Code

Code/venv/lib/python3.13/site-packages/pyasn1_modules/rfc5636.py

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+# This file is being contributed to pyasn1-modules software.
+#
+# Created by Russ Housley.
+#
+# Copyright (c) 2019, Vigil Security, LLC
+# License: http://snmplabs.com/pyasn1/license.html
+#
+# Traceable Anonymous Certificate
+#
+# ASN.1 source from:
+# https://www.rfc-editor.org/rfc/rfc5480.txt
+
+from pyasn1.type import namedtype
+from pyasn1.type import univ
+from pyasn1.type import useful
+
+from pyasn1_modules import rfc5652
+
+
+# Imports from RFC 5652
+
+ContentInfo = rfc5652.ContentInfo
+
+EncapsulatedContentInfo = rfc5652.EncapsulatedContentInfo
+
+id_data = rfc5652.id_data
+
+
+# Object Identifiers
+
+id_KISA = univ.ObjectIdentifier((1, 2, 410, 200004,))
+
+
+id_npki = id_KISA + (10,)
+
+
+id_attribute = id_npki + (1,)
+
+
+id_kisa_tac = id_attribute + (1,)
+
+
+id_kisa_tac_token = id_kisa_tac + (1,)
+
+
+id_kisa_tac_tokenandblindbash = id_kisa_tac + (2,)
+
+
+id_kisa_tac_tokenandpartially = id_kisa_tac + (3,)
+
+
+# Structures for Traceable Anonymous Certificate (TAC)
+
+class UserKey(univ.OctetString):
+    pass
+
+
+class Timeout(useful.GeneralizedTime):
+    pass
+
+
+class BlinedCertificateHash(univ.OctetString):
+    pass
+
+
+class PartiallySignedCertificateHash(univ.OctetString):
+    pass
+
+
+class Token(ContentInfo):
+    pass
+
+
+class TokenandBlindHash(ContentInfo):
+    pass
+
+
+class TokenandPartiallySignedCertificateHash(ContentInfo):
+    pass
+
+
+# Added to the module in RFC 5636 for the CMS Content Type Map
+
+class TACToken(univ.Sequence):
+    componentType = namedtype.NamedTypes(
+        namedtype.NamedType('userKey', UserKey()),
+        namedtype.NamedType('timeout', Timeout())
+    )
+
+
+class TACTokenandBlindHash(univ.Sequence):
+    componentType = namedtype.NamedTypes(
+        namedtype.NamedType('token', Token()),
+        namedtype.NamedType('blinded', BlinedCertificateHash())
+    )
+
+
+class TACTokenandPartiallySignedCertificateHash(univ.Sequence):
+    componentType = namedtype.NamedTypes(
+        namedtype.NamedType('token', Token()),
+        namedtype.NamedType('partially', PartiallySignedCertificateHash())
+    )
+
+
+# Add to the CMS Content Type Map in rfc5752.py
+
+_cmsContentTypesMapUpdate = {
+    id_kisa_tac_token: TACToken(),
+    id_kisa_tac_tokenandblindbash: TACTokenandBlindHash(),
+    id_kisa_tac_tokenandpartially: TACTokenandPartiallySignedCertificateHash(),
+}
+
+rfc5652.cmsContentTypesMap.update(_cmsContentTypesMapUpdate)