92 lines
2.7 KiB
Python
92 lines
2.7 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.
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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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# Alternative Challenge Password Attributes for EST
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#
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# ASN.1 source from:
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# https://www.rfc-editor.org/rfc/rfc7894.txt
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#
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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 univ
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from pyasn1_modules import rfc5652
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from pyasn1_modules import rfc6402
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from pyasn1_modules import rfc7191
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# SingleAttribute is the same as Attribute in RFC 5652, except that the
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# attrValues SET must have one and only one member
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Attribute = rfc7191.SingleAttribute
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# DirectoryString is the same as RFC 5280, except the length is limited to 255
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class DirectoryString(univ.Choice):
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pass
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DirectoryString.componentType = namedtype.NamedTypes(
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namedtype.NamedType('teletexString', char.TeletexString().subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
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namedtype.NamedType('printableString', char.PrintableString().subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
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namedtype.NamedType('universalString', char.UniversalString().subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
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namedtype.NamedType('utf8String', char.UTF8String().subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
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namedtype.NamedType('bmpString', char.BMPString().subtype(
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subtypeSpec=constraint.ValueSizeConstraint(1, 255)))
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)
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# OTP Challenge Attribute
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id_aa_otpChallenge = univ.ObjectIdentifier('1.2.840.113549.1.9.16.2.56')
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ub_aa_otpChallenge = univ.Integer(255)
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otpChallenge = rfc5652.Attribute()
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otpChallenge['attrType'] = id_aa_otpChallenge
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otpChallenge['attrValues'][0] = DirectoryString()
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# Revocation Challenge Attribute
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id_aa_revocationChallenge = univ.ObjectIdentifier('1.2.840.113549.1.9.16.2.57')
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ub_aa_revocationChallenge = univ.Integer(255)
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revocationChallenge = rfc5652.Attribute()
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revocationChallenge['attrType'] = id_aa_revocationChallenge
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revocationChallenge['attrValues'][0] = DirectoryString()
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# EST Identity Linking Attribute
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id_aa_estIdentityLinking = univ.ObjectIdentifier('1.2.840.113549.1.9.16.2.58')
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ub_aa_est_identity_linking = univ.Integer(255)
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estIdentityLinking = rfc5652.Attribute()
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estIdentityLinking['attrType'] = id_aa_estIdentityLinking
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estIdentityLinking['attrValues'][0] = DirectoryString()
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# Map of Attribute Type OIDs to Attributes added to the
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# ones that are in rfc6402.py
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_cmcControlAttributesMapUpdate = {
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id_aa_otpChallenge: DirectoryString(),
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id_aa_revocationChallenge: DirectoryString(),
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id_aa_estIdentityLinking: DirectoryString(),
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}
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rfc6402.cmcControlAttributesMap.update(_cmcControlAttributesMapUpdate)
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