codekingpro/portable-devtools

1# This file is being contributed to pyasn1-modules software.2#3# Created by Russ Housley.4# Modified by Russ Housley to add maps for use with opentypes.5#6# Copyright (c) 2019, Vigil Security, LLC7# License: http://snmplabs.com/pyasn1/license.html8#9# Use of the Advanced Encryption Standard (AES) Encryption10#   Algorithm in the Cryptographic Message Syntax (CMS)11#12# ASN.1 source from:13# https://www.rfc-editor.org/rfc/rfc3565.txt14 15 16from pyasn1.type import constraint17from pyasn1.type import univ18 19from pyasn1_modules import rfc528020 21 22class AlgorithmIdentifier(rfc5280.AlgorithmIdentifier):23    pass24 25 26class AES_IV(univ.OctetString):27    pass28 29AES_IV.subtypeSpec = constraint.ValueSizeConstraint(16, 16)30 31 32id_aes128_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.2')33 34id_aes192_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.22')35 36id_aes256_CBC = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.42')37 38 39id_aes128_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.5')40 41id_aes192_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.25')42 43id_aes256_wrap = univ.ObjectIdentifier('2.16.840.1.101.3.4.1.45')44 45 46# Update the Algorithm Identifier map47 48_algorithmIdentifierMapUpdate = {49    id_aes128_CBC: AES_IV(),50    id_aes192_CBC: AES_IV(),51    id_aes256_CBC: AES_IV(),52    id_aes128_wrap: univ.Null(),53    id_aes192_wrap: univ.Null(),54    id_aes256_wrap: univ.Null(),55}56 57rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)58