pyasn1_modules/rfc3161.py

#
# This file is part of pyasn1-modules software.
#
# Created by Russ Housley with assistance from asn1ate v.0.6.0.
#
# Copyright (c) 2019, Vigil Security, LLC
# License: http://snmplabs.com/pyasn1/license.html
#
# Time-Stamp Protocol (TSP)
#
# ASN.1 source from:
# https://www.rfc-editor.org/rfc/rfc3161.txt
#

from pyasn1.type import constraint
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 rfc4210
from pyasn1_modules import rfc5280
from pyasn1_modules import rfc5652


Extensions = rfc5280.Extensions

AlgorithmIdentifier = rfc5280.AlgorithmIdentifier

GeneralName = rfc5280.GeneralName

ContentInfo = rfc5652.ContentInfo

PKIFreeText = rfc4210.PKIFreeText


id_ct_TSTInfo = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.4')


class Accuracy(univ.Sequence):
    pass

Accuracy.componentType = namedtype.NamedTypes(
    namedtype.OptionalNamedType('seconds', univ.Integer()),
    namedtype.OptionalNamedType('millis', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, 999)).subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
    namedtype.OptionalNamedType('micros', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, 999)).subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1)))
)


class MessageImprint(univ.Sequence):
    pass

MessageImprint.componentType = namedtype.NamedTypes(
    namedtype.NamedType('hashAlgorithm', AlgorithmIdentifier()),
    namedtype.NamedType('hashedMessage', univ.OctetString())
)


class PKIFailureInfo(univ.BitString):
    pass

PKIFailureInfo.namedValues = namedval.NamedValues(
    ('badAlg', 0),
    ('badRequest', 2),
    ('badDataFormat', 5),
    ('timeNotAvailable', 14),
    ('unacceptedPolicy', 15),
    ('unacceptedExtension', 16),
    ('addInfoNotAvailable', 17),
    ('systemFailure', 25)
)


class PKIStatus(univ.Integer):
    pass

PKIStatus.namedValues = namedval.NamedValues(
    ('granted', 0),
    ('grantedWithMods', 1),
    ('rejection', 2),
    ('waiting', 3),
    ('revocationWarning', 4),
    ('revocationNotification', 5)
)


class PKIStatusInfo(univ.Sequence):
    pass

PKIStatusInfo.componentType = namedtype.NamedTypes(
    namedtype.NamedType('status', PKIStatus()),
    namedtype.OptionalNamedType('statusString', PKIFreeText()),
    namedtype.OptionalNamedType('failInfo', PKIFailureInfo())
)


class TSAPolicyId(univ.ObjectIdentifier):
    pass


class TSTInfo(univ.Sequence):
    pass

TSTInfo.componentType = namedtype.NamedTypes(
    namedtype.NamedType('version', univ.Integer(namedValues=namedval.NamedValues(('v1', 1)))),
    namedtype.NamedType('policy', TSAPolicyId()),
    namedtype.NamedType('messageImprint', MessageImprint()),
    namedtype.NamedType('serialNumber', univ.Integer()),
    namedtype.NamedType('genTime', useful.GeneralizedTime()),
    namedtype.OptionalNamedType('accuracy', Accuracy()),
    namedtype.DefaultedNamedType('ordering', univ.Boolean().subtype(value=0)),
    namedtype.OptionalNamedType('nonce', univ.Integer()),
    namedtype.OptionalNamedType('tsa', GeneralName().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
    namedtype.OptionalNamedType('extensions', Extensions().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1)))
)


class TimeStampReq(univ.Sequence):
    pass

TimeStampReq.componentType = namedtype.NamedTypes(
    namedtype.NamedType('version', univ.Integer(namedValues=namedval.NamedValues(('v1', 1)))),
    namedtype.NamedType('messageImprint', MessageImprint()),
    namedtype.OptionalNamedType('reqPolicy', TSAPolicyId()),
    namedtype.OptionalNamedType('nonce', univ.Integer()),
    namedtype.DefaultedNamedType('certReq', univ.Boolean().subtype(value=0)),
    namedtype.OptionalNamedType('extensions', Extensions().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0)))
)


class TimeStampToken(ContentInfo):
    pass


class TimeStampResp(univ.Sequence):
    pass

TimeStampResp.componentType = namedtype.NamedTypes(
    namedtype.NamedType('status', PKIStatusInfo()),
    namedtype.OptionalNamedType('timeStampToken', TimeStampToken())
)