diff options
Diffstat (limited to 'third_party/python/pyasn1_modules/pyasn1_modules/rfc3565.py')
| -rw-r--r-- | third_party/python/pyasn1_modules/pyasn1_modules/rfc3565.py | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/third_party/python/pyasn1_modules/pyasn1_modules/rfc3565.py b/third_party/python/pyasn1_modules/pyasn1_modules/rfc3565.py new file mode 100644 index 0000000000..ec75e23489 --- /dev/null +++ b/third_party/python/pyasn1_modules/pyasn1_modules/rfc3565.py @@ -0,0 +1,57 @@ +# 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 +# +# Use of the Advanced Encryption Standard (AES) Encryption +# Algorithm in the Cryptographic Message Syntax (CMS) +# +# ASN.1 source from: +# https://www.rfc-editor.org/rfc/rfc3565.txt + + +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) |