1 files changed, 73 insertions, 0 deletions
diff --git a/tests/test_rfc6187.py b/tests/test_rfc6187.py
new file mode 100644
index 0000000..e821d77
--- /dev/null
+++ b/tests/test_rfc6187.py
@@ -0,0 +1,73 @@
+#
+# 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 rfc5280
+from pyasn1_modules import rfc6187
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+
+
+class SSHClientCertificateTestCase(unittest.TestCase):
+    cert_pem_text = """\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+"""
+
+    def setUp(self):
+        self.asn1Spec = rfc5280.Certificate()
+
+    def testDerCodec(self):
+        ssh_eku_oids = [
+            rfc6187.id_kp_secureShellClient,
+            rfc6187.id_kp_secureShellServer,
+        ]
+
+        substrate = pem.readBase64fromText(self.cert_pem_text)
+        asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
+        assert not rest
+        assert asn1Object.prettyPrint()
+        assert der_encode(asn1Object) == substrate
+
+        count = 0
+        for extn in asn1Object['tbsCertificate']['extensions']:
+            if extn['extnID'] == rfc5280.id_ce_extKeyUsage:
+                extnValue, rest = der_decode(extn['extnValue'],
+                    asn1Spec=rfc5280.ExtKeyUsageSyntax())
+                for oid in extnValue:
+                    if oid in ssh_eku_oids:
+                        count += 1
+
+        assert count == 1
+
+
+suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+
+if __name__ == '__main__':
+    import sys
+
+    result = unittest.TextTestRunner(verbosity=2).run(suite)
+    sys.exit(not result.wasSuccessful())