1#
2# This file is part of pyasn1-modules software.
3#
4# Created by Russ Housley with assistance from asn1ate v.0.6.0.
5#
6# Copyright (c) 2019, Vigil Security, LLC
7# License: http://snmplabs.com/pyasn1/license.html
8#
9# CMS Encrypted Key Package Content Type
10#
11# ASN.1 source from:
12# https://www.rfc-editor.org/rfc/rfc6032.txt
13#
14
15from pyasn1.type import namedtype
16from pyasn1.type import tag
17from pyasn1.type import univ
18
19from pyasn1_modules import rfc5652
20from pyasn1_modules import rfc5083
21
22
23# Content Decryption Key Identifier attribute
24
25id_aa_KP_contentDecryptKeyID = univ.ObjectIdentifier('2.16.840.1.101.2.1.5.66')
26
27class ContentDecryptKeyID(univ.OctetString):
28    pass
29
30aa_content_decrypt_key_identifier = rfc5652.Attribute()
31aa_content_decrypt_key_identifier['attrType'] = id_aa_KP_contentDecryptKeyID
32aa_content_decrypt_key_identifier['attrValues'][0] = ContentDecryptKeyID()
33
34
35# Encrypted Key Package Content Type
36
37id_ct_KP_encryptedKeyPkg = univ.ObjectIdentifier('2.16.840.1.101.2.1.2.78.2')
38
39class EncryptedKeyPackage(univ.Choice):
40    pass
41
42EncryptedKeyPackage.componentType = namedtype.NamedTypes(
43    namedtype.NamedType('encrypted', rfc5652.EncryptedData()),
44    namedtype.NamedType('enveloped', rfc5652.EnvelopedData().subtype(
45        implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))),
46    namedtype.NamedType('authEnveloped', rfc5083.AuthEnvelopedData().subtype(
47        implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1)))
48)
49
50
51# Map of Attribute Type OIDs to Attributes are
52# added to the ones that are in rfc5652.py
53
54_cmsAttributesMapUpdate = {
55    id_aa_KP_contentDecryptKeyID: ContentDecryptKeyID(),
56}
57
58rfc5652.cmsAttributesMap.update(_cmsAttributesMapUpdate)
59
60
61# Map of Content Type OIDs to Content Types are
62# added to the ones that are in rfc5652.py
63
64_cmsContentTypesMapUpdate = {
65    id_ct_KP_encryptedKeyPkg: EncryptedKeyPackage(),
66}
67
68rfc5652.cmsContentTypesMap.update(_cmsContentTypesMapUpdate)
69