Create rfc5083.py
diff --git a/pyasn1_modules/rfc5083.py b/pyasn1_modules/rfc5083.py
new file mode 100644
index 0000000..5240aaa
--- /dev/null
+++ b/pyasn1_modules/rfc5083.py
@@ -0,0 +1,46 @@
+# This file is being contributed to of pyasn1-modules software.
+#
+# Created by Russ Housley without assistance from the asn1ate tool.
+# Copyright (c) 2018, Vigil Security, LLC
+# License: http://snmplabs.com/pyasn1/license.html
+#
+# Authenticated-Enveloped-Data for the Cryptographic Message Syntax (CMS)
+#
+# ASN.1 source from:
+# https://www.rfc-editor.org/rfc/rfc5083.txt
+
+from pyasn1.type import namedtype, tag, univ
+from pyasn1_modules import rfc5652
+
+
+MAX = float('inf')
+
+
+def _buildOid(*components):
+ output = []
+ for x in tuple(components):
+ if isinstance(x, univ.ObjectIdentifier):
+ output.extend(list(x))
+ else:
+ output.append(int(x))
+ return univ.ObjectIdentifier(output)
+
+
+id_ct_authEnvelopedData = _buildOid(1, 2, 840, 113549, 1, 9, 16, 1, 23)
+
+
+class AuthEnvelopedData(univ.Sequence):
+ pass
+
+AuthEnvelopedData.componentType = namedtype.NamedTypes(
+ namedtype.NamedType('version', rfc5652.CMSVersion()),
+ namedtype.OptionalNamedType('originatorInfo', rfc5652.OriginatorInfo().subtype(
+ implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0))),
+ namedtype.NamedType('recipientInfos', rfc5652.RecipientInfos()),
+ namedtype.NamedType('authEncryptedContentInfo', rfc5652.EncryptedContentInfo()),
+ namedtype.OptionalNamedType('authAttrs', rfc5652.AuthAttributes().subtype(
+ implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))),
+ namedtype.NamedType('mac', rfc5652.MessageAuthenticationCode()),
+ namedtype.OptionalNamedType('unauthAttrs', rfc5652.UnauthAttributes().subtype(
+ implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2)))
+)