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#
# This file is part of pyasn1-modules software.
#
# Created by Russ Housley.
#
# Copyright (c) 2019, Vigil Security, LLC
# License: http://snmplabs.com/pyasn1/license.html
#
# Alternative Challenge Password Attributes for EST
#
# ASN.1 source from:
# https://www.rfc-editor.org/rfc/rfc7894.txt
#
from pyasn1.type import char
from pyasn1.type import constraint
from pyasn1.type import namedtype
from pyasn1.type import univ
from pyasn1_modules import rfc5652
from pyasn1_modules import rfc6402
from pyasn1_modules import rfc7191
# SingleAttribute is the same as Attribute in RFC 5652, except that the
# attrValues SET must have one and only one member
Attribute = rfc7191.SingleAttribute
# DirectoryString is the same as RFC 5280, except the length is limited to 255
class DirectoryString(univ.Choice):
pass
DirectoryString.componentType = namedtype.NamedTypes(
namedtype.NamedType('teletexString', char.TeletexString().subtype(
subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
namedtype.NamedType('printableString', char.PrintableString().subtype(
subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
namedtype.NamedType('universalString', char.UniversalString().subtype(
subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
namedtype.NamedType('utf8String', char.UTF8String().subtype(
subtypeSpec=constraint.ValueSizeConstraint(1, 255))),
namedtype.NamedType('bmpString', char.BMPString().subtype(
subtypeSpec=constraint.ValueSizeConstraint(1, 255)))
)
# OTP Challenge Attribute
id_aa_otpChallenge = univ.ObjectIdentifier('1.2.840.113549.1.9.16.2.56')
ub_aa_otpChallenge = univ.Integer(255)
otpChallenge = Attribute()
otpChallenge['attrType'] = id_aa_otpChallenge
otpChallenge['attrValues'][0] = DirectoryString()
# Revocation Challenge Attribute
id_aa_revocationChallenge = univ.ObjectIdentifier('1.2.840.113549.1.9.16.2.57')
ub_aa_revocationChallenge = univ.Integer(255)
revocationChallenge = Attribute()
revocationChallenge['attrType'] = id_aa_revocationChallenge
revocationChallenge['attrValues'][0] = DirectoryString()
# EST Identity Linking Attribute
id_aa_estIdentityLinking = univ.ObjectIdentifier('1.2.840.113549.1.9.16.2.58')
ub_aa_est_identity_linking = univ.Integer(255)
estIdentityLinking = Attribute()
estIdentityLinking['attrType'] = id_aa_estIdentityLinking
estIdentityLinking['attrValues'][0] = DirectoryString()
# Map of Attribute Type OIDs to Attributes added to the
# ones that are in rfc6402.py
_cmcControlAttributesMapUpdate = {
id_aa_otpChallenge: DirectoryString(),
id_aa_revocationChallenge: DirectoryString(),
id_aa_estIdentityLinking: DirectoryString(),
}
rfc6402.cmcControlAttributesMap.update(_cmcControlAttributesMapUpdate)
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