Code

Code/venv/lib/python3.13/site-packages/pyasn1_modules/rfc3274.py

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+#
+# This file is part of pyasn1-modules software.
+#
+# Created by Russ Housley with assistance from asn1ate v.0.6.0.
+# Modified by Russ Housley to add a map for use with opentypes.
+#
+# Copyright (c) 2019, Vigil Security, LLC
+# License: http://snmplabs.com/pyasn1/license.html
+#
+# CMS Compressed Data Content Type
+#
+# ASN.1 source from:
+# https://www.rfc-editor.org/rfc/rfc3274.txt
+#
+
+from pyasn1.type import namedtype
+from pyasn1.type import univ
+
+from pyasn1_modules import rfc5280
+from pyasn1_modules import rfc5652
+
+
+class CompressionAlgorithmIdentifier(rfc5280.AlgorithmIdentifier):
+    pass
+
+
+# The CMS Compressed Data Content Type
+
+id_ct_compressedData = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.9')
+
+class CompressedData(univ.Sequence):
+    pass
+
+CompressedData.componentType = namedtype.NamedTypes(
+    namedtype.NamedType('version', rfc5652.CMSVersion()), # Always set to 0
+    namedtype.NamedType('compressionAlgorithm', CompressionAlgorithmIdentifier()),
+    namedtype.NamedType('encapContentInfo', rfc5652.EncapsulatedContentInfo())
+)
+
+
+# Algorithm identifier for the zLib Compression Algorithm
+# This includes cpa_zlibCompress as defined in RFC 6268,
+# from https://www.rfc-editor.org/rfc/rfc6268.txt
+
+id_alg_zlibCompress = univ.ObjectIdentifier('1.2.840.113549.1.9.16.3.8')
+
+cpa_zlibCompress = rfc5280.AlgorithmIdentifier()
+cpa_zlibCompress['algorithm'] = id_alg_zlibCompress
+# cpa_zlibCompress['parameters'] are absent
+
+
+# Map of Content Type OIDs to Content Types is added to thr
+# ones that are in rfc5652.py
+
+_cmsContentTypesMapUpdate = {
+    id_ct_compressedData: CompressedData(),
+}
+
+rfc5652.cmsContentTypesMap.update(_cmsContentTypesMapUpdate)