Add RFC4108 (#25)

Add CMS Firmware Wrapper (RFC4108)

1 files changed, 80 insertions, 0 deletions

diff --git a/tests/test_rfc4108.py b/tests/test_rfc4108.py
new file mode 100644
index 0000000..49514b1
--- /dev/null
+++ b/tests/test_rfc4108.py
@@ -0,0 +1,80 @@
+#
+# 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 = """\
+MIIEdwYJKoZIhvcNAQcCoIIEaDCCBGQCAQExDTALBglghkgBZQMEAgEwggIVBgsq
+hkiG9w0BCRABEKCCAgQEggIA3ntqPr5kDpx+//pgWGfHCH/Ht4pbenGwXv80txyE
+Y0I2mT9BUGz8ILkbhD7Xz89pBS5KhEJpthxH8WREJtvS+wL4BqYLt23wjWoZy5Gt
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+RJNFP9vpDM8CxJIqcobC5Kuv8b0GqGfGl6ouuQKEVMfBcrupgjk3oc3KL1iVdSr1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+"""
+
+    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']
+
+        found_target_hardware_identifier_attribute = False
+        for attr in inner['signerInfos'][0]['signedAttrs']:
+            if attr['attrType'] == rfc4108.id_aa_targetHardwareIDs:
+                found_target_hardware_identifier_attribute = True
+        assert found_target_hardware_identifier_attribute
+
+
+suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+
+if __name__ == '__main__':
+    unittest.TextTestRunner(verbosity=2).run(suite)