Source code
Revision control
Copy as Markdown
Other Tools
# 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
#
# Use of the Advanced Encryption Standard (AES) Encryption
# Algorithm in the Cryptographic Message Syntax (CMS)
#
# ASN.1 source from:
from pyasn1.type import constraint
from pyasn1.type import univ
from pyasn1_modules import rfc5280
class AlgorithmIdentifier(rfc5280.AlgorithmIdentifier):
pass
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)