75 lines
2 KiB
Python
75 lines
2 KiB
Python
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#
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# This file is part of pyasn1-modules software.
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#
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# Created by Russ Housley with assistance from asn1ate v.0.6.0.
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#
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# Copyright (c) 2019, Vigil Security, LLC
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# License: http://snmplabs.com/pyasn1/license.html
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#
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# RPKI Route Origin Authorizations (ROAs)
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#
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# ASN.1 source from:
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# https://www.rfc-editor.org/rfc/rfc6482.txt
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# https://www.rfc-editor.org/errata/eid5881
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#
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from pyasn1.type import constraint
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from pyasn1.type import namedtype
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from pyasn1.type import tag
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from pyasn1.type import univ
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from pyasn1_modules import rfc5652
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MAX = float('inf')
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id_ct_routeOriginAuthz = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.24')
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class ASID(univ.Integer):
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pass
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class IPAddress(univ.BitString):
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pass
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class ROAIPAddress(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('address', IPAddress()),
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namedtype.OptionalNamedType('maxLength', univ.Integer())
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)
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class ROAIPAddressFamily(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('addressFamily',
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univ.OctetString().subtype(
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subtypeSpec=constraint.ValueSizeConstraint(2, 3))),
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namedtype.NamedType('addresses',
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univ.SequenceOf(componentType=ROAIPAddress()).subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX)))
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)
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class RouteOriginAttestation(univ.Sequence):
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componentType = namedtype.NamedTypes(
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namedtype.DefaultedNamedType('version',
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univ.Integer().subtype(explicitTag=tag.Tag(
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tag.tagClassContext, tag.tagFormatSimple, 0)).subtype(value=0)),
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namedtype.NamedType('asID', ASID()),
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namedtype.NamedType('ipAddrBlocks',
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univ.SequenceOf(componentType=ROAIPAddressFamily()).subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX)))
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)
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# Map of Content Type OIDs to Content Types added to the
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# ones that are in rfc5652.py
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_cmsContentTypesMapUpdate = {
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id_ct_routeOriginAuthz: RouteOriginAttestation(),
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}
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rfc5652.cmsContentTypesMap.update(_cmsContentTypesMapUpdate)
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