| # |
| # 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.type import univ |
| |
| from pyasn1_modules import pem |
| from pyasn1_modules import rfc5652 |
| from pyasn1_modules import rfc4108 |
| |
| try: |
| import unittest2 as unittest |
| except ImportError: |
| import unittest |
| |
| |
| class CMSFirmwareWrapperTestCase(unittest.TestCase): |
| pem_text = """\ |
| MIIEvAYJKoZIhvcNAQcCoIIErTCCBKkCAQExDTALBglghkgBZQMEAgEwggIVBgsq |
| hkiG9w0BCRABEKCCAgQEggIA3ntqPr5kDpx+//pgWGfHCH/Ht4pbenGwXv80txyE |
| Y0I2mT9BUGz8ILkbhD7Xz89pBS5KhEJpthxH8WREJtvS+wL4BqYLt23wjWoZy5Gt |
| 5dPzWgaNlV/aQ5AdfAY9ljmnNYnK8D8r8ur7bQM4cKUdxry+QA0nqXHMAOSpx4Um |
| 8impCc0BICXaFfL3zBrNxyPubbFO9ofbYOAWaNmmIAhzthXf12vDrLostIqmYrP4 |
| LMRCjTr4LeYaVrAWfKtbUbByN6IuBef3Qt5cJaChr74udz3JvbYFsUvCpl64kpRq |
| g2CT6R+xE4trO/pViJlI15dvJVz04BBYQ2jQsutJwChi97/DDcjIv03VBmrwRE0k |
| RJNFP9vpDM8CxJIqcobC5Kuv8b0GqGfGl6ouuQKEVMfBcrupgjk3oc3KL1iVdSr1 |
| +74amb1vDtTMWNm6vWRqh+Kk17NGEi2mNvYkkZUTIHNGH7OgiDclFU8dSMZd1fun |
| /D9dmiFiErDB3Fzr4+8Qz0aKedNE/1uvM+dhu9qjuRdkDzZ4S7txTfk6y9pG9iyk |
| aEeTV2kElKXblgi+Cf0Ut4f5he8rt6jveHdMo9X36YiUQVvevj2cgN7lFivEnFYV |
| QY0xugpP7lvEFDfsi2+0ozgP8EKOLYaCUKpuvttlYJ+vdtUFEijizEZ4cx02RsXm |
| EesxggJ6MIICdgIBA4AUnutnybladNRNLxY5ZoDoAbXLpJwwCwYJYIZIAWUDBAIB |
| oIG8MBoGCSqGSIb3DQEJAzENBgsqhkiG9w0BCRABEDArBgsqhkiG9w0BCRACJDEc |
| MBoGCysGAQQBjb9BAQEqBgsrBgEEAY2/QQEBMDAvBgkqhkiG9w0BCQQxIgQgAJfv |
| uasB4P6WDLOkOyvj33YPgZW4olHbidzyh1EKP9YwQAYLKoZIhvcNAQkQAikxMTAv |
| MAsGCWCGSAFlAwQCAQQgAJfvuasB4P6WDLOkOyvj33YPgZW4olHbidzyh1EKP9Yw |
| CwYJKoZIhvcNAQELBIIBgDivAlSLbMPPu+zV+pPcYpNp+A1mwVOytjMBzSo31kR/ |
| qEu+hVrDknAOk9IdCaDvcz612CcfNT85/KzrYvWWxOP2woU/vZj253SnndALpfNN |
| n3/crJjF6hKgkjUwoXebI7kuj5WCh2q5lkd6xUa+jkCw+CINcN43thtS66UsVI4d |
| mv02EvsS2cxPY/508uaQZ6AYAacm667bgX8xEjbzACMOeMCuvKQXWAuh3DkNk+gV |
| xizHDw7xZxXgMGMAnJglAeBtd3Si5ztILw9U2gKUqFn/nOgy+eW63JuU/q31/Hgg |
| ZATjyBznSzneTZrw8/ePoSCj7E9vBeCTUkeFbVB2tJK1iYDMblp6HUuwgYuGKXy/ |
| ZwKL3GvB11qg7ntdEyjdLq0xcVrht/K0d2dPo4iO4Ac7c1xbFMDAlWOt4FMPWh6O |
| iTh55YvT7hAJjTbB5ebgMA9QJnAczQPFnaIePnlFrkETd3YyLK4yHwnoIGo1GiW/ |
| dsnhVtIdkPtfJIvcYteYJg== |
| """ |
| |
| def setUp(self): |
| self.asn1Spec = rfc5652.ContentInfo() |
| |
| def testDerCodec(self): |
| substrate = pem.readBase64fromText(self.pem_text) |
| |
| asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec) |
| |
| assert not rest |
| assert asn1Object.prettyPrint() |
| assert der_encode(asn1Object) == substrate |
| |
| assert asn1Object['contentType'] == rfc5652.id_signedData |
| inner, rest = der_decode(asn1Object['content'], asn1Spec=rfc5652.SignedData()) |
| |
| assert inner['encapContentInfo']['eContentType'] == rfc4108.id_ct_firmwarePackage |
| assert inner['encapContentInfo']['eContent'] |
| |
| attribute_list = [ ] |
| for attr in inner['signerInfos'][0]['signedAttrs']: |
| attribute_list.append(attr['attrType']) |
| if attr['attrType'] == rfc4108.id_aa_targetHardwareIDs: |
| av, rest = der_decode(attr['attrValues'][0], |
| asn1Spec=rfc4108.TargetHardwareIdentifiers()) |
| assert len(av) == 2 |
| for oid in av: |
| assert '1.3.6.1.4.1.221121.1.1.' in oid.prettyPrint() |
| |
| assert rfc5652.id_contentType in attribute_list |
| assert rfc5652.id_messageDigest in attribute_list |
| assert rfc4108.id_aa_targetHardwareIDs in attribute_list |
| assert rfc4108.id_aa_fwPkgMessageDigest in attribute_list |
| |
| def testOpenTypes(self): |
| substrate = pem.readBase64fromText(self.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'] == rfc5652.id_signedData |
| sd_eci = asn1Object['content']['encapContentInfo'] |
| assert sd_eci['eContentType'] == rfc4108.id_ct_firmwarePackage |
| assert sd_eci['eContent'].hasValue() |
| |
| for attr in asn1Object['content']['signerInfos'][0]['signedAttrs']: |
| assert attr['attrType'] in rfc5652.cmsAttributesMap.keys() |
| if attr['attrType'] == rfc4108.id_aa_targetHardwareIDs: |
| for oid in attr['attrValues'][0]: |
| assert '1.3.6.1.4.1.221121.1.1.' in oid.prettyPrint() |
| |
| |
| suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) |
| |
| if __name__ == '__main__': |
| import sys |
| |
| result = unittest.TextTestRunner(verbosity=2).run(suite) |
| sys.exit(not result.wasSuccessful()) |