1 files changed, 183 insertions, 0 deletions
diff --git a/tests/test_rfc5035.py b/tests/test_rfc5035.py
new file mode 100644
index 0000000..b031c1b
--- /dev/null
+++ b/tests/test_rfc5035.py
@@ -0,0 +1,183 @@
+#
+# This file is part of pyasn1-modules software.
+#
+# Created by Russ Housley
+# 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 rfc5652
+from pyasn1_modules import rfc5035
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+
+
+class SignedMessageTestCase(unittest.TestCase):
+    signed_message_pem_text = """\
+MIIFzAYJKoZIhvcNAQcCoIIFvTCCBbkCAQExDTALBglghkgBZQMEAgIwUQYJKoZI
+hvcNAQcBoEQEQkNvbnRlbnQtVHlwZTogdGV4dC9wbGFpbg0KDQpXYXRzb24sIGNv
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+PAQgx08hD2QnVwj1DoeRELNtdZ0PffW4BQIvcwwVc/goU6OAAQEwFTATgRFhbGlj
+ZUBleGFtcGxlLmNvbTCBmwYLKoZIhvcNAQkQAi8xgYswgYgwdjB0BCACcp04gyM2
+dTDg+0ydCwlucr6Mg8Wd3J3c9V+iLHsnZzBQMEOkQTA/MQswCQYDVQQGEwJVUzEL
+MAkGA1UECAwCVkExEDAOBgNVBAcMB0hlcm5kb24xETAPBgNVBAoMCEJvZ3VzIENB
+AgkApbNUKBuwbjswDjAMBgorBgEEAYGsYAEBMAoGCCqGSM49BAMDBGcwZQIxAO3K
+D9YjFTKE3p383VVw/ol79WTVoMea4H1+7xn+3E1XO4oyb7qwQz0KmsGfdqWptgIw
+T9yMtRLN5ZDU14y+Phzq9NKpSw/x5KyXoUKjCMc3Ru6dIW+CgcRQees+dhnvuD5U
+"""
+
+    def setUp(self):
+        self.asn1Spec = rfc5652.ContentInfo()
+
+    def testDerCodec(self):
+        substrate = pem.readBase64fromText(self.signed_message_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
+        sd, rest = der_decode(asn1Object['content'], asn1Spec=rfc5652.SignedData())
+        assert not rest
+        assert sd.prettyPrint()
+        assert der_encode(sd) == asn1Object['content'] 
+       
+        for sa in sd['signerInfos'][0]['signedAttrs']:
+            sat = sa['attrType']
+            sav0 = sa['attrValues'][0]
+
+            if sat in rfc5035.ESSAttributeMap.keys():
+                sav, rest = der_decode(sav0, asn1Spec=rfc5035.ESSAttributeMap[sat])
+                assert not rest
+                assert sav.prettyPrint()
+                assert der_encode(sav) == sav0
+
+
+class SignedReceiptTestCase(unittest.TestCase):
+    signed_receipt_pem_text = """\
+MIIE3gYJKoZIhvcNAQcCoIIEzzCCBMsCAQMxDTALBglghkgBZQMEAgEwga4GCyqGSIb3DQEJ
+EAEBoIGeBIGbMIGYAgEBBgkqhkiG9w0BBwEEIMdPIQ9kJ1cI9Q6HkRCzbXWdD331uAUCL3MM
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+vFIgX7eIkd8=
+"""
+
+    def setUp(self):
+        self.asn1Spec = rfc5652.ContentInfo()
+
+    def testDerCodec(self):
+        substrate = pem.readBase64fromText(self.signed_receipt_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
+        sd, rest = der_decode (asn1Object['content'], asn1Spec=rfc5652.SignedData())
+        assert not rest
+        assert sd.prettyPrint()
+        assert der_encode(sd) == asn1Object['content']
+
+        assert sd['encapContentInfo']['eContentType'] == rfc5035.id_ct_receipt
+        receipt, rest = der_decode(sd['encapContentInfo']['eContent'],
+                                   asn1Spec=rfc5035.Receipt())
+        assert not rest
+        assert receipt.prettyPrint()
+        assert der_encode(receipt) == sd['encapContentInfo']['eContent']
+
+        for sa in sd['signerInfos'][0]['signedAttrs']:
+            sat = sa['attrType']
+            sav0 = sa['attrValues'][0]
+
+            if sat in rfc5035.ESSAttributeMap.keys():
+                sav, rest = der_decode(sav0, asn1Spec=rfc5035.ESSAttributeMap[sat])
+                assert not rest
+                assert sav.prettyPrint()
+                assert der_encode(sav) == sav0
+
+    def testOpenTypes(self):
+        substrate = pem.readBase64fromText(self.signed_receipt_pem_text)
+        rfc5652.cmsContentTypesMap.update(rfc5035.cmsContentTypesMapUpdate)
+        rfc5652.cmsAttributesMap.update(rfc5035.ESSAttributeMap)
+        asn1Object, rest = der_decode(substrate,
+            asn1Spec=self.asn1Spec, decodeOpenTypes=True)
+        assert not rest
+        assert asn1Object.prettyPrint()
+        assert der_encode(asn1Object) == substrate
+
+        assert asn1Object['contentType'] in rfc5652.cmsContentTypesMap.keys()
+        assert asn1Object['contentType'] == rfc5652.id_signedData
+
+        sd = asn1Object['content']
+        assert sd['version'] == rfc5652.CMSVersion().subtype(value='v3')
+        assert sd['encapContentInfo']['eContentType'] in rfc5652.cmsContentTypesMap.keys()
+        assert sd['encapContentInfo']['eContentType'] == rfc5035.id_ct_receipt
+
+        for sa in sd['signerInfos'][0]['signedAttrs']:
+            assert sa['attrType'] in rfc5652.cmsAttributesMap.keys()
+            if sa['attrType'] == rfc5035.id_aa_msgSigDigest:
+                sa['attrValues'][0].prettyPrint()[:10] == '0x167378'
+
+        # Since receipt is inside an OCTET STRING, decodeOpenTypes=True cannot
+        # automatically decode it 
+        receipt, rest = der_decode(sd['encapContentInfo']['eContent'],
+            asn1Spec=rfc5652.cmsContentTypesMap[sd['encapContentInfo']['eContentType']])
+        assert receipt['version'] == rfc5035.ESSVersion().subtype(value='v1')
+
+
+suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+
+if __name__ == '__main__':
+    import sys
+
+    result = unittest.TextTestRunner(verbosity=2).run(suite)
+    sys.exit(not result.wasSuccessful())