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-rw-r--r--pyasn1_modules/rfc3565.py23
1 files changed, 22 insertions, 1 deletions
diff --git a/pyasn1_modules/rfc3565.py b/pyasn1_modules/rfc3565.py
index c4b742d..ec75e23 100644
--- a/pyasn1_modules/rfc3565.py
+++ b/pyasn1_modules/rfc3565.py
@@ -1,3 +1,8 @@
+# This file is being contributed to pyasn1-modules software.
+#
+# Created by Russ Housley.
+# Modified by Russ Housley to add maps for use with opentypes.
+#
# Copyright (c) 2019, Vigil Security, LLC
# License: http://snmplabs.com/pyasn1/license.html
#
@@ -7,6 +12,7 @@
# ASN.1 source from:
# https://www.rfc-editor.org/rfc/rfc3565.txt
+
from pyasn1.type import constraint
from pyasn1.type import univ
@@ -20,17 +26,32 @@ class AlgorithmIdentifier(rfc5280.AlgorithmIdentifier):
class AES_IV(univ.OctetString):
pass
-
AES_IV.subtypeSpec = constraint.ValueSizeConstraint(16, 16)
+
id_aes128_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.2')
id_aes192_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.22')
id_aes256_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.42')
+
id_aes128_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.5')
id_aes192_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.25')
id_aes256_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.45')
+
+
+# Update the Algorithm Identifier map
+
+_algorithmIdentifierMapUpdate = {
+ id_aes128_CBC: AES_IV(),
+ id_aes192_CBC: AES_IV(),
+ id_aes256_CBC: AES_IV(),
+ id_aes128_wrap: univ.Null(),
+ id_aes192_wrap: univ.Null(),
+ id_aes256_wrap: univ.Null(),
+}
+
+rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)