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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
#
import sys
from pyasn1.codec.der.decoder import decode as der_decode
from pyasn1.codec.der.encoder import encode as der_encode
from pyasn1.compat.octets import str2octs
from pyasn1_modules import pem
from pyasn1_modules import rfc5652
from pyasn1_modules import rfc6032
from pyasn1_modules import rfc3565
try:
import unittest2 as unittest
except ImportError:
import unittest
class EncryptedKeyPkgTestCase(unittest.TestCase):
encrypted_key_pkg_pem_text = """\
MIIBBwYKYIZIAWUCAQJOAqCB+DCB9QIBAjCBzgYKYIZIAWUCAQJOAjAdBglghkgB
ZQMEASoEEN6HFteHMZ3DyeO35xIwWQOAgaCKTs0D0HguNzMhsLgiwG/Kw8OwX+GF
9/cZ1YVNesUTW/VsbXJcbTmFmWyfqZsM4DLBegIbrUEHQZnQRq6/NO4ricQdHApD
B/ip6RRqeN1yxMJLv1YN0zUOOIDBS2iMEjTLXZLWw3w22GN2JK7G+Lr4OH1NhMgU
ILJyh/RePmPseMwxvcJs7liEfkiSNMtDfEcpjtzA9bDe95GjhQRsiSByoR8wHQYJ
YIZIAWUCAQVCMRAEDnB0Zi1rZGMtODEyMzc0
"""
def setUp(self):
self.asn1Spec = rfc5652.ContentInfo()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.encrypted_key_pkg_pem_text)
asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
assert asn1Object['contentType'] == rfc6032.id_ct_KP_encryptedKeyPkg
content, rest = der_decode(asn1Object['content'], rfc6032.EncryptedKeyPackage())
assert not rest
assert content.prettyPrint()
assert der_encode(content) == asn1Object['content']
assert content.getName() == 'encrypted'
eci = content['encrypted']['encryptedContentInfo']
assert eci['contentType'] == rfc6032.id_ct_KP_encryptedKeyPkg
attrType = content['encrypted']['unprotectedAttrs'][0]['attrType']
assert attrType == rfc6032.id_aa_KP_contentDecryptKeyID
attrVal0 = content['encrypted']['unprotectedAttrs'][0]['attrValues'][0]
keyid, rest = der_decode(attrVal0, rfc6032.ContentDecryptKeyID())
assert not rest
assert keyid.prettyPrint()
assert der_encode(keyid) == attrVal0
assert keyid == b'ptf-kdc-812374'
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.encrypted_key_pkg_pem_text)
asn1Object, rest = der_decode(substrate,
asn1Spec=self.asn1Spec,
decodeOpenTypes=True)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
assert asn1Object['contentType'] in rfc5652.cmsContentTypesMap
eci = asn1Object['content']['encrypted']['encryptedContentInfo']
assert eci['contentType'] in rfc5652.cmsContentTypesMap
for attr in asn1Object['content']['encrypted']['unprotectedAttrs']:
assert attr['attrType'] in rfc5652.cmsAttributesMap.keys()
assert attr['attrValues'][0].prettyPrint()[:2] != '0x'
if attr['attrType'] == rfc6032.id_aa_KP_contentDecryptKeyID:
assert attr['attrValues'][0] == str2octs('ptf-kdc-812374')
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
unittest.TextTestRunner(verbosity=2).run(suite)
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