rfc4073.py
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#
# This file is part of pyasn1-modules software.
#
# Created by Russ Housley with some assistance from asn1ate v.0.6.0.
# Modified by Russ Housley to add a map for use with opentypes.
#
# Copyright (c) 2019, Vigil Security, LLC
# License: http://snmplabs.com/pyasn1/license.html
#
# Protecting Multiple Contents with the CMS
#
# ASN.1 source from:
# https://www.rfc-editor.org/rfc/rfc4073.txt
#
from pyasn1.type import constraint
from pyasn1.type import namedtype
from pyasn1.type import univ
from pyasn1_modules import rfc5652
MAX = float('inf')
# Content Collection Content Type and Object Identifier
id_ct_contentCollection = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.19')
class ContentCollection(univ.SequenceOf):
pass
ContentCollection.componentType = rfc5652.ContentInfo()
ContentCollection.sizeSpec = constraint.ValueSizeConstraint(1, MAX)
# Content With Attributes Content Type and Object Identifier
id_ct_contentWithAttrs = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.20')
class ContentWithAttributes(univ.Sequence):
pass
ContentWithAttributes.componentType = namedtype.NamedTypes(
namedtype.NamedType('content', rfc5652.ContentInfo()),
namedtype.NamedType('attrs', univ.SequenceOf(
componentType=rfc5652.Attribute()).subtype(
sizeSpec=constraint.ValueSizeConstraint(1, MAX)))
)
# Map of Content Type OIDs to Content Types is added to the
# ones that are in rfc5652.py
_cmsContentTypesMapUpdate = {
id_ct_contentCollection: ContentCollection(),
id_ct_contentWithAttrs: ContentWithAttributes(),
}
rfc5652.cmsContentTypesMap.update(_cmsContentTypesMapUpdate)