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class SeqChoice(core.Choice):
_alternatives = [
('one', CopySeq, {'explicit': 0}),
('two', CopySeq, {'implicit': 1}),
]
class SeqChoiceOldApi(core.Choice):
_alternatives = [
('one', CopySeq, {'tag_type': 'explicit', 'tag': 0}),
('two', CopySeq, {'tag_type': 'implicit', 'tag': 1}),
]
class ChoiceChoice(core.Choice):
_alternatives = [
('num', NumChoice, {'explicit': 0}),
('seq', SeqChoice, {'explicit': 1}),
]
class CCSeq(core.Sequence):
_fields = [
('cc', ChoiceChoice)
]
class ExplicitField(core.Sequence):
_fields = [
('field', NumChoice, {'tag_type': 'explicit', 'tag': 0}),
]
class AnyMetadata(ac.Choice):
_alternatives = [
('root', RootMetadata),
('timestamp', TimestampMetadata),
('snapshot', SnapshotMetadata),
('targets', TargetsMetadata)]
class AnyEnvelope(ac.Choice):
_alternatives = [
('root', RootEnvelope),
('timestamp', TimestampEnvelope),
('snapshot', SnapshotEnvelope),
('targets', TargetsEnvelope)]
class SomeType(ac.Choice):
_alternatives = [
('int', ac.Integer),
('oct', ac.OctetString)]
# # Or we could define the following, instead of the above four Envelope classes.
#
# class AnyMetadata(ac.Choice):
# _alternatives = [
# ('root', RootMetadata),
# ('timestamp', TimestampMetadata),
# ('snapshot', SnapshotMetadata),
# ('targets', TargetsMetadata)]
#
# class SignableEnvelope(ac.Sequence):
# _fields = [
:return:
An object of the type spec, or if not specified, a child of Asn1Value
"""
if header is None:
return VOID
# If an explicit specification was passed in, make sure it matches
if spec is not None:
if spec_params:
value = spec(contents=contents, **spec_params)
else:
value = spec(contents=contents)
is_choice = isinstance(value, Choice)
if spec == Any:
pass
elif value.tag_type == 'explicit':
if class_ != value.explicit_class:
raise ValueError(unwrap(
'''
Error parsing %s - explicitly-tagged class should have been
%s, but %s was found
''',
type_name(value),
CLASS_NUM_TO_NAME_MAP.get(value.explicit_class),
CLASS_NUM_TO_NAME_MAP.get(class_, class_)
))
if method != 1:
# allows Any
return ContentInfo
_spec_callbacks = {
'encap_content_info': _encap_content_info_spec
}
class OriginatorInfo(Sequence):
_fields = [
('certs', CertificateSet, {'implicit': 0, 'optional': True}),
('crls', RevocationInfoChoices, {'implicit': 1, 'optional': True}),
]
class RecipientIdentifier(Choice):
_alternatives = [
('issuer_and_serial_number', IssuerAndSerialNumber),
('subject_key_identifier', OctetString, {'implicit': 0}),
]
class KeyEncryptionAlgorithmId(ObjectIdentifier):
_map = {
'1.2.840.113549.1.1.1': 'rsaes_pkcs1v15',
'1.2.840.113549.1.1.7': 'rsaes_oaep',
'2.16.840.1.101.3.4.1.5': 'aes128_wrap',
'2.16.840.1.101.3.4.1.8': 'aes128_wrap_pad',
'2.16.840.1.101.3.4.1.25': 'aes192_wrap',
'2.16.840.1.101.3.4.1.28': 'aes192_wrap_pad',
'2.16.840.1.101.3.4.1.45': 'aes256_wrap',
'2.16.840.1.101.3.4.1.48': 'aes256_wrap_pad',
class IssuerSerial(Sequence):
_fields = [
('issuer', GeneralNames),
('serial', Integer),
('issuer_uid', OctetBitString, {'optional': True}),
]
class AttCertVersion(Integer):
_map = {
0: 'v1',
1: 'v2',
}
class AttCertSubject(Choice):
_alternatives = [
('base_certificate_id', IssuerSerial, {'explicit': 0}),
('subject_name', GeneralNames, {'explicit': 1}),
]
class AttCertValidityPeriod(Sequence):
_fields = [
('not_before_time', GeneralizedTime),
('not_after_time', GeneralizedTime),
]
class AttributeCertificateInfoV1(Sequence):
_fields = [
('version', AttCertVersion, {'default': 'v1'}),
('version', Version),
('digest_algorithms', DigestAlgorithms),
('crypto_infos', Attributes, {'implicit': 0, 'optional': True}),
('encryption_info', EncryptionInfo, {'implicit': 1, 'optional': True}),
('archive_time_stamp_sequence', ArchiveTimeStampSequence),
]
class OtherEvidence(Sequence):
_fields = [
('oe_type', ObjectIdentifier),
('oe_value', Any),
]
class Evidence(Choice):
_alternatives = [
('tst_evidence', TimeStampTokenEvidence, {'implicit': 0}),
('ers_evidence', EvidenceRecord, {'implicit': 1}),
('other_evidence', OtherEvidence, {'implicit': 2}),
]
class TimeStampedData(Sequence):
_fields = [
('version', Version),
('data_uri', IA5String, {'optional': True}),
('meta_data', MetaData, {'optional': True}),
('content', OctetString, {'optional': True}),
('temporal_evidence', Evidence),
]
class OtherKeyAttribute(Sequence):
_fields = [
('key_attr_id', ObjectIdentifier),
('key_attr', Any),
]
class RecipientKeyIdentifier(Sequence):
_fields = [
('subject_key_identifier', OctetString),
('date', GeneralizedTime, {'optional': True}),
('other', OtherKeyAttribute, {'optional': True}),
]
class KeyAgreementRecipientIdentifier(Choice):
_alternatives = [
('issuer_and_serial_number', IssuerAndSerialNumber),
('r_key_id', RecipientKeyIdentifier, {'implicit': 0}),
]
class RecipientEncryptedKey(Sequence):
_fields = [
('rid', KeyAgreementRecipientIdentifier),
('encrypted_key', OctetString),
]
class RecipientEncryptedKeys(SequenceOf):
_child_spec = RecipientEncryptedKey
self.contents = b''
@property
def native(self):
return 'unknown'
class RevokedInfo(Sequence):
_fields = [
('revocation_time', GeneralizedTime),
('revocation_reason', CRLReason, {'explicit': 0, 'optional': True}),
]
class CertStatus(Choice):
_alternatives = [
('good', StatusGood, {'implicit': 0}),
('revoked', RevokedInfo, {'implicit': 1}),
('unknown', StatusUnknown, {'implicit': 2}),
]
class CrlId(Sequence):
_fields = [
('crl_url', IA5String, {'explicit': 0, 'optional': True}),
('crl_num', Integer, {'explicit': 1, 'optional': True}),
('crl_time', GeneralizedTime, {'explicit': 2, 'optional': True}),
]
class SingleResponseExtensionId(ObjectIdentifier):
class BuiltInDomainDefinedAttributes(SequenceOf):
_child_spec = BuiltInDomainDefinedAttribute
class TeletexDomainDefinedAttribute(Sequence):
_fields = [
('type', TeletexString),
('value', TeletexString),
]
class TeletexDomainDefinedAttributes(SequenceOf):
_child_spec = TeletexDomainDefinedAttribute
class PhysicalDeliveryCountryName(Choice):
_alternatives = [
('x121_dcc_code', NumericString),
('iso_3166_alpha2_code', PrintableString),
]
class PostalCode(Choice):
_alternatives = [
('numeric_code', NumericString),
('printable_code', PrintableString),
]
class PDSParameter(Set):
_fields = [
('printable_string', PrintableString, {'optional': True}),
('content_type', ContentType),
('content', ParsableOctetString, {'explicit': 0, 'optional': True}),
]
_oid_pair = ('content_type', 'content')
_oid_specs = {}
class IssuerAndSerialNumber(Sequence):
_fields = [
('issuer', Name),
('serial_number', Integer),
]
class SignerIdentifier(Choice):
_alternatives = [
('issuer_and_serial_number', IssuerAndSerialNumber),
('subject_key_identifier', OctetString, {'implicit': 0}),
]
class DigestAlgorithms(SetOf):
_child_spec = DigestAlgorithm
class CertificateRevocationLists(SetOf):
_child_spec = CertificateList
class SCVPReqRes(Sequence):
_fields = [