120 lines
3.6 KiB
Python
120 lines
3.6 KiB
Python
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# This file is being contributed to 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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# Trust Anchor Format
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#
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# ASN.1 source from:
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# https://www.rfc-editor.org/rfc/rfc5914.txt
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from pyasn1.type import char
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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 namedval
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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 rfc5280
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MAX = float('inf')
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Certificate = rfc5280.Certificate
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Name = rfc5280.Name
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Extensions = rfc5280.Extensions
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SubjectPublicKeyInfo = rfc5280.SubjectPublicKeyInfo
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TBSCertificate = rfc5280.TBSCertificate
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CertificatePolicies = rfc5280.CertificatePolicies
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KeyIdentifier = rfc5280.KeyIdentifier
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NameConstraints = rfc5280.NameConstraints
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class CertPolicyFlags(univ.BitString):
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pass
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CertPolicyFlags.namedValues = namedval.NamedValues(
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('inhibitPolicyMapping', 0),
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('requireExplicitPolicy', 1),
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('inhibitAnyPolicy', 2)
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)
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class CertPathControls(univ.Sequence):
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pass
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CertPathControls.componentType = namedtype.NamedTypes(
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namedtype.NamedType('taName', Name()),
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namedtype.OptionalNamedType('certificate', Certificate().subtype(
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implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
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namedtype.OptionalNamedType('policySet', CertificatePolicies().subtype(
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implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
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namedtype.OptionalNamedType('policyFlags', CertPolicyFlags().subtype(
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implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2))),
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namedtype.OptionalNamedType('nameConstr', NameConstraints().subtype(
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implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 3))),
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namedtype.OptionalNamedType('pathLenConstraint', univ.Integer().subtype(
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subtypeSpec=constraint.ValueRangeConstraint(0, MAX)).subtype(
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implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 4)))
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)
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class TrustAnchorTitle(char.UTF8String):
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pass
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TrustAnchorTitle.subtypeSpec = constraint.ValueSizeConstraint(1, 64)
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class TrustAnchorInfoVersion(univ.Integer):
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pass
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TrustAnchorInfoVersion.namedValues = namedval.NamedValues(
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('v1', 1)
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)
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class TrustAnchorInfo(univ.Sequence):
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pass
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TrustAnchorInfo.componentType = namedtype.NamedTypes(
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namedtype.DefaultedNamedType('version', TrustAnchorInfoVersion().subtype(value='v1')),
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namedtype.NamedType('pubKey', SubjectPublicKeyInfo()),
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namedtype.NamedType('keyId', KeyIdentifier()),
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namedtype.OptionalNamedType('taTitle', TrustAnchorTitle()),
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namedtype.OptionalNamedType('certPath', CertPathControls()),
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namedtype.OptionalNamedType('exts', Extensions().subtype(explicitTag=tag.Tag(
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tag.tagClassContext, tag.tagFormatSimple, 1))),
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namedtype.OptionalNamedType('taTitleLangTag', char.UTF8String().subtype(
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implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2)))
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)
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class TrustAnchorChoice(univ.Choice):
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pass
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TrustAnchorChoice.componentType = namedtype.NamedTypes(
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namedtype.NamedType('certificate', Certificate()),
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namedtype.NamedType('tbsCert', TBSCertificate().subtype(
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
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namedtype.NamedType('taInfo', TrustAnchorInfo().subtype(
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explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2)))
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)
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id_ct_trustAnchorList = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.34')
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class TrustAnchorList(univ.SequenceOf):
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pass
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TrustAnchorList.componentType = TrustAnchorChoice()
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TrustAnchorList.subtypeSpec=constraint.ValueSizeConstraint(1, MAX)
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