Python pyasn1.type.univ.OctetString() Examples
The following are 30
code examples of pyasn1.type.univ.OctetString().
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Example #1
| Source File: test_rfc7906.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
openTypesMap = rfc5280.certificateAttributesMap.copy()
openTypesMap.update(rfc5652.cmsAttributesMap)
substrate = pem.readBase64fromText(self.attr_set_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, openTypes=openTypesMap,
decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
for attr in asn1Object:
if attr['type'] == rfc7906.id_aa_KP_contentDecryptKeyID:
self.assertEqual(
univ.OctetString(hexValue='7906'), attr['values'][0])
Example #2
| Source File: extended.py From teleport with Apache License 2.0 | 6 votes |
|
def extended_operation(request_name,
request_value=None,
no_encode=None):
request = ExtendedRequest()
request['requestName'] = RequestName(request_name)
if request_value and isinstance(request_value, Asn1Item):
request['requestValue'] = RequestValue(encode(request_value))
elif str is not bytes and isinstance(request_value, (bytes, bytearray)): # in Python 3 doesn't try to encode a byte value
request['requestValue'] = request_value
elif request_value and no_encode: # doesn't encode the value
request['requestValue'] = request_value
elif request_value: # tries to encode as a octet string
request['requestValue'] = RequestValue(encode(OctetString(str(request_value))))
# elif request_value is not None:
# raise LDAPExtensionError('unable to encode value for extended operation')
return request
Example #3
| Source File: test_rfc3279.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.kea_cert_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
spki_a = asn1Object['tbsCertificate']['subjectPublicKeyInfo']['algorithm']
self.assertEqual(rfc3279.id_keyExchangeAlgorithm, spki_a['algorithm'])
self.assertEqual(
univ.OctetString(hexValue='5cf8f127e6569d6d88b3'), spki_a['parameters'])
self.assertEqual(rfc3279.id_dsa_with_sha1,
asn1Object['tbsCertificate']['signature']['algorithm'])
self.assertEqual(
rfc3279.id_dsa_with_sha1, asn1Object['signatureAlgorithm']['algorithm'])
Example #4
| Source File: char.py From teleport with Apache License 2.0 | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, str):
return value
elif isinstance(value, bytes):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(bytes(value))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return str(value)
except (UnicodeDecodeError, LookupError):
exc = sys.exc_info()[1]
raise error.PyAsn1UnicodeDecodeError(
"Can't decode string '%s' with codec "
"%s" % (value, self.encoding), exc
)
Example #5
| Source File: microsoft.py From teleport with Apache License 2.0 | 6 votes |
|
def dir_sync_control(criticality, object_security, ancestors_first, public_data_only, incremental_values, max_length, cookie):
control_value = DirSyncControlRequestValue()
flags = 0x0
if object_security:
flags |= 0x00000001
if ancestors_first:
flags |= 0x00000800
if public_data_only:
flags |= 0x00002000
if incremental_values:
flags |= 0x80000000
# converts flags to signed 32 bit (AD expects a 4 bytes long unsigned integer, but ASN.1 Integer type is signed
# so the BER encoder gives back a 5 bytes long signed integer
flags = ctypes.c_long(flags & 0xFFFFFFFF).value
control_value.setComponentByName('Flags', flags)
control_value.setComponentByName('MaxBytes', max_length)
if cookie:
control_value.setComponentByName('Cookie', cookie)
else:
control_value.setComponentByName('Cookie', OctetString(''))
return build_control('1.2.840.113556.1.4.841', criticality, control_value)
Example #6
| Source File: char.py From teleport with Apache License 2.0 | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, unicode):
return value
elif isinstance(value, str):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(''.join([chr(x) for x in value]))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return unicode(value)
except (UnicodeDecodeError, LookupError):
exc = sys.exc_info()[1]
raise error.PyAsn1UnicodeDecodeError(
"Can't decode string '%s' with codec "
"%s" % (value, self.encoding), exc
)
Example #7
| Source File: char.py From teleport with Apache License 2.0 | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, str):
return value
elif isinstance(value, bytes):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(bytes(value))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return str(value)
except (UnicodeDecodeError, LookupError):
raise error.PyAsn1Error(
"Can't decode string '%s' with codec %s" % (value, self.encoding)
)
Example #8
| Source File: char.py From teleport with Apache License 2.0 | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, str):
return value
elif isinstance(value, bytes):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(bytes(value))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return str(value)
except (UnicodeDecodeError, LookupError):
exc = sys.exc_info()[1]
raise error.PyAsn1UnicodeDecodeError(
"Can't decode string '%s' with codec "
"%s" % (value, self.encoding), exc
)
Example #9
| Source File: char.py From teleport with Apache License 2.0 | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, unicode):
return value
elif isinstance(value, str):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(''.join([chr(x) for x in value]))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return unicode(value)
except (UnicodeDecodeError, LookupError):
raise error.PyAsn1Error(
"Can't decode string '%s' with codec %s" % (value, self.encoding)
)
Example #10
| Source File: test_rfc2876.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.env_data_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
self.assertIn(asn1Object['contentType'], rfc5652.cmsContentTypesMap.keys())
kari_kea = asn1Object['content']['recipientInfos'][0]['kari']['keyEncryptionAlgorithm']
self.assertEqual(rfc2876.id_kEAKeyEncryptionAlgorithm, kari_kea['algorithm'])
self.assertEqual(rfc2876.id_fortezzaWrap80, kari_kea['parameters']['algorithm'])
cea = asn1Object['content']['encryptedContentInfo']['contentEncryptionAlgorithm']
self.assertEqual(rfc2876.id_fortezzaConfidentialityAlgorithm, cea['algorithm'])
iv = univ.OctetString(hexValue='424f4755535f4956')
self.assertEqual(iv, cea['parameters']['initialization-vector'])
Example #11
| Source File: test_rfc4010.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.env_data_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
self.assertTrue(asn1Object['contentType'] in rfc5652.cmsContentTypesMap.keys())
kekri = asn1Object['content']['recipientInfos'][0]['kekri']
kwa = kekri['keyEncryptionAlgorithm']
self.assertEqual(rfc4010.id_npki_app_cmsSeed_wrap, kwa['algorithm'])
eci = asn1Object['content']['encryptedContentInfo']
cea = eci['contentEncryptionAlgorithm']
self.assertEqual(rfc4010.id_seedCBC, cea['algorithm'])
iv = univ.OctetString(hexValue='424f47555349565f424f475553495621')
self.assertEqual(iv, cea['parameters'])
Example #12
| Source File: test_rfc4055.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.oaep_full_pem_text)
asn1Object, rest = der_decoder.decode(substrate,
asn1Spec=self.asn1Spec,
decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder.encode(asn1Object))
self.assertTrue(asn1Object['parameters'].hasValue())
oaep_p = asn1Object['parameters']
self.assertEqual(univ.Null(""), oaep_p['hashFunc']['parameters'])
self.assertEqual(
univ.Null(""), oaep_p['maskGenFunc']['parameters']['parameters'])
self.assertEqual(
univ.OctetString(value='foobar'),
oaep_p['pSourceFunc']['parameters'])
Example #13
| Source File: test_rfc3370.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.env_data_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
self.assertTrue(asn1Object['contentType'] in rfc5652.cmsContentTypesMap.keys())
ri0 = asn1Object['content']['recipientInfos'][0]
kwa = ri0['kekri']['keyEncryptionAlgorithm']
self.assertEqual(rfc3370.id_alg_CMSRC2wrap, kwa['algorithm'])
self.assertEqual(58, kwa['parameters'])
eci = asn1Object['content']['encryptedContentInfo']
cea = eci['contentEncryptionAlgorithm']
self.assertEqual(rfc3370.rc2CBC, cea['algorithm'])
iv = univ.OctetString(hexValue='424f4755535f4956')
self.assertEqual(iv, cea['parameters']['iv'])
self.assertEqual(58, cea['parameters']['rc2ParameterVersion'])
Example #14
| Source File: test_rfc8479.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
for attr in asn1Object['attributes']:
self.assertIn(attr['attrType'], rfc5652.cmsAttributesMap)
if attr['attrType'] == rfc8479.id_attr_validation_parameters:
av = attr['attrValues'][0]
self.assertEqual(av['hashAlg'], rfc4055.id_sha384)
seed = univ.OctetString(hexValue='8af4328c87bebcec31e303b8f553'
'7effcb6a91d947084d99a369823b'
'36f01462')
self.assertEqual(seed, av['seed'])
Example #15
| Source File: test_rfc7906.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testDerCodec(self):
substrate = pem.readBase64fromText(self.attr_set_pem_text)
asn1Object, rest = der_decoder(substrate, asn1Spec=self.asn1Spec)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
for attr in asn1Object:
self.assertIn(attr['type'], rfc5652.cmsAttributesMap)
av, rest = der_decoder(
attr['values'][0],
asn1Spec=rfc5652.cmsAttributesMap[attr['type']])
self.assertFalse(rest)
self.assertTrue(av.prettyPrint())
self.assertEqual(attr['values'][0], der_encoder(av))
if attr['type'] == rfc7906.id_aa_KP_contentDecryptKeyID:
self.assertEqual(univ.OctetString(hexValue='7906'), av)
Example #16
| Source File: microsoft.py From teleport with Apache License 2.0 | 6 votes |
|
def dir_sync_control(criticality, object_security, ancestors_first, public_data_only, incremental_values, max_length, cookie):
control_value = DirSyncControlRequestValue()
flags = 0x0
if object_security:
flags |= 0x00000001
if ancestors_first:
flags |= 0x00000800
if public_data_only:
flags |= 0x00002000
if incremental_values:
flags |= 0x80000000
# converts flags to signed 32 bit (AD expects a 4 bytes long unsigned integer, but ASN.1 Integer type is signed
# so the BER encoder gives back a 5 bytes long signed integer
flags = ctypes.c_long(flags & 0xFFFFFFFF).value
control_value.setComponentByName('Flags', flags)
control_value.setComponentByName('MaxBytes', max_length)
if cookie:
control_value.setComponentByName('Cookie', cookie)
else:
control_value.setComponentByName('Cookie', OctetString(''))
return build_control('1.2.840.113556.1.4.841', criticality, control_value)
Example #17
| Source File: test_rfc3058.py From pyasn1-modules with BSD 2-Clause "Simplified" License | 6 votes |
|
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.env_data_pem_text)
asn1Object, rest = der_decoder(
substrate, asn1Spec=self.asn1Spec, decodeOpenTypes=True)
self.assertFalse(rest)
self.assertTrue(asn1Object.prettyPrint())
self.assertEqual(substrate, der_encoder(asn1Object))
kekri = asn1Object['content']['recipientInfos'][0]['kekri']
kwa = kekri['keyEncryptionAlgorithm']
self.assertEqual(rfc3058.id_alg_CMSIDEAwrap, kwa['algorithm'])
self.assertEqual(univ.Null(""), kwa['parameters'])
eci = asn1Object['content']['encryptedContentInfo']
cea = eci['contentEncryptionAlgorithm']
self.assertEqual(rfc3058.id_IDEA_CBC, cea['algorithm'])
iv = univ.OctetString(hexValue='424f4755535f4956')
self.assertEqual(iv, cea['parameters']['iv'])
Example #18
| Source File: char.py From learn_python3_spider with MIT License | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, unicode):
return value
elif isinstance(value, str):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(''.join([chr(x) for x in value]))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return unicode(value)
except (UnicodeDecodeError, LookupError):
exc = sys.exc_info()[1]
raise error.PyAsn1UnicodeDecodeError(
"Can't decode string '%s' with codec "
"%s" % (value, self.encoding), exc
)
Example #19
| Source File: char.py From learn_python3_spider with MIT License | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, str):
return value
elif isinstance(value, bytes):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(bytes(value))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return str(value)
except (UnicodeDecodeError, LookupError):
exc = sys.exc_info()[1]
raise error.PyAsn1UnicodeDecodeError(
"Can't decode string '%s' with codec "
"%s" % (value, self.encoding), exc
)
Example #20
| Source File: char.py From bash-lambda-layer with MIT License | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, unicode):
return value
elif isinstance(value, str):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(''.join([chr(x) for x in value]))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return unicode(value)
except (UnicodeDecodeError, LookupError):
raise error.PyAsn1Error(
"Can't decode string '%s' with codec %s" % (value, self.encoding)
)
Example #21
| Source File: char.py From bash-lambda-layer with MIT License | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, str):
return value
elif isinstance(value, bytes):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(bytes(value))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return str(value)
except (UnicodeDecodeError, LookupError):
raise error.PyAsn1Error(
"Can't decode string '%s' with codec %s" % (value, self.encoding)
)
Example #22
| Source File: aes.py From scalyr-agent-2 with Apache License 2.0 | 6 votes |
|
def __getEncryptionKey(self, privKey, snmpEngineBoots, snmpEngineTime):
salt = [
self._localInt>>56&0xff,
self._localInt>>48&0xff,
self._localInt>>40&0xff,
self._localInt>>32&0xff,
self._localInt>>24&0xff,
self._localInt>>16&0xff,
self._localInt>>8&0xff,
self._localInt&0xff
]
if self._localInt == 0xffffffffffffffff:
self._localInt = 0
else:
self._localInt = self._localInt + 1
return self.__getDecryptionKey(
privKey, snmpEngineBoots, snmpEngineTime, salt
) + ( univ.OctetString(salt).asOctets(), )
Example #23
| Source File: aes.py From scalyr-agent-2 with Apache License 2.0 | 6 votes |
|
def __getDecryptionKey(self, privKey, snmpEngineBoots,
snmpEngineTime, salt):
snmpEngineBoots, snmpEngineTime, salt = (
int(snmpEngineBoots), int(snmpEngineTime), salt
)
iv = [ snmpEngineBoots>>24&0xff,
snmpEngineBoots>>16&0xff,
snmpEngineBoots>>8&0xff,
snmpEngineBoots&0xff,
snmpEngineTime>>24&0xff,
snmpEngineTime>>16&0xff,
snmpEngineTime>>8&0xff,
snmpEngineTime&0xff ] + salt
return privKey[:self.keySize].asOctets(), univ.OctetString(iv).asOctets()
Example #24
| Source File: des.py From scalyr-agent-2 with Apache License 2.0 | 6 votes |
|
def __getEncryptionKey(self, privKey, snmpEngineBoots):
desKey = privKey[:8]
preIV = privKey[8:16]
securityEngineBoots = int(snmpEngineBoots)
salt = [
securityEngineBoots>>24&0xff,
securityEngineBoots>>16&0xff,
securityEngineBoots>>8&0xff,
securityEngineBoots&0xff,
self._localInt>>24&0xff,
self._localInt>>16&0xff,
self._localInt>>8&0xff,
self._localInt&0xff
]
if self._localInt == 0xffffffff:
self._localInt = 0
else:
self._localInt = self._localInt + 1
return desKey.asOctets(), \
univ.OctetString(salt).asOctets(), \
univ.OctetString(map(lambda x,y:x^y,salt,preIV.asNumbers())).asOctets()
Example #25
| Source File: localkey.py From scalyr-agent-2 with Apache License 2.0 | 6 votes |
|
def hashPassphraseMD5(passphrase):
passphrase = univ.OctetString(passphrase).asOctets()
md = md5()
ringBuffer = passphrase * (passphrase and (64//len(passphrase)+1) or 1)
ringBufferLen = len(ringBuffer)
count = 0
mark = 0
while count < 16384:
e = mark + 64
if e < ringBufferLen:
md.update(ringBuffer[mark:e])
mark = e
else:
md.update(
ringBuffer[mark:ringBufferLen] + ringBuffer[0:e-ringBufferLen]
)
mark = e-ringBufferLen
count = count + 1
return md.digest()
Example #26
| Source File: localkey.py From scalyr-agent-2 with Apache License 2.0 | 6 votes |
|
def hashPassphraseSHA(passphrase):
passphrase = univ.OctetString(passphrase).asOctets()
md = sha1()
ringBuffer = passphrase * (64//len(passphrase)+1)
ringBufferLen = len(ringBuffer)
count = 0
mark = 0
while count < 16384:
e = mark + 64
if e < ringBufferLen:
md.update(ringBuffer[mark:e])
mark = e
else:
md.update(
ringBuffer[mark:ringBufferLen] + ringBuffer[0:e-ringBufferLen]
)
mark = e-ringBufferLen
count = count + 1
return md.digest()
Example #27
| Source File: securityblob.py From addon with GNU General Public License v3.0 | 6 votes |
|
def generateNegotiateSecurityBlob(ntlm_data):
mech_token = univ.OctetString(ntlm_data).subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2))
mech_types = MechTypeList().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))
mech_types.setComponentByPosition(0, univ.ObjectIdentifier('1.3.6.1.4.1.311.2.2.10'))
n = NegTokenInit().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))
n.setComponentByName('mechTypes', mech_types)
n.setComponentByName('mechToken', mech_token)
nt = NegotiationToken()
nt.setComponentByName('negTokenInit', n)
ct = ContextToken()
ct.setComponentByName('thisMech', univ.ObjectIdentifier('1.3.6.1.5.5.2'))
ct.setComponentByName('innerContextToken', nt)
return encoder.encode(ct)
Example #28
| Source File: char.py From luci-py with Apache License 2.0 | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, unicode):
return value
elif isinstance(value, str):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(''.join([chr(x) for x in value]))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return unicode(value)
except (UnicodeDecodeError, LookupError):
raise error.PyAsn1Error(
"Can't decode string '%s' with codec %s" % (value, self.encoding)
)
Example #29
| Source File: char.py From luci-py with Apache License 2.0 | 6 votes |
|
def prettyIn(self, value):
try:
if isinstance(value, str):
return value
elif isinstance(value, bytes):
return value.decode(self.encoding)
elif isinstance(value, (tuple, list)):
return self.prettyIn(bytes(value))
elif isinstance(value, univ.OctetString):
return value.asOctets().decode(self.encoding)
else:
return str(value)
except (UnicodeDecodeError, LookupError):
raise error.PyAsn1Error(
"Can't decode string '%s' with codec %s" % (value, self.encoding)
)
Example #30
| Source File: securityblob.py From pelisalacarta-ce with GNU General Public License v3.0 | 6 votes |
|
def generateNegotiateSecurityBlob(ntlm_data):
mech_token = univ.OctetString(ntlm_data).subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2))
mech_types = MechTypeList().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))
mech_types.setComponentByPosition(0, univ.ObjectIdentifier('1.3.6.1.4.1.311.2.2.10'))
n = NegTokenInit().subtype(explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))
n.setComponentByName('mechTypes', mech_types)
n.setComponentByName('mechToken', mech_token)
nt = NegotiationToken()
nt.setComponentByName('negTokenInit', n)
ct = ContextToken()
ct.setComponentByName('thisMech', univ.ObjectIdentifier('1.3.6.1.5.5.2'))
ct.setComponentByName('innerContextToken', nt)
return encoder.encode(ct)
