/usr/lib/python3/dist-packages/pyasn1_modules/rfc2560.py is in python3-pyasn1-modules 0.2.1-0.2.
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# This file is part of pyasn1-modules software.
#
# Copyright (c) 2005-2017, Ilya Etingof <etingof@gmail.com>
# License: http://pyasn1.sf.net/license.html
#
# OCSP request/response syntax
#
# Derived from a minimal OCSP library (RFC2560) code written by
# Bud P. Bruegger <bud@ancitel.it>
# Copyright: Ancitel, S.p.a, Rome, Italy
# License: BSD
#
#
# current limitations:
# * request and response works only for a single certificate
# * only some values are parsed out of the response
# * the request does't set a nonce nor signature
# * there is no signature validation of the response
# * dates are left as strings in GeneralizedTime format -- datetime.datetime
# would be nicer
#
from pyasn1.type import namedtype
from pyasn1.type import namedval
from pyasn1.type import tag
from pyasn1.type import univ
from pyasn1.type import useful
from pyasn1_modules import rfc2459
# Start of OCSP module definitions
# This should be in directory Authentication Framework (X.509) module
class CRLReason(univ.Enumerated):
namedValues = namedval.NamedValues(
('unspecified', 0),
('keyCompromise', 1),
('cACompromise', 2),
('affiliationChanged', 3),
('superseded', 4),
('cessationOfOperation', 5),
('certificateHold', 6),
('removeFromCRL', 8),
('privilegeWithdrawn', 9),
('aACompromise', 10)
)
# end of directory Authentication Framework (X.509) module
# This should be in PKIX Certificate Extensions module
class GeneralName(univ.OctetString):
pass
# end of PKIX Certificate Extensions module
id_kp_OCSPSigning = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 3, 9))
id_pkix_ocsp = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1))
id_pkix_ocsp_basic = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1, 1))
id_pkix_ocsp_nonce = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1, 2))
id_pkix_ocsp_crl = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1, 3))
id_pkix_ocsp_response = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1, 4))
id_pkix_ocsp_nocheck = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1, 5))
id_pkix_ocsp_archive_cutoff = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1, 6))
id_pkix_ocsp_service_locator = univ.ObjectIdentifier((1, 3, 6, 1, 5, 5, 7, 48, 1, 7))
class AcceptableResponses(univ.SequenceOf):
componentType = univ.ObjectIdentifier()
class ArchiveCutoff(useful.GeneralizedTime):
pass
class UnknownInfo(univ.Null):
pass
class RevokedInfo(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('revocationTime', useful.GeneralizedTime()),
namedtype.OptionalNamedType('revocationReason', CRLReason().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)))
)
class CertID(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('hashAlgorithm', rfc2459.AlgorithmIdentifier()),
namedtype.NamedType('issuerNameHash', univ.OctetString()),
namedtype.NamedType('issuerKeyHash', univ.OctetString()),
namedtype.NamedType('serialNumber', rfc2459.CertificateSerialNumber())
)
class CertStatus(univ.Choice):
componentType = namedtype.NamedTypes(
namedtype.NamedType('good',
univ.Null().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.NamedType('revoked',
RevokedInfo().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
namedtype.NamedType('unknown',
UnknownInfo().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2)))
)
class SingleResponse(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('certID', CertID()),
namedtype.NamedType('certStatus', CertStatus()),
namedtype.NamedType('thisUpdate', useful.GeneralizedTime()),
namedtype.OptionalNamedType('nextUpdate', useful.GeneralizedTime().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.OptionalNamedType('singleExtensions', rfc2459.Extensions().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1)))
)
class KeyHash(univ.OctetString):
pass
class ResponderID(univ.Choice):
componentType = namedtype.NamedTypes(
namedtype.NamedType('byName',
rfc2459.Name().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
namedtype.NamedType('byKey',
KeyHash().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2)))
)
class Version(univ.Integer):
namedValues = namedval.NamedValues(('v1', 0))
class ResponseData(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.DefaultedNamedType('version', Version('v1').subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.NamedType('responderID', ResponderID()),
namedtype.NamedType('producedAt', useful.GeneralizedTime()),
namedtype.NamedType('responses', univ.SequenceOf(componentType=SingleResponse())),
namedtype.OptionalNamedType('responseExtensions', rfc2459.Extensions().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1)))
)
class BasicOCSPResponse(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('tbsResponseData', ResponseData()),
namedtype.NamedType('signatureAlgorithm', rfc2459.AlgorithmIdentifier()),
namedtype.NamedType('signature', univ.BitString()),
namedtype.OptionalNamedType('certs', univ.SequenceOf(componentType=rfc2459.Certificate()).subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)))
)
class ResponseBytes(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('responseType', univ.ObjectIdentifier()),
namedtype.NamedType('response', univ.OctetString())
)
class OCSPResponseStatus(univ.Enumerated):
namedValues = namedval.NamedValues(
('successful', 0),
('malformedRequest', 1),
('internalError', 2),
('tryLater', 3),
('undefinedStatus', 4), # should never occur
('sigRequired', 5),
('unauthorized', 6)
)
class OCSPResponse(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('responseStatus', OCSPResponseStatus()),
namedtype.OptionalNamedType('responseBytes', ResponseBytes().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)))
)
class Request(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('reqCert', CertID()),
namedtype.OptionalNamedType('singleRequestExtensions', rfc2459.Extensions().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)))
)
class Signature(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('signatureAlgorithm', rfc2459.AlgorithmIdentifier()),
namedtype.NamedType('signature', univ.BitString()),
namedtype.OptionalNamedType('certs', univ.SequenceOf(componentType=rfc2459.Certificate()).subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)))
)
class TBSRequest(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.DefaultedNamedType('version', Version('v1').subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
namedtype.OptionalNamedType('requestorName', GeneralName().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
namedtype.NamedType('requestList', univ.SequenceOf(componentType=Request())),
namedtype.OptionalNamedType('requestExtensions', rfc2459.Extensions().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2)))
)
class OCSPRequest(univ.Sequence):
componentType = namedtype.NamedTypes(
namedtype.NamedType('tbsRequest', TBSRequest()),
namedtype.OptionalNamedType('optionalSignature', Signature().subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)))
)
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