You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
3.9 KiB
110 lines
3.9 KiB
#
|
|
# This file is part of pyasn1-modules software.
|
|
#
|
|
# 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_modules import pem
|
|
from pyasn1_modules import rfc5480
|
|
from pyasn1_modules import rfc5652
|
|
from pyasn1_modules import rfc5751
|
|
from pyasn1_modules import rfc6664
|
|
|
|
try:
|
|
import unittest2 as unittest
|
|
except ImportError:
|
|
import unittest
|
|
|
|
|
|
class SMIMECapabilitiesTestCase(unittest.TestCase):
|
|
smime_capabilities_pem_text = """\
|
|
MIICOjAJBgUrDgMCGgUAMA0GCWCGSAFlAwQCBAUAMA0GCWCGSAFlAwQCAQUAMA0G
|
|
CWCGSAFlAwQCAgUAMA0GCWCGSAFlAwQCAwUAMBUGCSqGSIb3DQEBATAIAgIEAAIC
|
|
EAAwFQYJKoZIhvcNAQEHMAgCAgQAAgIQADAVBgkqhkiG9w0BAQowCAICBAACAhAA
|
|
MBUGByqGSM44BAGgCjAIAgIEAAICDAAwggEvBgcqhkjOPgIBoYIBIjCCAR4CgYEA
|
|
i6Ued8R33vkopJwCvy/ZZv2TtddPXPYmJK4jyFv+TDJTPqnP7XUZCqRuhCyKX10z
|
|
7SgiZs6qlSMk5gCa8shPF8NCHtps2D1OVC7yppZUJI07FoDxoEAZHImdAFvYIA/V
|
|
cGYpYOKod4kju0/e4VUBZ6Qoer5vKTh+lD/+ZKa/WSUCFQDc3W87QSZSX6ggdbeI
|
|
fzb0rsAhbwKBgCEz/o4WJPUZ4HffJfuXHIGrkPnCxFAYDRtlqueswV0Gy6LunipE
|
|
Iu3nCzYkZhMatyFNyzo+NusEsS+9isOhT8jhL93nSBZCSRBy+GfmSXlXv/3c8mtH
|
|
XTie5JOqjRdonPr4g/+VZvMkcioooNrhx/zICHrC3WZ72871/n/z9M+dMCMGByqG
|
|
SM49AgEwGAYIKoZIzj0DAQcGBSuBBAAiBgUrgQQAIzAhBgUrgQQBDTAYBggqhkjO
|
|
PQMBBwYFK4EEACIGBSuBBAAjMBoGCSqGSIb3DQEBCDANBglghkgBZQMEAgEFAA==
|
|
"""
|
|
|
|
def setUp(self):
|
|
self.asn1Spec = rfc5751.SMIMECapabilities()
|
|
|
|
def testDerCodec(self):
|
|
substrate = pem.readBase64fromText(self.smime_capabilities_pem_text)
|
|
asn1Object, rest = der_decode (substrate, asn1Spec=self.asn1Spec)
|
|
assert not rest
|
|
assert asn1Object.prettyPrint()
|
|
assert der_encode(asn1Object) == substrate
|
|
|
|
count = 0
|
|
for cap in asn1Object:
|
|
if cap['capabilityID'] in rfc5751.smimeCapabilityMap.keys():
|
|
substrate = cap['parameters']
|
|
cap_p, rest = der_decode (substrate,
|
|
asn1Spec=rfc5751.smimeCapabilityMap[cap['capabilityID']])
|
|
assert not rest
|
|
assert cap_p.prettyPrint()
|
|
assert der_encode(cap_p) == substrate
|
|
count += 1
|
|
|
|
assert count == 8
|
|
|
|
def testOpenTypes(self):
|
|
substrate = pem.readBase64fromText(self.smime_capabilities_pem_text)
|
|
asn1Object, rest = der_decode(substrate,
|
|
asn1Spec=self.asn1Spec,
|
|
decodeOpenTypes=True)
|
|
assert not rest
|
|
assert asn1Object.prettyPrint()
|
|
assert der_encode(asn1Object) == substrate
|
|
|
|
parameterValue = {
|
|
rfc6664.rsaEncryption: lambda x: x['maxKeySize'],
|
|
rfc6664.id_RSAES_OAEP: lambda x: x['maxKeySize'],
|
|
rfc6664.id_RSASSA_PSS: lambda x: x['minKeySize'],
|
|
rfc6664.id_dsa: lambda x: x['keySizes']['maxKeySize'],
|
|
rfc6664.dhpublicnumber: lambda x: x['keyParams']['q'] % 1023,
|
|
rfc6664.id_ecPublicKey: lambda x: x[0]['namedCurve'],
|
|
rfc6664.id_ecMQV: lambda x: x[1]['namedCurve'],
|
|
}
|
|
|
|
expectedValue = {
|
|
rfc6664.rsaEncryption: 4096,
|
|
rfc6664.id_RSAES_OAEP: 4096,
|
|
rfc6664.id_RSASSA_PSS: 1024,
|
|
rfc6664.id_dsa: 3072,
|
|
rfc6664.dhpublicnumber: 257,
|
|
rfc6664.id_ecPublicKey: rfc5480.secp256r1,
|
|
rfc6664.id_ecMQV: rfc5480.secp384r1,
|
|
}
|
|
|
|
count = 0
|
|
for cap in asn1Object:
|
|
if cap['capabilityID'] in parameterValue.keys():
|
|
pValue = parameterValue[cap['capabilityID']](cap['parameters'])
|
|
eValue = expectedValue[cap['capabilityID']]
|
|
assert pValue == eValue
|
|
count += 1
|
|
|
|
assert count == 7
|
|
|
|
|
|
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
|
|
|
|
if __name__ == '__main__':
|
|
import sys
|
|
|
|
result = unittest.TextTestRunner(verbosity=2).run(suite)
|
|
sys.exit(not result.wasSuccessful())
|