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89 lines
3.3 KiB
89 lines
3.3 KiB
4 months ago
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#
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# This file is part of pyasn1-modules software.
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#
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# Created by Russ Housley
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# Copyright (c) 2019, Vigil Security, LLC
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# License: http://snmplabs.com/pyasn1/license.html
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#
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import sys
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from pyasn1.codec.der.decoder import decode as der_decode
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from pyasn1.codec.der.encoder import encode as der_encode
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from pyasn1.compat.octets import str2octs
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from pyasn1_modules import pem
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from pyasn1_modules import rfc5652
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from pyasn1_modules import rfc6032
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from pyasn1_modules import rfc3565
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try:
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import unittest2 as unittest
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except ImportError:
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import unittest
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class EncryptedKeyPkgTestCase(unittest.TestCase):
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encrypted_key_pkg_pem_text = """\
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MIIBBwYKYIZIAWUCAQJOAqCB+DCB9QIBAjCBzgYKYIZIAWUCAQJOAjAdBglghkgB
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ZQMEASoEEN6HFteHMZ3DyeO35xIwWQOAgaCKTs0D0HguNzMhsLgiwG/Kw8OwX+GF
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9/cZ1YVNesUTW/VsbXJcbTmFmWyfqZsM4DLBegIbrUEHQZnQRq6/NO4ricQdHApD
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B/ip6RRqeN1yxMJLv1YN0zUOOIDBS2iMEjTLXZLWw3w22GN2JK7G+Lr4OH1NhMgU
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ILJyh/RePmPseMwxvcJs7liEfkiSNMtDfEcpjtzA9bDe95GjhQRsiSByoR8wHQYJ
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YIZIAWUCAQVCMRAEDnB0Zi1rZGMtODEyMzc0
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"""
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def setUp(self):
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self.asn1Spec = rfc5652.ContentInfo()
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def testDerCodec(self):
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substrate = pem.readBase64fromText(self.encrypted_key_pkg_pem_text)
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asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
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assert not rest
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assert asn1Object.prettyPrint()
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assert der_encode(asn1Object) == substrate
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assert asn1Object['contentType'] == rfc6032.id_ct_KP_encryptedKeyPkg
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content, rest = der_decode(asn1Object['content'], rfc6032.EncryptedKeyPackage())
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assert not rest
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assert content.prettyPrint()
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assert der_encode(content) == asn1Object['content']
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assert content.getName() == 'encrypted'
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eci = content['encrypted']['encryptedContentInfo']
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assert eci['contentType'] == rfc6032.id_ct_KP_encryptedKeyPkg
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attrType = content['encrypted']['unprotectedAttrs'][0]['attrType']
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assert attrType == rfc6032.id_aa_KP_contentDecryptKeyID
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attrVal0 = content['encrypted']['unprotectedAttrs'][0]['attrValues'][0]
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keyid, rest = der_decode(attrVal0, rfc6032.ContentDecryptKeyID())
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assert not rest
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assert keyid.prettyPrint()
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assert der_encode(keyid) == attrVal0
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assert keyid == b'ptf-kdc-812374'
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def testOpenTypes(self):
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substrate = pem.readBase64fromText(self.encrypted_key_pkg_pem_text)
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asn1Object, rest = der_decode(substrate,
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asn1Spec=self.asn1Spec,
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decodeOpenTypes=True)
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assert not rest
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assert asn1Object.prettyPrint()
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assert der_encode(asn1Object) == substrate
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assert asn1Object['contentType'] in rfc5652.cmsContentTypesMap
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eci = asn1Object['content']['encrypted']['encryptedContentInfo']
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assert eci['contentType'] in rfc5652.cmsContentTypesMap
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for attr in asn1Object['content']['encrypted']['unprotectedAttrs']:
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assert attr['attrType'] in rfc5652.cmsAttributesMap.keys()
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assert attr['attrValues'][0].prettyPrint()[:2] != '0x'
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if attr['attrType'] == rfc6032.id_aa_KP_contentDecryptKeyID:
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assert attr['attrValues'][0] == str2octs('ptf-kdc-812374')
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suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
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if __name__ == '__main__':
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unittest.TextTestRunner(verbosity=2).run(suite)
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