Code

Code/venv/lib/python3.13/site-packages/pyasn1_modules/rfc4010.py

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+#
+# 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
+#
+# SEED Encryption Algorithm in CMS
+#
+# ASN.1 source from:
+# https://www.rfc-editor.org/rfc/rfc4010.txt
+#
+
+from pyasn1.type import constraint
+from pyasn1.type import univ
+
+from pyasn1_modules import rfc5280
+from pyasn1_modules import rfc5751
+
+
+id_seedCBC = univ.ObjectIdentifier('1.2.410.200004.1.4')
+
+
+id_npki_app_cmsSeed_wrap = univ.ObjectIdentifier('1.2.410.200004.7.1.1.1')
+
+
+class SeedIV(univ.OctetString):
+    subtypeSpec = constraint.ValueSizeConstraint(16, 16)
+
+
+class SeedCBCParameter(SeedIV):
+    pass
+
+
+class SeedSMimeCapability(univ.Null):
+    pass
+
+
+# Update the Algorithm Identifier map in rfc5280.py.
+
+_algorithmIdentifierMapUpdate = {
+    id_seedCBC: SeedCBCParameter(),
+    id_npki_app_cmsSeed_wrap: univ.Null(""),
+}
+
+rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)
+
+
+# Update the SMIMECapabilities Attribute map in rfc5751.py
+
+_smimeCapabilityMapUpdate = {
+    id_seedCBC: SeedSMimeCapability(),
+    id_npki_app_cmsSeed_wrap: SeedSMimeCapability(),
+
+}
+
+rfc5751.smimeCapabilityMap.update(_smimeCapabilityMapUpdate)