.primitives.asymmetric.types import (
 CertificateIssuerPublicKeyTypes,
 CertificatePublicKeyTypes,
 )
 from cryptography.x509.certificate_transparency import (
 SignedCertificateTimestamp,
 )
 from cryptography.x509.general_name import (
 DirectoryName,
 DNSName,
 GeneralName,
 IPAddress,
 OtherName,
 RegisteredID,
 RFC822Name,
 UniformResourceIdentifier,
 _IPAddressTypes,
 )
 from cryptography.x509.name import Name, RelativeDistinguishedName
 from cryptography.x509.oid import (
 CRLEntryExtensionOID,
 ExtensionOID,
 ObjectIdentifier,
 OCSPExtensionOID,
 )
 
 ExtensionTypeVar = typing.TypeVar(
 "ExtensionTypeVar", bound="ExtensionType", covariant=True
 )
 
 
 def _key_identifier_from_public_key(
 public_key: CertificatePublicKeyTypes,
 ) -> bytes:
 if isinstance(public_key, RSAPublicKey):
 data = public_key.public_bytes(
 serialization.Encoding.DER,
 serialization.PublicFormat.PKCS1,
 )
 elif isinstance(public_key, EllipticCurvePublicKey):
 data = public_key.public_bytes(
 serialization.Encoding.X962,
 serialization.PublicFormat.UncompressedPoint,
 )
 else:
 # This is a very slow way to do this.
 serialized = public_key.public_bytes(
 serialization.Encoding.DER,
 serialization.PublicFormat.SubjectPublicKeyInfo,
 )
 data = asn1.parse_spki_for_data(serialized)
 
 return hashlib.sha1(data).digest()
 
 
 def _make_sequence_methods(field_name: str):
 def len_method(self) -> int:
 return len(getattr(self, field_name))
 
 def iter_method(self):
 return iter(getattr(self, field_name))
 
 def getitem_method(self, idx):
 return getattr(self, field_name)[idx]
 
 return len_method, iter_method, getitem_method
 
 
 class DuplicateExtension(Exception):
 def __init__(self, msg: str, oid: ObjectIdentifier) -> None:
 super().__init__(msg)
 self.oid = oid
 
 
 class ExtensionNotFound(Exception):
 def __init__(self, msg: str, oid: ObjectIdentifier) -> None:
 super().__init__(msg)
 self.oid = oid
 
 
 class ExtensionType(metaclass=abc.ABCMeta):
 oid: typing.ClassVar[ObjectIdentifier]
 
 def public_bytes(self) -> bytes:
 """
 Serializes the extension type to DER.
 """
 raise NotImplementedError(
 "public_bytes is not implemented for extension type {!r}".format(
 self
 )
 )
 
 
 class Extensions:
 def __init__(
 self, extensions: typing.Iterable[Extension[ExtensionType]]
 ) -> None:
 self._extensions = list(extensions)
 
 def get_extension_for_oid(
 self, oid: ObjectIdentifier
 ) -> Extension[ExtensionType]:
 for ext in self:
 if ext.oid == oid:
 return ext
 
 raise ExtensionNotFound(f"No {oid} extension was found", oid)
 
 def get_extension_for_class(
 self, extclass: typing.Type[ExtensionTypeVar]
 ) -> Extension[ExtensionTypeVar]:
 if extclass is UnrecognizedExtension:
 raise TypeError(
 "UnrecognizedExtension can't be used with "
 "get_extension_for_class because more than one instance of the"
 " class may be present."
 )
 
 for ext in self:
 if isinstance(ext.value, extclass):
 return ext
 
 raise ExtensionNotFound(
 f"No {extclass} extension was found", extclass.oid
 )
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_extensions")
 
 def __repr__(self) -> str:
 return f"<Extensions({self._extensions})>"
 
 
 class CRLNumber(ExtensionType):
 oid = ExtensionOID.CRL_NUMBER
 
 def __init__(self, crl_number: int) -> None:
 if not isinstance(crl_number, int):
 raise TypeError("crl_number must be an integer")
 
 self._crl_number = crl_number
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, CRLNumber):
 return NotImplemented
 
 return self.crl_number == other.crl_number
 
 def __hash__(self) -> int:
 return hash(self.crl_number)
 
 def __repr__(self) -> str:
 return f"<CRLNumber({self.crl_number})>"
 
 @property
 def crl_number(self) -> int:
 return self._crl_number
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class AuthorityKeyIdentifier(ExtensionType):
 oid = ExtensionOID.AUTHORITY_KEY_IDENTIFIER
 
 def __init__(
 self,
 key_identifier: typing.Optional[bytes],
 authority_cert_issuer: typing.Optional[typing.Iterable[GeneralName]],
 authority_cert_serial_number: typing.Optional[int],
 ) -> None:
 if (authority_cert_issuer is None) != (
 authority_cert_serial_number is None
 ):
 raise ValueError(
 "authority_cert_issuer and authority_cert_serial_number "
 "must both be present or both None"
 )
 
 if authority_cert_issuer is not None:
 authority_cert_issuer = list(authority_cert_issuer)
 if not all(
 isinstance(x, GeneralName) for x in authority_cert_issuer
 ):
 raise TypeError(
 "authority_cert_issuer must be a list of GeneralName "
 "objects"
 )
 
 if authority_cert_serial_number is not None and not isinstance(
 authority_cert_serial_number, int
 ):
 raise TypeError("authority_cert_serial_number must be an integer")
 
 self._key_identifier = key_identifier
 self._authority_cert_issuer = authority_cert_issuer
 self._authority_cert_serial_number = authority_cert_serial_number
 
 # This takes a subset of CertificatePublicKeyTypes because an issuer
 # cannot have an X25519/X448 key. This introduces some unfortunate
 # asymmetry that requires typing users to explicitly
 # narrow their type, but we should make this accurate and not just
 # convenient.
 @classmethod
 def from_issuer_public_key(
 cls, public_key: CertificateIssuerPublicKeyTypes
 ) -> AuthorityKeyIdentifier:
 digest = _key_identifier_from_public_key(public_key)
 return cls(
 key_identifier=digest,
 authority_cert_issuer=None,
 authority_cert_serial_number=None,
 )
 
 @classmethod
 def from_issuer_subject_key_identifier(
 cls, ski: SubjectKeyIdentifier
 ) -> AuthorityKeyIdentifier:
 return cls(
 key_identifier=ski.digest,
 authority_cert_issuer=None,
 authority_cert_serial_number=None,
 )
 
 def __repr__(self) -> str:
 return (
 "<AuthorityKeyIdentifier(key_identifier={0.key_identifier!r}, "
 "authority_cert_issuer={0.authority_cert_issuer}, "
 "authority_cert_serial_number={0.authority_cert_serial_number}"
 ")>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, AuthorityKeyIdentifier):
 return NotImplemented
 
 return (
 self.key_identifier == other.key_identifier
 and self.authority_cert_issuer == other.authority_cert_issuer
 and self.authority_cert_serial_number
 == other.authority_cert_serial_number
 )
 
 def __hash__(self) -> int:
 if self.authority_cert_issuer is None:
 aci = None
 else:
 aci = tuple(self.authority_cert_issuer)
 return hash(
 (self.key_identifier, aci, self.authority_cert_serial_number)
 )
 
 @property
 def key_identifier(self) -> typing.Optional[bytes]:
 return self._key_identifier
 
 @property
 def authority_cert_issuer(
 self,
 ) -> typing.Optional[typing.List[GeneralName]]:
 return self._authority_cert_issuer
 
 @property
 def authority_cert_serial_number(self) -> typing.Optional[int]:
 return self._authority_cert_serial_number
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class SubjectKeyIdentifier(ExtensionType):
 oid = ExtensionOID.SUBJECT_KEY_IDENTIFIER
 
 def __init__(self, digest: bytes) -> None:
 self._digest = digest
 
 @classmethod
 def from_public_key(
 cls, public_key: CertificatePublicKeyTypes
 ) -> SubjectKeyIdentifier:
 return cls(_key_identifier_from_public_key(public_key))
 
 @property
 def digest(self) -> bytes:
 return self._digest
 
 @property
 def key_identifier(self) -> bytes:
 return self._digest
 
 def __repr__(self) -> str:
 return f"<SubjectKeyIdentifier(digest={self.digest!r})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, SubjectKeyIdentifier):
 return NotImplemented
 
 return constant_time.bytes_eq(self.digest, other.digest)
 
 def __hash__(self) -> int:
 return hash(self.digest)
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class AuthorityInformationAccess(ExtensionType):
 oid = ExtensionOID.AUTHORITY_INFORMATION_ACCESS
 
 def __init__(
 self, descriptions: typing.Iterable[AccessDescription]
 ) -> None:
 descriptions = list(descriptions)
 if not all(isinstance(x, AccessDescription) for x in descriptions):
 raise TypeError(
 "Every item in the descriptions list must be an "
 "AccessDescription"
 )
 
 self._descriptions = descriptions
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions")
 
 def __repr__(self) -> str:
 return f"<AuthorityInformationAccess({self._descriptions})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, AuthorityInformationAccess):
 return NotImplemented
 
 return self._descriptions == other._descriptions
 
 def __hash__(self) -> int:
 return hash(tuple(self._descriptions))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class SubjectInformationAccess(ExtensionType):
 oid = ExtensionOID.SUBJECT_INFORMATION_ACCESS
 
 def __init__(
 self, descriptions: typing.Iterable[AccessDescription]
 ) -> None:
 descriptions = list(descriptions)
 if not all(isinstance(x, AccessDescription) for x in descriptions):
 raise TypeError(
 "Every item in the descriptions list must be an "
 "AccessDescription"
 )
 
 self._descriptions = descriptions
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_descriptions")
 
 def __repr__(self) -> str:
 return f"<SubjectInformationAccess({self._descriptions})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, SubjectInformationAccess):
 return NotImplemented
 
 return self._descriptions == other._descriptions
 
 def __hash__(self) -> int:
 return hash(tuple(self._descriptions))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class AccessDescription:
 def __init__(
 self, access_method: ObjectIdentifier, access_location: GeneralName
 ) -> None:
 if not isinstance(access_method, ObjectIdentifier):
 raise TypeError("access_method must be an ObjectIdentifier")
 
 if not isinstance(access_location, GeneralName):
 raise TypeError("access_location must be a GeneralName")
 
 self._access_method = access_method
 self._access_location = access_location
 
 def __repr__(self) -> str:
 return (
 "<AccessDescription(access_method={0.access_method}, access_locati"
 "on={0.access_location})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, AccessDescription):
 return NotImplemented
 
 return (
 self.access_method == other.access_method
 and self.access_location == other.access_location
 )
 
 def __hash__(self) -> int:
 return hash((self.access_method, self.access_location))
 
 @property
 def access_method(self) -> ObjectIdentifier:
 return self._access_method
 
 @property
 def access_location(self) -> GeneralName:
 return self._access_location
 
 
 class BasicConstraints(ExtensionType):
 oid = ExtensionOID.BASIC_CONSTRAINTS
 
 def __init__(self, ca: bool, path_length: typing.Optional[int]) -> None:
 if not isinstance(ca, bool):
 raise TypeError("ca must be a boolean value")
 
 if path_length is not None and not ca:
 raise ValueError("path_length must be None when ca is False")
 
 if path_length is not None and (
 not isinstance(path_length, int) or path_length < 0
 ):
 raise TypeError(
 "path_length must be a non-negative integer or None"
 )
 
 self._ca = ca
 self._path_length = path_length
 
 @property
 def ca(self) -> bool:
 return self._ca
 
 @property
 def path_length(self) -> typing.Optional[int]:
 return self._path_length
 
 def __repr__(self) -> str:
 return (
 "<BasicConstraints(ca={0.ca}, " "path_length={0.path_length})>"
 ).format(self)
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, BasicConstraints):
 return NotImplemented
 
 return self.ca == other.ca and self.path_length == other.path_length
 
 def __hash__(self) -> int:
 return hash((self.ca, self.path_length))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class DeltaCRLIndicator(ExtensionType):
 oid = ExtensionOID.DELTA_CRL_INDICATOR
 
 def __init__(self, crl_number: int) -> None:
 if not isinstance(crl_number, int):
 raise TypeError("crl_number must be an integer")
 
 self._crl_number = crl_number
 
 @property
 def crl_number(self) -> int:
 return self._crl_number
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, DeltaCRLIndicator):
 return NotImplemented
 
 return self.crl_number == other.crl_number
 
 def __hash__(self) -> int:
 return hash(self.crl_number)
 
 def __repr__(self) -> str:
 return f"<DeltaCRLIndicator(crl_number={self.crl_number})>"
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class CRLDistributionPoints(ExtensionType):
 oid = ExtensionOID.CRL_DISTRIBUTION_POINTS
 
 def __init__(
 self, distribution_points: typing.Iterable[DistributionPoint]
 ) -> None:
 distribution_points = list(distribution_points)
 if not all(
 isinstance(x, DistributionPoint) for x in distribution_points
 ):
 raise TypeError(
 "distribution_points must be a list of DistributionPoint "
 "objects"
 )
 
 self._distribution_points = distribution_points
 
 __len__, __iter__, __getitem__ = _make_sequence_methods(
 "_distribution_points"
 )
 
 def __repr__(self) -> str:
 return f"<CRLDistributionPoints({self._distribution_points})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, CRLDistributionPoints):
 return NotImplemented
 
 return self._distribution_points == other._distribution_points
 
 def __hash__(self) -> int:
 return hash(tuple(self._distribution_points))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class FreshestCRL(ExtensionType):
 oid = ExtensionOID.FRESHEST_CRL
 
 def __init__(
 self, distribution_points: typing.Iterable[DistributionPoint]
 ) -> None:
 distribution_points = list(distribution_points)
 if not all(
 isinstance(x, DistributionPoint) for x in distribution_points
 ):
 raise TypeError(
 "distribution_points must be a list of DistributionPoint "
 "objects"
 )
 
 self._distribution_points = distribution_points
 
 __len__, __iter__, __getitem__ = _make_sequence_methods(
 "_distribution_points"
 )
 
 def __repr__(self) -> str:
 return f"<FreshestCRL({self._distribution_points})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, FreshestCRL):
 return NotImplemented
 
 return self._distribution_points == other._distribution_points
 
 def __hash__(self) -> int:
 return hash(tuple(self._distribution_points))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class DistributionPoint:
 def __init__(
 self,
 full_name: typing.Optional[typing.Iterable[GeneralName]],
 relative_name: typing.Optional[RelativeDistinguishedName],
 reasons: typing.Optional[typing.FrozenSet[ReasonFlags]],
 crl_issuer: typing.Optional[typing.Iterable[GeneralName]],
 ) -> None:
 if full_name and relative_name:
 raise ValueError(
 "You cannot provide both full_name and relative_name, at "
 "least one must be None."
 )
 if not full_name and not relative_name and not crl_issuer:
 raise ValueError(
 "Either full_name, relative_name or crl_issuer must be "
 "provided."
 )
 
 if full_name is not None:
 full_name = list(full_name)
 if not all(isinstance(x, GeneralName) for x in full_name):
 raise TypeError(
 "full_name must be a list of GeneralName objects"
 )
 
 if relative_name:
 if not isinstance(relative_name, RelativeDistinguishedName):
 raise TypeError(
 "relative_name must be a RelativeDistinguishedName"
 )
 
 if crl_issuer is not None:
 crl_issuer = list(crl_issuer)
 if not all(isinstance(x, GeneralName) for x in crl_issuer):
 raise TypeError(
 "crl_issuer must be None or a list of general names"
 )
 
 if reasons and (
 not isinstance(reasons, frozenset)
 or not all(isinstance(x, ReasonFlags) for x in reasons)
 ):
 raise TypeError("reasons must be None or frozenset of ReasonFlags")
 
 if reasons and (
 ReasonFlags.unspecified in reasons
 or ReasonFlags.remove_from_crl in reasons
 ):
 raise ValueError(
 "unspecified and remove_from_crl are not valid reasons in a "
 "DistributionPoint"
 )
 
 self._full_name = full_name
 self._relative_name = relative_name
 self._reasons = reasons
 self._crl_issuer = crl_issuer
 
 def __repr__(self) -> str:
 return (
 "<DistributionPoint(full_name={0.full_name}, relative_name={0.rela"
 "tive_name}, reasons={0.reasons}, "
 "crl_issuer={0.crl_issuer})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, DistributionPoint):
 return NotImplemented
 
 return (
 self.full_name == other.full_name
 and self.relative_name == other.relative_name
 and self.reasons == other.reasons
 and self.crl_issuer == other.crl_issuer
 )
 
 def __hash__(self) -> int:
 if self.full_name is not None:
 fn: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple(
 self.full_name
 )
 else:
 fn = None
 
 if self.crl_issuer is not None:
 crl_issuer: typing.Optional[
 typing.Tuple[GeneralName, ...]
 ] = tuple(self.crl_issuer)
 else:
 crl_issuer = None
 
 return hash((fn, self.relative_name, self.reasons, crl_issuer))
 
 @property
 def full_name(self) -> typing.Optional[typing.List[GeneralName]]:
 return self._full_name
 
 @property
 def relative_name(self) -> typing.Optional[RelativeDistinguishedName]:
 return self._relative_name
 
 @property
 def reasons(self) -> typing.Optional[typing.FrozenSet[ReasonFlags]]:
 return self._reasons
 
 @property
 def crl_issuer(self) -> typing.Optional[typing.List[GeneralName]]:
 return self._crl_issuer
 
 
 class ReasonFlags(utils.Enum):
 unspecified = "unspecified"
 key_compromise = "keyCompromise"
 ca_compromise = "cACompromise"
 affiliation_changed = "affiliationChanged"
 superseded = "superseded"
 cessation_of_operation = "cessationOfOperation"
 certificate_hold = "certificateHold"
 privilege_withdrawn = "privilegeWithdrawn"
 aa_compromise = "aACompromise"
 remove_from_crl = "removeFromCRL"
 
 
 # These are distribution point bit string mappings. Not to be confused with
 # CRLReason reason flags bit string mappings.
 # ReasonFlags ::= BIT STRING {
 #      unused                  (0),
 #      keyCompromise           (1),
 #      cACompromise            (2),
 #      affiliationChanged      (3),
 #      superseded              (4),
 #      cessationOfOperation    (5),
 #      certificateHold         (6),
 #      privilegeWithdrawn      (7),
 #      aACompromise            (8) }
 _REASON_BIT_MAPPING = {
 1: ReasonFlags.key_compromise,
 2: ReasonFlags.ca_compromise,
 3: ReasonFlags.affiliation_changed,
 4: ReasonFlags.superseded,
 5: ReasonFlags.cessation_of_operation,
 6: ReasonFlags.certificate_hold,
 7: ReasonFlags.privilege_withdrawn,
 8: ReasonFlags.aa_compromise,
 }
 
 _CRLREASONFLAGS = {
 ReasonFlags.key_compromise: 1,
 ReasonFlags.ca_compromise: 2,
 ReasonFlags.affiliation_changed: 3,
 ReasonFlags.superseded: 4,
 ReasonFlags.cessation_of_operation: 5,
 ReasonFlags.certificate_hold: 6,
 ReasonFlags.privilege_withdrawn: 7,
 ReasonFlags.aa_compromise: 8,
 }
 
 
 class PolicyConstraints(ExtensionType):
 oid = ExtensionOID.POLICY_CONSTRAINTS
 
 def __init__(
 self,
 require_explicit_policy: typing.Optional[int],
 inhibit_policy_mapping: typing.Optional[int],
 ) -> None:
 if require_explicit_policy is not None and not isinstance(
 require_explicit_policy, int
 ):
 raise TypeError(
 "require_explicit_policy must be a non-negative integer or "
 "None"
 )
 
 if inhibit_policy_mapping is not None and not isinstance(
 inhibit_policy_mapping, int
 ):
 raise TypeError(
 "inhibit_policy_mapping must be a non-negative integer or None"
 )
 
 if inhibit_policy_mapping is None and require_explicit_policy is None:
 raise ValueError(
 "At least one of require_explicit_policy and "
 "inhibit_policy_mapping must not be None"
 )
 
 self._require_explicit_policy = require_explicit_policy
 self._inhibit_policy_mapping = inhibit_policy_mapping
 
 def __repr__(self) -> str:
 return (
 "<PolicyConstraints(require_explicit_policy={0.require_explicit"
 "_policy}, inhibit_policy_mapping={0.inhibit_policy_"
 "mapping})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, PolicyConstraints):
 return NotImplemented
 
 return (
 self.require_explicit_policy == other.require_explicit_policy
 and self.inhibit_policy_mapping == other.inhibit_policy_mapping
 )
 
 def __hash__(self) -> int:
 return hash(
 (self.require_explicit_policy, self.inhibit_policy_mapping)
 )
 
 @property
 def require_explicit_policy(self) -> typing.Optional[int]:
 return self._require_explicit_policy
 
 @property
 def inhibit_policy_mapping(self) -> typing.Optional[int]:
 return self._inhibit_policy_mapping
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class CertificatePolicies(ExtensionType):
 oid = ExtensionOID.CERTIFICATE_POLICIES
 
 def __init__(self, policies: typing.Iterable[PolicyInformation]) -> None:
 policies = list(policies)
 if not all(isinstance(x, PolicyInformation) for x in policies):
 raise TypeError(
 "Every item in the policies list must be a "
 "PolicyInformation"
 )
 
 self._policies = policies
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_policies")
 
 def __repr__(self) -> str:
 return f"<CertificatePolicies({self._policies})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, CertificatePolicies):
 return NotImplemented
 
 return self._policies == other._policies
 
 def __hash__(self) -> int:
 return hash(tuple(self._policies))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class PolicyInformation:
 def __init__(
 self,
 policy_identifier: ObjectIdentifier,
 policy_qualifiers: typing.Optional[
 typing.Iterable[typing.Union[str, UserNotice]]
 ],
 ) -> None:
 if not isinstance(policy_identifier, ObjectIdentifier):
 raise TypeError("policy_identifier must be an ObjectIdentifier")
 
 self._policy_identifier = policy_identifier
 
 if policy_qualifiers is not None:
 policy_qualifiers = list(policy_qualifiers)
 if not all(
 isinstance(x, (str, UserNotice)) for x in policy_qualifiers
 ):
 raise TypeError(
 "policy_qualifiers must be a list of strings and/or "
 "UserNotice objects or None"
 )
 
 self._policy_qualifiers = policy_qualifiers
 
 def __repr__(self) -> str:
 return (
 "<PolicyInformation(policy_identifier={0.policy_identifier}, polic"
 "y_qualifiers={0.policy_qualifiers})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, PolicyInformation):
 return NotImplemented
 
 return (
 self.policy_identifier == other.policy_identifier
 and self.policy_qualifiers == other.policy_qualifiers
 )
 
 def __hash__(self) -> int:
 if self.policy_qualifiers is not None:
 pq: typing.Optional[
 typing.Tuple[typing.Union[str, UserNotice], ...]
 ] = tuple(self.policy_qualifiers)
 else:
 pq = None
 
 return hash((self.policy_identifier, pq))
 
 @property
 def policy_identifier(self) -> ObjectIdentifier:
 return self._policy_identifier
 
 @property
 def policy_qualifiers(
 self,
 ) -> typing.Optional[typing.List[typing.Union[str, UserNotice]]]:
 return self._policy_qualifiers
 
 
 class UserNotice:
 def __init__(
 self,
 notice_reference: typing.Optional[NoticeReference],
 explicit_text: typing.Optional[str],
 ) -> None:
 if notice_reference and not isinstance(
 notice_reference, NoticeReference
 ):
 raise TypeError(
 "notice_reference must be None or a NoticeReference"
 )
 
 self._notice_reference = notice_reference
 self._explicit_text = explicit_text
 
 def __repr__(self) -> str:
 return (
 "<UserNotice(notice_reference={0.notice_reference}, explicit_text="
 "{0.explicit_text!r})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, UserNotice):
 return NotImplemented
 
 return (
 self.notice_reference == other.notice_reference
 and self.explicit_text == other.explicit_text
 )
 
 def __hash__(self) -> int:
 return hash((self.notice_reference, self.explicit_text))
 
 @property
 def notice_reference(self) -> typing.Optional[NoticeReference]:
 return self._notice_reference
 
 @property
 def explicit_text(self) -> typing.Optional[str]:
 return self._explicit_text
 
 
 class NoticeReference:
 def __init__(
 self,
 organization: typing.Optional[str],
 notice_numbers: typing.Iterable[int],
 ) -> None:
 self._organization = organization
 notice_numbers = list(notice_numbers)
 if not all(isinstance(x, int) for x in notice_numbers):
 raise TypeError("notice_numbers must be a list of integers")
 
 self._notice_numbers = notice_numbers
 
 def __repr__(self) -> str:
 return (
 "<NoticeReference(organization={0.organization!r}, notice_numbers="
 "{0.notice_numbers})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, NoticeReference):
 return NotImplemented
 
 return (
 self.organization == other.organization
 and self.notice_numbers == other.notice_numbers
 )
 
 def __hash__(self) -> int:
 return hash((self.organization, tuple(self.notice_numbers)))
 
 @property
 def organization(self) -> typing.Optional[str]:
 return self._organization
 
 @property
 def notice_numbers(self) -> typing.List[int]:
 return self._notice_numbers
 
 
 class ExtendedKeyUsage(ExtensionType):
 oid = ExtensionOID.EXTENDED_KEY_USAGE
 
 def __init__(self, usages: typing.Iterable[ObjectIdentifier]) -> None:
 usages = list(usages)
 if not all(isinstance(x, ObjectIdentifier) for x in usages):
 raise TypeError(
 "Every item in the usages list must be an ObjectIdentifier"
 )
 
 self._usages = usages
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_usages")
 
 def __repr__(self) -> str:
 return f"<ExtendedKeyUsage({self._usages})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, ExtendedKeyUsage):
 return NotImplemented
 
 return self._usages == other._usages
 
 def __hash__(self) -> int:
 return hash(tuple(self._usages))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class OCSPNoCheck(ExtensionType):
 oid = ExtensionOID.OCSP_NO_CHECK
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, OCSPNoCheck):
 return NotImplemented
 
 return True
 
 def __hash__(self) -> int:
 return hash(OCSPNoCheck)
 
 def __repr__(self) -> str:
 return "<OCSPNoCheck()>"
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class PrecertPoison(ExtensionType):
 oid = ExtensionOID.PRECERT_POISON
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, PrecertPoison):
 return NotImplemented
 
 return True
 
 def __hash__(self) -> int:
 return hash(PrecertPoison)
 
 def __repr__(self) -> str:
 return "<PrecertPoison()>"
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class TLSFeature(ExtensionType):
 oid = ExtensionOID.TLS_FEATURE
 
 def __init__(self, features: typing.Iterable[TLSFeatureType]) -> None:
 features = list(features)
 if (
 not all(isinstance(x, TLSFeatureType) for x in features)
 or len(features) == 0
 ):
 raise TypeError(
 "features must be a list of elements from the TLSFeatureType "
 "enum"
 )
 
 self._features = features
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_features")
 
 def __repr__(self) -> str:
 return f"<TLSFeature(features={self._features})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, TLSFeature):
 return NotImplemented
 
 return self._features == other._features
 
 def __hash__(self) -> int:
 return hash(tuple(self._features))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class TLSFeatureType(utils.Enum):
 # status_request is defined in RFC 6066 and is used for what is commonly
 # called OCSP Must-Staple when present in the TLS Feature extension in an
 # X.509 certificate.
 status_request = 5
 # status_request_v2 is defined in RFC 6961 and allows multiple OCSP
 # responses to be provided. It is not currently in use by clients or
 # servers.
 status_request_v2 = 17
 
 
 _TLS_FEATURE_TYPE_TO_ENUM = {x.value: x for x in TLSFeatureType}
 
 
 class InhibitAnyPolicy(ExtensionType):
 oid = ExtensionOID.INHIBIT_ANY_POLICY
 
 def __init__(self, skip_certs: int) -> None:
 if not isinstance(skip_certs, int):
 raise TypeError("skip_certs must be an integer")
 
 if skip_certs < 0:
 raise ValueError("skip_certs must be a non-negative integer")
 
 self._skip_certs = skip_certs
 
 def __repr__(self) -> str:
 return f"<InhibitAnyPolicy(skip_certs={self.skip_certs})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, InhibitAnyPolicy):
 return NotImplemented
 
 return self.skip_certs == other.skip_certs
 
 def __hash__(self) -> int:
 return hash(self.skip_certs)
 
 @property
 def skip_certs(self) -> int:
 return self._skip_certs
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class KeyUsage(ExtensionType):
 oid = ExtensionOID.KEY_USAGE
 
 def __init__(
 self,
 digital_signature: bool,
 content_commitment: bool,
 key_encipherment: bool,
 data_encipherment: bool,
 key_agreement: bool,
 key_cert_sign: bool,
 crl_sign: bool,
 encipher_only: bool,
 decipher_only: bool,
 ) -> None:
 if not key_agreement and (encipher_only or decipher_only):
 raise ValueError(
 "encipher_only and decipher_only can only be true when "
 "key_agreement is true"
 )
 
 self._digital_signature = digital_signature
 self._content_commitment = content_commitment
 self._key_encipherment = key_encipherment
 self._data_encipherment = data_encipherment
 self._key_agreement = key_agreement
 self._key_cert_sign = key_cert_sign
 self._crl_sign = crl_sign
 self._encipher_only = encipher_only
 self._decipher_only = decipher_only
 
 @property
 def digital_signature(self) -> bool:
 return self._digital_signature
 
 @property
 def content_commitment(self) -> bool:
 return self._content_commitment
 
 @property
 def key_encipherment(self) -> bool:
 return self._key_encipherment
 
 @property
 def data_encipherment(self) -> bool:
 return self._data_encipherment
 
 @property
 def key_agreement(self) -> bool:
 return self._key_agreement
 
 @property
 def key_cert_sign(self) -> bool:
 return self._key_cert_sign
 
 @property
 def crl_sign(self) -> bool:
 return self._crl_sign
 
 @property
 def encipher_only(self) -> bool:
 if not self.key_agreement:
 raise ValueError(
 "encipher_only is undefined unless key_agreement is true"
 )
 else:
 return self._encipher_only
 
 @property
 def decipher_only(self) -> bool:
 if not self.key_agreement:
 raise ValueError(
 "decipher_only is undefined unless key_agreement is true"
 )
 else:
 return self._decipher_only
 
 def __repr__(self) -> str:
 try:
 encipher_only = self.encipher_only
 decipher_only = self.decipher_only
 except ValueError:
 # Users found None confusing because even though encipher/decipher
 # have no meaning unless key_agreement is true, to construct an
 # instance of the class you still need to pass False.
 encipher_only = False
 decipher_only = False
 
 return (
 "<KeyUsage(digital_signature={0.digital_signature}, "
 "content_commitment={0.content_commitment}, "
 "key_encipherment={0.key_encipherment}, "
 "data_encipherment={0.data_encipherment}, "
 "key_agreement={0.key_agreement}, "
 "key_cert_sign={0.key_cert_sign}, crl_sign={0.crl_sign}, "
 "encipher_only={1}, decipher_only={2})>"
 ).format(self, encipher_only, decipher_only)
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, KeyUsage):
 return NotImplemented
 
 return (
 self.digital_signature == other.digital_signature
 and self.content_commitment == other.content_commitment
 and self.key_encipherment == other.key_encipherment
 and self.data_encipherment == other.data_encipherment
 and self.key_agreement == other.key_agreement
 and self.key_cert_sign == other.key_cert_sign
 and self.crl_sign == other.crl_sign
 and self._encipher_only == other._encipher_only
 and self._decipher_only == other._decipher_only
 )
 
 def __hash__(self) -> int:
 return hash(
 (
 self.digital_signature,
 self.content_commitment,
 self.key_encipherment,
 self.data_encipherment,
 self.key_agreement,
 self.key_cert_sign,
 self.crl_sign,
 self._encipher_only,
 self._decipher_only,
 )
 )
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class NameConstraints(ExtensionType):
 oid = ExtensionOID.NAME_CONSTRAINTS
 
 def __init__(
 self,
 permitted_subtrees: typing.Optional[typing.Iterable[GeneralName]],
 excluded_subtrees: typing.Optional[typing.Iterable[GeneralName]],
 ) -> None:
 if permitted_subtrees is not None:
 permitted_subtrees = list(permitted_subtrees)
 if not permitted_subtrees:
 raise ValueError(
 "permitted_subtrees must be a non-empty list or None"
 )
 if not all(isinstance(x, GeneralName) for x in permitted_subtrees):
 raise TypeError(
 "permitted_subtrees must be a list of GeneralName objects "
 "or None"
 )
 
 self._validate_tree(permitted_subtrees)
 
 if excluded_subtrees is not None:
 excluded_subtrees = list(excluded_subtrees)
 if not excluded_subtrees:
 raise ValueError(
 "excluded_subtrees must be a non-empty list or None"
 )
 if not all(isinstance(x, GeneralName) for x in excluded_subtrees):
 raise TypeError(
 "excluded_subtrees must be a list of GeneralName objects "
 "or None"
 )
 
 self._validate_tree(excluded_subtrees)
 
 if permitted_subtrees is None and excluded_subtrees is None:
 raise ValueError(
 "At least one of permitted_subtrees and excluded_subtrees "
 "must not be None"
 )
 
 self._permitted_subtrees = permitted_subtrees
 self._excluded_subtrees = excluded_subtrees
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, NameConstraints):
 return NotImplemented
 
 return (
 self.excluded_subtrees == other.excluded_subtrees
 and self.permitted_subtrees == other.permitted_subtrees
 )
 
 def _validate_tree(self, tree: typing.Iterable[GeneralName]) -> None:
 self._validate_ip_name(tree)
 self._validate_dns_name(tree)
 
 def _validate_ip_name(self, tree: typing.Iterable[GeneralName]) -> None:
 if any(
 isinstance(name, IPAddress)
 and not isinstance(
 name.value, (ipaddress.IPv4Network, ipaddress.IPv6Network)
 )
 for name in tree
 ):
 raise TypeError(
 "IPAddress name constraints must be an IPv4Network or"
 " IPv6Network object"
 )
 
 def _validate_dns_name(self, tree: typing.Iterable[GeneralName]) -> None:
 if any(
 isinstance(name, DNSName) and "*" in name.value for name in tree
 ):
 raise ValueError(
 "DNSName name constraints must not contain the '*' wildcard"
 " character"
 )
 
 def __repr__(self) -> str:
 return (
 "<NameConstraints(permitted_subtrees={0.permitted_subtrees}, "
 "excluded_subtrees={0.excluded_subtrees})>".format(self)
 )
 
 def __hash__(self) -> int:
 if self.permitted_subtrees is not None:
 ps: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple(
 self.permitted_subtrees
 )
 else:
 ps = None
 
 if self.excluded_subtrees is not None:
 es: typing.Optional[typing.Tuple[GeneralName, ...]] = tuple(
 self.excluded_subtrees
 )
 else:
 es = None
 
 return hash((ps, es))
 
 @property
 def permitted_subtrees(
 self,
 ) -> typing.Optional[typing.List[GeneralName]]:
 return self._permitted_subtrees
 
 @property
 def excluded_subtrees(
 self,
 ) -> typing.Optional[typing.List[GeneralName]]:
 return self._excluded_subtrees
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class Extension(typing.Generic[ExtensionTypeVar]):
 def __init__(
 self, oid: ObjectIdentifier, critical: bool, value: ExtensionTypeVar
 ) -> None:
 if not isinstance(oid, ObjectIdentifier):
 raise TypeError(
 "oid argument must be an ObjectIdentifier instance."
 )
 
 if not isinstance(critical, bool):
 raise TypeError("critical must be a boolean value")
 
 self._oid = oid
 self._critical = critical
 self._value = value
 
 @property
 def oid(self) -> ObjectIdentifier:
 return self._oid
 
 @property
 def critical(self) -> bool:
 return self._critical
 
 @property
 def value(self) -> ExtensionTypeVar:
 return self._value
 
 def __repr__(self) -> str:
 return (
 "<Extension(oid={0.oid}, critical={0.critical}, "
 "value={0.value})>"
 ).format(self)
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, Extension):
 return NotImplemented
 
 return (
 self.oid == other.oid
 and self.critical == other.critical
 and self.value == other.value
 )
 
 def __hash__(self) -> int:
 return hash((self.oid, self.critical, self.value))
 
 
 class GeneralNames:
 def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
 general_names = list(general_names)
 if not all(isinstance(x, GeneralName) for x in general_names):
 raise TypeError(
 "Every item in the general_names list must be an "
 "object conforming to the GeneralName interface"
 )
 
 self._general_names = general_names
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[UniformResourceIdentifier],
 typing.Type[RFC822Name],
 ],
 ) -> typing.List[str]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[DirectoryName],
 ) -> typing.List[Name]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[RegisteredID],
 ) -> typing.List[ObjectIdentifier]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[IPAddress]
 ) -> typing.List[_IPAddressTypes]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[OtherName]
 ) -> typing.List[OtherName]:
 ...
 
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[DirectoryName],
 typing.Type[IPAddress],
 typing.Type[OtherName],
 typing.Type[RFC822Name],
 typing.Type[RegisteredID],
 typing.Type[UniformResourceIdentifier],
 ],
 ) -> typing.Union[
 typing.List[_IPAddressTypes],
 typing.List[str],
 typing.List[OtherName],
 typing.List[Name],
 typing.List[ObjectIdentifier],
 ]:
 # Return the value of each GeneralName, except for OtherName instances
 # which we return directly because it has two important properties not
 # just one value.
 objs = (i for i in self if isinstance(i, type))
 if type != OtherName:
 return [i.value for i in objs]
 return list(objs)
 
 def __repr__(self) -> str:
 return f"<GeneralNames({self._general_names})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, GeneralNames):
 return NotImplemented
 
 return self._general_names == other._general_names
 
 def __hash__(self) -> int:
 return hash(tuple(self._general_names))
 
 
 class SubjectAlternativeName(ExtensionType):
 oid = ExtensionOID.SUBJECT_ALTERNATIVE_NAME
 
 def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
 self._general_names = GeneralNames(general_names)
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[UniformResourceIdentifier],
 typing.Type[RFC822Name],
 ],
 ) -> typing.List[str]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[DirectoryName],
 ) -> typing.List[Name]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[RegisteredID],
 ) -> typing.List[ObjectIdentifier]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[IPAddress]
 ) -> typing.List[_IPAddressTypes]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[OtherName]
 ) -> typing.List[OtherName]:
 ...
 
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[DirectoryName],
 typing.Type[IPAddress],
 typing.Type[OtherName],
 typing.Type[RFC822Name],
 typing.Type[RegisteredID],
 typing.Type[UniformResourceIdentifier],
 ],
 ) -> typing.Union[
 typing.List[_IPAddressTypes],
 typing.List[str],
 typing.List[OtherName],
 typing.List[Name],
 typing.List[ObjectIdentifier],
 ]:
 return self._general_names.get_values_for_type(type)
 
 def __repr__(self) -> str:
 return f"<SubjectAlternativeName({self._general_names})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, SubjectAlternativeName):
 return NotImplemented
 
 return self._general_names == other._general_names
 
 def __hash__(self) -> int:
 return hash(self._general_names)
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class IssuerAlternativeName(ExtensionType):
 oid = ExtensionOID.ISSUER_ALTERNATIVE_NAME
 
 def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
 self._general_names = GeneralNames(general_names)
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[UniformResourceIdentifier],
 typing.Type[RFC822Name],
 ],
 ) -> typing.List[str]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[DirectoryName],
 ) -> typing.List[Name]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[RegisteredID],
 ) -> typing.List[ObjectIdentifier]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[IPAddress]
 ) -> typing.List[_IPAddressTypes]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[OtherName]
 ) -> typing.List[OtherName]:
 ...
 
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[DirectoryName],
 typing.Type[IPAddress],
 typing.Type[OtherName],
 typing.Type[RFC822Name],
 typing.Type[RegisteredID],
 typing.Type[UniformResourceIdentifier],
 ],
 ) -> typing.Union[
 typing.List[_IPAddressTypes],
 typing.List[str],
 typing.List[OtherName],
 typing.List[Name],
 typing.List[ObjectIdentifier],
 ]:
 return self._general_names.get_values_for_type(type)
 
 def __repr__(self) -> str:
 return f"<IssuerAlternativeName({self._general_names})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, IssuerAlternativeName):
 return NotImplemented
 
 return self._general_names == other._general_names
 
 def __hash__(self) -> int:
 return hash(self._general_names)
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class CertificateIssuer(ExtensionType):
 oid = CRLEntryExtensionOID.CERTIFICATE_ISSUER
 
 def __init__(self, general_names: typing.Iterable[GeneralName]) -> None:
 self._general_names = GeneralNames(general_names)
 
 __len__, __iter__, __getitem__ = _make_sequence_methods("_general_names")
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[UniformResourceIdentifier],
 typing.Type[RFC822Name],
 ],
 ) -> typing.List[str]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[DirectoryName],
 ) -> typing.List[Name]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self,
 type: typing.Type[RegisteredID],
 ) -> typing.List[ObjectIdentifier]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[IPAddress]
 ) -> typing.List[_IPAddressTypes]:
 ...
 
 @typing.overload
 def get_values_for_type(
 self, type: typing.Type[OtherName]
 ) -> typing.List[OtherName]:
 ...
 
 def get_values_for_type(
 self,
 type: typing.Union[
 typing.Type[DNSName],
 typing.Type[DirectoryName],
 typing.Type[IPAddress],
 typing.Type[OtherName],
 typing.Type[RFC822Name],
 typing.Type[RegisteredID],
 typing.Type[UniformResourceIdentifier],
 ],
 ) -> typing.Union[
 typing.List[_IPAddressTypes],
 typing.List[str],
 typing.List[OtherName],
 typing.List[Name],
 typing.List[ObjectIdentifier],
 ]:
 return self._general_names.get_values_for_type(type)
 
 def __repr__(self) -> str:
 return f"<CertificateIssuer({self._general_names})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, CertificateIssuer):
 return NotImplemented
 
 return self._general_names == other._general_names
 
 def __hash__(self) -> int:
 return hash(self._general_names)
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class CRLReason(ExtensionType):
 oid = CRLEntryExtensionOID.CRL_REASON
 
 def __init__(self, reason: ReasonFlags) -> None:
 if not isinstance(reason, ReasonFlags):
 raise TypeError("reason must be an element from ReasonFlags")
 
 self._reason = reason
 
 def __repr__(self) -> str:
 return f"<CRLReason(reason={self._reason})>"
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, CRLReason):
 return NotImplemented
 
 return self.reason == other.reason
 
 def __hash__(self) -> int:
 return hash(self.reason)
 
 @property
 def reason(self) -> ReasonFlags:
 return self._reason
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class InvalidityDate(ExtensionType):
 oid = CRLEntryExtensionOID.INVALIDITY_DATE
 
 def __init__(self, invalidity_date: datetime.datetime) -> None:
 if not isinstance(invalidity_date, datetime.datetime):
 raise TypeError("invalidity_date must be a datetime.datetime")
 
 self._invalidity_date = invalidity_date
 
 def __repr__(self) -> str:
 return "<InvalidityDate(invalidity_date={})>".format(
 self._invalidity_date
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, InvalidityDate):
 return NotImplemented
 
 return self.invalidity_date == other.invalidity_date
 
 def __hash__(self) -> int:
 return hash(self.invalidity_date)
 
 @property
 def invalidity_date(self) -> datetime.datetime:
 return self._invalidity_date
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class PrecertificateSignedCertificateTimestamps(ExtensionType):
 oid = ExtensionOID.PRECERT_SIGNED_CERTIFICATE_TIMESTAMPS
 
 def __init__(
 self,
 signed_certificate_timestamps: typing.Iterable[
 SignedCertificateTimestamp
 ],
 ) -> None:
 signed_certificate_timestamps = list(signed_certificate_timestamps)
 if not all(
 isinstance(sct, SignedCertificateTimestamp)
 for sct in signed_certificate_timestamps
 ):
 raise TypeError(
 "Every item in the signed_certificate_timestamps list must be "
 "a SignedCertificateTimestamp"
 )
 self._signed_certificate_timestamps = signed_certificate_timestamps
 
 __len__, __iter__, __getitem__ = _make_sequence_methods(
 "_signed_certificate_timestamps"
 )
 
 def __repr__(self) -> str:
 return "<PrecertificateSignedCertificateTimestamps({})>".format(
 list(self)
 )
 
 def __hash__(self) -> int:
 return hash(tuple(self._signed_certificate_timestamps))
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, PrecertificateSignedCertificateTimestamps):
 return NotImplemented
 
 return (
 self._signed_certificate_timestamps
 == other._signed_certificate_timestamps
 )
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class SignedCertificateTimestamps(ExtensionType):
 oid = ExtensionOID.SIGNED_CERTIFICATE_TIMESTAMPS
 
 def __init__(
 self,
 signed_certificate_timestamps: typing.Iterable[
 SignedCertificateTimestamp
 ],
 ) -> None:
 signed_certificate_timestamps = list(signed_certificate_timestamps)
 if not all(
 isinstance(sct, SignedCertificateTimestamp)
 for sct in signed_certificate_timestamps
 ):
 raise TypeError(
 "Every item in the signed_certificate_timestamps list must be "
 "a SignedCertificateTimestamp"
 )
 self._signed_certificate_timestamps = signed_certificate_timestamps
 
 __len__, __iter__, __getitem__ = _make_sequence_methods(
 "_signed_certificate_timestamps"
 )
 
 def __repr__(self) -> str:
 return f"<SignedCertificateTimestamps({list(self)})>"
 
 def __hash__(self) -> int:
 return hash(tuple(self._signed_certificate_timestamps))
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, SignedCertificateTimestamps):
 return NotImplemented
 
 return (
 self._signed_certificate_timestamps
 == other._signed_certificate_timestamps
 )
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class OCSPNonce(ExtensionType):
 oid = OCSPExtensionOID.NONCE
 
 def __init__(self, nonce: bytes) -> None:
 if not isinstance(nonce, bytes):
 raise TypeError("nonce must be bytes")
 
 self._nonce = nonce
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, OCSPNonce):
 return NotImplemented
 
 return self.nonce == other.nonce
 
 def __hash__(self) -> int:
 return hash(self.nonce)
 
 def __repr__(self) -> str:
 return f"<OCSPNonce(nonce={self.nonce!r})>"
 
 @property
 def nonce(self) -> bytes:
 return self._nonce
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class OCSPAcceptableResponses(ExtensionType):
 oid = OCSPExtensionOID.ACCEPTABLE_RESPONSES
 
 def __init__(self, responses: typing.Iterable[ObjectIdentifier]) -> None:
 responses = list(responses)
 if any(not isinstance(r, ObjectIdentifier) for r in responses):
 raise TypeError("All responses must be ObjectIdentifiers")
 
 self._responses = responses
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, OCSPAcceptableResponses):
 return NotImplemented
 
 return self._responses == other._responses
 
 def __hash__(self) -> int:
 return hash(tuple(self._responses))
 
 def __repr__(self) -> str:
 return f"<OCSPAcceptableResponses(responses={self._responses})>"
 
 def __iter__(self) -> typing.Iterator[ObjectIdentifier]:
 return iter(self._responses)
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class IssuingDistributionPoint(ExtensionType):
 oid = ExtensionOID.ISSUING_DISTRIBUTION_POINT
 
 def __init__(
 self,
 full_name: typing.Optional[typing.Iterable[GeneralName]],
 relative_name: typing.Optional[RelativeDistinguishedName],
 only_contains_user_certs: bool,
 only_contains_ca_certs: bool,
 only_some_reasons: typing.Optional[typing.FrozenSet[ReasonFlags]],
 indirect_crl: bool,
 only_contains_attribute_certs: bool,
 ) -> None:
 if full_name is not None:
 full_name = list(full_name)
 
 if only_some_reasons and (
 not isinstance(only_some_reasons, frozenset)
 or not all(isinstance(x, ReasonFlags) for x in only_some_reasons)
 ):
 raise TypeError(
 "only_some_reasons must be None or frozenset of ReasonFlags"
 )
 
 if only_some_reasons and (
 ReasonFlags.unspecified in only_some_reasons
 or ReasonFlags.remove_from_crl in only_some_reasons
 ):
 raise ValueError(
 "unspecified and remove_from_crl are not valid reasons in an "
 "IssuingDistributionPoint"
 )
 
 if not (
 isinstance(only_contains_user_certs, bool)
 and isinstance(only_contains_ca_certs, bool)
 and isinstance(indirect_crl, bool)
 and isinstance(only_contains_attribute_certs, bool)
 ):
 raise TypeError(
 "only_contains_user_certs, only_contains_ca_certs, "
 "indirect_crl and only_contains_attribute_certs "
 "must all be boolean."
 )
 
 crl_constraints = [
 only_contains_user_certs,
 only_contains_ca_certs,
 indirect_crl,
 only_contains_attribute_certs,
 ]
 
 if len([x for x in crl_constraints if x]) > 1:
 raise ValueError(
 "Only one of the following can be set to True: "
 "only_contains_user_certs, only_contains_ca_certs, "
 "indirect_crl, only_contains_attribute_certs"
 )
 
 if not any(
 [
 only_contains_user_certs,
 only_contains_ca_certs,
 indirect_crl,
 only_contains_attribute_certs,
 full_name,
 relative_name,
 only_some_reasons,
 ]
 ):
 raise ValueError(
 "Cannot create empty extension: "
 "if only_contains_user_certs, only_contains_ca_certs, "
 "indirect_crl, and only_contains_attribute_certs are all False"
 ", then either full_name, relative_name, or only_some_reasons "
 "must have a value."
 )
 
 self._only_contains_user_certs = only_contains_user_certs
 self._only_contains_ca_certs = only_contains_ca_certs
 self._indirect_crl = indirect_crl
 self._only_contains_attribute_certs = only_contains_attribute_certs
 self._only_some_reasons = only_some_reasons
 self._full_name = full_name
 self._relative_name = relative_name
 
 def __repr__(self) -> str:
 return (
 "<IssuingDistributionPoint(full_name={0.full_name}, "
 "relative_name={0.relative_name}, "
 "only_contains_user_certs={0.only_contains_user_certs}, "
 "only_contains_ca_certs={0.only_contains_ca_certs}, "
 "only_some_reasons={0.only_some_reasons}, "
 "indirect_crl={0.indirect_crl}, "
 "only_contains_attribute_certs="
 "{0.only_contains_attribute_certs})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, IssuingDistributionPoint):
 return NotImplemented
 
 return (
 self.full_name == other.full_name
 and self.relative_name == other.relative_name
 and self.only_contains_user_certs == other.only_contains_user_certs
 and self.only_contains_ca_certs == other.only_contains_ca_certs
 and self.only_some_reasons == other.only_some_reasons
 and self.indirect_crl == other.indirect_crl
 and self.only_contains_attribute_certs
 == other.only_contains_attribute_certs
 )
 
 def __hash__(self) -> int:
 return hash(
 (
 self.full_name,
 self.relative_name,
 self.only_contains_user_certs,
 self.only_contains_ca_certs,
 self.only_some_reasons,
 self.indirect_crl,
 self.only_contains_attribute_certs,
 )
 )
 
 @property
 def full_name(self) -> typing.Optional[typing.List[GeneralName]]:
 return self._full_name
 
 @property
 def relative_name(self) -> typing.Optional[RelativeDistinguishedName]:
 return self._relative_name
 
 @property
 def only_contains_user_certs(self) -> bool:
 return self._only_contains_user_certs
 
 @property
 def only_contains_ca_certs(self) -> bool:
 return self._only_contains_ca_certs
 
 @property
 def only_some_reasons(
 self,
 ) -> typing.Optional[typing.FrozenSet[ReasonFlags]]:
 return self._only_some_reasons
 
 @property
 def indirect_crl(self) -> bool:
 return self._indirect_crl
 
 @property
 def only_contains_attribute_certs(self) -> bool:
 return self._only_contains_attribute_certs
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class MSCertificateTemplate(ExtensionType):
 oid = ExtensionOID.MS_CERTIFICATE_TEMPLATE
 
 def __init__(
 self,
 template_id: ObjectIdentifier,
 major_version: typing.Optional[int],
 minor_version: typing.Optional[int],
 ) -> None:
 if not isinstance(template_id, ObjectIdentifier):
 raise TypeError("oid must be an ObjectIdentifier")
 self._template_id = template_id
 if (
 major_version is not None and not isinstance(major_version, int)
 ) or (
 minor_version is not None and not isinstance(minor_version, int)
 ):
 raise TypeError(
 "major_version and minor_version must be integers or None"
 )
 self._major_version = major_version
 self._minor_version = minor_version
 
 @property
 def template_id(self) -> ObjectIdentifier:
 return self._template_id
 
 @property
 def major_version(self) -> typing.Optional[int]:
 return self._major_version
 
 @property
 def minor_version(self) -> typing.Optional[int]:
 return self._minor_version
 
 def __repr__(self) -> str:
 return (
 f"<MSCertificateTemplate(template_id={self.template_id}, "
 f"major_version={self.major_version}, "
 f"minor_version={self.minor_version})>"
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, MSCertificateTemplate):
 return NotImplemented
 
 return (
 self.template_id == other.template_id
 and self.major_version == other.major_version
 and self.minor_version == other.minor_version
 )
 
 def __hash__(self) -> int:
 return hash((self.template_id, self.major_version, self.minor_version))
 
 def public_bytes(self) -> bytes:
 return rust_x509.encode_extension_value(self)
 
 
 class UnrecognizedExtension(ExtensionType):
 def __init__(self, oid: ObjectIdentifier, value: bytes) -> None:
 if not isinstance(oid, ObjectIdentifier):
 raise TypeError("oid must be an ObjectIdentifier")
 self._oid = oid
 self._value = value
 
 @property
 def oid(self) -> ObjectIdentifier:  # type: ignore[override]
 return self._oid
 
 @property
 def value(self) -> bytes:
 return self._value
 
 def __repr__(self) -> str:
 return (
 "<UnrecognizedExtension(oid={0.oid}, "
 "value={0.value!r})>".format(self)
 )
 
 def __eq__(self, other: object) -> bool:
 if not isinstance(other, UnrecognizedExtension):
 return NotImplemented
 
 return self.oid == other.oid and self.value == other.value
 
 def __hash__(self) -> int:
 return hash((self.oid, self.value))
 
 def public_bytes(self) -> bytes:
 return self.value
 
 |